ICP DAS USA I-87211W User Manual page 55

2.12 $AA6
Description:
This command is used to read the status of the digital
input/output channels
Syntax:
$AA6[CHKSUM](CR)
$ Delimiter character
AA Address of the module in hexadecimal format (00
to FF)
6 Command to read the digital input/output
channels
Response:
Valid Command:
Invalid Command: ?AA[CHKSUM](CR)
! Delimiter for a valid command
? Delimiter for an invalid command
AA Address of the module in hexadecimal format (00
to FF)
(Data) The status of the digital input/output channels, a
four digit hexadecimal value followed by 00
There will be no response if the command syntax is incorrect,
there is a communication error, or there is no module with the
specified address.
!AA(Data)[CHKSUM](CR)
55/93 I-87211W User Manual V2.5, Oct. 2010
I-87211W User Manual