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(1)
TYPE EXAMINATION CERTIFICATE
(2)
Equipment and protective systems intended for use in potentially explosive
atmospheres - Directive 94/9/EC
(3)
Type Examination Certificate Number: WI 13ATEX0002 X
(4)
Equipment or protective system:
Issue Number: 1
Modular remote I/O-System “u-remote” consisting of the following assemblies:
I/O-Modules:
Marking
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
Type
UR20-4DI-P
UR20-8DI-P-3W
UR20-16DI-P
UR20-16DI-P-PLC-INT
UR20-4DO-P
UR20-8DO-P
UR20-16DO-P
UR20-4RO-CO-255
UR20-16DO-P-PLC-INT
UR20-4AI-UI-16
UR20-4AI-UI-DIAG
UR20-4AO-UI
UR20-4AO-UI-DIAG
UR20-4AI-RTD-DIAG
UR20-4AI-TC-DIAG
Description
Digital input module,
4
Digital input module,
8
Digital input module, 16
Digital input module, 16
Digital output module, 4
Digital output module, 8
Digital output module, 16
Digital output module, 4
Digital output module, 16
Analogue input module, 4
Analogue input module, 4
Analogue input module, 4
Analogue input module, 4
Analogue input module, 4
Analogue input module, 4
Type
UR20-FBC-PB-DP
UR20-FBC-PN-IRT
UR20-FBC-EC
UR20-FBC-MOD-TCP
Description
Field bus coupler, PROFIBUS DP-V1
Field bus coupler, PROFINET IRT
Field bus coupler, Ether CAT
Field bus coupler, Modbus TCP
channels
channels,
channels
channels,
channels
channels
channels
channels,
channels,
channels,
channels,
channels,
channels,
channels,
channels,
3-wire
PLC interface
relay
PLC interface
16 bits
16 bits
16 bits
16 bits
RTD
thermocouple
Bus couplers:
Marking
1
1
1
1
Power-feed modules:
Marking
1
1
Type
UR20-PF-O
UR20-PF-I
Description
Power supply module (Output current path)
Power supply module (Input current path)
Potential distribution modules:
Marking
1
1
1
1
1
Type
UR20-16AUX-I
UR20-16AUX-O
UR20-16AUX-FE
UR20-16AUX-GND-I
UR20-16AUX-GND-O
Description
Potential distribution module (Input current path, positive branch)
Potential distribution module (Output current path, positive branch)
Potential distribution module (Functional earth)
Potential distribution module (Input current path, GND branch)
Potential distribution module (Input current path, GND branch)
Empty Slot Modules:
Marking
1
©
Type
UR20-ES
Description
Empty Slot Module
Integral publication of this certificate and adjoining reports is allowed. This Certificate may only be reproduced in its entirety and without any change.
Weidmüller Interface GmbH & Co. KG
Klingenbergstrasse 16
D-32758 Detmold, Germany
CERT03 V1.1
Telefon +49 5231 14-0
Telefax +49 5231 14-2083
www.weidmueller.com
[email protected]
Rechtsform: Kommanditgesellschaft
Sitz: Detmold
Amtsgericht: Lemgo HRA 2790
USt-ID-Nr. DE124599660
Komplementärin: Weidmüller Interface Führungsgesellschaft mbH
Amtsgericht:
Lemgo HRB 3924
Geschäftsführer: Volpert Briel, Elke Eckstein,
Dr. Peter Köhler, Harald Vogelsang
Page 1/18
(1)
TYPE EXAMINATION CERTIFICATE
(2)
Equipment and protective systems intended for use in potentially explosive
atmospheres - Directive 94/9/EC
(3)
Type Examination Certificate Number: WI 13ATEX0002 X
(5)
Manufacturer:
Weidmüller Interface GmbH & Co KG
(6)
Address:
Klingenbergstraße 16, 32758 Detmold, Germany
(7)
This equipment and any acceptable variation thereto is specified in the schedule to this certificate and the
documents therein referred to.
(8)
Weidmüller Interface GmbH & Co KG certifies that this equipment has been found to comply with the Essential
Health and Safety Requirements relating to the design and construction of equipment and protective systems
intended for use in potentially explosive atmospheres given in Annex II to the directive.
Issue Number: 1
The examination and test results are recorded in confidential test report no.
WI13ATEX0002X_CHK_01_iss01.
(9)
Compliance with the Essential Health and Safety Requirements has been assured by compliance with:
EN 60079-0:2012 + A11:2013
EN 60079-15:2011
(10)
If the sign ”X” is placed after the certificate number, it indicates that the equipment is subject to special
conditions for safe use specified in the schedule to this certificate.
