Chapter 4
Chapter 4 Command Set
4-19
4.4.9
$AAF
Name Read Firmware Version
Description The command requests the analog input 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 that you want to access.
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 or
communication error, or even if the specified address does
not exist.
! is a delimiter character indicating that a valid command
was received.
AA (range 00-FF) represents the 2-character hexadecimal
address of an analog input 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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