Based Data Acquisition and Control System User's Manual

Chapter 6
$aaSiArrff
Example command: $24S1A0002(cr)
response: !24(cr)
The ADAM-5080 in Slot 1 of ADAM-5000 system at
address 24h is in Bi-direction mode and configured for
hexdecimal format.
ADAM-5000 6-123