APACS+ I/O Module Configuration for Version 4.40 or Higher

Siemens
Energy & Automation, Inc.
Configuration Guide
CG39-24
Rev: 4
August 2002
APACS+™
I/O Module Configuration
for Version 4.40 or Higher
!Notes
CG39-24
Contents
Table of Contents
Section
Title
1.0
1.1
1.2
1.3
Introduction....................................................................................................................1-1
Product Description ......................................................................................................1-1
Product Support ............................................................................................................1-2
Related Literature .........................................................................................................1-4
2.0
2.1
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.2.9
2.2.10
Enhanced Analog Module (EAM) ................................................................................2-1
EAM Module Scope Parameter ....................................................................................2-1
EAM Channel Types ....................................................................................................2-1
EAM Analog In Current ........................................................................................2-2
EAM Analog Out Current......................................................................................2-3
EAM Analog In Voltage ........................................................................................2-4
EAM Voltage Pulse In-Freq...................................................................................2-5
EAM Current Pulse In-Freq ...................................................................................2-6
EAM Voltage Pulse In-Total .................................................................................2-7
EAM Current Pulse In-Total..................................................................................2-7
EAM Disc In Voltage ............................................................................................2-8
EAM Disc In Current.............................................................................................2-8
EAM Disc Out .......................................................................................................2-9
3.0
3.1
3.2
3.3
3.4
3.5
HART® Fieldbus Module (HFM) .................................................................................3-1
HFM Transmitter Connections .....................................................................................3-1
HFM I/O Configuration................................................................................................3-1
HFM Module Scope Parameters...................................................................................3-3
HFM Channel Types ....................................................................................................3-4
Parameter Details........................................................................................................3-10
4.0
4.1
4.2
4.2.1
Input Discrete Module (IDM) .......................................................................................4-1
IDM Module Scope Parameter .....................................................................................4-1
IDM Channel Types .....................................................................................................4-1
IDM Disc In ...........................................................................................................4-1
5.0
5.1
5.1.1
5.1.2
5.2
5.2.1
5.2.2
Isolated Discrete Input Modules (IDI) .........................................................................5-1
IDI_AC Description .....................................................................................................5-1
IDI_AC Module Scope Parameter .........................................................................5-1
IDI Discrete AC Input Channel Type ....................................................................5-2
IDI_DC Description .....................................................................................................5-2
IDI_DC Module Scope Parameter .........................................................................5-3
IDI Discrete DC Input Channel Type ....................................................................5-3
6.0
6.1
6.1.1
6.1.2
6.2
Isolated Discrete Output Modules (IDO).....................................................................6-1
IDO_AC Description....................................................................................................6-1
IDO_AC Module Scope Parameter........................................................................6-1
IDO Discrete AC Output Channel Type ................................................................6-1
IDO_DC Description....................................................................................................6-2
August 2002
Page
i
Contents
CG39-24
6.2.1
6.2.2
IDO_DC Module Scope Parameter........................................................................6-2
IDO Discrete DC Output Channel Type ................................................................6-3
7.0
7.1
7.2
7.2.1
Output Discrete Module (ODM)...................................................................................7-1
ODM Module Scope Parameter ...................................................................................7-1
ODM Channel Type .....................................................................................................7-1
ODM Disc Out .......................................................................................................7-1
8.0
8.1
8.2
8.2.1
Resistance Temperature Module (RTM).....................................................................8-1
RTM Module Scope Parameter ....................................................................................8-1
RTM Channel Types ....................................................................................................8-1
RTM RTD Input.....................................................................................................8-1
9.0
9.1
9.2
Standard Analog Input (SAI) Module .........................................................................9-1
SAI Module Scope Parameter ......................................................................................9-1
SAI Channel Type ........................................................................................................9-1
10.0
10.1
10.2
10.2.1
10.2.2
10.2.3
10.2.4
Standard Analog Module (SAM)................................................................................10-1
SAM Module Scope Parameter ..................................................................................10-1
SAM Channel Types ..................................................................................................10-1
SAM Analog In....................................................................................................10-1
SAM Analog Out .................................................................................................10-3
SAM Disc In ........................................................................................................10-5
SAM Disc Out......................................................................................................10-6
11.0
11.1
11.2
11.2.1
11.2.2
11.2.3
Standard Discrete Module (SDM)..............................................................................11-1
SDM Module Scope Parameter ..................................................................................11-1
SDM Channel Types ..................................................................................................11-1
SDM Disc In ........................................................................................................11-1
SDM Disc Out......................................................................................................11-2
SDM Disc Pulse Out ............................................................................................11-2
12.0
12.1
12.2
12.2.1
12.2.2
12.2.3
12.2.4
12.2.5
Standard Discrete Module Plus (SDM+) ...................................................................12-1
SDM+ Module Scope Parameter ................................................................................12-1
SDM+ Channel Types ................................................................................................12-1
SDM+ Disc In ......................................................................................................12-2
SDM+ Disc Out ...................................................................................................12-2
SDM+ Disc Pulse Out..........................................................................................12-3
SDM+ SOE Disc In..............................................................................................12-4
SDM+ SOE Disc Out...........................................................................................12-4
13.0
13.1
13.2
13.2.1
Voltage Input Module (VIM)......................................................................................13-1
VIM Module Scope Parameters..................................................................................13-1
VIM Channel Types ...................................................................................................13-1
VIM TIC - Thermocouple Input Channel ............................................................13-2
ii
August 2002
CG39-24
14.0
14.1
14.2
14.3
14.3.1
14.3.2
14.3.3
14.4
14.5
Contents
PROFIBUS Fieldbus Module (PFM) .........................................................................14-1
PFM Channel Types ...................................................................................................14-1
PFM Module Scope ....................................................................................................14-1
PFM I/O Channel Softlist Parameters ........................................................................14-2
BOOLEAN Input and Output Channels ..............................................................14-6
Packed Discrete Input and Output Channels........................................................14-6
Analog Input and Output......................................................................................14-7
Mapping Analog Channels to PROFIBUS Integer Data Types .................................14-8
Out of Range Errors....................................................................................................14-9
List of Tables
Table
Title
Page
Table 1–1 TIC Contact Information..........................................................................................................1-3
Table 2–1 EAM Module Scope Parameter ...............................................................................................2-1
Table 2–2 EAM Analog In Current Softlist Parameters ...........................................................................2-2
Table 2–3 EAM Analog Out Current Softlist Parameters ........................................................................2-3
Table 2–4 EAM Analog In Voltage Softlist Parameters...........................................................................2-4
Table 2–5 EAM Voltage Pulse In-Freq Softlist Parameters .....................................................................2-5
Table 2–6 EAM Current Pulse In-Freq Softlist Parameters......................................................................2-6
Table 2–7 EAM Voltage Pulse In-Total Softlist Parameter......................................................................2-7
Table 2–8 EAM Current Pulse In-Total Softlist Parameter ......................................................................2-8
Table 2–9 EAM Disc In Voltage Softlist Parameters ...............................................................................2-8
Table 2–10 EAM Disc Input Current Softlist Parameters ........................................................................2-8
Table 2–11 EAM Disc Output Softlist Parameters ...................................................................................2-9
Table 3–1
Table 3–2
Table 3–3
Table 3–4
Table 3–5
Table 3–6
Channel Default Fieldbus Number ..........................................................................................3-2
HFM Module Scope Softlist Parameters .................................................................................3-3
HFM Channel Types and Related Softlist Parameters.............................................................3-4
Standard Softlist Parameters ....................................................................................................3-6
Transmitter with Controller Softlist Parameters ......................................................................3-8
Model 348 FIELDPAC Softlist Parameters.............................................................................3-9
Table 4–1 IDM Module Scope Parameter ................................................................................................4-1
Table 4–2 IDM Disc In Softlist Parameter ...............................................................................................4-1
Table 5–1 IDI_AC Module Scope Parameter ...........................................................................................5-1
Table 5–2 Softlist Parameters for the IDI Discrete AC Input Channel Type ...........................................5-2
Table 5–3 IDI_DC Module Scope Parameter ...........................................................................................5-3
Table 6–1
Table 6–2
Table 6–3
Table 6–4
IDO_AC Module Scope Parameter..........................................................................................6-1
Softlist Parameters for the IDO Discrete AC Output Channel Type .......................................6-1
IDO_DC Module Scope Parameter..........................................................................................6-3
IDO Discrete DC Output Softlist Parameters ..........................................................................6-3
August 2002
iii
Contents
Table 7–1
Table 7–2
Table 8–1
Table 8–2
Table 8–3
CG39-24
ODM Module Scope Parameter
7-1
ODM Discrete Output Softlist Parameters...............................................................................7-1
RTM Module Scope Parameter ...............................................................................................8-1
RTM RTD Input Softlist Parameters .......................................................................................8-2
RTM Resistance Input Softlist Parameters ..............................................................................8-4
Table 9–1 XTC_CriticalXMTR Analog Input Current Range Definitions...............................................9-2
Table 10–1
Table 10–2
Table 10–3
Table 10–4
Table 10–5
SAM Module Scope Parameter ...........................................................................................10-1
SAM Analog In Softlist Parameters.....................................................................................10-2
SAM Analog Out Softlist Parameters..................................................................................10-4
SAM Discrete Input Softlist Parameters..............................................................................10-5
SAM Discrete Output Softlist Parameters ...........................................................................10-6
Table 11–1 SDM Module Scope Parameter ...........................................................................................11-1
Table 11–2 SDM Discrete Output Softlist Parameters ...........................................................................11-2
Table 11–3 SDM Discrete Output Softlist Parameters ...........................................................................11-3
Table 12–1
Table 12–2
Table 12–3
Table 12–4
Table 12–5
Table 12–6
SDM+ Module Scope Parameter .........................................................................................12-1
SDM+ Disc In Softlist Parameter ........................................................................................12-2
SDM+ Disc Out Softlist Parameters ....................................................................................12-2
SDM+ Disc Pulse Out Softlist Parameters ..........................................................................12-3
SDM+ SOE Disc In Softlist Parameters ..............................................................................12-4
SDM+ SOE Disc Out Softlist Parameters............................................................................12-5
Table 13–1 VIM Module Scope Parameters...........................................................................................13-1
Table 13–2 VIM Thermocouple Input Channel Softlist Parameters.......................................................13-2
Table 13–3 VIM Voltage Input Softlist Parameters ...............................................................................13-3
Table 14–1
Table 14–2
Table 14–3
Table 14–4
Table 14–5
Data to Channel Type Mapping ...........................................................................................14-1
ProfiDataType SoftList Parameters .....................................................................................14-5
BOOLEAN Input and Output Channels SoftList Parameters..............................................14-6
Packed Discrete Input and Output SoftList Parameters.......................................................14-6
Analog Input and Output SoftList Parameters .....................................................................14-8
List of Illustrations
Figure
Title
Page
Figure 10–1 Step Time Response of Digital Filter .................................................................................10-3
Figure 11–1 SDM Discrete Pulse Output Timing Diagram....................................................................11-3
Figure 12–1 SDM+ Discrete Pulse Output Timing Diagram..................................................................12-3
iv
August 2002
CG39-24
Figure 14–1
Figure 14–2
Figure 14–3
Figure 14–4
Figure 14–5
Figure 14–6
Contents
Byte_Offset for Typical Input and Output Block ...............................................................14-3
Byte_Offset for Typical Input String..................................................................................14-4
Using COM PROFIBUS to Determine Byte_Offset ..........................................................14-4
BitNumber in a Packet Discrete Data Type........................................................................14-5
Step Time Response of Digital Filter .................................................................................14-7
Out of Range Error and Hysteresis...................................................................................14-10
Significant Changes for Revision 4
Entire document updated for consistency with current Help Files.
Siemens Energy & Automation, Inc., assumes no liability for errors or omissions in this document or for the application and use of
information included in this document. The information herein is subject to change without notice.
Procedures included in this document have been reviewed for compliance with applicable approval agency requirements and are considered
sound practice. Neither Siemens Energy & Automation, Inc., nor these agencies are responsible for repairs made by the user.
ProcessSuite, QUADLOG, 4-mation, and APACS+ are trademarks of Siemens Energy & Automation, Inc. All other trademarks are the
property of their respective owners.
© 2002 Siemens Energy & Automation, Inc. All rights reserved.
August 2002
v
CG39-24
1.0
Introduction
Introduction
This Configuration Guide provides information on the configurable elements of the APACS+™ I/O
modules. This guide is intended to be used in conjunction with the configuration procedures located in
Using the ProcessSuite 4-mation Configuration Software (document number CG39-20).
Starting with section 2, each section in this guide presents the parameters and channel types of an
individual APACS+ I/O module, as follows:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1.1
Section 1, Introduction
Section 2, Enhanced Analog Module (EAM)
Section 3, Hart Fieldbus Module (HFM)
Section 4, Input Discrete Module (IDM)
Section 5, Isolated Discrete Input Module (IDI)
Section 6, Isolated Discrete Output Module (IDO)
Section 7, Output Discrete Module (ODM)
Section 8, Resistance Temperature Module (RTM)
Section 9, Standard Analog Input (SAI) Module
Section 10, Standard Analog Module (SAM)
Section 11, Standard Discrete Module (SDM)
Section 12, Standard Discrete Module (SDM+)
Section 13, Voltage Input Module (VIM)
Section 14, PROFIBUS Fieldbus Module
Product Description
APACS+ incorporates a modular design for flexible control of plant operations. The APACS+ modules
are rack-mounted, DIN-sized intelligent (microprocessor-based) modules designed to perform a specific
application function, such as control, communications, or I/O. They are selected individually and
combined to accommodate a process application. Each APACS+ system typically consists of a power
supply module, a computer module, a control module, and a complement of I/O modules.
Connection between the individual APACS+ modules is provided by three busses:
•
MODULBUS
Used by control, communications, and computer modules to share
process and system information.
•
IOBUS
Provides a control module with dedicated, secure access to field I/O
points which terminate at I/O modules.
•
POWER BUS
A triple-redundant bus providing power to APACS+ modules.
The APACS+ I/O modules are a series of configurable modules acting as interfaces between control
modules and field termination signals, offering a broad range of analog, discrete, and special condition
I/O points.
August 2002
1-1
Introduction
CG39-24
All APACS+ I/O modules are configured using 4-mation™ software. During configuration, 4-mation is
used to define the channel type and several parameters which vary according to channel type. After a
configuration is created, it is loaded into the I/O module’s memory, and a copy of the configuration is
stored in the control module’s non-volatile memory. This allows on-line removal and replacement of the
module without the need for reconfiguration.
1.2
Product Support
Product support can be obtained from a Technical Information Center (TIC). Each regional TIC is a
customer service center that provides direct telephone support on technical issues related to the
functionality, application, and integration of all products supplied by Siemens regional TIC contact
information is provided in Table 1–1. Your regional TIC is the first place you should call when seeking
product support information. When calling, it is helpful to have the following information ready:
•
Caller name and company name
•
Product part number or model number and version
•
If there is a problem with product operation:
- Whether the problem is intermittent
- The steps performed before the problem occurred
- Any error messages or LED indications displayed
- Installation environment
Customers that have a service agreement (ServiceSuite or Field Service Agreement) are granted access to
the secure area of our Web site (http://www.smpa.siemens.com/TechServices/TechLibrary.asp). This area
contains a variety of product support information. To log on, you will be prompted to enter your
username and password.
1-2
August 2002
CG39-24
Introduction
Table 1–1 TIC Contact Information
TIC
NORTH AMERICA
Tel:
+1 215 646 7400, extension 4842
Fax:
+1 215 283 6343
E-mail:
Hours of Operation:
Secure Web Site:
TIC
ASIA
8 a.m. to 5 p.m. eastern time
Monday – Friday (except holidays)
www.smpa.siemens.com/techservices
Tel:
+65 299 6051
Fax:
+65 299 6053
E-mail:
Hours of Operation:
Secure Web Site:
TIC
EUROPE
[email protected]
[email protected]
9 a.m. to 6 p.m. Singapore time
Monday – Friday (except holidays)
www.smpa.siemens.com/techservices
Tel:
+44 1935 470172
Fax:
+44 1935 706969
E-mail:
[email protected]
Hours of Operation:
8:30 a.m. to 5:15 p.m. GMT/BST
Monday – Thursday
(except holidays)
8:30 a.m. to 4:00 p.m. GMT/BST
Friday (except holidays)
Secure Web Site:
August 2002
www.smpa.siemens.com/techservices
1-3
Introduction
1.3
CG39-24
Related Literature
The following literature is available from Siemens. Generally, all needed documentation is supplied on a
CD-ROM supplied with your system. Refer to it as needed or as directed in text.
•
Getting Started with APACS+ 4-mation Configuration Software (document number SG39-12)
•
Using the APACS+ 4-mation Configuration Software (document number CG39-20)
•
APACS+ Control Simulator (document number CG39CTRLSIM-1)
•
APACS+ 4-mation Configuration Software Messages and Diagnostic Codes (document number
CG39-21)
•
APACS+ Module Diagnostic Error Codes (document number CG39-19)
"
1-4
August 2002
CG39-24
2.0
Enhanced Analog Module (EAM)
Enhanced Analog Module (EAM)
The Enhanced Analog Module (EAM) can interface both analog and discrete I/O signals to the control
module’s IOBUS. Each of its 16 configurable channels can be configured as an analog input, analog
output, frequency input, totalizer input, discrete input, or discrete output. Related signals, such as the I/O
for a particular loop, can be grouped together to permit isolation and ease in responding to faults. Each
channel is electrically isolated from the module’s CPU, IOBUS, and ground, as well as from every other
channel.
2.1
EAM Module Scope Parameter
Table 2-1 shows the Module Scope softlist parameter for the EAM.
Table 2–1 EAM Module Scope Parameter
PARAMETER
ScanRate
SELECTION
N/A
DEFAULT
N/A
To view/edit the module scope parameters, place the cursor on the desired module in the module tree and
select the Edit, Object/Item menu item. The Hardware Modules dialog box opens. Choose the “Softlist”
command button. The Module Scope Softlist dialog box opens.
ScanRate: This is a read-only parameter that displays the current scan period of the module. In general,
the scan rate is the same as the scan period of the ACM, but may be an integer multiple of the ACM’s
scan period.
2.2
EAM Channel Types
The following channel types are supported for the EAM module:
•
•
•
•
•
•
•
•
•
•
EAM Analog In Current
EAM Analog Out Current
EAM Analog In Voltage
EAM Voltage Pulse In-Freq
EAM Current Pulse In-Freq
EAM Voltage Pulse In-Total
EAM Current Pulse In-Total
EAM Disc In Voltage
EAM Disc In Current
EAM Disc Out Channel
August 2002
2-1
Enhanced Analog Module (EAM)
2.2.1
CG39-24
EAM Analog In Current
The EAM Analog In Current channel type returns a REAL variable.
Table 2-2 shows the softlist parameters for the EAM Analog Input Current channel type.
