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Preset Counter/Timer (48 × 24)
H8GN
CSM_H8GN_DS_E_3_3
A DIN 48 × 24 Preset Counter.
Compact, Yet Equipped with
Communication.
• Only 48 × 24 × 83 mm (W × H × D)
• Switch between 4-digit preset counter and 4-digit timer operation.
• While using the preset counter, it is possible to switch the display to monitor the totalizing count value (8 digits).
• Built-in prescaling for counter operation.
• ON/OFF-duty adjustable flicker mode that can be used to perform cyclic control is available for timer operation.
• SV can be changed using front panel keys to any of four values
preset in SV-banks.
• Water-proof structure to NEMA4X/IP66.
• Conforms to UL, CSA, and IEC safety standards as well as CE
Marking.
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
Refer to Safety Precautions on page 7.
Model Number Structure
■ Model Number Legend
H8GN-AD-@
1
2
1. Supply Voltage
D:
24 VDC
2. Communications Output Type
None: Communications not supported
FLK: RS-485
Ordering Information
■ List of Models
Supply voltage
Output
Communications
No communications
24 VDC
Contact output (SPDT)
H8GN-AD
RS-485
H8GN-AD-FLK
1
H8GN
Specifications
■ Ratings
Rated supply voltage
24 VDC
Operating voltage range
85% to 110% of rated supply voltage
Power consumption
1.5 W max. (for max. DC load) (Inrush current: 15 A max.)
Mounting method
Flush mounting
External connections
Screw terminals (M3 screws)
Terminal screw tightening torque
0.5 N⋅m max.
Attachment
Waterproof packing, flush mounting bracket
Display
7-segment, negative transmissive LCD; time display (h, min, s); CMW, OUT, RST, TOTAL
Present value (red, 7-mm-high characters); Set value (green, 3.4-mm-high characters)
Digits
PV: 4 digits
SV: 4 digits
When total count value is displayed: 8 digits
(Zeros suppressed)
Memory backup
Counter
Timer
Inputs
EEPROM (non-volatile memory) (number of writes: 100,000 times)
Maximum counting speed 30 Hz or 5 kHz (See note.)
Counting range
−999 to 9,999
Input modes
Increment, decrement, individual, quadrature inputs
Output modes
N, F, C, or K
Time ranges
0.000 to 9.999 s, 0.00 to 99.99 s, 0.0 to 999.9 s, 0 to 9999 s, 0 min 00 s to 99 min 59 s, 0.0 to
999.9 min, 0 h 00 min to 99 h 59 min, 0.0 h to 999.9 h, 0 h to 9999 h
Timer modes
Elapsed time (Up), remaining time (Down)
Output modes
A, B, D, E, F, or Z
Input signals
For Counter: CP1, CP2, and reset
For Timer: Start, gate, and reset
Input method
No-voltage input (contact short-circuit and open input)
Short-circuit (ON) impedance:
1 kΩ max. (Approx. 2 mA runoff current at 0 Ω)
Short-circuit (ON) residual voltage:2 VDC max.
Open (OFF) impedance:
100 kΩ min.
Applied voltage:
30 VDC max.
Start, reset, gate
Minimum input signal width: 1 or 20 ms (selectable)
Power reset
Minimum power-opening time: 0.5 s
Control output
SPDT contact output: 3 A at 250 VAC/30 VDC, resistive load (cosφ = 1)
Minimum applied load
10 mA at 5 VDC (failure level: P, reference value)
Reset system
External, manual, and power supply resets (for timer in A, B, D, E, or Z modes)
Sensor waiting time
260 ms max. (Inputs cannot be received during sensor wait time if control outputs are turned OFF.)
Note: The figures given for maximum counting speed are for incrementing or decrementing operation with a prescale value of ×1. If prescaling is
used and 5 kHz is set, the maximum counting speed will be reduced to about half. The maximum counting speed will also be reduced to
about half when the up/down mode is selected.
2
H8GN
■ Characteristics
Timer function
Accuracy of operating Signal start: ± 0.03% ± 30 ms max.
time and setting error Power-ON start: ± 0.03% ± 50 ms max.
(including temperature
and voltage effects)
Insulation resistance
100 MΩ min. (at 500 VDC)
Dielectric strength
1,500 VAC, 50/60 Hz for 1 min between output terminals and non-current-carrying metal
parts
510 VAC, 50/60 Hz for 1 min between current-carrying terminals (except output terminals)
and non-current-carrying metal parts
1,500 VAC, 50/60 Hz for 1 min between output terminals and current-carrying terminals (except output terminals)
500 VAC, 50/60 Hz for 1 min between communications terminals and current-carrying terminals (except output terminals)
1,000 VAC, 50/60 Hz for 1 min between contacts not located next to each other
Noise immunity
Square-wave noise by noise simulator;
±480 V (between power terminals), ± 600 V (between input terminals)
± 8 kV (malfunction), ± 15 kV (destruction)
Static immunity
Vibration resistance
Shock resistance
Life expectancy
Ambient temperature
Malfunction
10 to 55 Hz with 0.35-mm single amplitude each in three directions for 10 min
Destruction
10 to 55 Hz with 0.75-mm single amplitude each in three directions for 2 h
Malfunction
100 m/s2, 3 times each in six directions
Destruction
300 m/s2, 3 times each in six directions
Mechanical
10 million operations
Electrical
100,000 operations min. (3 A at 250 VAC, resistive load) (See note 1.)
Operating
−10°C to 55°C (with no icing or condensation)
Storage
−25°C to 65°C (with no icing or condensation)
Ambient humidity
25% to 85%
EMC
(EMI):
Emission Enclosure:
(EMS):
Immunity ESD:
EN61326-1 (See note 2.)
EN55011 Group 1 Class A
EN61326-1 (See note 2.)
EN61000-4-2: 4 kV contact discharge (level 2)
8 kV air discharge (level 3)
Immunity RF-interference: EN61000-4-3: 10 V/m (Amplitude-modulated,
80 MHz to 1 GHz) (level 3);
10 V/m (Pulse-modulated,
900 MHz ± 5 MHz) (level 3)
Immunity Conducted
Disturbance:
EN61000-4-6: 3 V (0.15 to 80 MHz) (level 2)
Immunity Burst:
EN61000-4-4: 2 kV power-line (level 3);
1 kV I/O signal-line (level 4);
1 kV communications-line (level 3)
Immunity Surge:
EN61000-4-5: 1 kV between lines
(power and output lines) (level 3);
2 kV between grounds
(power and output lines) (level 3)
Approved standards
UL508, CSA C22.2 No.14
Conforms to EN61010-1/IEC61010-1 (Pollution degree 2/overvoltage category II)
Conforms to VDE0106/P 100 (Finger Protection)
Case color
Rear section: Gray smoke; Front section: N1.5 (black)
Degree of protection
Panel surface: IP66 and NEMA Type 4X (indoors)
Rear case:
IP20
Terminal block: IP20
Weight
Approx. 80 g
Note: 1. Refer to the Life-test Curve.
