Rockwell Automation 2755-SNx Adaptascan Bar Code Readers - Manual (Page 289)

15–4 Downloading Match Codes via DH485 using a PLC-5 Processor and a 2760-RB Module
Publication 2755-6.8
Cabling
Cable 1 must be constructed to connect a configuration terminal to
the 2760-RB Module Configuration port.
Cable 2 must be constructed to connect the RS485 port of the bar
code reader wiring base to Port 1 on the 2760-RB module. Refer to
following cabling diagrams.
2760-RB
(config. port)
Dumb Terminal
(VT-1000)
GND 7 7 GND
Tx 2
Rx 3
3 Rx
2 Tx
25-pin D male 25-pin D female
Cable 1
2760-RB
Port 1
AdaptaScan
RS-422/485 Terminal
Strip
GND 7 GND
A
B
TxA
TxB
25-pin D male RS-485
Cable 2