Rockwell Automation 2755-DM9, -DM9E High Speed Decoder - Manual (Page 112)

Interface
Chapter 7
Host Commands Using the RS-232 or RS-422
7–20
Command: SLccssttuuvvwwxxyyzz
Function: Specifies code length for Code 39, Interleaved 2-of-5,
Codabar, and Code 128 labels.
Response: =rr<end>
Comments: cc = bar code type:
01 = Code 39
02 = Interleaved 2-of-5
03 = Codabar
08 = Code 128
ss, tt, uu, vv, ww, xx, yy, zz are the specified lengths. These must be values
from 00 through 64. A length of 00 means lengths are not checked and any
length up to 64 characters is acceptable. Any value to the right of a 00 entry
will be ignored. The length for Interleaved 2-of-5 must be an even number.
rr = response code, refer to Table 7.B.
<end> = end of message code.
Example:
Command: SL032008000000000000
Response: =00CRLF
Comments: 03 = Codabar bar code type selected.
20 = bar code length of 20 specified.
08 = bar code length of 8 specified.
000000000000 = no specified lengths for the remaining six
length fields.
00 = “command complete” response code.
CRLF = end of message code for Carriage Return and Line
Feed.
24. Set Bar Code Specific
Length