2. Industrial electromagnetic environment (EN/IEC 61326-1 Table 2)
3
H8GN
■ Communications Specifications
Transmission path connections
Multidrop
Communications method
RS-485 (two-wire, half duplex)
Synchronization method
Start-stop synchronization
Baud rate (See note.)
1,200/2,400/4,800/9,600 bit/s
Transmission code
ASCII
Data bit length (See note.)
7 or 8 bits
Stop bit length (See note.)
1 or 2 bits
Error detection
Vertical parity (none, even, or odd) (See note.)
Block check character (BCC)
Flow control
Not supported.
Interface
RS-485
Retry function
Not supported.
Communications buffer
40 bytes
Reading and writing from H8GN
Reading present value and totalizing count value; reading/writing preset and set values; switching between SV-banks; switching between communications write-enabled/write-prohibited; reading/writing
other initial and advanced function setting parameters
Note: The baud rate, data bit length, stop bit length, and vertical parity can be individually set using the communications setting level.
■ Life-test Curve (Reference Values)
Switching operations (×103)
Resistive Load
Reference: A maximum current of 0.15 A can be switched at
125 VDC (cosφ = 1) and a maximum current of 0.1 A can
be switched if L/R is 7 ms. In both cases, a life of
100,000 operations can be expected. The minimum
applicable load is 10 mA at 5 VDC (failure level: P).
1,000
700
500
300
30 VDC (cosφ = 1)
250 VAC (cosφ = 1)
100
70
50
0
1
2
3
4
Load current (A)
4
H8GN
Connections
■ Block Diagram
Communications
circuit
(Basic
insulation)
Output circuit
(Functional
insulation)
(Basic
insulation)
Display circuit
Input circuit
Internal
control circuit
Key switch
circuit
Power supply
circuit
■ I/O Functions
Inputs
Counter inputs
Timer inputs
Outputs
CP1/CP2
• Receive count signals.
• Receive increment, decrement, individual, and quadrature inputs.
• In increment mode and decrement mode, CP1 is used for the count input and CP2 is used
for count prohibit input.
Reset
• Resets the present value. (Totalizing count value is not reset.)
(In increment mode or increment/decrement mode, the present value returns to 0; in Decrement Mode the present value returns to the set value.)
• The count input is not received during resetting.
• The RST indicator is lit during resetting.
Start
• Starts timing.
Reset
• Resets the timer. (In elapsed time mode the time returns to 0; in remaining time mode, the
time returns to the set value.)
• During resetting, timing stops and the control output turns OFF.
• The RST indicator is lit during resetting.
Gate
• Prohibits timing operation.
OUT
• Output made according to the output mode setting when the set value is reached.
■ Terminal Arrangement
■ Wiring
Use the following type of crimp terminals for M3 screw.
Communications*
*Only models with communications
RS-485
Not
connected
CP1/
Start
Output
5.8 mm max.
CP2/
Gate
Reset
5.8 mm max.
24-VDC
power supply
Contact inputs
Open-collector inputs
Note: (2) and (6) are connected internally.
Do not use unused terminals as relay terminals.
5
H8GN
Nomenclature
No. 1 Display
Displays the present value or parameter type.
When totalizing count is displayed, the
leftmost 4 digits of the 8-digit totalizing count
will be displayed. (Zeros suppressed)
Operation display 2
Indicator
Meaning
CMW
Lit when communications writing is enabled.
RST
Lit during reset using reset input or Reset Key.
OUT
Lit when control output is ON.
TOTAL Lit when totalizing count value is displayed.
Operation display 1
Displays the time unit when the
timer function has been selected.
No. 2 Display
Displays set value or
set value of the
parameter.
Displays the
rightmost 4 digits of
the count value (8
digits) when the
H8GN is used as a
totalizing counter.
(Zeros suppressed)
Example
5 h 30 min
123.4 s
Flashes while timer is on 0.0 min,
0 h 00 min, 0.0 h, or 0 h.
Level Key
Press this key to select the setup
level. The setup level is selected in
order "operation level" ←→
"adjustment level", "initial setting
level" ←→ "communications setting
level".
Mode Key
Press this key to select
parameters within each
level.
Down Key
Each press of this key decreases
values displayed on the No. 2
display. Hold down this key
continuously to decrease values
quickly. Also returns setting
items.
Up/Reset Key
Each press of this key
increases values
displayed on the No. 2
display. Hold down this
key continuously to
increase values quickly.
Also advances setting
items.
Reset Function
To reset the present
value, press this key
while the present value
is displayed.
If this key is pressed
while the totalizing
count value is
displayed, the totalizing
count value and the
present value will be
reset.
6
H8GN
Dimensions
Note: All units are in millimeters unless otherwise indicated.
H8GN
Panel cutout
M3 terminal screw
Separate
mounting
Gang mounting
(48 × No. of units
+1.0
− 2.5) 0
40 min.
The product cannot
be made waterproof
when gang-mounted.
• Insert the H8GN in the square cutout,
insert the adapter from the back, and push
the H8GN into the cutout as far as
possible. Use screws to secure the H8GN.
To make the H8GN waterproof, insert
waterproof packing and tighten the screws.
No. 1 display digit size
No. 2 display digit size
3.4 mm
7 mm
1.6 mm
• When mounting two or more products in a
cutout, be sure that the ambient
temperature does not exceed the
specifications.
• The mounting panel thickness must be 1 to
3.3 mm
5 mm.
Safety Precautions
Refer to Safety Precautions for All Counters.
!CAUTION
Tighten the terminal screws to the specified torque (approx. 0.5 N⋅m).
Fire or malfunction may result if the screws become loose.
Do not use the product in locations subject to flammable or explosive
gases. Doing so may result in explosion.
The service life of the output relays depends on the switching capacity
and switching conditions. Consider the actual application conditions
and use the product within the rated load and electrical service life.
Using the product beyond its service life may result in contact
deposition or burning.
Do not disassemble, repair, or modify the product. Doing so may
result in electric shock, fire, or malfunction.
Do not allow metal objects or conductive wires to enter the product.
Doing so may result in electric shock, fire, or malfunction.
Other Precautions
• Store at the specified temperature. If the H8GN has been stored at
a temperature of less than −10°C, allow the H8GN to stand at room
temperature for at least 3 hours before use.
