Rockwell Automation 2755 AtomScan Bar Code Reader - Manual (Page 126)

Application Examples E–10
Publication 2755-6.9
2. Configure Channel 0 in the Channel 0 User Mode Configuration
screen.
Note: Termination 1 is set for \a or Line Feed [LF], and
Termination 2 is set for \d or Carriage Return [CR]. These
terminators, along with the ARL instruction in the SLC, allow
you to read one message at a time with [CR] [LF] terminators.
SLC Program
The sample ladder logic listing below instructs the SLC 5/03 and
SLC 5/04 controllers to:
Rung 2:0 – Read one string of ASCII data terminated with a
[CR] [LF] .