Rockwell Automation 2755-SNx Adaptascan Bar Code Readers - Manual (Page 80)

4–24 Downloading Match Codes via DH485 Protocol with an SLC 5/03
t
or SLC 5/04
t
Controller
Publication 2755-6.8
Place the Match Code Hex command (Byte Swapped) in the
Destination File Address N7:90.
•
example bar code string = 0300
•
0300 converted to hex = 30333030
•
ASCII Hex command = 3F10CE010003040030333030
Byte Location 0 1 2 3 4 5
Byte Swapped N7:90 103F 01CE 0300 0004 3330 3030
In Slave Mode, file N7:80 will contain the response for a successful
download (i.e. 3F90) or failure (i.e. 3F94).
3F90
Address (3F = 63) Response Code (90 = Successful)
(94 = Fail)
Note: The response cannot be displayed at the same time as the
match code download. For this reason, an Examine If Close (XIC)
contact B3:0 is used to control when the response is requested.