Table 2–2 EAM Analog In Current Softlist Parameters
PARAMETER
InputRange
Resolution
MinScale
MaxScale
EngUnits
SELECTION
4-20 mA, 0-20 mA
13, 14, 15, and 16 bits
Any Real Number
Any Real Number
in, ft, mm, cm, m, in3, ft3, bbl, ml, liter, m3, lb, ton, mol, g, kg, ft/sec,
m/sec,ft/sec2, msec2, DegF, DegR, DegC, DegK, psi, psia, psig, InH2O,
InHg, ATM, kPa, kPaa, kPag, mmHg, kg/cm2, mbar, bar, lb/ft3, g/cm3,
kg/m3, mol/m3, ft3/lb, m3/kg, ppm, pH, PPH, KPPH, t/day, kg/hr, kg/day,
gal/min, GPM, GPH, GPD, ACFM, ACFH, SCCM, SCFH, SCFM, MCFH,
yd3/hr, yd3/day, BPD, gal/hr, gal/day, m3/hr, m3/day, l/min, l/hr, l/day, mV,
Volts, mA, AMPS, Ohms, mhos, W, kW, MW, Btu, Btu/SCF, Btu/lbm,
Btu/hr, hp, bhp, vars, VA, kVA, joules, Percent, pulses, Hz, rpm, deg, rad,
cal/SCF, cal/hr, cal/lbm, kcal, kcal/SCF, kcal/hr, kcal/lbm
DEFAULT
4-20 mA
13 bits
0.0
100.0
Percent
InputRange: EAM Analog Input channels are configurable to operate with two current ranges: 4-20 mA
or 0-20 mA.
Resolution: The EAM employs sigma-delta method of analog-to-digital conversion. Both the resolution
of a sigma-delta converter and normal mode rejection are improved by increasing the filtering amount.
The degree of filtering appropriate for the selected resolution is applied to the signal within the EAM,
before the signal is scanned by the ACM.
MinScale: The module linearly scales raw data (mA) to engineering units for each channel. The scaling
algorithm uses the MinScale/MaxScale and InputRange parameters set by the user. For example, given a
MinScale of 0.0, a MaxScale of 100.0, and an InputRange of 4-20 mA, if the input to the channel is 12
mA, the scaled value is 50.0 mA.
MinScale can be any real (REAL) number (Real numbers are valid between -3.4028E38 and
+3.4028E38.).
MaxScale: MaxScale can be any real (REAL) number.
EngUnits: Engineering units for the scaled value can be selected from a list of common engineering
units.
2-2
August 2002
CG39-24
2.2.2
Enhanced Analog Module (EAM)
EAM Analog Out Current
The EAM Analog Out Current channel type accepts a REAL variable.
Table 2-3 lists the softlist parameters for the EAM Analog Output Current channel type.
Table 2–3 EAM Analog Out Current Softlist Parameters
PARAMETER
OutputRange
MinScale
MaxScale
EngUnits
IOBUSFault
PresetValue
FailSafe
SELECTION
4-20 mA, 0-20 mA
Any Real Number
Any Real Number
in, ft, mm, cm, m, in3, ft3, bbl, ml, liter, m3, lb, ton, mol, g, kg, ft/sec,
m/sec,ft/sec2, msec2, DegF, DegR, DegC, DegK, psi, psia, psig, InH2O,
InHg, ATM, kPa, kPaa, kPag, mmHg, kg/cm2, mbar, bar, lb/ft3, g/cm3,
kg/m3, mol/m3, ft3/lb, m3/kg, ppm, pH, PPH, KPPH, t/day, kg/hr, kg/day,
gal/min, GPM, GPH, GPD, ACFM, ACFH, SCCM, SCFH, SCFM, MCFH,
yd3/hr, yd3/day, BPD, gal/hr, gal/day, m3/hr, m3/day, l/min, l/hr, l/day,
mV, Volts, mA, AMPS, Ohms, mhos, W, kW, MW, Btu, Btu/SCF,
Btu/lbm, Btu/hr, hp, bhp, vars, VA, kVA, joules, Percent, pulses, Hz, rpm,
deg, rad, cal, cal/SCF, cal/hr, cal/lbm, kcal, kcal/SCF, kcal/hr, kcal/lbm
OFF, HOLD LAST STATE, PRESET VALUE
0.0 to 100.0 %
ENABLED, DISABLED
DEFAULT
4-20 mA
0.0
100.0
Percent
OFF
0.0
DISABLED
OutputRange: EAM Analog Output Current channels are configurable to operate with two current
ranges: 4-20 mA or 0-20 mA.
MinScale: The module performs a linear conversion from engineering units to the selected OuputRange
for each channel. The scaling algorithm uses the MinScale/MaxScale and OutputRange parameters set by
the user. For example, given a MinScale of 0.0, a MaxScale of 100.0, and an OutputRange of 4-20 mA, if
the value written to the EAM Analog Output Channel is 50, the module will output 12 mA.
MinScale can be any real (REAL) number (Real numbers are valid between -3.4028E38 and
+3.4028E38.).
MaxScale: MaxScale can be any real number.
EngUnits: Engineering units for the scaled value can be selected from a list of common engineering
units.
IOBUSFault: Each analog output can be configured to respond to an IOBUS fault (loss of
communications with the controller) in a particular manner. The available fault states are:
OFF
HOLD_LAST_STATE
PRESET_VALUE
August 2002
Output is turned off (0 mA).
Output holds its last value.
Output goes to the value specified by the PresetValue parameter.
2-3
Enhanced Analog Module (EAM)
CG39-24
NOTE
All channels power up in the OFFstate.
PresetValue: Any real (REAL) number between 0.0 and 100.0. This parameter need only be specified
when IOBUSFault is specified as “Preset_Value.”
FailSafe: If FailSafe is enabled and an error condition exists for which the channel cannot be turned off
individually, then all channels of the module are powered down. The user may wish to configure an
output as Failsafe that is critical to the process or that may present a hazard to personnel or equipment.
2.2.3
EAM Analog In Voltage
The EAM Analog In Voltage channel type returns a REAL variable.
Table 2-4 lists the softlist parameters for the EAM Analog Input Voltage channel type.
Table 2–4 EAM Analog In Voltage Softlist Parameters
PARAMETER
InputRange
Resolution
MinScale
MaxScale
EngUnits
SELECTION
1-5 V, 0-5 V
13, 14, 15, and 16 bits
Any Real Number
Any Real Number
In, ft, mm, cm, m, in3, ft3, bbl, ml, liter, m3, lb, ton, mol, g, kg, ft/sec,
m/sec,ft/sec2, msec2, DegF, DegR, DegC, DegK, psi, psia, psig, InH2O,
InHg, ATM, kPa, kPaa, kPag, mmHg, kg/cm2, mbar, bar, lb/ft3, g/cm3,
kg/m3, mol/m3, ft3/lb, m3/kg, ppm, pH, PPH, KPPH, t/day, kg/hr, kg/day,
gal/min, GPM, GPH, GPD, ACFM, ACFH, SCCM, SCFH, SCFM,
MCFH, yd3/hr, yd3/day, BPD, gal/hr, gal/day, m3/hr, m3/day, l/min, l/hr,
l/day, mV, Volts, mA, AMPS, Ohms, mhos, W, kW, MW, Btu, Btu/SCF,
Btu/lbm, Btu/hr, hp, bhp, vars, VA, kVA, joules, Percent, pulses, Hz, rpm,
deg, rad, cal, cal/SCF, cal/hr, cal/lbm, kcal, kcal/SCF, kcal/hr, kcal/lbm
DEFAULT
1-5 V
13 bits
0.0
100.0
Percent
InputRange: EAM Analog In Voltage channels are configurable to operate with two voltage ranges, 1-5
V or 0-5 V.
Resolution: The EAM employs sigma-delta method of analog-to-digital conversion. The resolution of a
sigma-delta converter and normal mode rejection are improved by increasing the amount of filtering. The
degree of filtering, appropriate for the selected resolution, is applied to the signal within the EAM, before
the signal is scanned by the ACM.
MinScale: The module will linearly scale raw data (volts) to engineering units for each channel. The
scaling algorithm uses the MinScale/MaxScale and InputRange parameters set by the user. For example,
given a MinScale of 0.0, a MaxScale of 100.0, and an InputRange of 1-5 Volts, if the input to the channel
is 3 Volts, the scaled value will be 50.0.
2-4
August 2002
CG39-24
Enhanced Analog Module (EAM)
MinScale can be any real (REAL) number. (Real numbers are valid between -3.4028E38 and
+3.4028E38).
MaxScale: MaxScale can be any real number.
EngUnits: Engineering units for the scaled value can be selected from a list of common engineering
units.
2.2.4
EAM Voltage Pulse In-Freq
The Voltage Pulse In-Freq channel type returns a REAL variable.
Table 2-5 shows the softlist parameters for the Voltage Pulse Input-Frequency channel type.
Table 2–5 EAM Voltage Pulse In-Freq Softlist Parameters
PARAMETER
Threshold
MinRange
MaxRange
MinScale
MaxScale
EngUnits
Resolution
SELECTION
Regular, TTL
0.0 to 45,000 Hz
0.0 to 45,000 Hz
Any Real Number
Any Real Number
In, ft, mm, cm, m, in3, ft3, bbl, ml, liter, m3, lb, ton, mol, g, kg, ft/sec,
m/sec,ft/sec2, msec2, DegF, DegR, DegC, DegK, psi, psia, psig, InH2O,
InHg, ATM, kPa, kPaa, kPag, mmHg, kg/cm2, mbar, bar, lb/ft3, g/cm3,
kg/m3, mol/m3, ft3/lb, m3/kg, ppm, pH, PPH, KPPH, t/day, kg/hr, kg/day,
gal/min, GPM, GPH, GPD, ACFM, ACFH, SCCM, SCFH, SCFM, MCFH,
yd3/hr, yd3/day, BPD, gal/hr, gal/day, m3/hr, m3/day, l/min, l/hr, l/day,
mV, Volts, mA, AMPS, Ohms, mhos, W, kW, MW, Btu, Btu/SCF,
Btu/lbm, Btu/hr, hp, bhp, vars, VA, kVA, joules, Percent, pulses, Hz, rpm,
deg, rad, cal, cal/SCF, cal/hr, cal/lbm, kcal, kcal/SCF, kcal/hr, kcal/lbm
10, 12, 14, 16 bit
DEFAULT
Regular
0.0
45,000.0
0.0
45,000.0
Hz
12 bit
Threshold: The user can select the threshold for voltage input pulses. The regular threshold is 2.5 V
with 130 mV of hysteresis. The TTL threshold is 1.4 V with 130 mV of hysteresis.
MinRange: The MinRange parameter allows the user to specify a minimum operating value in Hz. If
the reading drops below this value, an underrange error is reported.
MaxRange: The MaxRange parameter allows the user to specify a maximum operating value in Hz. If
the reading goes above this value, an overrange error is reported.
MinScale: The module linearly scales raw data (Hz) to engineering units for each channel. The scaling
algorithm uses the MinScale/MaxScale and MinRange/MaxRange parameters set by the user. For
example, given a MinScale of 0.0, a MaxScale of 100.0, a MinRange of 0 and a MaxRange of 10,000, if
the input to the channel is 5,000 Hz, the scaled value is 50.0 Hz.
August 2002
2-5
Enhanced Analog Module (EAM)
CG39-24
MinScale can be any real number (Real numbers are valid between -3.4028E38 and +3.4028E38.).
MaxScale: MaxScale can be any real number.
EngUnits: Engineering units for the scaled value can be selected from a list of common engineering
units.
Resolution: The EAM counts the number of pulses occurring in a measured length of time. The
frequency of the waveform is calculated by dividing the number of pulses by the corresponding length of
time. Increasing the resolution increases the length of time in which pulses are accumulated.
To meet certain application requirements, the selection of 10-bit resolution actually yields 11-bit
resolution. This provides better than 0.06% accuracy, with a minimal delay.
2.2.5
EAM Current Pulse In-Freq
The Current Pulse In-Freq channel type returns a REAL variable.
Table 2-6 lists the softlist parameters for the Current Pulse Input-Frequency channel type.
Table 2–6 EAM Current Pulse In-Freq Softlist Parameters
PARAMETER
InputRange
MinRange
MaxRange
MinScale
MaxScale
EngUnits
Resolution
SELECTION
4-20 mA, 0-20 mA
0.0 to 45,000 Hz
0.0 to 45,000 Hz
Any Real Number
Any Real Number
in, ft, mm, cm, m, in3, ft3, bbl, ml, liter, m3, lb, ton, mol, g, kg, ft/sec,
m/sec,ft/sec2, msec2, DegF, DegR, DegC, DegK, psi, psia, psig, InH2O,
InHg, ATM, kPa, kPaa, kPag, mmHg, kg/cm2, mbar, bar, lb/ft3, g/cm3,
kg/m3, mol/m3, ft3/lb, m3/kg, ppm, pH, PPH, KPPH, t/day, kg/hr, kg/day,
gal/min, GPM, GPH, GPD, ACFM, ACFH, SCCM, SCFH, SCFM, MCFH,
yd3/hr, yd3/day, BPD, gal/hr, gal/day, m3/hr, m3/day, l/min, l/hr, l/day,
mV, Volts, mA, AMPS, Ohms, mhos, W, kW, MW, Btu, Btu/SCF,
Btu/lbm, Btu/hr, hp, bhp, vars, VA, kVA, joules, Percent, pulses, Hz, rpm,
deg, rad, cal, cal/SCF, cal/hr, cal/lbm, kcal, kcal/SCF, kcal/hr, kcal/lbm
10, 12, 14, 16 bit
DEFAULT
0-20 mA
0.0
45,000.0
0.0
45,000.0
Hz
12 bit
InputRange: Current Pulse In-Freq channels are configurable to operate with two current ranges, 4-20
mA or 0-20 mA. The threshold for both ranges is fixed at 10 mA, with a hysteresis of 0.5 mA.
MinRange: The MinRange parameter allows the user to specify a minimum operating value in Hz. If
the reading drops below this value, an underrange error is reported.
MaxRange: The MaxRange parameter allows the user to specify a maximum operating value in Hz. If
the reading goes above this value, an overrange error is reported.
2-6
August 2002
CG39-24
Enhanced Analog Module (EAM)
MinScale: The module linearly scales raw data (Hz) to engineering units for each channel. The scaling
algorithm uses the MinScale/MaxScale and MinRange/MaxRange parameters set by the user. For
example, given a MinScale of 0.0, a MaxScale of 100.0, a MinRange of 0, a MaxRange of 10,000, and if
the input to the channel is 5,000 Hz, the scaled value is 50.0 Hz.
MinScale can be any real number (Real numbers are valid between -3.4028E38 and +3.4028E38.).
MaxScale: MaxScale can be any real number.
Units: Engineering units for the scaled value can be selected from a list of common engineering units.
Resolution: The EAM counts the number of pulses occurring in a measured length of time. The
frequency of the waveform is calculated by dividing the number of pulses by the corresponding time.
Increasing the resolution increases the length of time in which pulses are accumulated.
To meet certain application requirements, the selection of 10-bit resolution actually yields 11-bit
resolution. This provides better than 0.06% accuracy with a minimal delay.
2.2.6
EAM Voltage Pulse In-Total
The EAM Voltage Pulse In-Total channel type returns a UDINT variable.
The EAM Voltage Pulse In-Total channel type must be used with the EAM_TOT function block. For
more information on this function block, refer to APACS+ ACM Standard Function Blocks Version 4.40
or Higher Configuration Guide (document number CG39-22).
Table 2-7 shows the softlist parameter for the EAM Voltage Pulse Input-Total channel type.
Table 2–7 EAM Voltage Pulse In-Total Softlist Parameter
PARAMETER
Threshold
SELECTION
Regular, TTL
DEFAULT
Regular
Threshold: The user can select the threshold for voltage input pulses. The Regular threshold is 2.5 V,
with 130 mV of hysteresis. The TTL threshold is 1.4 V, with 130 mV of hystersis.
2.2.7
EAM Current Pulse In-Total
The Current Pulse In-Total channel type returns a UDINT variable.
The Current Pulse In-Total channel type must be used with the EAM_TOT function block.
August 2002
2-7
Enhanced Analog Module (EAM)
CG39-24
Table 2-8 shows the softlist parameter for the EAM Current Pulse In-Total:
Table 2–8 EAM Current Pulse In-Total Softlist Parameter
PARAMETER
InputRange
SELECTION
DEFAULT
4-20 mA, 0-20 mA 0-20 mA
InputRange: Current Pulse In-Total channels are configurable to operate with two current ranges, 4-20
mA or 0-20 mA. The threshold for both ranges is fixed at 10 mA, with a hysteresis of 0.5 mA.
NOTE
Selecting 0-20 mA disables “open-input” diagnostic errors.
2.2.8
EAM Disc In Voltage
The EAM Disc In Voltage channel type returns a BOOL variable.
Table 2-9 shows the softlist parameters for the EAM Discrete Input Voltage channel type.
Table 2–9 EAM Disc In Voltage Softlist Parameters
PARAMETER
MinOnStatePct
MaxOffStatePct
SELECTION
0.0 to 100
0.0 to 100
DEFAULT
80.0
20.0
MinOnStatePct: The reading is automatically scaled from 0-5 V to 0-100%. A scaled reading greater
than or equal to MinOnStatePct will report a boolean TRUE to the controller.
MaxOffStatePct: The reading is automatically scaled from 0-5 V to 0-100%. A reading less than or
equal to MaxOffStatePct will report a boolean FALSE to the controller.
2.2.9
EAM Disc In Current
The EAM Disc In Current channel type returns a BOOL variable.
Table 2-10 shows the softlist parameters for the EAM Discrete Input Current channel type.
Table 2–10 EAM Disc Input Current Softlist Parameters
PARAMETER
MinOnStatePct
MaxOffStatePct
2-8
SELECTION
0.0 to 100
0.0 to 100
DEFAULT
80.0
20.0
August 2002
CG39-24
Enhanced Analog Module (EAM)
MinOnStatePct: The reading is automatically scaled from 0-20 mA to 0-100%. A scaled reading
greater than or equal to MinOnStatePct reports a boolean TRUE to the control module.
MaxOffStatePct: The reading is automatically scaled from 0-20 mA to 0-100%. A reading less than or
equal to MaxOffStatePct reports a boolean FALSE to the control module.
2.2.10 EAM Disc Out
The EAM Disc Out Channel type accepts a BOOL variable.
Table 2-11 shows the softlist parameters for the EAM Disc Output channel type.
Table 2–11 EAM Disc Output Softlist Parameters
PARAMETER
IOBUSFault
FailSafe
SELECTION
OFF, ON, HOLD_LAST_STATE
ENABLED, DISABLED
DEFAULT
OFF
DISABLED
IOBUSFault: Each EAM Disc Output channel can be configured to respond to an IOBUS fault (loss of
communications with the controller) in a particular manner. The available fault states are:
OFF
ON
HOLD_LAST_STATE
Output is turned off.
Output is turned on.
Output holds its last value.
NOTE
All channels power up in the OFF state.
FailSafe: If FailSafe is enabled and an error condition exists for which the channel cannot be turned off
individually, then all channels of the module are powered down. The user may wish to configure an
output as FailSafe that is critical to the process or that may present a hazard to personnel or equipment.
"
August 2002
2-9
CG39-24
3.0
HART® Fieldbus Module (HFM)
HART® Fieldbus Module (HFM)
The HART® Fieldbus Module (HFM) is an I/O module that integrates smart transmitters with the
APACS+ system. Smart transmitters that incorporate the HART protocol, such as the Siemens XTC and
Rosemount products, are supported. The HFM provides analog input and digital (HART) communication
with the transmitter. For most transmitters, the HFM can completely configure the parameters in the
transmitter. Configuration is performed by editing the softlist for each channel. The HFM can also
connect to a non-smart transmitter that simply uses a 4 to 20 mA signal.
