Advantech ADAM 4100, User Manual, Page: 83 / 155

Chapter
4
Chapter 4 Command Set 4-43
4.6.5
$AAX0TTTTDD
Name
Write Safety Value
Description
Force the DO channels to safety status when communication
is in time-out and over pre-defined period.
Syntax
$AAX0TTTTDD(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address which is to be accessed.
X0 is to write the safety value command.
TTTT is the time, and it is 100ms per number. Turn off the
Communication WDT when TTTT is set to 0.
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. 7 6 5 4 3 2 1 0
Digital value
0 1 1 1 1 0 1 0
7A means that the status of channels 1, 3, 4, 5, 6 are ON, and
the rest are OFF.
(cr) is the terminating character, carriage return (0Dh).
Response
>(cr) if the command was valid.
?AA(cr) if an invalid command has been issued.
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.
? is a delimiter character indicating that the
command was invalid.
AA (range 00-FF) represents the responding 2-
character hexadecimal address of the digital I/O module.