I-7088 and M-7088 User Manual, Rev: A1.2 7MH-026-A12
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2.35. $AAP
Description:
This command is used to read which communication protocol is
supported and being used by the module.
Syntax:
$AAM[CHKSUM](CR)
$
Delimiter character
AA
The address of the module to be read (00 to FF)
P
The command to read the communication protocol
Response:
Valid Command:
!AASC[CHKSUM](CR)
InValid Command:
?AA[CHKSUM](CR)
!
Delimiter character for a valid command
?
Delimiter character for an invalid comman
d
AA
The address of the responding module (00 to FF)
S
0: Only the DCON protocol is supported
1: Both the DCON and Modbus RTU protocols are
supported
C
0: The protocol set in EEPROM is DCON
1: The protocol set in EEPROM is Modbus RTU
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.