Chapter 6
$aaSi6
channels
enabled.
(cr) is the terminating character, carriage return (0Dh)
Example command: $02S16(cr)
response: !02FF(cr)
The command asks the analog input module in slot 1 of the system at address 02h to send the status of its input channels. The analog input module responds that all its multiplex channels are enable (FF equals 1111 and 1111).