(11)
This Type Examination Certificate relates only to the design, examination and tests of the specified equipment
and not to the manufacturing process and supply of this equipment.
(12)
The marking of the equipment shall include the following:
Marking
1.)
Marking variant
1
II 3 G Ex nA IIC T4 Gc
2
II 3 G Ex nA nC IIC T4 Gc
1.) The marking variants are assigned to the modules listed in this certificate via the marking number
Weidmüller Interface GmbH & Co.KG
Dr. Timo Berger
Head of Electrical Interface
CERT03 V1.1
Page 2/18
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Issue No. 1
Table of contents
General specifications .......................................................................................................... 4
I/O-modules characteristics .............................................................................................. 4
Common ........................................................................................................................ 4
Output loads, sensor/actor supply outputs and ambient temperature range ................. 4
Switch loss for digital output modules ........................................................................... 5
UR20-4DI-P
UR20-8DI-P-3W
UR20-16DI-P
UR20-16DI-P-PLC-INT
UR20-4DO-P
UR20-8DO-P
UR20-16DO-P
UR20-16DO-P-PLC-INT
UR20-4RO-CO-255
UR20-4AI-UI-16
UR20-4AI-UI-DIAG
UR20-4AO-UI-16
UR20-4AO-UI-DIAG
UR20-4AI-RTD-DIAG
UR20-4AI-TC-DIAG
Digital input module, 4 channels .......................................... 5
Digital input module, 8 channels, 3-wire .............................. 5
Digital input module, 16 channels ........................................ 6
Digital input module, 16 channels, PLC interface ................ 6
Digital output module, 4 channels ....................................... 7
Digital output module, 8 channels ....................................... 7
Digital output module, 16 channels ..................................... 8
Digital output module, 16 channels, PLC interface .............. 8
Digital output module, 4 channels, relay .............................. 9
Analogue input module, 4 channels, 16 bits ........................ 9
Analogue input module, 4 channels, 16 bits ...................... 10
Analogue output module, 4 channels, 16 bits .................... 10
Analogue output module, 4 channels, 16 bits .................... 11
Analogue input module, 4 channels, RTD ......................... 11
Analogue input module, 4 channels, thermocouple ........... 12
Bus coupler characteristics ............................................................................................ 13
Common (if not otherwise specified) ........................................................................... 13
Power-feed modules characteristics .............................................................................. 14
Common (if not otherwise specified) ........................................................................... 14
Power distribution modules characteristics.................................................................. 15
Common (if not otherwise specified) ........................................................................... 15
Empty Slot Module characteristics................................................................................. 16
Calculations
Calculation of path currents ...................................................................................... 17
Calculation of power dissipation ............................................................................... 17
Installation instructions
Test Report.................................................................................................................. 18
Special conditions for safe use.................................................................................... 18
Essential Health and Safety Requirements ................................................................. 18
Test documentation ..................................................................................................... 18
CERT03 V1.1
Page 3/18
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Issue No. 1
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(15)
Description of Equipment or Protective System:
u-remote is a modular remote I/O-system that may consist of one field bus coupler and up to
64 I/O-Modules, optional power-feed modules and power distribution modules. u-remote modules are
installed on a standard mounting rail. They shall be installed always in a suitable enclosure (see 17: special
conditions for safe use).
General specifications
Min.
Max
Metric
0.14 mm²
1.5 mm²
AWG
26
16
All conductors shall have the current-carrying capacity for the intended use.
Value
Field wiring terminal cross section
u-remote consists of several configurable assemblies with different functions:
I/O-modules characteristics
Common (if not otherwise specified)
Supply via bus rails
Input path1.)
Output path2.)
System path3.)
(UIN)
(UOUT)
(USYS)
Min.
20.4 V
20.4 V
4.75 V
Max
28.8 V
28.8 V
5.25 V
Pass through resistance; ea. path
(RDBR)
2.4 mΩ
1.) The input path rail is fed from the input supply input of the bus-coupler or from the input supply input of an input power feed module.
2.) The output path rail is fed from the output supply input of the bus-coupler or from the output supply input of an output power feed module.
3.) The system path rail is derived from the power of the input current path (switch mode power supply within the field bus coupler).
