Advantech 5000 Series user manual

Chapter 6
$aaSiCj6
Name Last Value Readback
Description Returns either the last value sent to the specified
channel by a #aaSiCj(data) command, or the start-up
output current/voltage.
Syntax $aaSiCj6(cr)
$ is a delimiter character.
aa (range 00-FF) represents the 2-character hexadecimal
address of the ADAM-5000 system.
SiCj identifies the I/O slot i (i : 0 to 3) and the channel
j (j : 0 to 3) for the module you want to return a prior
value.
6 is the last value readback command.
(cr) is the terminating character, carriage return (0Dh)
Response !aa(data)(cr) if the command is valid.
?aa(cr) if an invalid operation was entered.
There is no response if the module detects a syntax error
or communication error or if the specified address does
not exist.
! delimiter character indicating a valid command was
received.
? delimiter character indicating the command was
invalid.
aa (range 00-FF) represents the 2-character hexadecimal
address of an ADAM-5000 system.
(data) is the value that is returned by the analog output
module. The format of the data depends on the module‘s
configurated data format.
(cr) is the terminating character, carriage return (0Dh)
ADAM-5000 6-105