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Chapter 2.
3)
SPECIFICATIONS
Offset / Gain Setting
(1) Offset/gain setting of the G3F-AD4A
a) Offset/gain sets procedure.
: Offset/gain setting is performed for 16 channels in block.
Set the channel switch to No 0
Write a program for the A/D conversion into the memory
of the CPU module, and operate the CPU module.
Digital value and channel
display setting
After making programs of
used channel, operate the
CPU module
Apply offset voltage (or current) to input terminal of channel 0.
Offset micro adjustment
Adjust the offset trimmer until the digital value on the LED
display corresponds to the offset value.
Apply gain voltage (or current) to input terminal of channel 0.
Gain micro adjustment
Adjust the gain trimmer until the digital value on the LED
display corresponds to the gain value.
Offset/gain micro adjustment has been completed
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