Offset / Gain Setting; Offset/Gain Setting Of The G3F-Ad4A - LG G3F-AD4A User Manual

Chapter 2. SPECIFICATIONS

3) 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.
Write a program for the A/D conversion into the memory
Apply offset voltage (or current) to input terminal of channel 0.
Adjust the offset trimmer until the digital value on the LED
Apply gain voltage (or current) to input terminal of channel 0.
Setting input range switch and input select switch
of the CPU module, and operate the CPU module.
display corresponds to the offset value.
Adjust the gain trimmer until the digital value on the LED
display corresponds to the gain value.
Offset/gain micro adjustment has been completed
2 - 21
Select input range
After making programs of
used channel, operate the
CPU module
Offset micro adjustment
Gain micro adjustment