Slc ladder logic program – Rockwell Automation 2755-SNx Adaptascan Bar Code Readers User Manual
Page 98
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6–3
Communicating with an SLC
t
over an RS-232 Link
Publication 2755-6.8
•
Configure Channel 0 in the Channel 0 User Mode Configuration
screen.
Note: Termination 1 is set for
\d
or Carriage Return
[CR]
, and
Termination 2 is set for
\a
or Line Feed
[LF]
. These terminators,
along with the
ARL
instruction in the SLC 500, allow the User port to
read in one message at a time with
[CR][LF]
terminators.
The sample ladder logic below instructs the SLC 5/03 or 5/04 to read
one string of ASCII data terminated with
[CR][LF]
.
Refer to the SLC 5/03 user manual for detailed information on using
the SLC 5/03 or 5/04 programming software including the ASCII
instructions.
SLC Ladder Logic
Program
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