Omron CJ2 - Basic System Configuration; CPU Rack; Expansion Racks

2 Basic System Configuration and Devices
2-2
CJ2 CPU Unit Hardware User’s Manual
2-1 Basic System Configuration
z CPU Rack
A CPU Rack can consist of a CJ2 CPU Unit, a CJ-series Power Supply Unit, CJ-series Configuration
Units (Basic I/O Units, Special I/O Units, CPU Bus Units), and a CJ-series End Cover. The same CJ-
series Power Supply Units and CJ-series Configuration Units that are used with CJ1 CPU Units are
used with CJ2 CPU Units. An I/O Control Unit is required to connect a CJ-series Expansion Rack. A
Memory Card is optional.
z Expansion Racks
A CJ-series Expansion Rack can be connected to the CPU Rack or another CJ-series Expansion
Rack. An Expansion Rack can consist of an I/O Interface Unit, a Power Supply Unit, Basic I/O Units,
Special I/O Units, CPU Bus Units, and an End Cover.
2-1-1 Basic System Configuration
CPU Rack
Power Supply Unit
CPU Unit
I/O Control Unit
Configuration Units
(Basic I/O Units, Special
I/O Units, CPU Bus Units)
Configuration Units
(Basic I/O Units, Special
I/O Units, CPU Bus Units)
Expansion Rack
Power Supply Unit
I/O Interface Unit
End Cover
End Cover
Memory Card