• Use the product within the ratings specified for vibration, shock,
submerging in water, and exposure to oil.
• Do not use the product in locations subject to dust, corrosive
gases, or direct sunlight.
• Use the product within the ratings specified for temperature and
humidity.
• The product is designed for 24 VDC. Applying voltages other than
the rated one such as 100 to 240 VAC may damage the internal
elements.
• Separate the input signal devices, input signal cables, and the
product from the source of noise or high-tension cables producing
noise.
• Separate the product from the source of static electricity when
using the product in an environment where a large amount of static
electricity is produced (e.g., forming compounds, powders, or fluid
materials being transported by pipe).
• Do not expose the product to organic solvent such as thinner or
benzine, strong alkali materials, or strong acid materials. Doing so
may damage the product surface.
Application Precautions
1. Do not use the product in locations where condensation may
occur due to high humidity or where temperature changes are
severe.
2. Be sure to wire terminals correctly, with the correct polarity.
3. Maintain the power supply voltage within the allowable ranges.
4. Connect the power supply through a relay or switch so that the
voltage reaches a fixed value immediately. If the voltage
increases gradually the power supply may be reset or outputs
may turn ON.
5. When the power is turned ON, an inrush current (approx. 15 A)
will flow momentarily. Depending on power supply capacities, the
product may not start due to this leakage current. The power supply must be of a sufficiently large capacity.
6. For the main power supply or the power supply for input devices,
use a power supply transformer whose primary side is insulated
from the secondary side and whose secondary side is not
grounded.
7. Leaving the H8GN with outputs ON at a high temperature for a
long time may hasten the degradation of internal parts (such as
electrolytic capacitors). Therefore, use the product in combination
with relays and avoid leaving the product as long as more than 1
month with the output turned ON.
7
H8GN
Power Supplies
Response Delay Time When Resetting
When turning the power ON and OFF, input signal reception is possible, unstable, or impossible as shown in the diagram below.
The following table shows the delay from when the reset signal is
input until the output is turned OFF.
Power
supply
ON
OFF
Input
Minimum reset signal width
210 ms 0 to 50 ms
Impossible
5 ms
Possible
0 to 500 ms
Unstable Impossible
Unstable
Turn the power ON and OFF using a relay with a rated capacity of
15 A minimum to prevent contact deterioration due to inrush current
caused by turning the power ON and OFF.
When power is turned ON, a starting current flows momentarily.
Therefore, pay attention to the overcurrent detection level of the
power supply used.
3.7 to 6.0 ms
20 ms
19 to 21 ms
Output Delay Time
The following table shows the delay from when the timer value
passes the set value until the output is produced.
Actual Measurements in N or K Mode
Control output
Contact output
Timer Control with Power Start
To allow for the startup time of peripheral devices (sensors, etc.), the
H8GN starts timing operation between 210 to 260 ms after power is
turned ON (see diagram above). For this reason, in operations where
timing starts from power ON, the time display will actually start from
258 ms. If the set value is 258 ms or less, the time until output turns
ON will be a fixed value between 210 and 260. (Normal operation is
possible for set value of 259 ms or more.) In applications where a set
value of 258 ms or less is required, use start timing with signal input.
Output delay time
1 ms
Max. counting
speed
Output delay time*
30 Hz
17.3 to 18.9 ms
5 kHz
3.5 to 5.2 ms
*The variation in delays is due to different modes and conditions.
Mounting
Tighten the two mounting screws on the Adaptor. Tighten them alternately, a little at a time, so as to keep them at an equal tightness.
Adaptor
When the H8GN is used with power start in F mode (i.e., accumulative operation with output on hold), there will be a timer error (approximately 100 ms each time the H8GN is turned ON) due to the
characteristics of the internal circuitry. Use the H8GN with signal
start if timer accuracy is required.
Waterproof packing
Panel
Using the Prescale Function
The count will become incorrect if the prescale value is not set
correctly. Check the setting to be sure it is correct.
Changing the Set Value
In Counter Operation
When changing the set value during operation, the output will turn
ON if the set value equals the present value.
The H8GN’s panel surface is water-resistive (conforming to NEMA
4X (indoors) and IP66). In order to prevent the internal circuit from
water penetration through the space between the Counter and operating panel, attach a rubber packing (provided with the H8GN)
between the Counter and operating panel and secure the rubber
packing with the Flush-mounting Adaptor.
In Timer Operation
When changing the set value during operation, if the set value is
changed in so that the conditions below are satisfied, the Timer operates in the same way as when the present value reaches the set
value because a constant read-in system is in use. Depending on the
output mode, this may result in output turning ON.
Timer mode UP:
Present value ≥ set value
Timer mode DOWN:Elapsed time ≥ set value
(Present value = 0)
Output
The SPDT (single-pole, double-throw) consists of an SPST-NO contact and an SPST-NC contact. Do not form a circuit with 3-point
short-circuit (power short-circuiting with arc).
Note: When in DOWN mode, the amount set value is changed is added to or subtracted from the present value.
Operation with a Set value of 0
Short-circuit current
Power supply
In Counter Operation
The output will turn ON if the set value (0) equals the present value.
The output will be OFF while the Reset Key is pressed or the reset
input is ON.
In Timer Operation
a) When the output mode is set to A, B (one-shot output), D, or F,
output will turn ON when the start signal is input.
Reference
b) When the output mode is set to B (hold output), E, or Z, output will
remain OFF even when the start signal is input.
For details about communications functions, refer to H8GN Preset
Counter/Timer User’s Manual (Cat. No. M066).
8
H8GN
Operating Procedures
■ Initial Setup
The
and
Keys are used to switch between setup menus, and the amount of time that you hold the keys down for determines which setup
menu you move to. This section describes two typical examples.
Note: In the following sections, “PV” is used to indicate a present value and “SV” to indicate a set value.
1. Using the H8GN as a Counter
Typical Application Examples
1. Changing Set Values
• Setup Procedure
Power ON
Power ON
Operation Level
Set value and selections in each
display can be changed by pressing
the
and
Keys.
Present value (PV)/
set value (SV)
2. Displays
Press the Level Key for at
least 3 s. Operation stops.
No. 1 display
No. 2 display
Initial Setting Level
Typical Application
Input mode
Individual input
Output mode
F (overcount)
Counting speed
30 Hz
Input signal width
20 ms
Decimal point
None
Prescale
None
Check Counter/
Timer selection
Check Counter/Timer
selection
Function:
Set input mode
Use the
and
Keys to set the input mode
to individual mode.
Input mode:
Set output mode
Use the
and
Keys to set the output mode
to F.
