Omron CS1W-AD041-V1 Operation Manual page 370

Adjusting Offset and Gain
!Caution Do not turn OFF the power supply or restart the Unit while the Set Bit is ON
!Caution When making adjustments, be sure to perform both the offset adjustment and
Gain Adjustment
5. Check the 0-V/1-V/4 mA output, and then turn bit 04 (the Set Bit) of CIO
word n+1 ON and then OFF again.
C
CONT
SHIFT
2
#
SET
RESET
While the Offset Bit is ON, the offset value will be saved to the Unit's EE-
PROM when the Set Bit turns ON.
6. To finish the offset adjustment, turn OFF bit 00 (the Offset Bit) of CIO word
n+1.
C
CONT
SHIFT
2
#
SET
(data is being written to the EEPROM). Otherwise, illegal data may be written
in the Unit's EEPROM and "EEPROM Errors" may occur when the power sup-
ply is turned ON or when the Unit is restarted, causing a malfunction.
gain adjustment at the same time.
Note The EEPROM can be overwritten 50,000 times.
The procedure for adjusting the analog output gain is explained below. As
shown in the following diagram, the set value is adjusted so that the analog
output is maximized (to 10 V/5 V/20 mA).
Output signal range:
0 to 10 V
A A B A
0
0 1 0
200104
200104
200104
A A B A
0
0 1
0
200100
200100
10 V
0
Section 7-9
E
4
MON
^ OFF
^ ON
^ OFF
A
MON
0
^ ON
^ OFF
Gain adjustment output range
0FA0
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