Chapter 4
Chapter 4 Command Set
4-43
4.6.6
$AAX1
Name Read Safety Value
Description Read the time-out setting and pre-defined safety status of DO
channels.
Syntax $AAX1(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address which is to be accessed.
X1 is the read safety value command.
Response ! TTTTDD(cr) if the command is valid.
DD is the two-hexadecimal character representing the desired
input safety value.
For Example: 7A
The meaning of 7A is as follows:
Adam-4117 channel no.76 5 43210
Digital value 01 1 11010
7A means channel 1, 3,4,5, 6 are ON; and the rest are OFF.
?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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