Command $AA3NVV
Description Trim output of specificed channel
Syntax $AA3NVV[CHK](cr)
$ a delimiter character
AA address of setting module (00 to FF)
3 command for trim output
N specificed channel for calibration
VV trim value, 00 for no change, increase from 01 to 7F(+127), and decrease from FF(-1) to 80(-128)
I-87022/26/24C/28C :
Type = 0/1, 4.88 uA each count
Type = 2, 2.44m V each count
I-87024 :
Type = 30/31, 0.3uA each count
Type = 32/33/34/35, 0.15mV each count
[CHK] 2 characters of Checksum
(cr) Character Return(0x0D) for denote the end of command
Response
Valid Command !AA[CHK](cr)
Invalid Command ?AA[CHK](cr)
Syntax error or communication error may get no response.
! delimiter for valid command
? delimiter for invalid command.
AA address of response module (00 to FF)
[CHK] 2 characters of Checksum
(cr) Character Return(0x0D) for denote the end of response
Example
Command $01321F
Response !01
Description Trim analog output of channel 2 of channel 1 to increase 31 counts, response success.
Reference $AA0N
$AA1N



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