Output mode:
Check counting
speed
Check the counting speed.
Counting speed:
Check input
signal width
Check the input signal width.
Input signal width:
Press the Level Key for at
least 1 s.
Operation starts.
Operation Level
Set SV
Press the
and
Keys to change the set
value to 100.
Reset PV
Press the
Start operation
PV/SV:
PV:
Key.
Operate
• Confirming Set Values
Set values are effective two seconds after key operation is stopped or when the
or
Key is pressed.
9
H8GN
2. Using the H8GN as a Timer
Typical Application Examples
1. Changing Set Values
• Setup Procedure
Power ON
Power ON
Operation Level
Set value and selections in each
display can be changed by pressing
the
and
Keys.
Present value (PV)/
set value (SV)
2. Display
Press the Level Key for at
least 3 s. Operation stops.
No. 1 Display
No. 2 Display
Typical Application Examples
Time range
0.0 to 999.9 s
Timer mode
DOWN (remaining time)
Output mode
A mode
Output time
Hold
Input signal width
20 ms
Initial Setting Level
Set Counter/Timer
selection
Use the
and
Keys to select the timer
function.
Function:
Set time range
Use the
and
Keys to set the time range to
999.9 s
Time range:
Check timer mode
Use the
and
Keys to set the timer mode to
remaining time.
Timer mode:
Check output mode Check the output mode.
Output mode:
Check output time
Check the output time.
Output time:
Check input signal
width
Check the input signal width.
Input signal width:
Press the Level Key for at
least 1 s. Operation starts.
Operation Level
Set SV
Use the
and
Keys to set the SV to 10.0.
PV/SV:
Reset PV
Press the
PV:
Start operation
Key.
Operate
• Confirming Set Values
Set values are effective two seconds after key operation is stopped or when the
or
Key is pressed.
10
H8GN
■ Setting Specifications after Turning ON Power
Outline of Operation Procedure
Key Operation
In the following descriptions, all the parameters are introduced in the display sequence. Some parameters may not be displayed depending on the
protection settings and operating conditions.
Power ON
+
Key
3 s. min. (default value)
Adjustment level
Operation level
Protect level
Key
less than 1 s.
+
Keys 1 s. min.
Key
1 s. min.
Key
3 s min.
Operation stops
Initial setting level
Key
Communications
setting level
less than 1 s.
Key
1 s. min.
Operation in progress
Password input set value "−169"
Operation stopped
Not displayed depending on model and settings.
Not displayed depending on model and settings.
Advanced function
setting level
Level change
Note: Of these levels, the initial setting level, communications setting level, and advanced function setting level can be used only when operation
has stopped. Control output is stopped when these three levels are selected. When switched back to the operation level from one of these
levels, operation will start.
Description of Each Level
Operation Level
Protect Level
• This level is displayed when you turn the power ON. You can move
to the protect level, initial setting level, and adjustment level from
this level.
• Normally, select this level during operation.
• During operation, the present value, set value, totalizing count
value, and setting number of SV-bank can be monitored using the
• To select this level, simultaneously press the
and
Keys
for at least three seconds (default value). This level is to prevent
unwanted or accidental modification of parameters. Protected levels will not be displayed, and so the parameters in that level cannot
be modified.
Key.
Adjustment Level
• To select this level, press the
Key once for less than one second.
• This level is for entering set value (SV 0 to 3) for operation. This
level contains parameters for communications writing enable/disable, set value of SV-bank, and cycle time (timer Z mode).
• You can move to the top parameter of the operation level, protect
level, or initial setting level from here.
Initial Setting Level
• To select this level, press the
Key for at least three seconds in
the operation level or adjustment level.
• This level is for selecting the function, input mode, time range, timer
mode, output mode, output time, counting speed, input signal
width, decimal point position, prescale value, and rising/falling edge
for input signal.
• You can move to the advanced function setting level or communications setting level from this initial setting level. To return to the operation level, press the
Communications Setting Level
• To select this level, press the
Key once for less than one second in the initial setting level. When the communications function is
used, set the communications conditions in this level. Communicating with a personal computer (host computer) allows set values to
be read and written.
Advanced Function Setting Level
• To select this level, you must change the initial settings/communications protection setting in the protect level to “0” and then enter the
password (“−169”) in the initial setting level.
• This level is for initializing settings, enabling SV-bank and totalizing
counter use, setting display auto-return time, and move- to-protectlevel time.
• You can move to the initial setting level from this level.
Key for at least one second. To move to
the communications setting level, press the
than one second.
key once for less
11
H8GN
Parameters
Operation Level
Adjustment Level
(1) PV/SV
(1) Communications writing control
(2) PV
(2) SV 0
(3) Totalizing count value
(2) SV 1
(4) SV-bank
(2) SV 2
1. PV/SV
This display appears when the power is turned ON. No. 1 display
shows the present value and No. 2 display shows the set value.
The values displayed will be determined by the settings for
Counter/Timer selection, time range, timer mode, and decimal
point position made in the initial setting level.
Use the
and
Keys to change the settings.
2. PV
No. 1 display will show the present value and No. 2 display will
remain blank. The values displayed will be determined by the settings for Counter/Timer selection, time range, timer mode, and
decimal point position made in the initial setting level.
Press the
3. Totalizing Count Value
The totalizing count value is displayed only if “totalizing
counter used” in the advanced function setting level has
been set to ON.
The leftmost four digits of the 8-digit totalizing count value will be
shown in No. 1 display and the rightmost four digits will be shown
in No. 2 display.
TOTAL
=Totalizing count value: 12,345,687
Press the
Key to simultaneously reset the
totalizing count value and the present value.
Key during
totalizing count
value display
PV
0→1→2→3→0→1→2→0→1→2
Totalizing count value
0→1→2→3→3→4→5→0→1→2
Refer to Input/Output Mode Settings on page 20 for information
on totalizing counter operation.
1. Communications Writing Control (cmwt)
Communications writing control is displayed only for models
with communications.
Allows or prohibits communications to write data from a personal
computer (host computer). Communications can be used to read
data regardless of this setting.
SV 0 to 3 is displayed only when “SV-bank used” in the
advanced function setting level has been set to ON.
Used to set the set value when the SV-bank function is used. The
operator can use the keys on the front to switch between the set
values (SV 0 to 3). When the set value is changed in operation
mode, the set value (SV 0 to 3) set in the adjustment level for SVbank will also change.
3. Cycle Time (cyti)
Cycle time is displayed only when the “output mode for timer
function” in the initial setting level has been set to “Z.”
