Rockwell Automation 1785-BCM_BEM, D17856.5.4 PLC-5 Backup Communication Module User Manual - Manual (Page 59)

Installing Your 1785-BEM Module
Chapter 4
4-16
4. Connect a 1770-CD cable to terminals 9, 10, and 11 on each of the
1785-BEM wiring arms as shown in Figure 4.10.
Figure 4.10
Channel 2A Connections Added Between 1785-BEM Modules
1771 –P4S
Power Supply 1771 –P4S
Power Supply
Local I/O Chassis Local I/O Chassis
19091
See
Note
Shield
See
Note
Data Highway Plus – connect the signal conductors with Clear, Shield, and Blue insulation to
terminals 9, 10, and 11 of 1785 –BEM modules respectively.
Remote I/O – connect the signal conductors with Blue, Shield, and Clear insulation to terminals 9, 10, and 11 of
1785 –BEM modules respectively.
Channel 2A
Wire channel for either Data Highway Plus or Remote I/O.
1785-BCM module 1785-BEM module
PLC-5/40, -5/60, -5/80
1785-BCM module 1785-BEM module
PLC-5/40, -5/60, -5/80