Command Set
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ADAM 4100 Series User’s Manual
4.6.7
$AAX2
Name Read Safety Flag
Description Requests the Safty Flag of the 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 which is to be accessed.
X0 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 indicating that a valid command was
received
? is a delimiter character indicating that the command was
invalid
(cr) is the terminating character, carriage return (ODh).
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