Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 403

When the input type is "current", "voltage", offset value < gain value.
8.
Apply the gain voltage or current to the corresponding
channel, and click the [Yes] button.
9.
Check that "Gain Status" has changed to "Changed",
and click the [Close] button.
10.
Click the [Yes] button.
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3.8 Offset/Gain Setting
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