Output loads, sensor/actor supply outputs and ambient temperature range
The sum of all output currents of each I/O-module (including the sensor/actor supply outputs)
shall be in the following range:
CERT03 V1.1
max. current on
output path (IOUT)
8A
10 A
10 A
max. current on
input path (IIN)
-20°C
8A
10 A
10 A
max. ambient
temperature
Power feed module
+60°C
+55°C
+60°C
max. current on
output path (IOUT)
max. ambient
temperature
-20°C
max. current on
input path (IIN)
Supply via:
Field bus coupler
min. ambient
temperature
Mounting direction (reference mounting rail)
Horizontal
Vertical
+55°C
+50°C
+55°C
6A
8A
8A
6A
8A
8A
Page 4/18
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(15)
I/O-modules characteristics (cont’d)
Issue No. 1
Switch- loss for digital output modules
In case of switching inductive loads with digital output modules without a clamping network,
there will be turn off losses. These losses can be calculated with the following equation:
PSW = f ∙ UCL ∙
f:
I:
L:
R:
UCL:
UOUT:
UR20-4DI-P
L
UCL − UOUT
UOUT
∙ �I −
∙ ln �1 +
��
R
UCL − UOUT
R
Switching frequency [Hz]
Load current [A]
Inductive part of load [H]
Resistive part of load [Ω]
Clamping voltage of module [V]
Supply voltage on output path [V]
Digital input module, 4 channels
Value
Input voltage
Input current
Current consumption:
on system path
on input path
Output current ea. sensor supply output
Pass through resistance ea. sensor supply
Power dissipation:
on system path
(UDI)
(IDI)
Min.
0 V
Max.
Supply voltage of input path
2.7 mA
(ISYS_M)
(IIN_M)
(ISENS)
(RDSENS)
35
6
2
30
mA
mA
A
mΩ
(PSYS_M)
U SYS ∗ I SYS _ M
on input path
(PIN_M)
U IN ∗ I IN _ M
on each input channel
(PCH)
U DI ∗ I DI
on each sensor supply output
(PSENS)
I SENS ∗ RDSENS
on bus contacts
(PBUS)
2
( I IN + I OUT + I SYS ) * RDBR
2
2
2
UR20-8DI-P-3W Digital input module, 8 channels, 3-wire
Value
Input voltage
Input current
Current consumption:
on system path
on input path
Output current ea. sensor supply output
Pass through resistance ea. sensor supply
Power dissipation:
on system path
CERT03 V1.1
(UDI)
(IDI)
Min.
0 V
Max.
Supply voltage of input path
3 mA
(ISYS_M)
(IIN_M)
(ISENS)
(RDSENS)
35
7
2
33
mA
mA
A
mΩ
(PSYS_M)
U SYS ∗ I SYS _ M
on input path
(PIN_M)
U IN ∗ I IN _ M
on each input channel
(PCH)
U DI ∗ I DI
on each sensor supply output
(PSENS)
I SENS ∗ RDSENS
on bus contacts
(PBUS)
2
( I IN + I OUT + I SYS ) * RDBR
2
2
2
Page 5/18
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(15)
I/O-modules characteristics (cont’d)
UR20-16DI-P
Digital input module, 16 channels
Value
Input voltage
Input current
Current consumption:
on system path
on input path
(UDI)
(IDI)
Min.
0 V
Max.
Supply voltage of input path
3 mA
(ISYS_M)
(IIN_M)
38 mA
11 mA
(PSYS_M)
U SYS ∗ I SYS _ M
on input path
(PIN_M)
U IN ∗ I IN _ M
on each input channel
(PCH)
Power dissipation:
on system path
on bus contacts
UR20-16DI-P-PLC-INT
CERT03 V1.1
Issue No. 1
(PBUS)
U DI ∗ I DI
( I IN + I OUT + I SYS ) * RDBR
2
2
2
Digital input module, 16 channels, PLC interface
Value
Input voltage
(UDI)
Min.
0 V
Max.
Supply voltage for input
circuits (4 pole connector)
3 mA
8 A
Input current
Max. supply current via 4 pole connector
(IDI)
(ISUP)
Current consumption:
on system path
on input path
Output current ea. sensor supply output
Pass through resistance ea. sensor supply
Pass through resistance ea. sensor supply
(ISYS_M)
(IIN_M)
(ISENS)
(RDSENS+)
(RDSENS-)
Power dissipation:
on system path
(PSYS_M)
U SYS ∗ I SYS _ M
on input path
(PIN_M)
U IN ∗ I IN _ M
on each input channel
(PCH)
U DI ∗ I DI
on each pos. sensor supply output
(PSENS+)
I SENS ∗ RDSENS +
on each Gnd sensor supply output
(PSENS-)
I SENS ∗ RDSENS −
on bus contacts
(PBUS)
35
16
1
11
12
mA
mA
A
mΩ
mΩ
2
2
( I IN + I OUT + I SYS ) * RDBR
2
2
2
Page 6/18
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(15)
I/O-modules characteristics (cont’d)
UR20-4DO-P
Digital output module, 4 channels
Value
Output voltage; ea. channel
Output current; ea. channel
Output impedance; ea. channel
Current consumption:
on system path
on output path
Clamping voltage
Output current ea. actor supply output
Pass through resistance ea. actor supply
Power dissipation:
on system path
UR20-8DO-P
Min.