Sets the cycle time used for ON/OFF-duty adjustable flicker mode
(Z). Cyclic control can be performed easily in ON/OFF-duty
adjustable flicker mode by first setting the cycle time in the adjustment level and by using the set value in operation level to change
the ON-duty ratio.
Controlling the flowrate by opening and closing the
electromagnetic valve by pulse control.
Cycle time
Close
ON duty (%)
Open
Control output
4. SV-bank (m-sp)
Switch between SV
SV-bank is displayed only when “SV-bank used” in the
advanced function setting level has been set to ON.
Select the SV-bank (SV 0 to 3). To use the SV-bank function, the
four set values (SV 0 to 3) can be set beforehand in the adjustment level. The keys on the front of the Unit can then be used during operation to switch between the set values. For models with
built-in communications, communications can be used to switch
between the set values.
SV
(3) Cycle time
2. SV 0 to 3 (sp-0, sp-1, sp-2, sp-3)
Key to reset the present value.
Key
during PV
display
(2) SV 3
Cycle time passed
Valve
Fully closed to
fully open
ON duty
0% to 100%
Set ON duty rate
as a percentage
ON duty can be changed like an analog input
by using the Up and Down Keys.
Refer to Input/Output Mode Settings on page 21 for information
on ON/OFF-duty adjustable flicker mode operation.
12
H8GN
Initial Setting Level
(1) Counter/Timer selection
(2) Input mode
6. Output Mode for Timer Function (outm)
The output mode is displayed only when “Counter/Timer
selection” in the initial setting level has been set to counter.
When the H8GN is to be used as a timer, set the output mode.
Refer to Input/Output Mode Settings on page 20 for information
on output mode operations.
7. Output Time (otim)
(3) Time range
(4) Timer mode
(5) Output mode for counter function
(6) Output mode for timer function
(7) Output time
The output time is displayed only when “output mode for
counter function” in the initial setting level has been set to C
or K or when “output mode for timer function” in the initial
setting level has been set to A or B.
When using one-shot output in the H8GN, set the output time for
the one-shot output (0.01 to 99.99 s).
One-shot output can be used only when the C or K output mode
is selected for counter function or A or B output mode is selected
for timer function.
If the output time is set to “0” when selecting timer function, the
output will be held. The output time cannot be set to “0” for
counter function.
8. Counting Speed (cnts)
(8) Counting speed
(9) Input signal width
(10) Decimal point position
The counting speed is displayed only when “Counter/Timer
selection” in the initial setting level has been set to counter.
When the H8GN is used as a counter, the operator can switch
between maximum counting speeds (30 Hz/5 kHz) for CP1 and
CP2.
Set to 30 Hz when using a contact for the input signal. When the
counting speed is set to 30 Hz, input signal chattering is removed.
9. Input Signal Width (iflt)
(11) Prescale value
(12) Input signal edge
(13) Move to advanced function setting level
1. Counter/Timer Selection (func)
Select to use the H8GN as either a counter or a timer.
2. Input Mode (cntm)
The input mode is displayed only when “Counter/Timer
selection” in the initial setting level has been set to counter.
When the H8GN is to be used as a counter, select increment,
decrement, individual, or quadrature for the input mode. If increment or decrement is selected, the input signal edge for CP1
(count input) can be switched using the input signal edge setting.
Refer to Input/Output Modes and Count Values on page 19 for
information on input mode operations.
3. Time Range (timr)
The time range is displayed only when “Counter/Timer selection” in the initial setting level has been set to timer.
When the H8GN is to be used as a timer, set the time range to be
timed.
4. Timer Mode (timm)
The timer mode is displayed only when “Counter/Timer
selection” in the initial setting level has been set to timer.
When the H8GN is to be used as a timer, set the elapsed or
remaining time mode.
Switches between minimum input signal widths (20 ms/1 ms) for
start, reset and gate inputs. All input signal widths are set
together via external input.
When the counter function is selected, only the reset input is set,
but when the timer function is selected the start, gate, and reset
inputs are all set together.
Set to 20 ms when using a contact for the input signal. When the
input signal width is set to 20 ms, input signal chattering is
removed.
10.Decimal Point Position (dp)
The decimal point position is displayed only when “Counter/
Timer selection” in the initial setting level has been set to
counter.
This determines the decimal point position for PV, SV, SV-bank
(SV 0 to 3), and totalizing count values. Press the
move the decimal point to the left and press the
it to the right.
Key to
Key to move
11.Prescale Value (pscl)
The prescale value is displayed only when “Counter/Timer
selection” in the initial setting level has been set to counter.
Converts the counter input pulse to any value within the setting
range (0.001 to 9.999).
Example: To have a display of @@.@@ m for a system that outputs 25 pulses when the object has been moved forward 0.5 m,
perform the following steps.
1. Set the decimal point position to before the second-last digit.
2. Set the prescale value to 0.02 (0.5 ÷ 25).
5. Output Mode for Counter Function (outm)
The output mode is displayed only when “Counter/Timer
selection” in the initial setting level has been set to counter.
When the H8GN is to be used as a counter, set the output mode.
Refer to Input/Output Mode Settings on page 20 for information
on output mode operations.
25 pulses
Encoder
Note: The count will become incorrect if the prescale value is not
set correctly. Check the setting to be sure it is correct.
13
H8GN
12.Input Signal Edge (edge)
The input signal edge will be displayed only when the “input
mode” at the initial setting level has been set to increment or
decrement.
Switches the CP1 input edge when the H8GN is used as an incrementing or decrementing counter. In the counter increment or
decrement modes, CP2 will function as the gate input and CP1
counting will be prohibited while CP2 is ON.
Refer to Input/Output Modes and Count Values on page 19 for
information on input mode operations.
13.Move to Advanced Function Setting Level (amoU)
This will be displayed only when the “initial setting/communications protection” in protect level is set to 0.
This setting enables the advanced function settings to utilize the
counter/timer functions to the maximum. To move to the
advanced function setting level, enter the password (−169) from
the initial setting level.
14
H8GN
Advanced Function Setting Level
Protect Level
(1) Operation/Adjustment Protection
(1) Parameter initialization
Restricts menu display and writing in the
operation and adjustment levels.
(2) SV-bank used
(2) Initial Setting/Communications Protection
Restricts menu display and moving to the
initial setting level/communications setting
level/advanced function setting level.
(3) Totalizing counter used
(3) Setting Change Protection
Restricts setting changes using front panel
keys.
(4) Display auto-return time
(4) Reset Key Protection
Restricts use of the Reset Key.
(5) Move-to-protect-level time
1. Parameter Initialization (init)
1. Operation/Adjustment Protection (oapt)
The following table shows the protection given for each setting
level.
