Chapter 4 Command Set 4-165
4050, 4052, 4053, 4060, 4051, 4055, 4068
Chapter 4
$AAF
Name Read Firmware Version
Description The command requests the digital I/O module at address AA to
return the version code of its firmware
Syntax $AAF (cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address of the digital I/O module that you want to
interrogate.
F identifies the version command.
(cr) is the terminating character, carriage return (ODh)
Response !AA(Version)(cr) if the command is valid.
There is no response if the module detects a syntax error or
communication error, or if the specified address does not exist.
! is a delimiter character indicating a valid command was
received.
AA (range 00-FF) represents the 2-character hexadecimal
address of a digital I/O module.
(Version) is the version code of the module’s firmware at
address AA.
(cr) is the terminating character, carriage return (ODh).
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