(UDO)
(IDO)
(RDDO)
(ISYS_M)
(IOUT_M)
(UCL)
(IACT)
(RDACT)
Max.
Supply voltage of output path
500 mA
140 mΩ
36
17
41
2
16
mA
mA
V
A
mΩ
(PSYS_M)
U SYS ∗ I SYS _ M
on output path
(POUT_M)
U OUT ∗ I IOUT _ M
on each output channel
(PCH)
I DO ∗ RDDO
on each actor supply output
(PACT)
I ACT ∗ RDACT
Switch loss on each output channel
when switching inductive load
(PSW)
see “switch loss for digital
output modules” on page 5
on bus contacts
(PBUS)
2
2
( I IN + I OUT + I SYS ) * RDBR
2
2
2
Digital output module, 8 channels
Value
Output voltage; ea. channel
Output current; ea. channel
Output impedance; ea. channel
Current consumption:
on system path
on output path
Clamping voltage
Min.
(UDO)
(IDO)
(RDDO)
Max.
Supply voltage of output path
500 mA
140 mΩ
(ISYS_M)
(IOUT_M)
(UCL)
35 mA
30 mA
41 V
(PSYS_M)
U SYS ∗ I SYS _ M
on output path
(POUT_M)
U IOUT ∗ I OUT _ M
on each output channel
(PCH)
I DO ∗ RDDO
Switch loss on each output channel
when switching inductive load
(PSW)
see “switch loss for digital
output modules” on page 5
on bus contacts
(PBUS)
Power dissipation:
on system path
CERT03 V1.1
Issue No. 1
2
( I IN + I OUT + I SYS ) * RDBR
2
2
2
Page 7/18
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(15)
I/O-modules characteristics (cont’d)
UR20-16DO-P
Issue No. 1
Digital output module, 16 channels
Value
Output voltage; ea. channel
Output current; ea. channel
Output impedance; ea. channel
Current consumption:
on system path
on output path
Clamping voltage
Min.
(UDO)
(IDO)
(RDDO)
(ISYS_M)
(IOUT_M)
(UCL)
36 mA
23 mA
41 V
(PSYS_M)
U SYS ∗ I SYS _ M
on output path
(POUT_M)
U OUT ∗ I OUT _ M
on each output channel
(PCH)
I DO ∗ RDDO
Switch loss on each output channel
when switching inductive load
(PSW)
see “switch loss for digital
output modules” on page 5
on bus contacts
(PBUS)
Power dissipation:
on system path
UR20-16DO-P-PLC-INT
2
( I IN + I OUT + I SYS ) * RDBR
2
2
2
Digital output module, 16 channels, PLC interface
Value
Output voltage; ea. channel
Min.
(UDO)
Max. supply current via 4 pole connector
(ISUP)
Output current; ea. channel
(IDO)
Output impedance; ea. channel
(RDDO)
Current consumption:
on system path
(ISYS_M)
on output path
(IOUT_M)
Clamping voltage
(UCL)
Output current ea. actor supply output
(IACT)
Pass through resistance ea. sensor supply (RDACT+)
Pass through resistance ea. sensor supply (RDACT-)
Power dissipation:
on system path
CERT03 V1.1
Max.
Supply voltage of output path
500 mA
140 mΩ
Max.
Supply voltage for output
circuits (4 pole connector)
8 A
500 mA
160 mΩ
36
23
41
1
10
12
mA
mA
V
A
mΩ
mΩ
(PSYS_M)
U SYS ∗ I SYS _ M
on output path
(POUT_M)
U OUT ∗ I OUT _ M
on each output channel
(PCH)
I DO ∗ RDDO
Switch loss on each output channel
when switching inductive load
(PSW)
see “switch loss for digital
output modules” on page 5
on each pos. sensor supply output
(PACT+)
I ACT ∗ RDACT +
on each Gnd sensor supply output
(PACT-)
I ACT ∗ RDACT −
on bus contacts
(PBUS)
2
2
2
( I IN + I OUT + I SYS ) * RDBR
2
2
2
Page 8/18
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(15)
I/O-modules characteristics (cont’d)
UR20-4RO-CO-255
Issue No. 1
Digital output module, 4 channels, relay
Value
Switching voltage; ea. channel
Switching current; ea. channel
Pass through resistance; ea. channel
Current consumption:
on system path
on output path
Min.