3.1
HFM Transmitter Connections
The HFM has 16 "fieldbuses" to which transmitters are wired. A fieldbus consists of a set of four screw
terminals, PWR, VIN, COM and SHLD. The fieldbus number is silkscreened on the HFM termination
strip (16112-21) or marshalled termination assembly (16191-1). Refer to the service instructions
(document number SD39HFM) on the HFM for wiring and power supply information. Note that the
HFM has an on-board power supply that can output up to 360 mA to power transmitters (a total of 90
transmitters can be powered with 360 mA). An external power supply (28VDC) can be connected to the
termination strip for backup or additional power.
Transmitters can be connected to an HFM in single-drop or multi-drop mode. Note that any mix of singledrop and multi-drop fieldbuses is permitted on a single HFM. In single-drop mode, one transmitter is
wired to a fieldbus, and the HFM provides a fast update of the analog value from the transmitter.
Transmitters that are providing a process variable for use in control algorithms in an ACM are typically
connected in single-drop mode. The poll address of the transmitter should be set to 0 during single-drop
mode. For a normal transmitter, a poll address of 0 causes the analog current to respond proportionally to
the primary variable. However, for an XTC with controller enabled, the analog current corresponds to the
valve signal, which typically drives an I/P transducer or valve positioner.
In multi-drop mode, up to eight transmitters can be wired to a single fieldbus. Each transmitter must be
assigned a unique poll address from 1 to 15, which will park each transmitter's current to 4 mA. XTC
transmitters with the controller enabled should not be connected in multi-drop mode. Note that although
the HART specification indicates that 15 transmitters can be wired on a single fieldbus, we have chosen
the limit to be eight in order to provide reasonable HART communication updates.
To summarize the capacities, 16 HART transmitters (one per fieldbus) can be connected to a HFM in
single-drop mode. XTC transmitters with controller enabled must be connected in single-drop mode, and
therefore up to 16 can be connected to one HFM. A maximum of 90 HART transmitters with up to eight
per fieldbus can be connected to a HFM in multi-drop mode without an external supply or up to 128
HART transmitters with an external supply.
3.2
HFM I/O Configuration
Similar to other APACS+ I/O modules, each field device (transmitter) is assigned a channel number in the
I/O channel table. Along with the channel number, the user identifies the channel type, which in this case
selects what type of transmitter will be connected. The channel types are listed in section 3.4. The user
can also enter a TagName that will become the global variable name for that I/O channel in the APACS+
August 2002
3-1
HART® Fieldbus Module (HFM)
CG39-24
system. (The default tagname is the physical address, RxxSxxCxxx). This value is updated every scan of
the IOBUS. An I/O global TagName is delimited by the preceding percent symbol (%).
Note that the specific transmitter value that corresponds to the global TagName depends on the chosen
channel type. For example, if the channel type is Siemens XTC w/Controller, then the global TagName
corresponds to the digitally-read ProcessVariable. If the channel type is Generic XMTR SingleDrop, then
the global TagName is the analog current signal that corresponds to the primary variable.
Each transmitter or channel number has a softlist with additional parameters to configure and view. It is
important to configure the Fieldbus_Number parameter properly because this identifies the physical set of
screws to which a transmitter is wired. Since it is possible to have multiple transmitters wired on a
Fieldbus, several channel numbers may have the same Fieldbus_Number. However, the channel number,
from 1 to 128, is always unique for each device. Each channel has a default Fieldbus. Table 3-1 shows
the default Fieldbus_Number for each channel.
Table 3–1 Channel Default Fieldbus Number
FIELDBUS
NUMBER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
3-2
CHANNELS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
August 2002
CG39-24
3.3
HART® Fieldbus Module (HFM)
HFM Module Scope Parameters
Table 3-2 lists the Module Scope softlist parameters for the HFM.
Table 3–2 HFM Module Scope Softlist Parameters
PARAMETER
ScanRate
FB_01_Timeout
FB_01_Preambles
FB_02_Timeout
FB_02_Preambles
FB_03_Timeout
FB_03_Preambles
FB_04_Timeout
FB_04_Preambles
FB_05_Timeout
FB_05_Preambles
FB_06_Timeout
FB_06_Preambles
FB_07_Timeout
FB_07_Preambles
FB_08_Timeout
FB_08_Preambles
FB_09_Timeout
FB_09_Preambles
FB_10_Timeout
FB_10_Preambles
FB_11_Timeout
FB_11 Preambles
FB_12_Timeout
FB_12_Preambles
FB_13_Timeout
FB_13_Preambles
FB_14_Timeout
FB_14_Preambles
FB_15_Timeout
FB_15_Preambles
FB_16_Timeout
FB_16_Preambles
SELECTION
T#100ms
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
256-10,000
5-40
DEFAULT
T#100ms
256
5
256
5
256
5
256
5
256
5
256
5
256
5
256
5
256
5
256
5
256
5
256
5
256
5
256
5
256
5
256
5
To view/edit the Module Scope parameters, place the cursor on the desired Module in the module tree and
select the Edit, Object/Item menu item. The Hardware Modules dialog box opens. Choose the Softlist
command button. The Module Scope Softlist dialog box opens.
ScanRate: The effective scan rate of the HFM analog Inputs and collection of scan data can be changed.
If the HFM cannot scan at the ACM rate, the HFM will bump up its scan rate by the ACM rate until the
scan rate is managed by the HFM.
August 2002
3-3
HART® Fieldbus Module (HFM)
FB_01_Timeout
thru
FB_16_Timeout
CG39-24
Each Fieldbus Timeout parameter determines the amount of time a Fieldbus will
wait before reporting that the command sent did not receive a response. The time
unit is milliseconds and the allowable range of values is 256 to 10,000.
FB_01_Preambles Each Fieldbus Preamble parameter determines the number of hexadecimal "F"
characters prefixed to the HART command. These characters give HART devices a
Thru
FB_16_Preambles warning that a command is coming. The allowable range of values is 5 to 40.
3.4
HFM Channel Types
This section describes the channel types and softlist parameters for the HFM and includes Table 3-3,
HFM Channel Types and Related Softlist Parameters.
Each channel type in the HFM has many of the same parameters. Because of the large number of HFM
parameters, a “shorthand” list of the parameters, with those that apply to each channel type indicated, is
provided in Table 3-3. This section also provides other tables listing all of the HFM softlist parameters
for transmitters and those for the Model 348 FieldPac.
Table 3–3 HFM Channel Types and Related Softlist Parameters
CHANNEL TYPE
Siemens XTC SingleDrop
Siemens XTC w/Controller
Siemens XTC MultiDrop
Generic XMTR SingleDrop
Generic XMTR MultiDrop
Analog Only
Siemens 348 FieldPac
3-4
SOFTLIST PARAMETER
All but parameters 60-88
All but parameters 51,52,54,55
All but parameters 51,52,54,55 from
standard list.
All but parameters 18,19,24-26,38,4446 from standard list.
All but parameters 18,19,24-26,38,4446,51, 52,54,55 from standard list.
Only parameters 51-55 from standard
list.
All but parameters 18,19,24-26,38,4446,51, 58 from standard list, plus those
in FIELDPAC specific list.
GLOBAL VALUE
Analog-read process variable
HART-read process variable
HART-read process variable
Analog-read primary variable
HART-read primary variable
Analog-read current input
HART-Read Process Variable
August 2002
CG39-24
HART® Fieldbus Module (HFM)
The complete list of softlist parameters is shown in the following tables. The transmitter softlist
parameters (parameter numbers 1 through 59), shown in the standard table, are standard for each channel
type. Softlist parameters 56-58 were intentionally omitted. Each channel type that requires parameters
beyond the standard list will begin these parameters at parameter number 60. These additional parameters
are shown in additional lists. The parameter numbers shown here will not appear in the 4-mation softlist,
however, they are significant. These parameter numbers appear in Siemens internal diagnostic software
that can be used during staging to help find configuration problems.
Depending on the channel type, the HFM will provide the indicated global value as part of the IOBUS
scan update. Scaling of the global value is accomplished by the softlist parameters, as noted below,
depending on the channel type.
Siemens XTC
SingleDrop
PV_Range_Lo and _Hi scale the process variable. MinScale and
MaxScale parameters are automatically set equal to PV_Range
_Lo and PV_Range_Hi respectively.
Siemens XTC
w/Controller
PV_Range_Lo and _Hi scale the process variable. MinScale and
MaxScale parameters are not provided.
Siemens XTC
MultiDrop
PV_Range_Lo and _Hi scale the process variable. MinScale and
MaxScale parameters are not provided.
Generic XMTR
SingleDrop
PV_Range_Lo and _Hi scale the process variable. MinScale and
MaxScale parameters are automatically set equal to PV_Range
_Lo and PV_Range_Hi respectively.
Generic XMTR
MultiDrop
PV_Range_Lo and _Hi scale the percent-of-range value read
from the transmitter to calculate the process variable.
Analog Only
MinScale and MaxScale parameters scale the analog current
input.
Siemens 348
FIELDPAC
PV_Range_Lo and _Hi scale the process variable.
The channel type assigned must be the correct type for the device. If the assigned channel type does not
match the actual device connected, the Generic HART device type will be used.
August 2002
3-5
HART® Fieldbus Module (HFM)
CG39-24
Table 3-4 lists the standard softlist parameters for all channel types.
Table 3–4 Standard Softlist Parameters
TRANSMITTER
NUMBER
PARAMETER
1
Fieldbus_Number
2
Poll_Address
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Transmitter_Tag
OverwriteXmtrCfg
Descriptor
Message_Part_A
Message_Part_B
Date_Month
Date_Day
Date_Year
DeviceSerialNum
MeasuredVariable
MV_Units
MV_Range_Lo
MV_Range_Hi
Damping
TransferFunction
InputType
19
20
21
22
23
24
25
BurnoutDirection
ProcessVariable
PV_Units
PV_Range_Lo
PV_Range_Hi
AutoRerange
LocalDisplayCode
26
27
28
29
30
31
32
33
34
35
36
FailsafeLevel
Current
PercentOfRange
Manuf_ID_Code
DeviceTypeCode
DeviceID_Number
SensorSerialNum
SensorLimitUnits
LowerSensorLimit
UpperSensorLimit
Minimum_Span
3-6
SELECTION
1-16
0-15
*** (8 char)
TRUE, FALSE
*** (16 char)
*** (16 char)
*** (16 char)
1-12
1-31
00 - 99
0 - 16,777,214
N/A
***
***
***
***
0=Linear, 1=SQ Root
0=Narrow mV, 1=R thermocouple (tc), 2=S tc,
3=T tc, 4=B tc
0=Upscale, 1=Downscale
N/A
(4 char)
***
***
TRUE, FALSE
0=Percent, 1=Measured, Variable, 2=Process
Variable
0=Lo, 1=Hi, 2=LPBFS
4 to 20 mA fixed current
N/A
N/A
N/A
N/A
N/A
***
***
***
***
DEFAULT
See Table 3-1
Defaults to 0 for
single- drop
channel
''
FALSE
''
''
''
12
1
93
0d
N/A - Read Only
0
0.0
0.0
0.0
0
0
0
N/A - Read Only
ENGU
0.0000
100.00
FALSE
0
0
0
N/A - Read Only
N/A - Read Only
N/A - Read Only
N/A - Read Only
N/A - Read Only
N/A - Read Only
N/A - Read Only
N/A - Read Only
N/A - Read Only
August 2002
CG39-24
NUMBER
37
38
39
40
41
42
43
44
45
HART® Fieldbus Module (HFM)
TRANSMITTER
PARAMETER
AlarmSelectCode
MooreModelNum
SupplierCode
DataBaseRevNum
S_H_RevLevels
Misc_Status
DeviceStatus
MooreStatus
MooreTransState
MooreDeviceError
46
47
48
49
50
51
52
53
DeviceErrStat_1
DeviceErrStat_2
DeviceErrorMsg
WriteRspMessage
MinScale
MaxScale
EngUnits
54
55
59
DigFiltTimeCnst
StepResponseTime
CommErrorRate
SELECTION
0=High, 1=Low
***
N/A
N/A
N/A
See description below
See description below
See description below
3=Off-line, 5=On-line, 7=Configuration Hold
0=no error, 1=Communication Error, 2=ROM
Error, 3=RAM Error, 4=EEPROM Error,
5=Watchdog Error, 6=Sensor Error
***
***
N/A
N/A
Any Real Number
Any Real Number
DEFAULT
N/A - Read Only
N/A - Read Only
N/A - Read Only
0
N/A - Read Only
0
0
0
N/A - Read Only
N/A - Read Only
N/A - Read Only
N/A - Read Only
N/A - Read Only
N/A - Read Only
0.0
100.0
in, ft, mm, cm, m, in3, ft3, bbl, ml, liter, m3, lb, ton, mol, g, Percent
kg, ft/sec, m/sec,ft/sec2, msec2, DegF, DegR, DegC,
DegK, psi, psia, psig, InH2O, InHg, ATM, kPa, kPaa,
kPag, mmHg, kg/cm2, mbar, bar, lb/ft3, g/cm3, kg/m3,
mol/m3, ft3/lb, m3/kg, ppm, pH, PPH, KPPH, t/day, kg/hr,
kg/day, gal/min, GPM, GPH, GPD, ACFM, ACFH,
SCCM, SCFH, SCFM, MCFH, yd3/hr, yd3/day, BPD,
gal/hr, gal/day, m3/hr, m3/day, l/min, l/hr, l/day, mV,
Volts, mA, AMPS, Ohms, mhos, W, kW, MW, Btu,
Btu/SCF, Btu/lbm, Btu/hr, hp, bhp, vars, VA, kVA, joules,
Percent, pulses, Hz, rpm, deg, rad, cal
cal/SCF, cal/hr, cal/lbm, kcal, kcal/SCF, kcal/hr, kcal/lbm
0.0 to 159.0 sec
0.050 to 2.000 sec
0
0.0
1.0
0
N/A indicates not applicable.
*** indicates “refer to the appropriate transmitter documentation.”
NOTE
Because all Siemens devices use packed ASCII for the parameters of
string data type, any changes to these parameters must be entered in
uppercase letters.
August 2002
3-7
HART® Fieldbus Module (HFM)
CG39-24
Table 3-5 is a list of the transmitter with controller specific softlist parameters.
Table 3–5 Transmitter with Controller Softlist Parameters
NUMBER
60
61
62
63
64
XTC w/CONTROLLER
PARAMETER
LoopProcess
LoopSetpoint
LoopValve
LoopStatus
AutomaticMode
65
66
67
68
69
70
71
72
73
74
75
76
ControllerOn
ControllerType
DirectAction
LoopPG
LoopTI
LoopTD
LoopDG
LoopMR
ManualResetTrack
TrackingSetpoint
PowerUpSetpoint
PowerUpManual
77
78
79
80
81
82
83
84
85
86
87
88
AutoModeOnly
PowerUpValve
AlarmStatus
AlarmCommand
ALARM1_Enable
ALARM1_Limit
ALARM1_Type
ALARM2_Enable
ALARM2_Limit
ALARM2_Type
SelfClearingNaks
AlarmsOutOfServ
SELECTION
N/A
***
***
See description below
TRUE =Automatic
FALSE=Manual
TRUE, FALSE
1=PID,2=PD,3=ID
TRUE=Direct, FALSE=Reverse
***
***
***
***
***
TRUE, FALSE
TRUE, FALSE
***
TRUE=Manual,
FALSE=Automatic
TRUE, FALSE
-1.0 to 110.0
See description below
***
TRUE=Enabled , FALSE=disabled
***
0=LOW, 1=HIGH
TRUE=Enabled , FALSE=disabled
***
0=LOW, 1=HIGH
TRUE, FALSE
TRUE, FALSE
DEFAULT
N/A - Read Only
0.0
0.0
0
FALSE
TRUE
1
TRUE
1.0000
100.00
0.0000
10.000
0.0000
FALSE
FALSE
50.0
FALSE
FALSE
0.0
N/A
0
FALSE
0.0
0
FALSE
0.0
0
FALSE
FALSE
N/A indicates not applicable.
*** indicates "refer to the appropriate transmitter documentation."
3-8
August 2002
CG39-24
HART® Fieldbus Module (HFM)
Table 3-6 lists the 348 FIELDPAC specific softlist parameters.
Table 3–6 Model 348 FIELDPAC Softlist Parameters
NUMBER
60
61
62
63
64
65
66
67
68
69
348 FIELDPAC
PARAMETER
LoopNumber
LoopTagName
(LD)
ProcessVariable
(LD)
PV_Units
(LD)
PV_Range_Hi
(LD)
PV_Range_Lo
(LD)
Setpoint
(LD)
Valve
(LD)
LoopStatus
(LD)
AutomaticMode
(LD)
70
ConsoleMode
(LD)
71
72
73
74
75
76
77
78
79
80
81
82
83
84
ControllerOn
DirectAction
AlarmStatus
AlarmCommand
StationStatus
LoopPG
LoopTI
LoopTD
LoopDG
LoopMR
TargetSetpoint
RampTime
RampRate
Ramp
(LD)
(LD)
(LD)
(LD)
85
86
87
88
89
90
91
92
HiLimit
LoLimit
VariableX
X_Units
X_Range_HI
X_Range_Lo
VariableY
Y_Units
(LD)
(LD)
93
94
95
Y_Range_HI
Y_Range_Lo
FB98_IND
August 2002
(LD)
(LD)
(LD)
(LD)
(LD)
(LD)
(LD)
(LD)
(LD)
SELECTION
1=Loop1, 2=Loop2
(12 char)
N/A
(4 char)
***
***
***
***
See description below
TRUE=Automatic
FALSE=Manual
TRUE=Console
FALSE=Local
TRUE=On, FALSE=Off
TRUE=Direct, FALSE=Reverse
See description below
See description below
See description below
***
***
***
***
***
***
***
***
TRUE=Ramp,
FALSE=DoNotRamp
***
***
N/A
(4 char)
***
***
N/A
(4 char)
DEFAULT
1
"
0.0
"
100.0
0.0
0.0
0.0
0u
TRUE
***
***
N/A
0.0
0.0
0.0
FALSE
TRUE
TRUE
0u
0u
0u
1.0
100.0
0.0
10.0
0.0
1.0
0.0
0.0
FALSE
100.0
0.0
0.0
"
0.0
0.0
0.0
0.0
3-9
HART® Fieldbus Module (HFM)
NUMBER
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
348 FIELDPAC
PARAMETER
FB98_INE
FB98_INF
FB98_ING
FB98_70
FB98_71
FB98_72
FB98_73
FB98_74
Ratio
Bias
Preset1
Preset2
TotalizerCounts
TotalizeMult
TotalizerUnits
HoldOutput
ALARM1_Enable
(LD)
ALARM2_Enable
(LD)
ALARM3_Enable
(LD)
ALARM4_Enable
(LD)
ALARM1_Limit
(LD)
ALARM2_Limit
(LD)
ALARM3_Limit
(LD)
ALARM4_Limit
(LD)
ALARM1_Type
(LD)
ALARM2_Type
(LD)
ALARM3_Type
(LD)
ALARM4_Type
(LD)
CG39-24
SELECTION
N/A
N/A
N/A
***
***
***
***
***
***
***
***
***
N/A
***
(4 char)
N/A
TRUE=Enabled , FALSE=disabled
TRUE=Enabled , FALSE=disabled
TRUE=Enabled , FALSE=disabled
TRUE=Enabled , FALSE=disabled
***
***
***
***
See following description
See following description
See following description
See following description
DEFAULT
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
"
0.0
FALSE
FALSE
FALSE
FALSE
0.0
0.0
0.0
0.0
0u
0u
0u
0u
N/A indicates not applicable.
