Omron CS1D DUPLEX SYSTEM - 10-2009 Operation Manual page 197

Installation
CPU Rack or
Expansion Rack
Expansion Rack
Simple locking
connectors
The connectors can be inserted only one way; they cannot be inserted upside
down. Be sure that the connectors fit properly as they are inserted.
The connecting port for each CS-series I/O Connecting Cable depends on the
system configuration and the Rack being connected, as shown in the follow-
ing diagrams. The PLC will not operate properly if the Racks are not con-
nected as shown in the following diagrams.
Duplex CPU, Dual I/O Expansion System
CPU Rack
OUT
To next
CS1D I/O Control Unit
Rack
Duplex CPU, Single I/O Expansion System
CPU Rack
To next Rack
CV-series Long-distance I/O Connecting Cables: Connecting Long-
distance Expansion Racks
The following connections are used when an I/O Control Unit is mounted to
the CPU Rack. With the CS1D PLCs, an I/O Control Unit cannot be mounted
to an Expansion Rack.
To previous Rack
Expansion
Rack
OUT IN
To next
CS1D I/O Interface Unit
Rack
To
Expansion Rack
previous
Rack
IN OUT
To next Rack
Section 5-2
161