Output Offset And Gain Adjustment Procedures - Omron CS1W-AD041-V1 Operation Manual

Adjusting Offset and Gain
!Caution Set the PLC to PROGRAM mode when using the Analog Output Unit in
!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
Bits Used for Adjusting
Offset and Gain
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.
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.
(Leftmost)
Word n
I/O specification
1: Output (fixed)
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.)
CLR
C A
CH
SHIFT
2 0
*DM
CHG
B B
WRITE
1
1
The CIO word n+1 bits shown in the following diagram are used for adjusting
offset and gain.
Bit
15 14 13
Word n+1
(Rightmost)
Output to be adjusted (1 to 8)
(1 to 4 for CS1W-DA041)
000000 CT00
A A
0 MON
0
2000
2000
PRES VAL
2000
12 11 10 09 08 07
Section 4-7
0000
0000
????
0011
06 05 04 03 02 01 00
155