Max.
275
2.4
3
110
(URO)
(IRO)
(RDRO)
V
A @ 60°C or
A @ 55°C
mΩ
(ISYS_M)
(IOUT_M)
101 mA
22 mA
(PSYS_M)
U SYS ∗ I SYS _ M
on output path
(POUT_M)
U OUT ∗ I OUT _ M
on each relay contact
(PCH)
RDRO ∗ I RO
on bus contacts
(PBUS)
Power dissipation:
on system path
2
( I IN + I OUT + I SYS ) * RDBR
2
2
2
UR20-4AI-UI-16 Analogue input module, 4 channels, 16 bits
Value
Input voltage
(UAI)
Min.
- 10 V
Max.
+ 10 V
(when configured as voltage input)
Input current
(IAI)
0 mA
20 mA
(when configured as current input)
Input resistance
(RAI)
96 kΩ
(GAI)
23.8 mS
(when configured as voltage input)
Input burden
(when configured as current input)
Current consumption:
on system path
(ISYS_M)
on input path
(IIN_M)
Output current ea. sensor supply output
(IACT)
Pass through resistance ea. sensor supply (RDSENS)
Power dissipation:
on system path
39
20
2
17
mA
mA
A
mΩ
(PSYS_M)
U SYS ∗ I SYS _ M
on input path
(PIN_M)
U IN ∗ I IN _ M
on each input channel
(PCH)
U AI
RAI
(PCH)
I AI
G AI
on each sensor supply output
(PSENS)
I SENS ∗ RDSENS
on bus contacts
(PBUS)
2
(when configured as voltage input)
2
on each input channel
(when configured as current input)
CERT03 V1.1
2
( I IN + I OUT + I SYS ) * RDBR
2
2
2
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I/O-modules characteristics (cont’d)
UR20-4AI-UI-DIAG
Issue No. 1
Analogue input module, 4 channels, 16 bits
Value
Input voltage
(UAI)
Min.
- 10 V
Max.
+ 10 V
(when configured as voltage input)
Input current
(IAI)
0 mA
20 mA
(when configured as current input)
Input resistance
(RAI)
96 kΩ
(GAI)
23.8 mS
(when configured as voltage input)
Input burden
(when configured as current input)
Current consumption:
on system path
(ISYS_M)
on input path
(IIN_M)
Output current ea. sensor supply output
(IACT)
Pass through resistance ea. sensor supply (RDSENS)
Power dissipation:
on system path
41
23
0.5
215
mA
mA
A
mΩ
(PSYS_M)
U SYS ∗ I SYS _ M
on input path
(PIN_M)
U IN ∗ I IN _ M
on each input channel
(PCH)
U AI
RAI
(PCH)
I AI
G AI
on each sensor supply output
(PSENS)
I SENS ∗ RDSENS
on bus contacts
(PBUS)
2
(when configured as voltage input)
2
on each input channel
(when configured as current input)
UR20-4AO-UI-16
2
( I IN + I OUT + I SYS ) * RDBR
2
2
2
Analogue output module, 4 channels, 16 bits
Value
Output voltage
(UAO)
Min.
- 10 V
Max.
+ 10 V
(when configured as voltage output)
Output current
(IAO)
0 mA
20 mA
(when configured as current output)
Short circuit current
(ISC)
15 mA
(when configured as voltage output)
Open loop voltage
Output load
(UOL)
(RL)
15 V
1000 Ω
(when configured as voltage output)
Burden
(RB)
0 Ω
600 Ω
(when configured as current output)
Current consumption:
on system path
on output path
(ISYS_M)
(IOUT_M)
36 mA
41 mA
Power dissipation:
on system path
(PSYS_M)
U SYS ∗ I SYS _ M
on output path
(POUT_M)
U OUT ∗ I OUT _ M
on each output channel
(PCH)
(U OL − U AO ) 2
RL
(PCH)
(U OL − ( I AO ∗ R B )) ∗ I AO
(when configured as voltage output)
on each output channel
(when configured as current output)
on bus contacts
CERT03 V1.1
(PBUS)
( I IN + I OUT + I SYS ) * RDBR
2
2
2
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I/O-modules characteristics (cont’d)
UR20-4AO-UI-DIAG
Issue No. 1
Analogue output module, 4 channels, 16 bits
Value
Output voltage
(UAO)
Min.
