Advantech 5000 Series - Manual (Page 171)

Command Set 5024 Analog Output
$aaSiCj6
Example command: $0AS2C16(cr)
response: !0A03.000(cr)
The command tells channel 1 of the analog output
module in slot 2 of the ADAM-5000 system at address
0Ah to return the last output value it received from an
Analog Data Out command, or its start-up output
current /voltage.
The analog output module returns the value 3.000 mA
(this assumes that the module was configured for the
range 0-20 mA).
6-106 ADAM-5000