Rockwell Automation 2755-DM9, -DM9E High Speed Decoder - Manual (Page 98)

Interface
Chapter 7
Host Commands Using the RS-232 or RS-422
7–6
Example:
Command: CM3
Response: =00CR
Comments: 3 = output counter #3
00 = “command complete” response code
CR = end of message code for Carriage Return
Command: CTfcc
Function: Enables and disables the decoding of bar code types.
Response: =rr <end>
Comments: CT = Bar code type disable/enable command.
f = enable/disable bar code type
1- enabled
0- disabled
cc = code type
01- Code 39
02- Interleaved 2 of 5
03- Codabar
04- UPC-A
05- UPC-E
06- EAN-8
07- EAN-13
08- CODE 128
rr = response code, refer to Table 7.B.
<end> = end of message code.
Example:
Command: CT103
Response =00LF
Comments: 1 = enables bar code type
03 = Codabar bar code type
00 = “command complete” response code
LF = end of message code for Line Feed
3. Enable/Disable Bar Code Type