Rockwell Automation 2755 Enhanced Decoder Series B - Manual (Page 241)

15–53 ASCII Host Commands
Publication 2755-833
HC - Configure Host Communications
Command Format: HCaaannnssspppfr
Function: Configures host communication parameters.
Parameters: aaannnssspppfr
Command
Parameter
Parameter Function Valid Values
aaa ACK (Acknowledge) character
ASCII decimal value
000 to 254
255 = None
nnn
NAK character
(Negative Acknowledgement)
ASCII decimal value
000 to 254
255 = None
sss Start scan character A
ASCII decimal value
000 to 254
255 = None
ppp Stop scan character A
ASCII decimal value
000 to 254
255 = None
f Large buffer enable 1=Yes, 0=No
r Send Message to Host
0 = At end of Trigger
1= Immediately after
Valid Package
Response: = rr <end>
rr = response code
<end> = end of message control code