2.21 @AA
Description:
Reads the status of the digital input/output ports.
Syntax:
@AA[CHKSUM](CR)
@ Delimiter
character
AA
Address of the module to be read (00 to FF)
Response:
Valid command:
>(Data)[CHKSUM](CR)
Invalid command:
?AA[CHKSUM](CR)
>
Delimiter character for a valid command
?
Delimiter character for an invalid command or
invalid type code
AA
Address of the responding module (00 to FF)
(Data)
Status of the digital input/output ports, a four-digit
hexadecimal value. See Section 1.9 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.
tM Series DIO User Manual, Rev: A1.3 7PH-013-A13
77
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