Used to return all settings to default values.
Turn ON parameter initialization and shift to another display to
return all settings to default values.
2. SV-bank Used (nspu)
Set “SV-bank used” to ON and operate the keys from the panel to
switch between SV 0 to 3.
To use the SV-bank function, the set value (SV 0 to 3) must be set
beforehand in the adjustment level. These set value are then
used during operation by operating the keys on the front of the
Unit.
Setting level
Operation level
PV/SV
Other
0
Not protected
Not protected
Not protected
1
Not protected
Not protected
No display,
no level shift
2
Not protected
No display,
no level shift
No display,
no level shift
3
Display only
No display,
no level shift
No display,
no level shift
3. Totalizing Counter Used (tcnu)
Set totalizing counter use to ON to display and enable use of the
totalizing counter in the operation level. The present counter
function will continue to function. (The preset function cannot be
turned OFF.) The totalizing counter displays the leftmost four digits of the 8-digit totalizing count on No. 1 display and the rightmost
four digits on No. 2 display to enable 8-digit counting.
Not protected: Display and setting changes are possible.
Display only: Display is possible.
No display, no level shift: Display and level shifts are not possible.
The initial setting level is 0 and no protection is given at this setting level.
2. Initial Setting/Communications Protection (icpt)
4. Display Auto-return Time (ret)
If this function is used, the display in the operation and adjustment
levels will automatically return to the PV/SV display if no key operations have been made for the set period. (setting range: 1 to
99 s.)
The time before auto-return of the display can be set here. If this
setting is set to OFF, the auto-return function will not operate.
5. Move-to-protect-level Time (prlt)
If the
and
Keys are pressed for more than 3 seconds
in the operation level, the display will move to the protect level.
Use this setting to change the time that the key must be pressed
to any time within the setting range (3 to 30 s).
Adjustment
level
Moving to initial setting, communications setting, or advanced
function setting levels is restricted.
Setting
Initial setting
level
Communications
setting level
Advanced
function
setting level
0
OK
OK
OK
1
OK
OK
NO
2
NO
NO
NO
OK: Move to other levels possible
NO: Move to other levels not possible
The default setting is 1.
3. Setting Change Protection (wtpt)
Restricts setting changes using front panel keys.
Setting
Meaning
OFF
Settings can be changed by key operation.
ON
Settings cannot be changed by key operation.
(Only protect level settings can be changed.)
The default setting is OFF.
4. Reset Key Protect (rpt)
Prohibits the use of the Reset Key.
Setting
Meaning
OFF
PV and totalizing count values can be reset by the
Reset Key.
ON
PV and totalizing count values cannot be reset by
the Reset Key.
The default setting is OFF.
15
H8GN
Communications Setting Level
5. Parity (prty)
The communications specifications are set in the communications
setting level. Make the individual communications settings from the
front panel.
The parity can be set to none, even, or odd.
The communications parameters and their settings are listed in the
following table.
Parameter
Display
Settings
Set value
Communications
unit number
u-no
0 to 99
Baud rate
bps
1.2, 2.4,
4.8, or 9.6 1.2 / 2.4 / 4.8 / 9.6
(kbps)
Communications
data length
len
7/8 (bits)
Stop bits
sbit
1/2
1 / 2
Parity
prty
None,
even, or
odd
none / euen /
odd
0 / 1 to 99
7 / 8
Note: 1. The settings shown in reverse video are the default settings.
2. Settings made in the communications setting level are enabled when the power is turned ON again.
Before performing communications, perform the following procedure
with the front panel keys to set the communications unit number,
baud rate, and other settings. Refer to the communications manual
for operation methods for other communications settings.
1.Press the
Key for at least 3 seconds and move from the
operation level to the initial setting level.
2.Press the
Key and move from the initial setting level to the
communications setting level.
3.Press the
below.
4.Use the
Key to change the settings items as shown
and
Keys to change the settings data.
(1) Communications unit number
(2) Baud rate
(3) Communications data length
(4) Stop bits
(5) Parity
Align each communications setting with the settings on the personal
computer or other communications device.
1. Communications Unit Number (u-no)
When communicating with a host computer, set a unit number to
enable the host computer to identify each unit. The number can
be set in a range from 0 to 99 in increments of 1. The default unit
number is 1. When using multiple units, the units will not function
normally if the same unit number is set for more than one unit.
2. Baud Rate (bps)
Set the baud rate for communications with the host computer. The
settings correspond to the following baud rates.
1.2 (1,200 bps), 2.4 (2,400 bps), 4.8 (4,800 bps), and 9.6
(9,600 bps).
3. Communications Data Length (len)
The communications data length can be changed to either 7 or 8
bits.
4. Stop Bits (sbit)
The stop bits can be set to either 1 or 2.
16
H8GN
■ Parameters
Power ON
Power ON
Keys
+
3 s. min. (default value)
Operation level
Key
1 s. min.
Protect level
Communications
Key setting level
less than 1 s.
Password input
set value "−169"
Advanced
function setting
level
When
totalizing
counter
selected
Operation in progress
Operation stopped
No display due to model and settings
No display due to model and settings
When
using
SV-bank
PV/SV
See note 1.
PV
Press the
reset the PV.
Key 1 s. min.
Key to
Press the
Key to reset
Totalizing the totalizing count value and
count value the PV simultaneously
SV-bank
Level change
Advanced function setting level
Key less than 1s.
Operation level
Key 3 s. min.
+
Keys 1 s. min.
Key
3 s. min.
Initial
setting
level
Key
1 s. min.
Key
less than 1 s.
Adjustment
level
Key 1 s. min.
: SV 0
: SV 1
: SV 2
: SV 3
Key 1 s. min.
Initial setting level
Password input
(−169) and move
When
counter
selected
Parameter
initialization
: Initialize
: Not initialize
Use
SV-bank
: Use
: Not use
Use
totalizing
counter
: Use
: Not use
Display
auto-return
time
: No auto-return
: 1 to 99 s.
Move-toprotectlevel time
When
counter
selected
When
timer
selected
: 3 to 30 s.
Note: The parameters shown in reverse video are
the default settings.
Counter/
Timer
selection
: Counter
: Timer
Input
mode
: Increment
: Decrement
: Individual
: Quadrature
Time
range
Output
mode for
counter
When
timer
selected
Output
mode for
timer
When
counter
selected
When
counter
selected
See note 3.
:N
:F
: C*
: K*
: A*
: B*
:D
:E
:F
:Z
: 0.01 to 99.99 s
Output Counter
time
: 0.00 to 99.99 s
Timer
Output will be held if output time is 0.