LD indicates loop dependent.
*** indicates "refer to the appropriate transmitter documentation."
3.5
Parameter Details
Some of the softlist parameters are explained in more detail below. For further explanation or a
description of parameters not shown, refer to the appropriate manual(s) provided by the transmitter’s
manufacturer. For example, such reference documents from Siemens include AD340-10, AD340-80,
AD340-510, AD344-10 and AD344-70. The Rosemount HART - Smart Communications Protocol
manual should also be referenced as needed.
Fieldbus_Number (1 in Standard List): This parameter specifies the physical set of screws to which a
transmitter or FIELDPAC is wired. Note that the same Fieldbus_Number can be used for more than one
device, such as in multi-drop mode.
3-10
August 2002
CG39-24
HART® Fieldbus Module (HFM)
Poll_Address (2 in Standard List): The poll address must be set to 0 if the analog current is to be
active. An address other than 0, will park the current at 4mA. For multi-drop operation, the poll address
should be set 1 to 15 and should be unique for each device on that Fieldbus.
NOTE
If the poll address of a channel is written while the device is
communicating, the poll address of the communicating device is
changed; the HFM does NOT search for a new device with that poll
address. The HFM does search for a device with the new poll address if
the channel has never communicated with an actual device.
Transmitter_Tag (3 in Standard List): This is the eight character string stored in the transmitter.
OverWriteXmtrCfg (4 in Standard List): With the HFM’s softlist, it is possible to configure a
transmitter’s database by entering the desired data in each softlist parameter. This configuration can be
done without the presence of the HFM or the transmitter, such as in the off-line mode of 4-mation.
However, the transmitter will have its own database which may be different from that entered in the
softlist. By setting this parameter to TRUE, the HFM will overwrite the configuration of the attached
transmitter upon HFM power-up (writeable parameters only). If this parameter is FALSE, the
transmitter’s database will be uploaded during HFM power-up and overwrite the softlist. Note that this
parameter is only executed during HFM power-up; during normal operation, changes made to the softlist
or the transmitter will be processed in both databases as appropriate.
MV_Units (13 in Standard List): The measured variable unit descriptor is read and written as an
integer number. Refer to the appropriate transmitter’s HART communication manual for a look-up table.
SensorLimitUnits (33 in Standard List): The sensor limit unit descriptor is read and written as an
integer number. Refer to the appropriate transmitter’s HART communication manual for a look-up table.
Misc_Status (42 in Standard List): Each bit in this 16-bit word represents a status condition although
the word is read as an integer. The bits that are editable are marked with an appended asterisk below.
See the end of this section for information on how to change these bits.
Bit 01:
Bit 02:
Bit 03:
Bit 04
Bit 05
Bit 06:
Bits 09-16
August 2002
1=Issue HART Cmd #37 *, magnitude of applied process becomes MV_Range_Lo.
1=Issue HART Cmd #36 *, magnitude of applied process becomes MV_Range_Hi.
1=Issue HART Cmd #43 *, zeroes the primary variable so it reads zero with the applied
Unused
Unused
1=Controller Enabled * (XTC with Controller only)
Unused
3-11
HART® Fieldbus Module (HFM)
CG39-24
DeviceStatus (43 in Standard List): Each bit in this 16-bit word represents a status condition, although
the word is read as an integer. The following bits that are editable are marked with an appended asterisk.
See the end of this section for information on how to change these bits. Note that bits 01 through 08
comprise the HART Field Device Status Word.
Bit 01:
Bit 02:
Bit 03:
Bit 04:
Bit 05:
Bit 06:
Bit 07:
Bit 08:
Bit 09:
Bit 10:
Bit 11:
Bit 12:
Bit 13:
Bit 14:
Bit 15:
Bit 16:
Primary variable out of limits
Non-Primary variable out of limits
Analog output saturated
Output in fixed current Mode
Reserved
Cold start occurred
Configuration change
Error
1=Transmitter not communicating
Unused
1=Square root enabled *
1=Write Command failed
Unused
1=Device configuration change *
1=Device error NAK *
1=Device error
MooreStatus (44 in Standard List): Each bit in this 16-bit word represents a status condition although
the word is read as an integer. The following bits that are editable are marked with an appended asterisk.
See the end of this section for information on how to change these bits.
Bit 01: 1=AutoRerange enabled *
Bit 02: 1=Pushbutton enabled
Bit 03: 1=Write protect mode *
Bit 04-16: Unused
MooreTransState (45 in Standard List): This parameter indicates the state of the HART device. The
possible states are: 3=Off-line, 5=On-line, and 7=Configuration Hold. If other states are obtained, call
your Siemens representative for assistance.
MooreDeviceError (46 in Standard List): This parameters indicates the Moore device errors.
DeviceErrStat_1 (47 in Standard List): See appropriate transmitter HART manual.
DeviceErrStat_2 (48 in Standard List): See appropriate transmitter HART manual.
DeviceErrorMsg (49 in Standard List): The HFM will return a message that describes selected error
conditions.
WriteRspMessage (50 in Standard List): The HFM will return a message in response to selected writes
to the transmitter. This message automatically clears after a successful write.
3-12
August 2002
CG39-24
HART® Fieldbus Module (HFM)
MinScale (51 in Standard List): The module will linearly scale raw data (4-20 mA) to engineering units
for each channel. The scaling algorithm uses the MinScale/MaxScale parameters set by the user. For
example, assume values of MinScale of 0.0 and a MaxScale of 100.0. If the input to the channel is
12mA, the scaled value will be 50.0. Note that for some channel types, MinScale will be automatically
set equal to PV_Range_Lo. MinScale can be any REAL number (REAL numbers are valid between 3.4028E38 and +3.4028E38).
MaxScale (52 in Standard List): MaxScale can be any REAL number. Note that for some channel
types, MaxScale will be automatically set equal to PV_Range_Hi.
EngUnits (53 in Standard List): Engineering units for the scaled value may be selected from a list of
common engineering units.
DigFiltTimeCnst (54 in Standard List): Digital filtering can be applied to analog input signals to
reduce the effects of electrical noise. The digital filter is a first order lag, adjustable for time constants of
0.0159 to 159.0 seconds. Equivalent breakpoint frequencies are 10.0 to 0.001 Hz. The value can be
increased for noisy signals.
StepResponseTime (55 in Standard List): This parameter determines the time for the channel to fully
respond to a step input. A longer StepResponseTime will provide more accurate readings.
LoopStatus (63 in XTC w/Controller List and 68 in FIELDPAC List): Each bit in this 16-bit word
represents a status condition, although the word is read as an integer. The following bits that are editable
are marked with an appended asterisk. See the end of this section for information on how to change these
bits.
•
Transmitter Loop Status:
Bit 01:
Auto/Manual Status1 = Auto, 0 = Manual *
Bit 02-16: Unused
•
FIELDPAC Loop Status:
Bit 01:
Bit 02:
Bit 03:
Bit 04:
Bit 05:
Bit 06:
Bit 07:
Bit 08:
Bit 09:
Bit 10:
Bit 11:
Bit 12:
Bit 13:
Bit 14:
Bit 15:
Bit 16:
August 2002
Auto/Manual Status, 1=Auto *
Local status *
Standby Sync
External/Internal Status, 1=External *
Console Status *
Unused
Setpoint Ramp Status *
Unused
Emergency Manual
User 1 or 2 Status
High limit Exceeded
Low Limit Exceeded
Unused
Unused
Auto/Manual Transfer Function Block Configured
1 = Direct Valve Bar Action, 0 = Reverse
3-13
HART® Fieldbus Module (HFM)
CG39-24
StationStatus (75 in FIELDPAC List): Each bit in this 16-bit word represents a status condition
although the word is read as an integer. The following bits that are editable are marked with an appended
asterisk. See the end of this section for information on how to change these bits.
Bit 01:
Bit 02:
Bit 03:
Bit 04:
Bit 05:
Bit 06:
Bit 07:
Bit 08:
Bit 09:
Bit 10:
Bit 11:
Bit 12:
Bit 13:
Bit 14:
Bit 15:
Bit 16:
Active Alarm Exists
Alarm Not Acknowledged
Flashing Bargraph
Unused
Configuration Hold *
Unused
Unused
Console = 1, Local = 0 *
Unused
Override Status Output of Function Block 10
Unused
Configuration Changed
Unused
Unused
Error
Unused
AlarmStatus (79 in Transmitter w/Controller List and 73 in FIELDPAC List): Each bit in this 16bit word represents a status condition, although the word is read as an integer. The structure mimics that
of the MYCRO Alarm Status Word. This parameter is edited using the AlarmCommand parameter
(described below) so that the status word can be preserved.
NOTE
The transmitter-controller only has two alarms, so that bits 6-11 are
unused in the Alarm Status parameter.
Bit 01:
Bit 02:
Bit 03:
Bit 04:
Bit 05:
Bit 06:
Bit 07:
Bit 08:
Bit 09:
Bit 10:
Bit 11:
Bit 12:
Bit 13:
3-14
Alarm1 Exists
Alarm1 Not Acknowledged *
Alarm1 Enabled *
Alarm2 Exists
Alarm2 Not Acknowledged *
Alarm2 Enabled *
Alarm3 Exists
Alarm3 Not Acknowledged *
Alarm3 Enabled *
Alarm4 Exists
Alarm4 Not Acknowledged *
Alarm4 Enabled *
Alarms Out of Service * (XTC with Controller Only)
August 2002
CG39-24
HART® Fieldbus Module (HFM)
AlarmCommand (80 in Transmitter List and 74 in FIELDPAC List): Each bit in this 16-bit word
represents a status condition identical to the AlarmStatus parameter described above. The 16-bit word is
read and written as an integer. The bits that are editable are marked with an asterisk appended to the bit
definitions shown above. See the end of this section for information on how to change these bits.
AlarmN_Type (120 through 123 in FIELDPAC List): Sets of bits in this 16-bit word determine the
type and settings of the alarms. All bits in this word can be edited. Note that this word is NOT a status
word so does NOT require the procedure outlined at the end of this section to modify the bits.
Bits
3
0
0
0
0
1
1
1
1
2
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
1
- No alarm action required
- High alarm
- Low alarm
- High Deviation alarm
- Low Deviation alarm
- Absolute Deviation alarm
- Out of Range alarm
- No alarm action required
NOTE
XTC with Controller only has the High alarm or Low alarm options.
Bits
5
0
0
1
1
4
0
1
0
1
-
0.1% alarm deadband
0.5% alarm deadband
1.0% alarm deadband
5.0% alarm deadband
NOTE
XTC with Controller only has 0.5% deadband option.
Bits
8
7
6
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
August 2002
-
0.0 seconds delay time in
0.4 seconds delay time in
1.0 seconds delay time in
2.0 seconds delay time in
5.0 seconds delay time in
15.0 seconds delay time in
30.0 seconds delay time in
60.0 seconds delay time in
3-15
HART® Fieldbus Module (HFM)
Bits 11
0
0
0
0
1
1
1
1
Bit
10
0
0
1
1
0
0
1
1
CG39-24
9
0
1
0
1
0
1
0
1
-
0.0 seconds delay time out
0.4 seconds delay time out
1.0 seconds delay time out
2.0 seconds delay time out
5.0 seconds delay time out
15.0 seconds delay time out
30.0 seconds delay time out
60.0 seconds delay time out
12
0 - Ring back not required
1 - RINGBACK
Bits 13 through 16 - set to 0
FIELDPAC parameters 81-84 come from the setpoint block (function block 17 if Loop1 and function
block 68 if Loop2) in the 348. Consult the 348 Configuration Guide (CG348-2) for details. Note the
Loop Number softlist parameter determines to which 348 setpoint function block communication is made.
FIELDPAC parameters 85-86 come from the limit blocks (function block 08 if Loop 1 and 51 if Loop 2)
in the 348. Consult the 348 Configuration Guide (CG348-2) for details.
FIELDPAC parameters 87-94 come from the Link Display block (function block 15) in the 348. Consult
the 348 Configuration Guide (CG348-2) for details.
FIELDPAC parameters 95-103 come from the HART Interface block (function block 98) in the 348.
Consult the 348 Configuration Guide (CG348-2) for details.
Ratio (parameter 104 in the FIELDPAC List) comes from the RATIO function block (function block 07)
in the 348. Consult the 348 Configuration Guide (CG348-2) for details.
Bias (parameter 105 in the FIELDPAC List) comes from the BIAS function block (function block 08) in
the 348. Consult the 348 Configuration Guide (CG348-2) for details.
Parameters 106-110 come from the TOTALIZER function block (16) in the 348. Consult the 348
Configuration Guide (CG348-2) for details.
Parameter 111 comes from the HOLD function block. Consult the 348 Configuration Guide (CG348-2)
for details.
Parameters 112-123 are read from and written to the ALARM block (function block 12 if Loop 1 and 73
if Loop 2) of the 348. Note that the Loop Number softlist parameter determines to which 348 Alarm
block the communication is made.
3-16
August 2002
CG39-24
HART® Fieldbus Module (HFM)
3.6 Changing Status Bits
Various bits in the HFM status parameters (Misc_Status, DeviceStatus, MooreStatus, LoopStatus) are
editable. Most of these bits also have individual boolean softlist parameters for easy access, so it is not
necessary to use the status words for writing. However, if desired, the following paragraphs describe the
procedure.
Each bit that can be modified has an asterisk “*”appended to the bit definition. To change a specific bit
to a 1, a mask on command is used. To change the bit to a 0, the mask off command is used. To create
the mask on or mask off command:
1. In 16-bit binary format, put a 1 in the position of the bit to be masked-on/masked-off.
2. Bit position 16 (most significant bit position) in a 16 bit, one-based word is the mask-on bit. Place a
1 in this position for a mask-on command or a 0 for a mask-off command.
3. Determine the decimal equivalent of this binary number.
4. Select the status word in the softlist.
5. Enter the calculated decimal value in the edit box.
6. Choose the Change command button. The command is sent.
For example, to enable the write protect mode, a 1 should be placed both in bit position 03 of a 16-bit
one-based word (because the write protect bit is bit 03), and in bit position 16 (because this is the mask-on
bit). Then, the binary word is converted to decimal (1000 0000 0000 0100 = 32772). This decimal value
is used to write to the MooreStatus softlist parameter.
"
August 2002
3-17
CG39-24
4.0
Input Discrete Module (IDM)
Input Discrete Module (IDM)
The IDM interfaces discrete 115 or 230 Volt AC input devices with the controller’s IOBUS. The IDM
supports 32 AC inputs in eight isolated groups of four channels each. This allows AC inputs from
different power sources to be connected to the same module. To isolate field faults, each channel is
electrically isolated from the module’s CPU, IOBUS, and ground.
4.1
IDM Module Scope Parameter
Table 4-1 shows the module scope softlist parameter for the IDM:
Table 4–1 IDM Module Scope Parameter
PARAMETER
ScanRate
SELECTION
N/A
DEFAULT
N/A
To view/edit the Module Scope Parameters, place the cursor on the desired Module in the module tree and
select the Edit, Object/Item menu item. The Hardware Modules Dialog Box opens. Choose the “Softlist”
command button. The Module Scope Softlist Dialog Box opens.
ScanRate: This is a read-only parameter that displays the current scan rate of the module.
4.2
IDM Channel Types
The following channel type is supported for the IDM module:
•
IDM Disc In
4.2.1
IDM Disc In
The IDM Discrete Input (Disc In) channel type returns a boolean (BOOL) variable. Table 4-2 shows the
Disc In softlist parameter for the IDM:
Table 4–2 IDM Disc In Softlist Parameter
PARAMETER
InputFaultState
SELECTION
TRUE FALSE
DEFAULT
TRUE
InputFaultState: When an input channel has a hardware failure that makes the channel value impossible
to discern, the channel reports the value configured in this softlist parameter.
"
August 2002
4-1
CG39-24
5.0
Isolated Discrete Input Modules (IDI)
Isolated Discrete Input Modules (IDI)
The Isolated Discrete Input (IDI) modules are available in AC (IDI_AC) and DC (IDI_DC) versions.
5.1
IDI_AC Description
The IDI_AC module interfaces discrete 115 Vac input signals with a control module's IOBUS, supporting
16 isolated AC input channels. This enables AC inputs from different power sources to be connected to
the same module. Each channel is electrically isolated from the module's CPU, IOBUS, and ground.
Event recording inputs are high-speed channels used in conjunction with the functions blocks of the
Sequence of Events Recorder Function Block Library for detecting, monitoring, controlling, and
recording discrete state changes (i.e. events). This data is collected by a Sequence of Events (SOE)compatible module, such as the IDI_AC module, that is capable of high-speed event gathering. Events
are stored to an array of strings. The data can then be viewed through the Sequence of Events Viewer, a
utility program. Refer to the APACS+ Sequence of Events Viewer Operator's Guide (document number
OG39SOE-2) for information on using this utility.
5.1.1
IDI_AC Module Scope Parameter
Table 5-1 shows the Module Scope softlist parameter for the IDI_AC module. To view/edit the module
scope parameter, place the cursor on the desired module in the module tree. From the Main Menu bar,
select the Edit, Object/Item to open the Hardware Modules dialog box. Press the Softlist command
button to open the Module Scope Softlist dialog box.
Table 5–1 IDI_AC Module Scope Parameter
PARAMETER
ScanRate
SELECTION
Not applicable
DEFAULT
25 ms
ScanRate: This is a read-only parameter that displays the current scan rate of the module.
August 2002
5-1
Isolated Discrete Input Modules (IDI)
5.1.2
CG39-24
IDI Discrete AC Input Channel Type
The IDI Discrete AC Input channel type returns a boolean (BOOL) variable. Table 5-2 shows the softlist
parameters for this channel type.
Table 5–2 Softlist Parameters for the
IDI Discrete AC Input Channel Type
PARAMETER
SOE_Recording
Description
EventPriority
AlarmState
SELECTION
ENABLE, DISABLE
Any 28 characters
1-4
TRUE, FALSE
DEFAULT
DISABLE
‘’
1
FALSE
SOE_Recording: This parameter enables or disables SOE recording for this channel.
Description (only relevant if SOE_Recording is enabled): This is a description, up to 28 characters, of the
channel that is monitored for configuration by the Sequence of Events Recorder block. The description is
formatted as a STRING data type. It is inserted as a substring within the EVENTS string of the Sequence of
Events Recorder block.
EventPriority (only relevant if SOE_Recording is enabled): This data is used for establishing an event’s
priority. You can set a channel’s priority from 1 (highest) to 4 (lowest). This priority value can then be used
to sort events, such as during the time that they are being formatted for viewing. This priority value is
inserted within the EVENTS string of the Sequence of Events Recorder block.
