Chapter Five: Remote RS-232 Operation Setup Messages
91
How To Set the Gain Compensation Factor
The gain compensation factor (GCF) modifies the gain value so that the controller gives the best
response to the low range set points.
When the 651 controller receives a set point in the range of the high sensor (Channel 1), it uses
the gain value entered with the [Mxvalue] command. When the controller receives a set point in
the range of the low range sensor (Channel 2), it uses a percentage of the high range gain
determined by the GCF.
The messages described here set and report the gain compensation factor.
The command [GCvalue] sets the gain compensation factor, where:
value = 0 to 100% of high range gain
To report the value of the gain compensation factor, enter:
RGC
The controller responds with the message [GCvalue], where:
value = 0 to 100% of high range gain
For example, if:
Mxvalue = 90.0
and:
GCF = 50
then:
Gain used for low range = 45.0
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