- 10 V
Max.
+ 10 V
(when configured as voltage output)
Output current
(IAO)
0 mA
20 mA
(when configured as current output)
Short circuit current
(ISC)
15 mA
(when configured as voltage output)
Open loop voltage
Output load
(UOL)
(RL)
15 V
1000 Ω
(when configured as voltage output)
Burden
600 Ω
(RB)
(when configured as current output)
Current consumption:
on system path
on output path
(ISYS_M)
(IOUT_M)
36 mA
41 mA
Power dissipation:
on system path
(PSYS_M)
U SYS ∗ I SYS _ M
on output path
(POUT_M)
U OUT ∗ I OUT _ M
on each output channel
(PCH)
(U OL − U AO ) 2
RL
(when configured as voltage output)
on each output channel
(U OL − ( I AO ∗ R B )) ∗ I AO
(PCH)
(when configured as current output)
on bus contacts
UR20-4AI-RTD-DIAG
( I IN + I OUT + I SYS ) * RDBR
2
2
Analogue input module, 4 channels, RTD
Value
Sensor current; ea. channel
Sensor open loop voltage; ea. channel
RTD measurement range
Resistor meas. range
Current consumption:
on system path
on input path
Min.
Max.
1
8
850
4000
(IAIS)
(UAIS)
- 200 °C
0 Ω
mA
V
°C
Ω
(ISYS_M)
(IIN_M)
41 mA
15 mA
(PSYS_M)
U SYS ∗ I SYS _ M
on input path
(PIN_M)
U IN ∗ I IN _ M
on each input channel
(PCH)
Power dissipation:
on system path
on bus contacts
CERT03 V1.1
(PBUS)
2
(PBUS)
U AIS ∗ I AIS
( I IN + I OUT + I SYS ) * RDBR
2
2
2
Page 11/18
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(15)
I/O-modules characteristics (cont’d)
UR20-4AI-TC-DIAG
Analogue input module, 4 channels, thermocouple
Value
Disconuity detection
current; ea. channel
Disconuity detection open
loop voltage; ea. channel
TC measurement range
Voltage meas. range
Current consumption:
on system path
on input path
Min.
Max.
(IAIS)
0.04 mA
(UAIS)
2.5 V
2315 °C
2 V
- 210 °C
2 V
(ISYS_M)
(IIN_M)
41 mA
21 mA
(PSYS_M)
U SYS ∗ I SYS _ M
on input path
(PIN_M)
U IN ∗ I IN _ M
on each input channel
(PCH)
Power dissipation:
on system path
on bus contacts
CERT03 V1.1
Issue No. 1
(PBUS)
U AIS ∗ I AIS
( I IN + I OUT + I SYS ) * RDBR
2
2
2
Page 12/18
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(15)
Bus coupler characteristics
Issue No. 1
Common (if not otherwise specified)
Supply
Input path1.)
Output path2.)
System path3.)
Pass through resistance; Input Path
Pass through resistance; Output Path
Current consumption on input path
(UIN)
(UOUT)
(USYS)
(RDBCI)
(RDBCO)
(IIN_M)
Min.
20.4 V
20.4 V
4.75 V
Max.
28.8
28.8
5.25
16
15
162
V
V
V
mΩ
mΩ
mA
Power dissipation:
on input path
(PIN_M)
U I N ∗ I IN _ M + I IN * RDBCI
on output path
(POUT_M)
I OUT * RDBCO
Supply of system path 4.)
(PSYS)
0.1 ∗ I SYS ∗
2
2
U SYS
U IN
1.) The system path rail is derived from this supply (switch mode power supply within the field bus coupler).
2.) All following modules are fed from this supply on the input path.
3.) All following modules are fed from this supply on the output path.
4.) ISYS is the sum of the current of all following modules on the system path.
