Offset/Gain Processing - Panasonic FP7 User Manual

6.2 Offset/Gain processing

Overview of Functions
• Offset value (added correction) and gain value (magnification correction) adjustments are
made to store processed data in the I/O area.
Analog input
data
• Offset value settings are used as a function (zero-point adjustment) to make offset error
adjustments between load devices. If the analog conversion value is K50 when the analog
input value is 0 V, the analog conversion data is corrected to 0 V based on K-50 as an
offset value.
50
• Gain value settings are used as a function to adjust delicate scale errors between load
devices. The gain value slope can be changed in a range of x0.9 to x1.1.
• Offset/Gain processing is executed on a channel-by-channel basis.
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Offset processing
(K)
(V)
Offset
processing
(K)
(V)
Gain
processing
6.2 Offset/Gain processing
Gain processing
(K)
(K)
Analog post-
processing data
(V)
Gain x 1.1
Gain x 0.9
(V)
6-5