Advantech 5000 Series - Manual (Page 205)

5080 Counter/
Command Set Frequency Module
$aaSiCj6
Example command: $26S3C26(cr)
response: !26(cr)
The command requests the channel 2 of ADAM-5080 in
slot 3 in ADAM-5000 system at address 26h to clear
counter value.
6-140 ADAM-5000