AlarmState: This parameter is used to establish the alarm state of the channel. You can choose which
state, TRUE or FALSE, represents an alarm condition. For example, if you set this parameter to TRUE,
the channel is said to be in alarm when the channel’s value toggles from FALSE to TRUE. This also
inserts an “A” character in the last character position in the EVENTS string of the Sequence Of Events
block. Otherwise, it is an “N” character (no alarm).
5.2
IDI_DC Description
The IDI_DC module interfaces discrete 125 Vdc input signals with a control module's IOBUS, supporting
24 isolated DC input channels. This enables DC inputs from different power sources to be connected to
the same module. Each channel is electrically isolated from the module's CPU, IOBUS, and ground.
Event recording inputs are high-speed channels used in conjunction with the function blocks of the
Sequence of Events Recorder Function Block Library for detecting, monitoring, controlling, and
recording discrete state changes (i.e. events). This data is collected by a Sequence of Events (SOE)compatible module, such as the IDI, that is capable of high-speed event gathering. Events are stored to an
array of strings. The data can then be viewed through the Sequence of Events Viewer, a utility program.
Refer to the APACS+ Sequence of Events Viewer Operator's Guide (document number OG39SOE-2) for
information on the use of this utility.
5-2
August 2002
CG39-24
5.2.1
Isolated Discrete Input Modules (IDI)
IDI_DC Module Scope Parameter
Table 5-3 shows the Module Scope softlist parameter for the IDI_DC module. To view/edit the module
scope parameter, place the cursor on the desired module in the module tree. From the Main Menu bar,
select the Edit, Object/Item to open the Hardware Modules dialog box. Press the Softlist command
button to open the Module Scope Softlist dialog box.
Table 5–3 IDI_DC Module Scope Parameter
PARAMETER
ScanRate
SELECTION
Not applicable
DEFAULT
25 ms
ScanRate: This is a read-only parameter that displays the current scan rate of the module.
5.2.2
IDI Discrete DC Input Channel Type
The IDI Discrete DC Input channel type returns a boolean (BOOL) variable. Table 5-4 shows the softlist
parameters for this channel type.
TABLE 5-4 IDI Discrete DC Output Softlist Parameters
PARAMETER
SOE_Recording
Description
EventPriority
AlarmState
SELECTION
ENABLE, DISABLE
Any 28 char.
1-4
TRUE, FALSE
DEFAULT
DISABLE
‘’
1
FALSE
SOE_Recording: This parameter enables or disables SOE recording for this channel.
Description (only valid if SOE_Recording is enabled): This is a description, up to 28 characters, of the
channel that is monitored for configuration by the Sequence of Events Recorder block. The description is
formatted as a STRING data type. It is inserted as a substring within the EVENTS string of the Sequence of
Events Recorder block.
EventPriority (only valid if SOE_Recording is enabled): This data is used for establishing an event’s
priority. You can set a channel’s priority from 1 (highest) to 4 (lowest). This priority value can then be used
to sort events, such as during the time that they are being formatted for viewing. This priority value is
inserted within the EVENTS string of the Sequence of Events Recorder block.
AlarmState: This parameter is used to establish the alarm state of the channel. You can choose which
state, TRUE or FALSE, represents an alarm condition. For example, if you set this parameter to TRUE,
the channel is said to be in alarm when the channel’s value toggles from FALSE to TRUE. This also
inserts an ‘A’ character in the last character position in the EVENTS string of the Sequence Of Events
block. Otherwise, it is an ‘N’ character (no alarm).
"
August 2002
5-3
CG39-24
6.0
Isolated Discrete Output Modules (IDO)
Isolated Discrete Output Modules (IDO)
The Isolated Discrete Output (IDO) modules are available in AC (IDO_AC) and DC (IDO_DC) versions.
6.1
IDO_AC Description
The IDO interfaces discrete 24 to 125 Vac output devices with a control module's IOBUS, supporting 16
isolated output channels. This enables outputs requiring different power sources to be connected to the
same module. Furthermore, each channel is electrically isolated from the module's CPU, IOBUS, and
ground.
6.1.1
IDO_AC Module Scope Parameter
Table 6-1 shows the Module Scope softlist parameter for the IDO_AC module. To view/edit the module
scope parameter, place the cursor on the desired module in the module tree. From the Main Menu bar,
select the Edit, Object/Item to open the Hardware Modules dialog box. Press the Softlist command
button to open the Module Scope Softlist dialog box.
Table 6–1 IDO_AC Module Scope Parameter
PARAMETER
ScanRate
SELECTION
Not applicable
DEFAULT
25 ms
ScanRate: This is a read-only parameter that displays the current scan rate of the module.
6.1.2
IDO Discrete AC Output Channel Type
The IDO Discrete AC Output channel type accepts a boolean (BOOL) variable. Table 6-2 shows the
softlist parameters for this channel type.
Table 6–2 Softlist Parameters for the IDO Discrete AC Output Channel Type
PARAMETER
IOBUSFault
FailSafe
FieldWiringDiag
Readback
SOE_Recording
Description
EventPriority
AlarmState
SELECTION
OFF, ON, HOLD
ENABLE, DISABLE
ENABLE, DISABLE
ENABLE, DISABLE
ENABLE, DISABLE
Any 28 characters
1-4
TRUE, FALSE
DEFAULT
OFF
DISABLE
ENABLE
ENABLE
DISABLE
‘’
1
FALSE
IOBUSFault: If the IDO module is unable to communicate with the control module (loss of IOBUS), the
output is set to the IOBUSFault state. Once set to the IOBUSFault state, the diagnostic must be
acknowledged for normal output updates to occur again.
August 2002
6-1
Isolated Discrete Output Modules (IDO)
CG39-24
FailSafe: When FailSafe is set to ENABLE, the module turns off the output via the diagnostic cut-off
switch if diagnostics detect that the output is ON when it is supposed to be OFF.
FieldWiringDiag: These diagnostics determine whether an open-circuit is present on a channel that is
currently OFF. Disabling FieldWiringDiag prevents the brief pulse ON required for these diagnostics from
occurring. Note that loads of less than 50 mA (100 mA Node-to-Node redundant) may not be reported
correctly by these diagnostics.
Readback: The IDO contains circuitry on every output to “read back” the actual output current. Readback
is used to diagnose channel faults, such as an open circuit, short circuit, blown fuse on Marshalled
Termination Assembly, module hardware fault field device hardware fault, or excessive current draw.
Disabling Readback inhibits reporting of Readback-related diagnostics.
Disabling ReadBack does not disable the controller readback diagnostic.
SOE_Recording: This parameter enables or disables SOE recording for this channel.
Description (only valid if SOE_Recording is enabled): This is a description, up to 28 characters, of the
channel that is monitored for configuration by the Sequence of Events Recorder block. The description is
formatted as a STRING data type. It is inserted as a substring within the EVENTS string of the Sequence of
Events Recorder block.
EventPriority (only valid if SOE_Recording is enabled): This data is used for establishing an event’s
priority. You can set a channel’s priority from 1 (highest) to 4 (lowest). This priority value can then be used
to sort events, such as during the time that they are being formatted for viewing. This priority value is
inserted within the EVENTS string of the Sequence of Events Recorder block.
AlarmState: This parameter is used to establish the alarm state of the channel. You can choose which
state, TRUE or FALSE, represents an alarm condition. For example, if you set this parameter to TRUE,
the channel is said to be in alarm when the channel’s value toggles from FALSE to TRUE. This also
inserts an ‘A’ character in the last character position in the EVENTS string of the Sequence Of Events
block. Otherwise, it is an ‘N’ character (no alarm).
6.2
IDO_DC Description
The IDO_DC module interfaces discrete 24 to 125 Vdc output devices with a control module’s IOBUS,
supporting 16 isolated output channels. This enables outputs requiring different power sources to be
connected to the same module. Each channel is electrically isolated from the module’s CPU, IOBUS, and
ground.
6.2.1
IDO_DC Module Scope Parameter
Table 6-3 shows the Module Scope softlist parameter for the IDO_DC module. To view/edit the module
scope parameter, place the cursor on the desired module in the module tree. From the Main Menu bar,
select the Edit, Object/Item to open the Hardware Modules dialog box. Press the Softlist command
button to open the Module Scope Softlist dialog box.
6-2
August 2002
CG39-24
Isolated Discrete Output Modules (IDO)
Table 6–3 IDO_DC Module Scope Parameter
PARAMETER
ScanRate
SELECTION
Not applicable
DEFAULT
25 ms
ScanRate: This is a read-only parameter that displays the current scan rate of the module.
6.2.2
IDO Discrete DC Output Channel Type
The IDO Discrete DC Output channel type accepts a boolean (BOOL) variable. Table 6-4 shows the
softlist parameters for this channel type.
Table 6–4 IDO Discrete DC Output Softlist Parameters
PARAMETER
IOBUSFault
FailSafe
FieldWiringDiag
Readback
SOE_Recording
Description
EventPriority
AlarmState
SELECTION
OFF, ON, HOLD
ENABLE, DISABLE
ENABLE, DISABLE
ENABLE, DISABLE
ENABLE, DISABLE
Any 28 characters
1-4
TRUE, FALSE
DEFAULT
OFF
DISABLE
ENABLE
ENABLE
DISABLE
‘’
1
FALSE
IOBUSFault: If the IDO module is unable to communicate with the control module (loss of IOBUS), the
output is set to the IOBUSFault state. Once set to the IOBUSFault state, the diagnostic must be
acknowledged for normal output updates to occur again.
FailSafe: When FailSafe is set to ENABLE, the module turns off the output via the diagnostic cut-off
switch if diagnostics detect that the output is ON when it is supposed to be OFF.
FieldWiringDiag: These diagnostics determine whether an open-circuit, normal load, or short circuit, is
present on a channel that is currently OFF. Disabling FieldWiringDiag prevents the brief pulse ON required
for these diagnostics from occurring. Note that loads of less than 50 mA (100 mA Node-to-Node
redundant) may not be reported correctly by these diagnostics.
August 2002
6-3
Isolated Discrete Output Modules (IDO)
CG39-24
Readback: The IDO contains circuitry on every output to “read back” the actual output current. Readback
is used to diagnose channel faults, such as an open circuit, short circuit, blown fuse on Marshalled
Termination Assembly, module hardware fault field device hardware fault, or excessive current draw.
Disabling Readback inhibits reporting of Readback-related diagnostics.
Disabling ReadBack does not disable the controller readback diagnostic.
SOE_Recording: This parameter enables or disables SOE recording for this channel.
Description (only valid if SOE_Recording is enabled): This is a description, up to 28 characters, of the
channel that is monitored for configuration by the Sequence of Events Recorder block. The description is
formatted as a STRING data type. It is inserted as a substring within the EVENTS string of the Sequence of
Events Recorder block.
EventPriority (only valid if SOE_Recording is enabled): This data is used for establishing an event’s
priority. You can set a channel’s priority from 1 (highest) to 4 (lowest). This priority value can then be used
to sort events, such as during the time that they are being formatted for viewing. This priority value is
inserted within the EVENTS string of the Sequence of Events Recorder block.
AlarmState: This parameter is used to establish the alarm state of the channel. You can choose which
state, TRUE or FALSE, represents an alarm condition. For example, if you set this parameter to TRUE,
the channel is said to be in alarm when the channel’s value toggles from FALSE to TRUE. This also
inserts an ‘A’ character in the last character position in the EVENTS string of the Sequence Of Events
block. Otherwise, it is an ‘N’ character (no alarm).
"
6-4
August 2002
CG39-24
7.0
Output Discrete Module (ODM)
Output Discrete Module (ODM)
The ODM interfaces discrete 115 Volt AC devices with the controller’s IOBUS. The ODM supports 32
AC outputs in four isolated groups of eight channels each. This allows each group to use a separate
power supply. Each group is individually fused with a 5 amp fuse to protect the group from a short
circuit in the field wiring and prevents the short circuit from affecting other channel groups in the module.
To isolate field faults, every output circuit is electrically isolated from the ODM’s CPU, IOBUS, and
ground.
7.1
ODM Module Scope Parameter
Table 7-1 shows the Module Scope softlist parameter for the ODM:
Table 7–1 ODM Module Scope Parameter
PARAMETER
ScanRate
SELECTION
N/A
DEFAULT
N/A
To view/edit the Module Scope Parameters, place the cursor on the desired Module in the module tree and
select the Edit, Object/Item menu item. The Hardware Modules Dialog Box opens. Choose the “Softlist”
command button. The Module Scope Softlist Dialog Box opens.
ScanRate: This is a read-only parameter that displays the current scan rate of the module.
7.2
ODM Channel Type
The following channel type is supported for the ODM.
•
ODM Disc Out
7.2.1
ODM Disc Out
The Discrete Ouput (Disc Out) channel type accepts a boolean (BOOL) variable.
Table 7-2 shows the softlist parameters for the Disc Out channel type.
Table 7–2 ODM Discrete Output Softlist Parameters
PARAMETER
IOBUSFault
FailSafe
Readback
August 2002
SELECTION
OFF, ON,
HOLD_LAST_STATE
ENABLED, DISABLED
ENABLED, DISABLED
DEFAULT
OFF
DISABLED
ENABLED
7-1
Output Discrete Module (ODM)
CG39-24
IOBUSFault: Each output can be configured to respond to an IOBUS fault (loss of
communications with the controller) in a particular manner. The available fault states are:
OFF
ON
HOLD_LAST_STATE
Output is turned off.
Output is turned on.
Output holds its last value.
NOTE
All channels power up in the OFF state.
FailSafe: Each output can be configured to turn off all module outputs in the group in the event
that a channel is intended to be off, but diagnostics have determined that it is on or opencircuited. The user may wish to configure an output as FailSafe that is critical to the process or
may present a hazard to personnel or equipment.
Readback: The state of an output channel is automatically “read back” by circuitry on the same channel.
The Readback is used to diagnose and report faults. The user can disable Readback, which in turn
disables the reporting of Readback-related faults (Output Open Circuit or Failed On, Output Failed Off,
Critical Output Open Circuit or Failed On).
"
7-2
August 2002
CG39-24
8.0
Resistance Temperature Module (RTM)
Resistance Temperature Module (RTM)
The RTM interfaces RTD and other resistance input signals to the controller’s IOBUS. The RTM
provides 16 configurable channels isolated into eight groups of two channels each. Each input circuit is
isolated from the Module’s CPU, IOBUS, and ground. In addition, each two-channel group is isolated
from the other groups.
8.1
RTM Module Scope Parameter
Table 8-1 shows the Module Scope softlist parameter for the RTM:
Table 8–1 RTM Module Scope Parameter
PARAMETER
ScanRate
SELECTION
NA
DEFAULT
NA
To view/edit the Module Scope Parameters, place the cursor on the desired module in the module tree and
select the Edit, Object/Item menu item. The Hardware Modules dialog box opens. Choose the “Softlist”
command button. The Module Scope Softlist dialog box opens.
ScanRate: This is a read-only parameter that displays the current scan rate of the module. In general, the
scan rate is the same as the scan rate of the ACM, but may be a multiple of the ACM's scan rate.
Shared_RTD: This parameter is no longer used.
8.2
RTM Channel Types
The following channel types are supported for the RTM module:
•
•
RTM RTD Input
RTM Resistance Input
8.2.1
RTM RTD Input
The RTD Input channel type returns a REAL variable.
August 2002
8-1
Resistance Temperature Module (RTM)
CG39-24
Table 8-2 shows the softlist parameters for the RTD Input channel type.
Table 8–2 RTM RTD Input Softlist Parameters
PARAMETER
RTD_Type
Alpha
Resistance
Bias
EngUnits
MinRange
MaxRange
Scale_To_Percent
Input_Fault_State
DigFiltTimeCnst
StepResponseTime
SELECTION
Pt_100_IEC/DIN
Pt_100_JIC/SAMA
Pt_200_IEC/DIN
Pt_200_JIC/SAMA
Ni_100 _DIN
Linear
Any Real Number
10.0 to 200.0 Ohms
Any Real Number
DegF, DegC, DegK, Deg R
Any Real Number
>= MinRange of selected RTD
Any Real Number
<= MaxRange of selected RTD
Yes_No
Enforced by RTM board
No_Change, MinRange, MaxRange
0.0 to 159.0 sec.
0.100 to 40.000 sec.
DEFAULT
Pt_100_IEC/DIN
0.00385
100.0
0.0
Deg C
Min Range of selected RTD Type
Max Range of selected RTD Type
No
MinRange
0.016
1.0
RTD_Type: Select from the list of supported RTD types. If “Linear” is selected, the measured input,
R, is linearized using a straight line approximation based on the Alpha, α, and Resistance, R0, specified.
T( ° C) =
R R0
α R0
Alpha: Alpha is the average percent change in resistance per degree of a pure metal resistance device
between 0 and 100º C. The most commonly used element material is standard platinum with a resistance
of 100 Ohms at 0º C and a temperature coefficient of resistance of 0.00385 ohms/ohm/ºC (IEC 751 and
DIN 43760).
This parameter need only be specified when the RTD type specified is “Linear.”
Resistance: The resistance in ohms of the RTD at 0º C.
This parameter need only be specified when the RTD type specified is “Linear.”
Bias: The user can enter a bias (in engineering units) on a per channel basis to compensate for known
offsets. The bias value is added to the linearized input.
8-2
August 2002
CG39-24
Resistance Temperature Module (RTM)
EngUnits: The user can select from the following engineering units: DegF, DegC, DegK, DegR
MinRange: MinRange is an optional parameter that allows the user to specify a minimum operating
value in EngUnits. If the reading drops 5% below this value, an underrange error is reported.
MaxRange: MaxRange is an optional parameter that allows the user to specify a maximum operating
value in EngUnits. If the reading goes 5% above this value, an overrange error is reported.
Scale_To_Percent: If Scale_To_Percent is TRUE, the linearized temperature reading, T, is scaled to a
percent by the following formula:
%=
TMinRange
x100
MaxRangeMinRange
Input_Fault_State: If a channel is faulted (Quality is set to BAD or QUESTIONABLE), the user can
select to have the module return the actual reading (No_Change), the largest value for the channel
(Maxscale), or the smallest value (Minscale). The default is to return the actual reading.
DigFiltTimeCnst: Digital filtering can be applied to RTD input signals to reduce the effects of electrical
noise. The digital filter is a first-order lag, adjustable for time constants of 0.0159 to 159.0 seconds.
Equivalent breakpoint frequencies are 10.0 to 0.001 Hz. The default value can be increased for noisy
signals.
StepResponseTime: This parameter determines the time for the channel to fully respond to a step input.
A longer StepResponseTime provides more accurate readings. The valid range is between 0.100 and
40.00 seconds.
8.2.2 RTM Resistance Input
The Resistance Input channel type returns a REAL variable.
DigFiltTimeCnst: This parameter sets the time constant of a low-pass digital filter applied to the input
data. This filter reduces non-repetitive noise from the input data and can be disabled by setting this
parameter to 0.0.
StepResponseTime: This parameter sets the length of a moving-average digital filter applied to the input
data. It determines the time to fully respond to an input step. Increasing this parameter reduces periodic
or repetitive input noise and improves repeatability and resolution. The recommended setting for this
parameter is between 1.0 and 10.0 seconds.
August 2002
8-3
Resistance Temperature Module (RTM)
CG39-24
Table 8-3 shows the softlist parameters for the RTM Resistance Input channel type.
