Allen-Bradley 2755-HDG-4 User Manual page 34

Scanner to PLC Application
Use the 25-Pin RS-232 Synapse cable (Catalog No. 2755-HFC-SR2-01)
to connect the scanner cable to the channel 0 port on a PLC-5. The
channel 0 port must be configured for RS-232 communications.
Power Supply
Note: The power supply
should be connected last.
Refer to the user manuals for the Allen-Bradley 6200 Series
Programming Software to make sure the channel 0 settings match the
Synapse cable settings.
Connecting and Operating Scanner
Scanner Cable
RS-232 Synapse Cable
(2755-HFC-SR2-01)
To Channel 0 Port
2-15
Scanner
PLC-5
Publication 2755-6.2