Supply currents and ambient temperature range
The supply currents of each current path (Input/Output) shall be in the following range:
max. current on
input path (IIN)
max. current on
output path (IOUT)
max.current on
system path (ISYS)
8A
10 A
max. ambient
temperature
8A
10 A
max. current on
system path (ISYS)
+60°C
+55°C
max. current on
output path (IOUT)
max. ambient
temperature
-20°C
max. current on
input path (IIN)
min. ambient
temperature
Mounting direction (reference mounting rail)
Horizontal
Vertical
2.56 A
2.56 A
+55°C
+50°C
6A
8A
6A
8A
2.56 A
2.56 A
These characteristics are covering the field bus couplers:
UR20-FBC-PB-DP
Field bus coupler, PROFIBUS DP-V1
UR20-FBC-PB-DP
Field bus coupler, PROFINET IRT
UR20-FBC-EC
Field bus coupler, Ether CAT
UR20-FBC-MOD-TCP Field bus coupler, Modbus TCP
CERT03 V1.1
Page 13/18
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(15)
Power-feed modules characteristics
Issue No. 1
Common (if not otherwise specified)
Supply
Input path1.)
Output path2.)
Current consumption:
on system path
on input path
on output path
Pass through resistance; Input Path
Pass through resistance; Output Path
(UIN)
(UOUT)
Min.
20.4 V
20.4 V
Max.
28.8 V only UR20-PF-I
28.8 V only UR20-PF-O
(ISYS_M)
(IIN_M)
(IOUT_M)
(RDPFI)
(RDPFO)
Power dissipation:
on system path
3
9
8
12
11
mA
mA only UR20-PF-I
mA only UR20-PF-O
mΩ only UR20-PF-I
mΩ only UR20-PF-O
(PSYS_M)
U SYS ∗ I SYS _ M
on input path
(PIN_M)
U I N ∗ I IN _ M + I IN * RDPFI
on output path
(POUT_M)
U OUT ∗ I OUT _ M + I OUT * RDPFO
on bus contacts
(PBUS)
2
2
( I IN + I OUT + I SYS ) * RDBR
2
2
2
1.) All following modules are fed from this supply on the input path.
2.) All following modules are fed from this supply on the output path.
Supply currents and ambient temperature range
The supply currents of each current path (Input/Output) shall be in the following range:
max. current on
output path (IOUT)
10 A
max. current on
input path (IIN)
10 A
max. ambient
temperature
+60°C
max. current on
output path (IOUT)
max. ambient
temperature
-20°C
max. current on
input path (IIN)
min. ambient
temperature
Mounting direction (reference mounting rail)
Horizontal
Vertical
+55°C
8A
8A
If the supply current of the input- or the output- path exceeds 8 A and the ambient temperature
exceeds 55 °C, all four supply contacts of this path shall be wired with a
conductor of 1.5 mm² (AWG16).
These characteristics are covering the power feed modules:
UR20-PF-O
Power supply module (Output current path)
UR20-PF-I
Power supply module (Input current path)
CERT03 V1.1
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(15)
Power distribution modules characteristics
Issue No. 1
Common (if not otherwise specified)
Supply via bus rails
Input path
Output path
Pass through resistance; Input Path
Min.
20.4 V
20.4 V
(UIN)
(UOUT)
(RDPD)
Max.
28.8 V
28.8 V
8 mΩ
Power dissipation:
on each distribution path
(PDIST)
on bus contacts
(PBUS)
2
I DIST * RDPD
( I IN + I OUT + I SYS ) * RDBR
2
2
2
Distributed currents and ambient temperature range
The sum of all distributed currents of each power distributor module shall be in the following
range:
max. current on
output path (IOUT)
8A
10 A
10 A
max. current on
input path (IIN)
-20°C
8A
10 A
10 A
max. ambient
temperature
Power feed module
+60°C
+55°C
+60°C
max. current on
output path (IOUT)
max. ambient
temperature
-20°C
max. current on
input path (IIN)
Supply via:
Field bus coupler
min. ambient
temperature
Mounting direction (reference mounting rail)
Horizontal
Vertical
+55°C
+50°C
+55°C
6A
8A
8A
6A
8A
8A
These characteristics are covering the distributor modules:
UR20-16AUX-I
UR20-16AUX-O
UR20-16AUX-FE
UR20-16AUX-GND-I
UR20-16AUX-GND-O
CERT03 V1.1
Potential distribution module (Input current path, positive branch)
Potential distribution module (Output current path, positive branch)
Potential distribution module (Functional earth)
Potential distribution module (Input current path, GND branch)
Potential distribution module (Input current path, GND branch)
Page 15/18
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(15)
Empty Slot Module characteristics
Supply via bus rails
Input path
Output path
Issue No. 1
(UIN)
(UOUT)
Min.
20.4 V
20.4 V
Max
28.8 V
28.8 V
(PBUS)
( I IN + I OUT + I SYS ) * RDBR
Power dissipation:
on bus contacts
2
2
2
Ambient temperature range
Mounting direction
(reference mounting rail)
Horizontal
Vertical
Min.
