M-7084 User Manual, Rev. A1.3 7PH-013-A13
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2.23 $AAPN
Description:
Sets the communication protocol.
Syntax:
$AAPN[CHKSUM](CR)
$
Delimiter character
AA
Address of the module to be read (00 to FF)
P
Command to set the communication protocol
N
0: DCON protocol
1: Modbus RTU protocols
Before using this command, the rear slide switch
must be in the INIT position. The new protocol is
saved in the EEPROM and will be effective after
the next power-on reset.
Response:
Valid Response:
!AASC[CHKSUM](CR)
Invalid Response:
?AA[CHKSUM](CR)
!
Delimiter character for a valid response
?
Delimiter character for an invalid response
AA
Address of the responding module (00 to FF)
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.