Table 8–3 RTM Resistance Input Softlist Parameters
PARAMETER
MinRange
MaxRange
MinScale
MaxScale
EngUnits
Bias
Input_Fault_State
DigFiltTimeCnst
StepResponseTime
SELECTION
15 to 1015 Ohms
15 to 1015 Ohms
Any Real Number
Any Real Number
in, ft, mm, cm, m, in3, ft3, bbl, ml, liter, m3, lb, ton, mol, g, kg,
ft/sec, m/sec,ft/sec2, msec2, DegF, DegR, DegC, DegK, psi, psia,
psig, InH2O, InHg, ATM, kPa, kPaa, kPag, mmHg, kg/cm2,
mbar, bar, lb/ft3, g/cm3, kg/m3, mol/m3, ft3/lb, m3/kg, ppm, pH,
PPH, KPPH, t/day, kg/hr, kg/day, gal/min, GPM, GPH, GPD,
ACFM, ACFH, SCCM, SCFH, SCFM, MCFH, yd3/hr, yd3/day,
BPD, gal/hr, gal/day, m3/hr, m3/day, l/min, l/hr, l/day, mV, Volts,
mA, AMPS, Ohms, mhos, W, kW, MW, Btu, Btu/SCF, Btu/lbm,
Btu/hr, hp, bhp, vars, VA, kVA, joules, Percent, pulses, Hz, rpm,
deg, rad, cal, cal/SCF, cal/hr, cal/lbm, kcal, kcal/SCF, kcal/hr,
kcal/lbm
Any Real Number
No_Change, MinRange, MaxRange
0.0 to 159.0 sec.
0.100 to 40.000 sec.
DEFAULT
15.0
1015.0
0.0
100.0
Percent
0.0
MinRange
0.016
1.0
MinRange: MinRange is an optional parameter that allows the user to specify a minimum operating
value in EngUnits. If the reading drops below this value, an underrange error is reported.
MaxRange: MaxRange is an optional parameter that allows the user to specify a maximum operating
value in EngUnits. If the reading goes above this value, an overrange error is reported.
MinScale: The module will linearly scale raw data (ohms) to engineering units for each channel.
The scaling algorithm uses the MinScale/MaxScale and MinRange/MaxRange parameters set by
the user. For example, given a MinScale of 0.0, a MaxScale of 100.0, a MinRange of 0, and a
MaxRange of 1000, if the input to the channel is 500 Ohms, the scaled value will be 50.0.
MinScale can be any REAL number (REAL numbers are valid between -3.4028E38 and +3.4028E38).
MaxScale: MaxScale can be any REAL number.
EngUnits: Engineering units for the scaled value can be selected from a list of common engineering
units.
Bias: The user can enter a bias (in engineering units) on a per channel basis to compensate for known
offsets. The bias value is added to the linearized input.
8-4
August 2002
CG39-24
Resistance Temperature Module (RTM)
Input_Fault_State: If a channel is faulted (Quality is set to “Bad” or “Questionable”), the user can
select to have the module return the actual reading (No_Change), the largest value for the channel
(Maxscale), or the smallest value (Minscale). The default is to return the actual reading.
DigFiltTimeCnst: Digital filtering can be applied to RIC input signals to reduce the effects of electrical
noise. The digital filter is a first-order lag, adjustable for time constants of 0.0159 to 159.0 seconds.
Equivalent breakpoint frequencies are 10.0 to 0.001 Hz. The default value can be increased for noisy
signals.
StepResponseTime: This parameter determines the time for the channel to fully respond to a step input.
A longer StepResponseTime provides more accurate readings. The valid range is between 0.100 and
40.00 seconds.
"
August 2002
8-5
CG39-24
9.0
Standard Analog Input (SAI) Module
Standard Analog Input (SAI) Module
The SAI Module interfaces up to 32 channels of analog input signals from field devices to a control
module's IOBUS.
9.1
SAI Module Scope Parameter
To view/edit the module scope parameter, place the cursor on the desired module in the module tree.
From the Main Menu Bar, select the Edit, Object/Item to open the Hardware Modules dialog box. Press
the Softlist command button to open the Module Scope Softlist dialog box.
Softlist Parameter
ScanRate: This is a read-only parameter that displays the current scan rate of the module. The scan rate
is fixed at 25 msec. The SAI module scans asynchronous to the ACM.
9.2
SAI Channel Type
The SAI Analog In channel type for the SAI Module is described here.
The SAI Analog In channel type returns a REAL variable.
Softlist Parameters
MinScale: The module linearly scales raw data (4-20 mA) to engineering units for each channel. The
scaling algorithm uses the MinScale/MaxScale parameter values that you set. For example, given a
MinScale of 0.0 and a MaxScale of 100.0. If the input to the channel is 12 mA, the scaled value is 50.0.
MinScale can be any REAL number (REAL numbers are valid between -3.4028E38 and +3.4028E38)
MaxScale: MaxScale can be any REAL number.
EngUnits: Engineering units for the scaled value can be selected from a list of common engineering
units.
DigFiltTimeCnst: Digital filtering can be applied to analog input signals to reduce the effects of
electrical noise. The digital filter is a first order lag, adjustable for time constants of 0.0159 to 159.0
seconds (0.0 disables the filter). Equivalent breakpoint frequencies are 10.0 to 0.001 Hz. The default
value can be increased for noisy signals.
Bias: You can enter a bias in engineering units, on a per channel basis, to compensate for known offsets.
The bias value is added to the scaled input.
InputRange: SAI analog input channels are configurable to operate with one of two voltage ranges
ranges:
1-5 Vdc (corresponds to current range 4 - 20 ma) (default)
0-5 Vdc (corresponds to current range 0 - 20 ma)
August 2002
9-1
Standard Analog Input (SAI) Module
CG39-24
OpenCircuitTest: You can enable or disable open circuit testing. An open circuit condition exists if the
reading is < 0.3.6 mA.
XTC_CriticalXMTR: When this parameter is TRUE, the Siemens Model 345 XTC Critical Transmitter
limits are used for over/under range, open/short circuit, and transducer failure indications as defined in the
following table. When this parameter is FALSE, the over/under range is extended to include the
transmitter failure range, so transmitter failure is not reported. This parameter should be set to FALSE for
non-critical transmitters.
Table 9–1 XTC_CriticalXMTR Analog Input Current Range Definitions
CURRENT
RANGE (MA)
>=21.0
>20.5 to <21.0
>20.0 to <20.5
20.0
4.0
>=3.8 to <4.0
>3.6 to <3.8
<=3.6
9-2
XTC_CriticalXMTR=TRUE
Short circuit (or transducer failed high)
Transducer failed high
Over range
MaxScale
MinScale
Under range
Transducer failed (safe) low
Open circuit (or transducer failed low)
XTC_CriticalXMTR=FALSE
Short circuit
Over range
Over range
MaxScale
MinScale
Under Range
Under Range
Open circuit
August 2002
CG39-24
Standard Analog Module (SAM)
10.0 Standard Analog Module (SAM)
The Standard Analog Module (SAM) can interface both analog and discrete I/O signals to the controller’s
IOBUS. The SAM provides 32 channels, each of which can be configured for standard I/O types.
Related signals, such as the I/O for a particular loop, can be grouped together. To isolate field faults, each
channel is electrically isolated from the Module’s CPU, IOBUS, and ground. Also, each channel uses an
isolated 24 V power source, and all channels are current-limited to protect against short circuits.
10.1 SAM Module Scope Parameter
Table 10-1 shows the Module Scope softlist parameter for the SAM:
Table 10–1 SAM Module Scope Parameter
PARAMETER
ScanRate
SELECTIONS
N/A
DEFAULT
N/A
To view/edit the module scope parameters, place the cursor on the desired module in the module tree and
select the Edit, Object/Item menu item. The Hardware Modules dialog box opens. Choose the “Softlist”
command button. The Module Scope Softlist dialog box opens.
ScanRate: This is a read-only parameter that displays the current scan rate of the module. In general, the
scan rate is the same as the scan rate of the ACM, but may be a multiple of the ACM's scan rate.
10.2 SAM Channel Types
The following channel types are supported for the SAM module.
•
•
•
•
SAM Analog In
SAM Analog Out
SAM Disc In
SAM Disc Out
10.2.1 SAM Analog In
The SAM Analog Input (Analog In) channel type returns a real (REAL) variable.
August 2002
10-1
Standard Analog Module (SAM)
CG39-24
Table 10-2 shows the softlist parameters for the SAM Analog In channel type.
Table 10–2 SAM Analog In Softlist Parameters
PARAMETER
MinScale
MaxScale
EngUnits
DigFiltTimeCnst
Bias
OpenCircuitTest
SELECTION
Any Real Number
Any Real Number
in, ft, mm, cm, m, in3, ft3, bbl, ml, liter, m3, lb, ton, mol, g, kg,
ft/sec, m/sec,ft/sec2, msec2, DegF, DegR, DegC, DegK, psi, psia,
psig, InH2O, InHg, ATM, kPa, kPaa, kPag, mmHg, kg/cm2, mbar,
bar, lb/ft3, g/cm3, kg/m3, mol/m3, ft3/lb, m3/kg, ppm, pH, PPH,
KPPH, t/day, kg/hr, kg/day, gal/min, GPM, GPH, GPD, ACFM,
ACFH, SCCM, SCFH, SCFM, MCFH, yd3/hr, yd3/day, BPD,
gal/hr, gal/day, m3/hr, m3/day, l/min, l/hr, l/day, mV, Volts, mA,
AMPS, Ohms, mhos, W, kW, MW, Btu, Btu/SCF, Btu/lbm, Btu/hr,
hp, bhp, vars, VA, kVA, joules, Percent, pulses, Hz, rpm, deg, rad,
cal, cal/SCF, cal/hr, cal/lbm, kcal, kcal/SCF, kcal/hr, kcal/lbm
0.0 to 159.0 sec
Any Real Number
ENABLED, DISABLED
DEFAULT
0.0
100.0
Percent
0.0
0.0
ENABLED
MinScale: The module linearly scales raw data (4-20 mA) to engineering units for each channel. The
scaling algorithm uses the MinScale/MaxScale parameters set by the user. For example, given a
MinScale of 0.0 and a MaxScale of 100.0, if the input to the channel is 12mA, the scaled value is 50.0.
MinScale can be any real (REAL) number (Real numbers are valid between -3.4028E38 and
+3.4028E38.)
MaxScale: MaxScale can be any real (REAL) number.
EngUnits: Engineering units for the scaled value can be selected from a list of common engineering
units.
DigFiltTimeCnst: Digital filtering can be applied to analog input signals to reduce the effects of
electrical noise. The digital filter is a first-order lag, adjustable for time constants of 0.0159 to
159.0 seconds (0.0 disables the filter). Equivalent breakpoint frequencies are 10.0 to 0.001 Hz.
The default value can be increased for noisy signals.
10-2
August 2002
CG39-24
Standard Analog Module (SAM)
Figure 10-1 shows the step release time of the digital filter.
Step Response Time of Digital Filter
Scan Rate = 100ms T (DigFiltTimeCnst) = 1.0 sec.
20
15
mA
14 (63%)
Filter Input
Filter Output
10
5
0
0
1
T
2
3
4
5
6
7
Time (seconds)
Figure 10–1 Step Time Response of Digital Filter
Bias: The user can enter a bias (in engineering units) on a per channel basis to compensate for known
offsets. The bias value is added to the scaled input.
OpenCircuitTest: The user can enable or disable open circuit testing. An open circuit condition exists if
the reading is < 0.2mA.
10.2.2 SAM Analog Out
The SAM Analog Output (Analog Out) channel type accepts a REAL variable.
August 2002
10-3
Standard Analog Module (SAM)
CG39-24
Table 10-3 shows the softlist parameters for the SAM Analog Out channel type.
Table 10–3 SAM Analog Out Softlist Parameters
PARAMETER
OutputRange
MinScale
MaxScale
EngUnits
IOBUSFault
PresetValue
FailSafe
Bias
ReadBack
SELECTION
mA_4to20, mA_0to20
Any Real Number
Any Real Number
in, ft, mm, cm, m, in3, ft3, bbl, ml, liter, m3, lb, ton, mol, g, kg, ft/sec,
m/sec,ft/sec2, msec2, DegF, DegR, DegC, DegK, psi, psia, psig,
InH2O, InHg, ATM, kPa, kPaa, kPag, mmHg, kg/cm2, mbar, bar,
lb/ft3, g/cm3, kg/m3, mol/m3, ft3/lb, m3/kg, ppm, pH, PPH, KPPH,
t/day, kg/hr, kg/day, gal/min, GPM, GPH, GPD, ACFM, ACFH,
SCCM, SCFH, SCFM, MCFH, yd3/hr, yd3/day, BPD, gal/hr, gal/day,
m3/hr, m3/day, l/min, l/hr, l/day, mV, Volts, mA, AMPS, Ohms, mhos,
W, kW, MW, Btu, Btu/SCF, Btu/lbm, Btu/hr, hp, bhp, vars, VA, kVA,
joules, Percent, pulses, Hz, rpm, deg, rad, cal, cal/SCF, cal/hr, cal/lbm,
kcal, kcal/SCF, kcal/hr, kcal/lbm
OFF, HOLD_LAST_STATE, PRESET_VALUE
%
ENABLED, DISABLED
Any Real Number
ENABLED, DISABLED
DEFAULT
mA_4to20
0.0
100.0
Percent
OFF
0.0
DISABLED
0.0
ENABLED
OutputRange: SAM Analog Output channels are configurable to operate with two current ranges:
•
•
4-20mA
0-20mA
MinScale: The module performs a linear conversion from engineering units to the selected OuputRange
for each channel. The scaling algorithm uses the MinScale/MaxScale and OutputRange parameters set by
the user. For example, given a MinScale of 0.0, a MaxScale of 100.0 and an OutputRange of 4-20mA, if
the value written to the SAM Analog Output Channel is 50, the module outputs 12mA.
MinScale can be any real (REAL) number (Real numbers are valid between -3.4028E38 and
+3.4028E38).
MaxScale: MaxScale can be any Real number.
EngUnits: Engineering units for the scaled value can be selected from a list of common
engineering units.
10-4
August 2002
CG39-24
Standard Analog Module (SAM)
IOBUSFault: Each analog output can be configured to respond to an IOBUS fault (loss of
communications with the controller) in a particular manner. The available fault states are:
•
•
•
OFF
HOLD_LAST_STATE
PresetValue
Output is turned off (0 mA)
Output holds its last value
Output goes to the value specified by the PresetValue parameter.
NOTE
All channels power up in the OFF state.
PresetValue:. Percent (0.0 to 100.0%) of Scale. This parameter need only be specified when
IOBUSFault is specified as “Preset_Value.”
FailSafe: Each output can be configured to turn off (0 mA = -25%) all of the SAM s outputs in
the event that diagnostics determine that the output current is greater than it is intended to be by
9% or more. You may wish to configure an output as FailSafe, which is critical to the process or
may present a hazard to personnel or equipment.
Bias: The user can enter a bias (in engineering units) on a per channel basis to compensate for known
offsets. The bias value is added to the scaled output.
ReadBack: The state of an output channel is automatically “read back” by input circuitry on the same
channel. The Readback is used to diagnose and report faults. The user can disable Readback, which will
in turn disable reporting of Readback-related faults (Open Circuit, Readback Lower than Output,
Readback > Output, Readback > Output on Critical Channel).
10.2.3 SAM Disc In
The SAM Discrete Input (Disc In) channel type returns a boolean (BOOL) variable.
Table 10-4 shows the softlist parameters for the SAM Disc Input channel type.
Table 10–4 SAM Discrete Input Softlist Parameters
PARAMETER
MinOnStatePct
MaxOffStatePct
SELECTION
0.0 to 100.0
0.0 to 100.0
DEFAULT
80.0
20.0
MinOnStatePct: The reading is automatically scaled from 0-10 mA to 0-100%. A scaled
reading greater than or equal to MinOnStatePct reports a boolean TRUE to the controller.
MaxOffStatePct: The reading is automatically scaled from 0-10 mA to 0-100%. A reading less
than or equal to MaxOffStatePct reports a boolean FALSE to the controller.
August 2002
10-5
Standard Analog Module (SAM)
CG39-24
10.2.4 SAM Disc Out
The SAM Discrete Output (Disc Out) channel type accepts a boolean (BOOL) variable.
Table 10-5 shows the softlist parameters for the SAM Disc Output channel type.
Table 10–5 SAM Discrete Output Softlist Parameters
PARAMETER
IOBUSFault
FailSafe
ReadBack
SELECTION
OFF, ON,
HOLD_LAST_STATE
ENABLED, DISABLED
ENABLED, DISABLED
DEFAULT
OFF
DISABLED
ENABLED
IOBUSFault: Each SAM Disc Output channel can be configured to respond to an IOBUS fault
(loss of communications with the controller) in a particular manner. The available fault states
are:
•
•
•
OFF
ON
HOLD_LAST_STATE
Output is turned off (0 mA)
Output is turned on (100%) (23mA)
Output holds its last value
NOTE
All channels power up in the OFF state.
FailSafe: Each output can be configured to turn Off (0mA) all of the SAM’s outputs in the event
that diagnostics determine that the output current is greater that it is intended to be by 9% or
more. You may wish to configure an output as FailSafe that is critical to the process, or which
may present a hazard to personnel or equipment.
ReadBack: The state of an output channel is automatically “read back” by input circuitry on the
same channel. The Readback is used to diagnose and report faults. The user can disable
Readback, which in turn disables reporting of Readback-related faults (Readback Lower than
Output, Readback > Output, Readback > Output on Critical Channel).
"
10-6
August 2002
CG39-24
Standard Discrete Module (SDM)
11.0 Standard Discrete Module (SDM)
The Standard Discrete Module (SDM) interfaces discrete DC sensors and actuators with the APACS+
controller’s IOBUS. The SDM provides 32 channels, each of which can be configured to be an input,
output, or pulse output. The SDM’s inputs are current sinking (i.e. the input device is wired between the
power supply positive (+) and the I/O terminal). Outputs are sourced (i.e. the output device is wired
between the output terminal and the power supply common). A pulsed output is an output channel that is
“ON” for a user-defined duration (within the range of 10 to 2000 msec).
All input and output circuits are electrically isolated from the SDM’s CPU, IOBUS, and ground. In
addition, each output is individually fused with a replaceable miniature fuse. This protects the output
channel from a short circuit in the field wiring and prevents the short circuit from affecting other channels
on the module.
11.1 SDM Module Scope Parameter
Table 11-1 shows the Module Scope softlist parameter for the SDM:
Table 11–1 SDM Module Scope Parameter
PARAMETER
ScanRate
SELECTION
NA
DEFAULT
NA
To view/edit the module scope parameters, place the cursor on the desired module in the module tree and
select the Edit, Object/Item menu item. The Hardware Modules dialog box opens. Choose the “Softlist”
command button. The Module Scope Softlist dialog box opens.
ScanRate: This is a read-only parameter that displays the current scan rate of the module.
11.2 SDM Channel Types
The following channel types are supported for the SDM module:
•
•
•
SDM Disc In
SDM Disc Out
SDM Pulse Out
11.2.1 SDM Disc In
The SDM Discrete Input (Disc In) channel returns a boolean (BOOL) variable. There are no softlist
parameters for the Disc In channel.
