Omron CS1W-AD041-V1 - Output Offset and Gain Adjustment Procedures

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Adjusting Offset and Gain Section 4-7
!Caution Set the PLC to PROGRAM mode when using the Analog Output Unit in
adjustment mode. If the PLC is in MONITOR mode or RUN mode, the Analog
Output Unit will stop operating, and the output values that existed immediately
before this stoppage will be retained.
!Caution Always perform adjustments in conjunction with offset and gain adjustments.
4-7-2 Output Offset and Gain Adjustment Procedures
Specifying Output
Number to be Adjusted
To specify the output number to be adjusted, write the value to the rightmost
byte of CIO word n as shown in the following diagram.
For the CIO word addresses, n = CIO 2000 + unit number x 10.
The following example uses output number 1 adjustment for illustration. (The
unit number is 0.)
Bits Used for Adjusting
Offset and Gain
The CIO word n+1 bits shown in the following diagram are used for adjusting
offset and gain.
(Rightmost)
(Leftmost)
Word n
Output to be adjusted (1 to 8)
(1 to 4 for CS1W-DA041)
I/O specification
1: Output (fixed)
CLR
000000 CT00
SHIFT
CH
*DM
2
C
0
A
0
A
0
A
MON
2000 0000
CHG
2000 0000
PRES VAL ????
1
B
1
B
WRITE
2000 0011
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Bit
Word n+1
Clear Bit
Set Bit
Up Bit
Down Bit
Gain Bit
Offset Bit