Output time cannot be set to 0 when
counter function is selected.
: 30 Hz
Counting
speed
: 5 kHz
Input signal
width (start,
reset, gate)
: 20 ms
: 1 ms
Decimal
point
position
:0
: 0.0
: 0.00
: 0.000
Prescale
value
When
increment
or
decrement
selected in
counter
input mode
: Elapsed time
: Remaining time
Timer
mode
When
counter
selected
When the
above C*,
K*, A*, or
B* mode
selected
See note 2.
Input
signal
edge
: 0.001 to 9.999
: Counting on rising edge
: Counting on falling edge
Move to advanced function setting level.
17
H8GN
+
Adjustment level
Key for more than set time (The default setting is 3 s.)
Protect level
+
Key for 1 s. min.
Models with
communications
Communications
writing
: Enabled
: Disabled
: Level 0
: Level 1
: Level 2
See note 1.
SV 1
See note 1.
Setting
changes
protection
: No key-operated
setting changes
: Key-operated setting
changes allowed
SV 2
See note 1.
Reset Key
protect
: Reset Key disabled
: Reset Key enabled
SV 3
See note 1.
Cycle time See note 1.
Communications setting level
Communications
Unit No.
Baud rate
Models with
communications
Initial
settings/
communications
protection
: Level 0
: Level 1
: Level 2
: Level 3
SV 0
When using
SV-bank
When timer
output mode
Z is selected
Operation/
adjustment
protection
Data
length
/
: 0 to 99
: 1,200 bps
: 2,400 bps
: 4,800 bps
: 9,600 bps
: 7 bits
: 8 bits
Note: 1. Counter (increment or decrement)
: 0 to 9999
Counter (individual or quadrature)
: −999 to 9999
Timer (cycle time or mode other than output mode Z)
: 0.000 to 9.999 s
: 0.00 to 99.99 s
: 0.0 to 999.9s, min, h
: 0 to 9999 s, h
: 0 min 00 s to 99 min 59 s
: 0 h 00 min to 99 h 59 min
Timer (output mode Z)
: 0% to 100% (ON duty)
2. Time range
: -.---s
Stop bits
: 1 bit
: 2 bits
: --.--s (default)
: ---.-s
Parity
: None
: Even
: Odd
: ----s
: --min--s
: ---.-min
Note : Settings made in the communications
setting level are enabled when the power
is turned ON again.
: --h--min
: ---.-h
: ----h
3. Displayed when level 0 is selected for initial setting/
communications protection in the protect level.
18
H8GN
■ Operating Mode
Input/Output Modes and Count Values
Up (Increment) mode (up)
Input
edge
UP
CP1: Count input
CP2: Count prohibit input
Down (Decrement) mode (down)
CP1: Count input
CP2: Count prohibit input
Count
prohibit
Count
prohibit
n
n-1
n-2
Count
n-3
Count
n-4
n-5
DOWN
CP1: Count input
CP2: Count prohibit input
CP1: Count input
CP2: Count prohibit input
Count
prohibit
Count
prohibit
n
n-1
n-2
Count
Count
n-3
n-4
n-5
Up/Down B Individual input (ud-b)
Count
Up/Down C quadrature input (ud-c)
Count
Note: 1. (A) indicates the minimum signal width and (B) requires at least 1/2 the minimum signal width. If these conditions are not met, a counting
error (+1 or −1) may occur.
2. The following table explains the L and H symbols in the above graphics.
Symbol
Input
H
Short-circuited
L
Open
19
H8GN
Input/Output Mode Settings
Counter Function
Input mode
Up
Output
mode
Down
Up/Down B.C
N
Reset
9999
SV
0
−999
Output
F
Reset
9999
SV
0
−999
Output
C
Reset
9999
SV
0
−999
t
t
t
t
t-a
t
t
t
t
Output
K
Reset
9999
SV
0
−999
t-a
t
t-a
t-a
t
t-a
t
Output
Note: 1. t: output time. t − a < t : Less than the output time.
2. If there is a power failure during output ON, output will turn ON again when the power supply has recovered. For one-shot output, an
output will be made again for the duration of the output time setting once the power supply has resumed.
3. Output timing restarted during one-shot outputs is ignored.
Totalizing Counter Operation
Reset
Totalizing
count reset
(reset key)
PV
• Totalizing counter continues to count the present
value, regardless of whether an reset input (by the
reset key) has been made to reset the PV.
• When totalizing count value is reset, the PV is
reset at the same time.
• The totalizing count range is 0 to 99,999,999. If the
totalizing count exceeds 99,999,999, the count
returns to 0. If the count drops below 0, it becomes
99,999,999.
Totalizing
count value
20
H8GN
Timer Function
B mode: Flicker (See note.)
Power
supply
Power
supply
Start
Start
Gate
Gate
Reset
Reset
Control
output
Control
output
Timer display
Timer display
A mode: Signal ON-delay (See note.)
SV
UP
0
SV
DOWN
0
SV
UP
0
SV
DOWN
0
D mode: Signal OFF-delay
E mode: Interval
Power
supply
Power
supply
Start
Start
Gate
Reset
Reset
Control
output
Control
output
SV
UP
Timer display
Timer display
Gate
0
SV
DOWN
0
SV
UP
0
SV
DOWN
0
F mode: Accumulative
Z mode: ON/OFF-duty adjustable flicker
Power
supply
Power
supply
Start
Start
Gate
Gate
Reset
Reset
Control
output
Cycle time
ON duty setting
(%) ON time
SV
UP
Timer display
Timer display
Control
output
0
SV
DOWN 0
UP
0
Cycle time
ON duty setting
(%) ON time
DOWN
0
Note: One-shot output or HOLD output can be selected for output:
Z Mode
Output quantity can be adjusted by changing the cycle time set in the adjustment level to 1 and by changing the ON duty (%) set value.
The set value shows the ON duty (%) and can be set to a value between 0 and 100 (%). When the cycle time is 0, the output will always be OFF.
When the cycle time is not 0 and when ON duty has been set to 0 (%), the output will always be OFF. When ON duty has been set to 100 (%), the
output will always be ON.
Cycle time
ON duty (%)
Cycle time
Control output
21
H8GN
■ Troubleshooting
When an error occurs, the error code is displayed on the main display. Take countermeasures according to the code.
No. 1 display
e111
Error contents
Countermeasure
No display
No. 2 display
Memory error (RAM)
Turn the power OFF and ON again. If normal operation is still not restored,
it may be necessary to repair or replace the H8GN. If normal operation is
restored by turning the power supply OFF and ON, it is possible that there
is noise interference. Check that there is nothing in the vicinity that may be
the source of noise.
e111
sum
Memory error (EEP)
e1
No display
CPU error
- - - Flashes
Set value displayed or Present value underno display
flow
This is not an actual error. This display indicates that the present value has
dropped to a value less than −999. Reset using reset input or pressing the
Up Key when “– – – –” is displayed.
