Omron CS1W-AD041-V1 Operation Manual page 136

Adjusting Offset and Gain
When adjusting another input number
When adjusting the same input number
Offset adjustment
Offset Bit ON
!Caution Be sure to turn OFF the power to the PLC before changing the setting of the
!Caution The power must be cycled or the Unit restarted if the operation mode is set in
The following diagram shows the flow of operations when using the adjust-
ment mode for adjusting offset and gain.
Set the operation mode to adjustment mode.
MODE
Turn ON the PLC.
Set the input number.
(Bit 0 of CIO word
n+1 turns ON.)
Input adjustment
Sampling
input
(Add inputs so that
conversion value
becomes 0.)
(Bit 4 of CIO word
Set Bit ON
n+1 turns ON.)
Turn OFF power to the PLC.
Set the operation mode to normal mode.
MODE
operation mode switch.
DM word m+18.
Set the operation mode switch, or set the operation
ON
mode in DM Area word m+18, to adjustment mode.
OFF
The ADJ indicator will flash while in adjustment mode.
Start up the PLC in PROGRAM mode.
Write the input number to be adjusted
in the rightmost byte of CIO word n.
Gain adjustment
Gain Bit ON
Input adjustment
Sampling
input
(Add inputs so that
conversion value is
maximized.)
Set Bit ON
Set the operation mode switch, or set the operation
ON
mode in DM Area word m+18, to normal mode.
OFF
Section 3-7
(Bit 1 of CIO word
n+1 turns ON.)
(Bit 4 of CIO word
n+1 turns ON.)
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