ICP DAS USA M-7065 User Manual page 62

2.19 @AA
Description:
Reads the status of the digital input/output ports.
Syntax:
@AA [CHKSUM](CR)
@ Delimiter character
AA Address of the module to be set (00 to FF)
Response:
Valid Command:
Invalid Command: ?AA[CHKSUM](CR)
>
Delimiter for a valid command.
? Delimiter for an invalid command.
AA Address of the responding module (00 to
FF)
(Data) Status of the digital input/output ports, a
four-digit hexadecimal value. See Section 1.2
for details.
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.
M-7065 User's Manual Ver2.0, Dec. /200 8 ---62
>(Data)[CHKSUM](CR)