Note: Error codes are displayed only if PV/SV or PV is being displayed.
22
H8GN
Additional Information
■ Parameters List
Fill in your set values in the Set value column of the following tables and utilize the tables for quick reference.
Protect Level
Parameter name
Parameter
Setting range
Default
value
Operation/Adjustment Protection
oapt
0 to 3
0
Initial Setting/Communications Protection
icpt
0 to 2
1
Setting Change Protection
wtpt
on/off
off
Reset Key Protection
rpt
on/off
off
Unit
Set value
Unit
Set value
Operation Level
Parameter name
Present val- PV
ue (PV)/
Set Value
(SV)
SV
Parameter
Default
value
Counter
-999 to 9999/---- (PV<–999)
Timer
0.000 to 9.999 (Time range=-.---s)
0.000
Second
0.00 to 99.99 (Time range=--.--s)
0.00
Second
Counter
Timer (Output mode:
A, B, D, E,
F)
Timer (Output mode:
Z)
PV
0
0.0 to 999.9 (Time range=---.-s)
0.0
Second
0 to 9999 (Time range=----s)
0
Second
0:00 to 99:59 (Time range=--min--s)
0:00
Minute:
Second
0.0 to 999.9 (Time range=---.-min)
0.0
Minute
0:00 to 99:59 (Time range=--h--min)
0:00
Hour:
Minute
0.0 to 999.9 (Time range=---.-h)
0.0
Hour
0 to 9999 (Time range=----h)
0
Hour
0 to 9999 (Input mode=Up or Down)
0
-999 to 9999 (Input mode=Individual or quadrature)
0
0.000 to 9.999 (Time range=-.---s)
0.000
Second
0.00 to 99.99 (Time range=--.--s)
0.00
Second
0.0 to 999.9 (Time range=---.-s)
0.0
Second
0 to 9999 (Time range=----s)
0
Second
0:00 to 99:59 (Time range=--min--s)
0:00
Minute:
Second
0.00 to 999.9 (Time range=---.-min)
0.0
Minute
0:00 to 99:59 (Time range=--h--min)
0:00
Hour:
Minute
0.00 to 999.9 (Time range=---.-h)
0.0
Hour
0 to 9999 (Time range=----h)
0
Hour
0 to 100
0
%
Same as for PV in the above PV/SV column.
Totalizing count value
SV-bank
Setting (display) range
m-sp
0 to 99999999
0
0/1/2/3
0
23
H8GN
Adjustment Level
Parameter name
Parameter
Setting range
Communications writing
control
cmwt
on/off
SV 0
sp-0
Same as for PV in the above PV/SV column.
SV 1
sp-1
Same as for PV in the above PV/SV column.
SV 2
sp-2
Same as for PV in the above PV/SV column.
SV 3
sp-3
Same as for PV in the above PV/SV column.
Cycle time
Timer (Out- cyti
put mode=Z)
Default
value
Unit
Set value
off
0.000 to 9.999 (Time range=-.---s)
0.000
Second
0.00 to 99.99 (Time range=--.--s)
0.00
Second
0.0 to 999.9 (Time range=---.-s)
0.0
Second
0 to 9999 (Time range=----s)
0
Second
0:00 to 99:59 (Time range=--min--s)
0:00
Minute: Second
0.0 to 999.9 (Time range=---.-min)
0.0
Minute
0:00 to 99:59 (Time range=--h--min)
0:00
Hour: Minute
0.0 to 999.9 (Time range=---.-h)
0.0
Hour
0 to 9999 (Time range=----h)
0
Hour
Initial Setting Level
Parameter name
Parameter
Setting range
Default
value
Counter/Timer selection
func
cnt/tim
cnt
Input mode
cntm
up/down/ud-b/ud-c
up
Time range
timr
-.---s/--.--s/---.-s/----s/
--min--s/---.-min/--h--min/
---.-h ----h
--.--
Timer mode
timm
up/down
up
Output mode for counter
function
outm
n/f/c/k
n
a/b/d/e/f/=
a
Output mode for timer func- outm
tion
Output time
Counter
otim
Timer
0.01 to 99.99
0.50
Second
0.00
Second
Counting speed
cnts
30h=/skh=
30h=
iflt
20ms/1ms
20ms
Decimal point position
dp
----/---.-/--.--/-.---
----
Prescale value
pscl
0.001 to 9.999
1.000
Input signal edge
edge
up/down
up
-999 to 9999
0
Set value
Second
0.00 to 99.99
Input signal width
Move to function setting lev- amou
el
Unit
Communications Setting Level
Parameter name
Parameter
Setting range
0 to 99
Default
value
Unit
Communications unit number
u-no
Baud rate
bps
1.2/2.4/4.8/9.6
9.6
kbps
Communications data
length
len
7/8
7
bit
Stop bits
sbit
1/2
2
bit
Parity
prty
none/eUen/odd
eUen
Set value
1
24
H8GN
Advanced Function Setting Level
Parameter name
Parameter
Setting range
Default
value
Unit
Parameter initialization
init
on/off
off
SV-bank used
mspu
on/off
off
Totalizing counter used
tcnu
on/off
off
Display auto-return time
ret
off/1 to 99
off
Second
Move-to-protect-level time
prlt
3 to 30
3
Second
Set value
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
In the interest of product improvement, specifications are subject to change without notice.
25
Terms and Conditions Agreement
Read and understand this catalog.
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you
have any questions or comments.
Warranties.
(a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship
for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron
disclaims all other warranties, express or implied.
(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER
ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE
PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the
Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at
Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or
replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount
equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty,
repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products
were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate
modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall
not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or
electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice,
recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above
warranty.
See http://www.omron.com/global/ or contact your Omron representative for published information.
Limitation on Liability; Etc.
OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,
WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.
Suitability of Use.
Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the
combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable
third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself
is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine,
system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product
with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE
QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS,
AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE
OVERALL EQUIPMENT OR SYSTEM.
Programmable Products.
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence
thereof.
Performance Data.
Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining
suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate
it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.
Change in Specifications.
Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our
practice to change part numbers when published ratings or features are changed, or when significant construction changes are
made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers
may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at
any time to confirm actual specifications of purchased Product.
Errors and Omissions.
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical or proofreading errors or omissions.
2015.7
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2015 All Right Reserved.
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