Advantech RS-485 Barcode Reader User Manual


 
ADAM-5000 6-109
Chapter 6
$aaSi6 $aaSi6
aa (range 00-FF) represents the 2-character hexadecimal
address of an ADAM-5000 system.
(datainput) a 2-character hexadecimal value representing
the input values of the digital input module.
(dataoutput) a 2-character hexadecimal value which is the
readback of a digital output channel or relay.
(cr) is the terminating character, carriage return (0Dh)
Example command: $33S26(cr)
response: !33112200(cr)
The command asks the digital input module in slot 2 of
the ADAM-5000 system at address 33h to return the
values of all of its channels.
The first 2-character portion of the response indicates
the address of the ADAM-5000 system. The second 2-
character portion of the response, value 11h (00010001),
indicates that digital input channels 8 and 12 are ON,
channels 9, 10, 11, 13, 14 and 15 are OFF. The third 2-
character portion of the response, value 22h (00100010),
indicates that digital input channels 1 and 5 are ON, and
channels 0, 2, 3, 4, 6 and 7 are OFF.