Digital I/O and Relay Output
Counter/Frequency Command Set
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ADAM 4000 Series User’s Manual
$AAX2
Name Read Safety Flag command
Description Requests the Safety Flag of the addressed digital I/O module
to see whether the safety value has been executed since Write
Safety Value command was set.
Syntax $AAX2(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address that you will access to.
X2 is the Read Safety Flag command.
Response !XX (cr) if the command is valid.
XX is two-hexadecimal character – (00: OFF, 01: ON)
?AA(cr) if an invalid command has been issued.
! is a delimiter character which indicates a valid command.
? is a delimiter character which indicates an invalid
command.
(cr) is the terminating character, carriage return (ODh).
4055, 4056S, 4056SO,
4060, 4068, 4069