August 2002
11-1
Standard Discrete Module (SDM)
CG39-24
11.2.2 SDM Disc Out
The SDM Discrete Output (Disc Out) channel type accepts a boolean (BOOL) variable.
Table 11-2 shows the softlist parameters for the SDM Discrete Output channel type.
Table 11–2 SDM Discrete Output Softlist Parameters
PARAMETER
IOBUSFault
FailSafe
Readback
SELECTION
OFF, ON, HOLD_LAST_STATE
ENABLED, DISABLED
ENABLED, DISABLED
DEFAULT
OFF
DISABLED
ENABLED
IOBUSFault: Each output can be configured to respond to an IOBUS fault (loss of
communications with the controller) in a particular manner. The available fault states are:
OFF
ON
HOLD_LAST_STATE
Output is turned off.
Output is turned on.
Output holds its last value.
NOTE
All channels power up in the OFF state.
FailSafe: Each output can be configured to turn off all module outputs in the event that a channel
is intended to be off, but diagnostics have determined that it is on. The user may wish to
configure an output as FailSafe that is critical to the process or that may present a hazard to
personnel or equipment.
Readback: The state of an output channel is automatically “read back” by input circuitry on the
same channel. Readback is used to diagnose and report faults. The user can disable Readback
which will, in turn, disable reporting of Readback-related faults (Output Channel failed ON,
Output Channel failed OFF, Critical Channel failed ON).
11.2.3 SDM Disc Pulse Out
The SDM Discrete Pulse Output (Disc Pulse Out) channel type accepts a boolean (BOOL)
variable.
The Disc Pulse Out channel type turns on its assigned output for a pre-determined time period
(the resolution of the pulse output is ∀10 ms, accurate to within ∀2 ms). The time period is
established by the Duration softlist parameter and can be set between 10 ms and 2,000 ms.
When the boolean output value sent from the ACM to the SDM module transitions from FALSE
to TRUE, the corresponding output turns on for the specified duration. Once the output has been
triggered, it can be re-triggered before the end of the pulse duration.
11-2
August 2002
CG39-24
Standard Discrete Module (SDM)
Configuring a Disc Pulse Out channel type causes the module to change its method of scanning
from synchronous to asynchronous. When the SDM is scanning asynchronously, it writes its
outputs and reads its inputs every 10 ms, regardless of the ACM scan rate. This fixed 10 ms scan
rate allows the SDM to change the state of its outputs every 10 ms.
The following timing diagram shows the output value being sent from the ACM to the SDM. In
this example, the ACM scan rate is set to 20 ms; therefore, the ACM can only change the state of
the output every 20 ms. The SDM output is configured as a Disc Pulse Out Channel with a
duration of 50 ms. Figure 10-1 shows how a FALSE-to-TRUE transition of the ACM output
triggers a pulse output. The figure also illustrates that once a pulse output has been triggered, it
can be re-triggered before the end of the pulse duration.
ACM output
(Scan - 20ms)
SDM output
(Duration = 50ms)
20ms
50ms
50ms
00001138
Figure 11–1 SDM Discrete Pulse Output Timing Diagram
Table 11-3 shows the softlist parameters for the SDM Discrete Output Pulse channel type.
Table 11–3 SDM Discrete Output Softlist Parameters
PARAMETER
Duration
Readback
SELECTION
10 to 2000 ms
ENABLED, DISABLED
DEFAULT
20 ms
DISABLED
Duration: The duration of a pulse output channel can be specified between 10ms and 200ms. Since the
resolution of the pulse output is ±10ms, duration values will be rounded to the nearest 10ms. For
example, if the duration specified is 13ms, the actual pulse will be 10ms long. Likewise, if the duration
specified is 18ms, the actual pulse will be 20ms long.
Readback: The state of an output channel is automatically "read back" by input circuitry on the
same channel. The readback is used to diagnose and report faults. The user can disable readback
which will in turn disable reporting of readback related faults (Output Channel failed ON, Output
Channel failed OFF).
"
August 2002
11-3
Standard Discrete Module (SDM)
CG39-24
!Notes
11-4
August 2002
CG39-24
Standard Discrete Module Plus (SDM+)
12.0 Standard Discrete Module Plus (SDM+)
The Standard Discrete Module Plus (SDM+) interfaces discrete DC sensors and actuators with the
APACS+ control module's IOBUS. The SDM+ provides 32 channels, each of which can be configured to
be an input, output, or pulse output. The SDM+’s inputs are current sinking (i.e. the input device is wired
between the power supply positive (+) and the I/O terminal). Outputs are sourced (i.e. the output device
is wired between the output terminal and the power supply common). A pulsed output is an output
channel that is “ON” for a user-defined duration (within the range of 10 to 2000 msec).
Two Sequence Of Event (SOE) channel types are provided for recording events that can be collected by
Sequence Of Events Recorder function blocks. The data is intended for recording SDM+ I/O channel
state changes. This information can then be used for optimizing process operations or for troubleshooting
purposes, such as determining the sequence of events that led to specific alarm conditions.
All input and output circuits are electrically isolated from the SDM+’s CPU, IOBUS, and ground. In
addition, softfuse circuits protect the output channels from short circuits and can be reset locally or
remotely.
12.1 SDM+ Module Scope Parameter
Table 12-1 shows the Module Scope softlist parameter for the SDM+:
Table 12–1 SDM+ Module Scope Parameter
PARAMETER
ScanRate
SELECTION
NA
DEFAULT
NA
To view/edit the module scope parameters, place the cursor on the desired module in the module tree and
select the Edit, Object/Item menu item. The Hardware Modules dialog box opens. Choose the “Softlist”
command button. The Module Scope softlist dialog box opens.
ScanRate: This is a read-only parameter that displays the current scan rate of the module.
12.2 SDM+ Channel Types
The following channel types are supported for the SDM+ module:
•
•
•
•
•
Disc In
Disc Out
Pulse Out
SOE Disc In
SOE Disc Out
August 2002
12-1
Standard Discrete Module Plus (SDM+)
CG39-24
12.2.1 SDM+ Disc In
The Discrete Input (Disc In) channel type returns a boolean (BOOL) variable. Table 12-2 shows the Disc
In softlist parameter for the SDM+:
Table 12–2 SDM+ Disc In Softlist Parameter
PARAMETER
InputFaultState
SELECTION
TRUE, FALSE
DEFAULT
FALSE
InputFaultState: When an input channel has a hardware failure that makes the channel value impossible
to discern, the channel will report the value configured in this softlist parameter.
12.2.2 SDM+ Disc Out
The Disc Out channel type accepts a BOOL variable. Table 12-3 lists the softlist parameters for the
SDM+ Discrete Output channel type.
Table 12–3 SDM+ Disc Out Softlist Parameters
PARAMETER
IOBUSFault
FailSafe
Readback
SELECTION
OFF, ON, HOLD_LAST_STATE
ENABLED, DISABLED
ENABLED, DISABLED
DEFAULT
OFF
DISABLED
ENABLED
IOBUSFault: Each output can be configured to respond to an IOBUS fault (loss of communications with
the controller) in a particular manner. The available fault states are:
•
•
•
OFF
ON
HOLD_LAST_STATE
Output is turned off.
Output is turned on.
Output holds its last value.
NOTE
All channels power up in the OFF state.
FailSafe: Each output can be configured to turn off all module outputs in the event that a channel is
intended to be off, but diagnostics have determined that it is on. The user may wish to configure an
output as FailSafe that is critical to the process or that may present a hazard to personnel or equipment.
Readback: The state of an output channel is automatically “read back” by input circuitry on the same
channel. Readback is used to diagnose and report faults. The user can disable Readback, which in turn
disables reporting of Readback-related faults (Output Channel failed ON, Output Channel failed OFF,
Critical Channel failed ON).
12-2
August 2002
CG39-24
Standard Discrete Module Plus (SDM+)
12.2.3 SDM+ Disc Pulse Out
The SDM+ Discrete Pulse Output (Disc Pulse Out) channel type accepts a boolean (BOOL) variable.
The Disc Pulse Out channel type turns on its assigned output for a pre-determined time period (the
resolution of the pulse output is ∀10 ms, accurate to within ∀2 ms). The time period is established by the
Duration softlist parameter and can be set between 10 ms and 2,000 ms.
When the boolean output value sent from the ACM to the SDM+ module transitions from FALSE to
TRUE, the corresponding output turns on for the specified duration. Once the output has been triggered,
it can be re-triggered before the end of the pulse duration.
Configuring a Disc Pulse Out channel type causes the module to change its method of scanning from
synchronous to asynchronous. When the SDM+ is scanning asynchronously, it writes its outputs and
reads its inputs every 10 ms, regardless of the ACM scan rate. This fixed 10 ms scan rate allows the
SDM+ to change the state of its outputs every 10 ms.
The following timing diagram shows the output value being sent from the ACM to the SDM+. In this
example, the ACM scan rate is set to 20 ms; therefore, the ACM can only change the state of the output
every 20 ms. The SDM+ output is configured as a Disc Pulse Out channel with a duration of 50 ms.
Figure 11-1 shows how a FALSE-to-TRUE transition of the ACM output triggers a pulse output. The
figure also illustrates that once a pulse output has been triggered, it can be re-triggered before the end of
the pulse duration.
ACM output
(Scan - 20ms)
20ms
SDM output
(Duration = 50ms)
50ms
50ms
00001138
Figure 12–1 SDM+ Discrete Pulse Output Timing Diagram
Table 12-4 lists the softlist parameters for the SDM+ Discrete Output Pulse channel type.
Table 12–4 SDM+ Disc Pulse Out Softlist Parameters
PARAMETER
Duration
Readback
August 2002
SELECTION
10 to 2000 ms
ENABLED, DISABLED
DEFAULT
20 ms
ENABLED
12-3
Standard Discrete Module Plus (SDM+)
CG39-24
Duration: The duration of a pulse output channel can be specified between 10 ms and 200 ms. Because
the resolution of the pulse output is ∀10 ms, duration values are rounded to the nearest 10 ms. For
example, if the duration specified is 13 ms, the actual pulse is 10 ms long. Similarly, if the duration
specified is 18 ms, the actual pulse is 20 ms long.
Readback: The state of an output channel is automatically read back by input circuitry on the same
channel. Readback is used to diagnose and report faults. The user can disable Readback, which in turn
disables reporting of Readback-related faults (Output Channel failed ON, Output Channel failed OFF).
12.2.4 SDM+ SOE Disc In
The SDM+ Sequence of Events (SOE) Discrete Input (Disc In) channel type returns SOE information.
Table 12-5 lists SOE Disc In softlist parameters for the SDM+:
Table 12–5 SDM+ SOE Disc In Softlist Parameters
PARAMETER
InputFaultState
Description
EventPriority
AlarmState
SELECTIONS
TRUE, FALSE
28 Character String
1,2,3, or 4
TRUE, FALSE
DEFAULT
FALSE
‘’ (null string)
1
FALSE
InputFaultState: When an input channel has a hardware failure that makes the channel value impossible
to discern, the channel reports the value configured in this softlist parameter.
Description: This is a description, up to 28 characters, of the channel that is configured to be monitored
by the Sequence Of Events Recorder (SOER) block. The description is formatted as a String data type and
is inserted as a substring within the Events string of the SOER block.
Event Priority: This data is used for establishing an event s priority. Set a channel’s priority from 1
(highest) to 4 (lowest). This priority value can then be used to sort events, as in the case of formattting
them for viewing. This priority value is inserted within the Events string of the SOER block.
AlarmState: This parameter is used to establish the alarm state of the channel. Choose either state,
TRUE or FALSE, that represents an alarm condition. For example, if you set this parameter to TRUE,
the channel is said to be in Alarm when the channel s value toggles from FALSE to TRUE. This also
inserts an “A” character in the last character position in the Events string of the SOER block. Normally,
this character is an “N” character (No alarm).
12.2.5 SDM+ SOE Disc Out
The SDM+ SOE Discrete Output (Disc Out) channel type returns SOE information. Table 12-6 lists SOE
Disc Out softlist parameters for the SDM+:
12-4
August 2002
CG39-24
Standard Discrete Module Plus (SDM+)
Table 12–6 SDM+ SOE Disc Out Softlist Parameters
PARAMETER
IOBUSFault
FailSafe
Readback
Description
EventPriority
AlarmState
SELECTION
OFF, ON, HOLD_LAST_STATE
ENABLED, DISABLED
ENABLED, DISABLED
28-character string
1, 2, 3, or 4
TRUE, FALSE
DEFAULT
OFF
DISABLED
ENABLED
‘’ (null string)
1
FALSE
IOBUSFault: Each output can be configured to respond to an IOBUS fault (loss of communications with
the controller) in a particular manner. The available fault states are:
OFF
ON
HOLD_LAST_STATE
Output is turned off.
Output is turned on.
Output holds its last value.
NOTE
All channels power up in the OFF state.
FailSafe: Each output can be configured to turn off all module outputs in the event that a channel is
intended to be off, but diagnostics have determined that it is on. The user may wish to configure an
output as FailSafe that is critical to the process or that may present a hazard to personnel or equipment.
Readback: The state of an output channel is automatically “read back” by input circuitry on the same
channel. Readback is used to diagnose and report faults. The user can disable Readback, which in turn
disables reporting of Readback-related faults (Output Channel failed ON, Output Channel failed OFF,
Critical Channel failed ON).
Description: This is a description, up to 28 characters, of the channel that is configured to be monitored
by the Sequence Of Events Recorder (SOER) block. The description is formatted as a String data type and
is inserted as a substring within the Events string of the SOER block.
Event Priority: This data is used for establishing an event s priority. Set a channel’s priority from 1
(highest) to 4 (lowest) to sort events, as in the case of formatting them for viewing. This priority value is
inserted within the Events string of the SOER block.
AlarmState: This parameter is used to establish the alarm state of the channel. Choose either state,
TRUE or FALSE, to represent an alarm condition. For example, if you set this parameter to TRUE, the
channel is said to be in Alarm when the channel’s value toggles from FALSE to TRUE. This also inserts
an “A” character in the last character position in the Events string of the SOER block. Normally, this
character is an “N” character (No alarm).
"
August 2002
12-5
Standard Discrete Module Plus (SDM+)
CG39-24
!Notes
12-6
August 2002
CG39-24
Voltage Input Module (VIM)
13.0 Voltage Input Module (VIM)
The Voltage Input Module (VIM) interfaces thermocouple and voltage input signals to the control
module’s IOBUS. The VIM provides 16 channels, each of which can be configured to be a thermocouple
or voltage input. The VIM can accommodate many input types with minimal configuration and high
accuracy. Each input is electrically isolated from the module’s CPU, IOBUS, and ground to isolate field
faults. In addition, each channel is isolated from other channels.
13.1 VIM Module Scope Parameters
Table 13-1 lists the Module Scope softlist parameters for the VIM.
Table 13–1 VIM Module Scope Parameters
PARAMETER
ScanRate
LineFreq
SharedTC
SELECTION
NA
50 Hz, 60 Hz
YES, NO
DEFAULT
NA
60 Hz
YES
To view/edit the module scope parameters, place the cursor on the desired module in the module tree and
select the Edit, Object/Item menu item. The Hardware Modules dialog box opens. Choose the “Softlist”
command button. The Module Scope Softlist dialog box opens.
ScanRate: This is a read-only parameter that displays the current scan rate of the module. In general, the
scan rate is the same as the scan rate of the ACM, but may be a multiple of the ACM's scan rate.
LineFreq: The module software utilizes a notch filter to reduce noise from AC power sources.
Specifying the line frequency of AC power optimizes the filtering algorithm.
SharedTC: This parameter only applies when using VIMs in a redundant system. Often one
thermocouple is wired to both the primary and the backup VIM. If this is the wiring arrangement for the
VIM being configured, specify SharedTC to be YES. If each VIM has its own thermocouples, then
SharedTC should be NO. For non-redundant VIM's, specify the default (NO).
13.2 VIM Channel Types
The following channel types are supported for the VIM module:
•
•
VIM TIC - Thermocouple Input
VIM VIC - Voltage Input
August 2002
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Voltage Input Module (VIM)
CG39-24
13.2.1 VIM TIC - Thermocouple Input Channel
The VIM Thermocouple Input Channel (TIC) type returns a real (REAL) variable.
Table 13-2 shows the softlist parameters for the VIM Thermocouple Input channel type.
Table 13–2 VIM Thermocouple Input Channel Softlist Parameters
PARAMETER
TCType
EngUnits
StepResponseTime
Bias
MinRange
MaxRange
Scale_To_Percent
Burnout
DigFiltTimeCnst
SELECTION
B, E, J, K, N1, R, S, T, N2
DegºF, DegºC, DegºK, DegºR
0.100 to 40.0
Any Real Number
Any Real Number
Any Real Number
YES, NO
DISABLE, UP, DOWN
0.0 to 159.0 sec
DEFAULT
J
DegºC
1.0
0.0
Min. range of TC type selected.
Max. range of TC type selected.
NO
DISABLE
0.016 sec
TCType: This parameter specifies the type of thermocouple used (i.e. B, E, J, K, N1, R, S, T, N2)
the default is type J.
EngUnits: The user can select from the following engineering units: DegºF, DegºC, DegºK,
DegºR.
Bias: A bias value can be entered to adjust for any known offset (usually due to thermocouple
aging). The bias value can be any real number and is added to the scaled thermocouple reading.
MinRange: MinRange is an optional parameter that allows the user to specify a minimum
operating value in EngUnits. If the reading drops below this value, an underrange error is
reported. The MinRange can be any real number.
MaxRange: MaxRange is an optional parameter that allows the user to specify a maximum
operating value in EngUnits. If the reading goes above this value, an overrange error is reported.
The MaxRange can be any real number.
Scale_To_Percent: This is a Boolean softlist parameter whose default value is FALSE.
Burnout: The user can specify burnout detection or open circuit detection for a thermocouple:
DISABLE No burnout or open circuit detection
UP
Return maximum operating value for TIC type selected
DOWN
Return minimum operating value for TIC type selected
13-2
August 2002
CG39-24
Voltage Input Module (VIM)
DigFiltTimeCnst: Digital filtering can be applied to thermocouple input signals to reduce the effects of
electrical noise. The digital filter is a first-order lag, adjustable for time constants of 0.0159 to 159.0
seconds. Equivalent breakpoint frequencies are 10.0 to 0.001 Hz. The default value can be increased for
noisy signals.
StepResponseTime: This parameter determines the time for the channel to fully respond to a step input.
A longer StepResponseTime provides higher resolution and better repeatability of the signal.
12.2.2 VIM VIC - Voltage Input
The VIM Voltage Input Channel (VIC) type returns a real (REAL) variable.
Table 13-3 lists the softlist parameters for the VIM Voltage Input channel type.
