Rockwell Automation 2755-SNx Adaptascan Bar Code Readers - Manual (Page 131)

8–3 Communicating with a PLC-5
R
over an RS-232 or RS-422 Link
Publication 2755-6.8
For RS-422 installations, a special pinout cable must be constructed.
PLC-5/30, /40, /60
Channel 0
2 TxD+
14 TxD–
3 RxD+
16 RxD–
PIN
Note: Maximum run length 200 feet
AdaptaScan
Terminal Strip
RS-422/485
RxA–
RxB+
TxA–
TxB+
PIN
The screens in this section show the software configuration for the
PLC-5 using the programming software.
•
Set the PLC-5 Channel 0 to USER in the Channel Overview
screen.
Configuring the PLC
Processor