Rockwell Automation 2755-SNx Adaptascan Bar Code Readers - Manual (Page 74)

4–18 Downloading Match Codes via DH485 Protocol with an SLC 5/03
t
or SLC 5/04
t
Controller
Publication 2755-6.8
The response of 3F90 indicates a good write of the match code.
3F90
Address (3F = 63) Response Code (90 = Successful)
(94 = Fail)
Note: Refer to the next page for a description of the response code
format and codes.
You can verify whether or not a correct match code was downloaded
by placing a bar code label in front of the reader so that it is scanned.
Observe the Output #1 LED on the top of the reader. When the
downloaded match code matches a scanned label, the output will turn
on.
If you receive a response code other than 90, refer to the response
code chart on the next page.