Table 13–3 VIM Voltage Input Softlist Parameters
PARAMETER
InputRange
Custom_Range_Low
Custom_Range_High
MinScale
MaxScale
EngUnits
StepResponseTime
DigFiltTimeCnst
SELECTION
VDC1to5, VDC0to5, VDCNeg10to10, VDCNeg5to5,
VDCNeg1to1,
Custom
-10 to 10
-10 to 10
Any Real Number
Any Real Number
in, ft, mm, cm, m, in3, ft3, bbl, ml, liter, m3, lb, ton, mol, g, kg,
ft/sec, m/sec,ft/sec2, msec2, DegF, DegR, DegC, DegK, psi, psia,
psig, InH2O, InHg, ATM, kPa, kPaa, kPag, mmHg, kg/cm2, mbar,
bar, lb/ft3, g/cm3, kg/m3, mol/m3, ft3/lb, m3/kg, ppm, pH, PPH,
KPPH, t/day, kg/hr, kg/day, gal/min, GPM, GPH, GPD, ACFM,
ACFH, SCCM, SCFH, SCFM, MCFH, yd3/hr, yd3/day, BPD,
gal/hr, gal/day, m3/hr, m3/day, l/min, l/hr, l/day, mV, Volts, mA,
AMPS, Ohms, mhos, W, kW, MW, Btu, Btu/SCF, Btu/lbm,
Btu/hr, hp, bhp, vars, VA, kVA, joules, Percent, pulses, Hz, rpm,
deg, rad, cal, cal/SCF, cal/hr, cal/lbm, kcal, kcal/SCF, kcal/hr,
kcal/lbm
0.050 to 2.000 sec.
0.0 to 159.0 sec.
DEFAULT
VDC1to5
0
0
0.0
100.0
Percent
1.0
0.016
InputRange: VIC channels are able to read any voltage between -10 and +10. The module
utilizes auto-ranging circuitry to provide high resolution even at millivolt levels. For scaling and
diagnostic purposes, the range of values being measured by the channel must be specified.
Several standard ranges are selectable from a list, or, a custom range can be selected by
specifying "Custom" for the InputRange and editing Custom_Range_Low and
Custom_Range_High values.
August 2002
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Voltage Input Module (VIM)
CG39-24
Custom_Range_Low: This is an optional parameter that allows the user to specify a minimum
input range in volts. If the reading drops below this value, an underrange error is reported. This
parameter is only used when InputRange is specified as “custom.”
Custom_Range_High: This is an optional parameter that allows the user to specify a maximum
input range in volts. If the reading goes above this value, an underrange error is reported. This
parameter is only used when InputRange is specified as “custom.”
MinScale: The module will linearly scale raw data (volts) to engineering units for each channel.
The scaling algorithm uses the MinScale/MaxScale parameters set by the user. For example,
given a MinScale of 0.0, a MaxScale of 100.0, and an InputRange of 1-5 volts, if the input to the
channel is 3 volts, the scaled value will be 50.0. MinScale can be any real number (REAL
numbers are valid between -3.4028E38 and +3.4028E38.).
MaxScale: MaxScale can be any real (REAL) number.
EngUnits: Engineering units for the scaled value can be selected from a list of common
engineering units.
DigFiltTimeCnst: This parameter sets the time constant of a low-pass digital filter applied to the
input data. This filter reduces non-repetitive noise from the input data and can be disabled by
setting this parameter to 0.0.
StepResponseTime: This parameter sets the length of a moving-average digital filter applied to the input
data. StepResponseTime determines the time to fully respond to an input step. Increasing this parameter
reduces periodic or repetitive noise and improves repeatability and resolution. The recommended setting
for this parameter is between 0.5 and 4.0 seconds.
"
13-4
August 2002
CG39-24
PROFIBUS Fieldbus Module (PFM)
14.0 PROFIBUS Fieldbus Module (PFM)
The PROFIBUS Fieldbus Module (PFM) creates a seamless interface between an APACS+ control
system and PROFIBUS DP (Decentralized Periphery) devices. This interface maps PROFIBUS devices
to I/O channels in an APACS+ environment, extending the domain of ProcessSuite process automation
software, including the R4 Framework, an advanced HMI (human-machine interface). The PFM makes it
possible for control architectures to include proven APACS+ hardware and software as well as third-party
PROFIBUS field devices.
14.1 PFM Channel Types
In the PFM, channel types refers to 4-mation I/O channels. PROFIBUS data types refers to data and data
structures defined by PROFIBUS specifications. Channels in parentheses (X) are default mappings. If in
4-mation you define a channel as an analog input, for example, the default PROFIBUS data structure is a
DP Float (DP floating point value).
Table 14–1 Data to Channel Type Mapping
PROFIBUS Data
Types
PA BOOLEAN
DP BOOLEAN
DP UINT8
DP UINT16
DP UINT32
DP INT8
DP INT16
DP INT32
DP Float
PA Float
PFM Channel Types
Analog Analog BOOLEAN BOOLEAN
Packed
In
out
In
Out
Discrete
In
X
X
X
(X)
X
X
X
X
X
X
(X)
X
X
X
X
X
(X)
X
X
X
(X)
X
(X)
X
Packed
Discrete
Out
(X)
X
14.2 PFM Module Scope
To examine the softlist parameters that apply to the entire module:
1.
2.
3.
4.
5.
In 4-mation, open the application and display the module tree.
Select the PFM module.
Select Edit > Object/Item.
Select PFM1
Select Softlist…
A window displays the softlist parameters for the module.
August 2002
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PROFIBUS Fieldbus Module (PFM)
CG39-24
ProfiBitRateKbps—a read-only softlist parameter that corresponds to DP baud rate and is given in kbps
(default: 1500.0 kbps)
The remaining parameters are reserved for future use.
14.3 PFM I/O Channel Softlist Parameters
I/O channel softlist parameters enable 4-mation to translate between raw binary field I/O and three
supported 4-mation channel types:
•
Boolean
•
Packed Discrete
•
Analog
Softlist parameters vary according to the channel type.
DP_Slave_Addr—default is 126, which must be changed to the PROFIBUS address assigned to the
device. All the APACS+ channels mapped to a multichannel PROFIBUS device have the same
DP_Slave_Addr.
Byte_Offset—The Byte_Offset is the distance in bytes between the beginning of an input or output data
block in the PFM and the first byte of the channel of interest.
The procedures for determining the Byte_Offset for input channels and for output channels are
based upon similar underlying principles. For each of its DP slaves, the PFM allocates an input
block and output block in its memory.
A DP device presents its inputs to the PFM in an unstructured I/O string not longer than 244
bytes. The PFM extracts input data from the string and stores it in its input block it has allocated
for the device. The block is uniquely identified by the DP slave address of the device that
provides the data. The location and length of individual channel data in the block is determined
by three softlist parameters: DP slave address of the DP device, the PROFIBUS data type, and the
Byte_Offset. For input channels, the Byte_Offset points to the first byte of the channel’s data in
the PFM input block for the device. For output channels, the Byte_Offset points to the first byte
of a channel’s output data in the output block.
Determining the byte offset so that you can set a channel’s softlist parameters requires an
understanding of the device supplying or receiving data.
In the following illustration, an ET200M, a DP slave that connects with a variety of multichannel
I/O modules, has a PROFIBUS DP address of 9. The ET200M is connected to three modules, a 4
channel analog input module (4AI), a 4 channel analog output module (4AO), and another 4
channel input module (4AI). The data type for the analog channels is signed 16-bit integer (each
channel is 2 bytes long). Given the DP address of the module and the PROFIBUS data type, the
Byte_Offset parameter identifies the beginning of individual channel data in the PFM block. As
this illustration shows, the PFM block for input channels is separate and distinct from the PFM
14-2
August 2002
CG39-24
PROFIBUS Fieldbus Module (PFM)
block for output channels. Note, too, that although the input modules are not contiguous, there are
no gaps in the input data block.
Byte_Offset
0
DP
2
4
6
8
10 12 14
1 Analog output module
Signed 16 bit integers
(2 bytes each channel)
9
ET200M
0
2
4AI
4
4AO
4AI
2 Analog input modules
Signed 16 bit integers
(2 bytes each channel)
6 8 10 12 14
Byte_Offset
Figure 14–1 Byte_Offset for Typical Input and Output Block
A DP/PA link is another common DP device that sends and receives an I/O string. In the case of
the DP/PA link, downstream PA devices supply or receive the I/O data.
In the case of PA devices connected to the PFM through a DP/PA link, the PA input device with
the lowest PROFIBUS address has its data stored in the input block of the PFM at Byte_Offset 0.
The next PA input device on the bus, in order of ascending PROFIBUS address, has a
Byte_Offset equal to the bytes used by the first device. The third input device has a Byte_Offset
equal to the bytes used by the first two devices, and so forth. Byte_Offset for output devices is
calculated in the same way.
In the illustration below, the DP/PA link device has a PROFIBUS address of 11. The addresses
of the PA devices (5, 7, and 8) must be unique to their PA bus, and there may be gaps. In the
illustration, the data type of each PA device is a PA floating point structure, which consists of 4
bytes of data and 1 byte of status per channel. The Byte_Offset for the channel associated with
the PA address 5 is 0, the Byte_Offset of device with address 7 is 5, and the Byte_Offset of the
device with address 8 is 10. See Figure 14–2
DP
3 PA Inputs
PA floating point structures
(4 bytes data + 1 byte status)
11
DP/PA
PA
5
0
7
5
8
10
Byte_Offset
August 2002
14-3
PROFIBUS Fieldbus Module (PFM)
CG39-24
Figure 14–2 Byte_Offset for Typical Input String
Input and output data blocks in the PFM are distinct and independent of one another. The
Byte_Offset for an input channel is thus independent of the Byte_Offset for an output channel.
The COM PROFIBUS program provides a useful tool for determining or confirming
Byte_Offset:
1. With the PROFIBUS network configured through COM PROFIBUS and Simatic PDM, open
COM PROFIBUS and either open the current configuration or import it from the DP master
2. Select the DP/PA link.
3. From the menu bar select Services > Observe/Control/Inputs/Outputs.
The resulting display shows the current value in bytes of PA devices connected to the DP/PA
link. You can count the bytes of input or output preceding a device of interest to determine the
device’s Byte_Offset. Keep in mind that the data stream from a PA device includes one byte of
status per channel. The illustration below shows data input from two PA floating point devices,
both providing four bytes in data and one byte of status (for example, 80 hex).
In the example, the PROFIBUS PA address of the first device is 5, so the device is located in
position 2 (if its PROFIBUS address were 3, the lowest permissible address for a PA device
connected to a DP/PA link, the device would be located in position 0 ). The Byte_Offset of the
input channel of the first device, regardless of its address, is always 0.
The Byte_Offset of the input channel of the next device (in position 3) is 5, which is the number
of input bytes preceding it. If there were a device in position 4, the Byte_Offset for its input
channel would be 10, again determined simply by counting the preceding input bytes. See Figure
14–3.
Figure 14–3 Using COM PROFIBUS to Determine Byte_Offset
Profibus_Slot_Number—in devices with more than one slot (module), the slot number identifies the slot
if a PROFIBUS diagnostic message is reported. The Profibus_Slot_Number parameter has no
effect on data I/O; it is used only for APACS error reporting.
Profibus_Ch_Number—in devices or modules with more than one channel, the channel number
identifies the channel if a PROFIBUS diagnostic message is reported. The Profibus_Ch_Number
parameter has no effect on data I/O; it is used only for APACS error reporting.
14-4
August 2002
CG39-24
PROFIBUS Fieldbus Module (PFM)
PA_SlaveAddr—default is 0, and the parameter is only applicable for PA devices connected to the PFM
by a DP/PA link. The valid range is 0 through 125, corresponding to the PROFIBUS address of
the PA device.
ProfiDataType—(default in parentheses). Table 14–2 show available PROFIBUS data types and
lengths for PFM channels.
Table 14–2 ProfiDataType SoftList Parameters
PFM Channel
Length
(bytes)
ProfDataType
Analog input (DP INT16)
Analog output (DP INT16)
BOOLEAN input (DP UINT8)
BOOLEAN output (DP UINT8)
Packed Discrete Input (DP UINT8)
Packed Discrete Output (DP UINT8)
DP UINT8
DP UINT16
DP INT8
DP INT16
DP INT32
DP Floating Point
PA Floating Point Structure
DP BOOLEAN
PA BOOLEAN structure
DP INT8 (as packed discrete)
DP INT16 (as packed discrete)
DP UNIT8
DP UNIT16
1
2
1
2
4
4
5
1
2
1
2
1
2
BitNumber—default is 0, applicable only for BOOLEAN channel types mapped to PROFIBUS integer
types. The bit number corresponds with the position of the data in the 8 or 16 bit data structure.
Valid bit numbers range from 0 to 15, where 0 represents the first bit, and corresponds to labeling
on commonly used DP discrete modules. Figure 14–4shows a how a single BOOLEAN value is
stored in a 2-byte packed discrete value.
The value of the BOOLEAN channel
at BitNumber 10 is 1
0 0 0 1 0 1 0 0 1 1 1 0 0 0 1 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
BitNumber
Figure 14–4 BitNumber in a Packet Discrete Data Type
August 2002
14-5
PROFIBUS Fieldbus Module (PFM)
CG39-24
14.3.1 BOOLEAN Input and Output Channels
Table 14–3 BOOLEAN Input and Output Channels SoftList Parameters
Parameter
BitNumber
DP_Slave_Addr
Selection
0-15
1-125 (valid range differs from default value, which must be
changed)
Byte_Offset
0-243
Profibus_Slot_Number 0-63
Profibus_Ch_Number 0-63
ProfiDataType
DP BOOLEAN
PA BOOLEAN Structure
DP UINT8
DP UINT16
PA_SlaveAddr
PA_Status
(input:read only, output: read/write 0-255) USINT
Default
0
126
0
0
0
DP UINT8
0
128
14.3.2 Packed Discrete Input and Output Channels
Table 14–4 Packed Discrete Input and Output SoftList Parameters
Parameter
DP_Slave_Addr
Selection
1-125 (valid range differs from default value, which must be
changed)
Byte_Offset
0-243
Profibus_Slot_Number 0-63
Profibus_Ch_Number 0-63
ProfiDataType
ProfiPackDisc_DTYP
DP UINT8
DP UINT16
Default
126
0
0
0
DP UINT8
EngUnits: Engineering units for the scaled value can be selected from a list of common engineering
units.
DigFiltTimeCnst: (Input only) Digital filtering can be applied to analog input signals to reduce
the effects of electrical noise. The digital filter is a first-order lag, adjustable for time
constants of 0.0159 to 159.0 seconds (0.0 disables the filter). Equivalent breakpoint
frequencies are 10.0 to 0.001 Hz. The default value can be increased for noisy signals.
Figure 14–5shows the step release time of the digital filter.
14-6
August 2002
CG39-24
PROFIBUS Fieldbus Module (PFM)
Step Response Time of Digital Filter
Scan Rate = 100ms T
(DigFiltTimeCnst) = 1.0 sec.
20
15
mA
14 (63%)
Filter
Input
Filter
Output
10
5
0
0
1
T
2
3
4
5
6
7
Time
(seconds)
Figure 14–5 Step Time Response of Digital Filter
14.3.3 Analog Input and Output
The PFM Analog input and output channel types use real (REAL) variables. The softlist parameters Bias,
Min_Scale, Max_Scale, RawLo, and RawHi are all interrelated by equations provided in subsection 14.4.
August 2002
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PROFIBUS Fieldbus Module (PFM)
CG39-24
Table 14–5 shows the softlist parameters for the analog channel types.
Table 14–5 Analog Input and Output SoftList Parameters
Parameter
Min_Scale
Max_Scale
EngUnits
RawLoCounts
Selection
Any Real Number
Any Real Number
in, ft, mm, cm, m, in3, ft3, bbl, ml, liter, m3, lb, ton, mol, g,
kg, ft/sec, m/sec,ft/sec2, msec2, DegF, DegR, DegC, DegK,
psi, psia, psig, InH2O, InHg, ATM, kPa, kPaa, kPag, mmHg,
kg/cm2, mbar, bar, lb/ft3, g/cm3, kg/m3, mol/m3, ft3/lb,
m3/kg, ppm, pH, PPH, KPPH, t/day, kg/hr, kg/day, gal/min,
GPM, GPH, GPD, ACFM, ACFH, SCCM, SCFH, SCFM,
MCFH, yd3/hr, yd3/day, BPD, gal/hr, gal/day, m3/hr,
m3/day, l/min, l/hr, l/day, mV, Volts, mA, AMPS, Ohms,
mhos, W, kW, MW, Btu, Btu/SCF, Btu/lbm, Btu/hr, hp, bhp,
vars, VA, kVA, joules, Percent, pulses, Hz, rpm, deg, rad,
cal, cal/SCF, cal/hr, cal/lbm, kcal, kcal/SCF, kcal/hr,
kcal/lbm
INT
RawHiCounts
INT
DigFiltTimeCnst (input
only)
Bias
DP_Slave_Addr
0.0 to 159.0 sec
Byte_Offset
Profibus_Slot_Number
Profibus_Ch_Number
ProfiDataType
PA_SlaveAddr
PA_Status
Any Real Number
1-125 (valid range differs from default value, which must be
changed)
0-243
0-63
0-63
DP UINT8
DP UINT16
DP UINT32
DP INT8
DP INT16
DP INT32
DP Floating Point
PA Floating Point Structure
(input:read only; output:read/write, 0-255)USINT
Default
4
20
mA
-27648
(0x9400)
27648
0x6c00)
0.0
0.0
126
0
0
0
DP INT16
0
128
14.4 Mapping Analog Channels to PROFIBUS Integer Data Types
Bias: The user can enter a bias (in engineering units) on a per channel basis to compensate for known
offsets. The bias value is added to a scaled input or subtracted from a scaled output.
14-8
August 2002
CG39-24
PROFIBUS Fieldbus Module (PFM)
Min_Scale/ Max_Scale: The module linearly scales raw data to engineering units for each channel. The
scaling algorithm (equation below) uses the Min_Scale/Max_Scale parameters set by the user.
For example, given a 4 to 20 mA input, a MinScale of 0.0 and a MaxScale of 100.0; if the input
to the channel is 12 mA, the scaled value is 50.0.
Min_Scale and Max_Scale can be any real (REAL) number (Real numbers are valid between 3.4028E38 and +3.4028E38.)
RawLoCounts: specified by the user to define the value of the associated process variable. The default is
–27648 (0x9400) when the channel value equals min scale.
RawHiCounts: specified by the user to define the value of the associated process variable. The default is
27648 (0x6c00) when the channel value equals max scale.
The following equations describe how analog values are mapped to integers. The result of equation (1) is
used in equations (2) and (3).
APACS output analog channel mapped to PROFIBUS integer analog output:
counts per unit =
(RawHiCount s − RawLoCount s )
(Max_Scale − Min_Scale )
(1)
PROFIBUS value = RawHiCounts − ((Max_Scale − ( Analog value − Bias
))∗ counts per unit
(2)
NOTE
MaxScale may be less than MinScale, as might be required by a “reverse
acting” device such as a reverse acting valve.
APACS analog input channels mapped to PROFIBUS integer analog input:

(RawHiCounts − PROFIBUS value )  + Bias
APACS value =  Max_Scale −

counts per unit


(3)
14.5 Out of Range Errors
Range is defined as Max_Scale – Min_Scale. The 4-mation program sets an out-of-range error for a
channel value that exceeds the absolute magnitude 0.05 x range (5%). A built-in hysteresis mechanism
prevents the error from clearing until the channel value falls to the absolute magnitude of 0.03 x range
(3%). See Figure 14–6.
August 2002
14-9
PROFIBUS Fieldbus Module (PFM)
CG39-24
Out of range error
5%
Error cleared
3%
Range = (Max_Scale - Min_Scale)
5%
3%
Figure 14–6 Out of Range Error and Hysteresis
"
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August 2002
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