-20 °C
-20 °C
Max
+ 60 °C
+ 55 °C
These characteristics are covering the empty slot modules:
UR20-ES
Empty Slot Module
CERT03 V1.1
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(15)
Calculation of path currents
Module #
Module n
Module n-1
Module n-2
ISYS
ISYS,n=ISYS_M
ISYS,n-1=ISYS_M+ISYS,n
ISYS,n-2=ISYS_M+ISYS,n-1
Module 1
ISYS,1=ISYS_M+ISYS,2
Bus-coupler ISYS,Coupler= IS_PATH,1
Issue No. 1
IIN
IIN,n=IIN_M
IIN,n-1=IIN_M+ΣISENS+ΣIDIST-IN+IIN,n
IIN,n-2=IIN_M+ΣISENS+ΣIDIST-IN+IIN,n-1
IOUT
IOUT,n=IOUT_M
IOUT,n-1=IOUT_M+ΣIACT+ΣIDIST-OUT+IOUT,n
IOUT,n-2=IOUT_M+ΣIACT+ΣIDIST-OUT+IOUT,n-1
IIN,1=IIN_M+ΣISENS+ΣIDIST-IN+IIN,2
IIN,Coupler=IIN_M+IIN,1
IOUT,1=IOUT_M+ΣIACT+ΣIDIST-OUT+IOUT,2
IOUT,Coupler=IOUT,1
ISYS_M, IIN_M, IOUT_M
are given in the module specific tables
ISYS,n
IIN,n
IOUT,n
is the current on the system path,
is the current on the input path and
is the current on the output path that flows through the bus contacts of module n and is
needed to calculate the power dissipation on the bus-contacts of module n.
ISENS
is the sensor supply current.
IACT
is the actor supply current.
IDIST-IN
is the current that is drained via input path power distributions.
IDIST-OUT
is the current that is drained via output path power distributions.
If module n is a power-feed module, set IIN,n to IIN_M and IOUT,n to IOUT_M given in the table for power-feed
modules.
Calculation of power dissipation
The power dissipations of a module can be calculated out of the calculated bus currents (see “Calculation of
path currents”) and the formulas for power dissipations given in the module specific tables. The total power
dissipation of a module is the sum of all stated power dissipation for that module.
The power dissipation of the u-remote station is the sum of all power dissipations of all modules.
CERT03 V1.1
Page 17/18
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Issue No. 1
Installation instructions
The instructions provided with the assemblies of the remote I/O-System shall be followed in detail to assure
safe operation.
(16)
Test Report
WI13ATEX0002X_TR_iss01
(17)
(18)
Special conditions for safe use
1.
The remote I/O-System u-remote shall only be used in an area of not more than pollution degree 2, as
defined in IEC 60664-1.
2.
The remote I/O-System u-remote shall be installed in an enclosure that provides a degree of
protectionnot less than IP 54 in accordance with IEC 60079-15.
3.
When the temperature under rated conditions exceeds 70 °C at the cable or conduit entry
point, or 80 °C at the branching point of the conductors, the temperature specification of the
selected cable shall be in compliance with the actual measured temperature values.
4.
The ambient temperature range -20 °C to +60 °C shall not be exceeded.
5.
For UR20-4RO-CO-255 (Relay Module) only:
a.) Device shall be installed in an environment free of condensation, corrosives and conducting
dusts.
b.) If the switching voltage exceeds 63V, a transient protection device shall be provided that limits
the transients to a peak voltage of 500V or less.
c.) Due to the fact that relays are subject to wear, it must be ensured, by appropriate maintenance
intervals, that the temperature do not exceed the limits of temperature class T4.
Remark: A contact resistance of more than 110 mΩ will be considered as a fault.
d.) Resistive loads only
6.
If mounted in other directions than horizontal (reference mounting rail), restrictions to the max.
operating temperature, max. output currents may apply.
7.
While explosive atmosphere is present:
a.) No electrical connection shall be separated in energized condition.
b.) The USB interface shall not be used.
c.) Dip-switches, binary-switches and potentiometers shall not be actuated.
8.
Only power supplies with secure isolation shall be used.
9.
Refer to manufacturers manual.
Essential Health and Safety Requirements
Conformity to the standards EN 61131-2, DIN EN 50178 and to the standards listed at (9)
(19)
Test documentation
WI13ATEX0002X_TR_iss01
CERT03 V1.1
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