Omron CS1W-AD041-V1 Operation Manual page 364

Adjusting Offset and Gain
Gain Adjustment
1,2,3...
The procedure for adjusting the analog input gain is explained below. As
shown in the following diagram, the gain is adjusted by sampling inputs so
that the conversion value is maximized.
0FA0
Input signal range:
0 to 10 V
The following example uses input number 1 adjustment for illustration. (The
unit number is 0.)
1. Turn ON bit 01 (the Gain Bit) of CIO word n+1. (Hold the ON status.)
C A
CONT
SHIFT
2 0
#
SET
The analog input's digital conversion values while the Gain Bit is ON will
be monitored in CIO word n+8.
2. Check whether the input devices are connected.
A5
A6
A7
A5
A6
A7
For current input, check that the voltage/
current switch is ON.
Gain adjustment input range
0
A B A B
0
0 1
1
200101
200101
Voltage input
Current input
Section 7-9
10 V
MON
^ OFF
^ ON
+
−
Input 1
+
−
Input 1
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