Basic System Configuration; Overview - Omron CJ1G/H-CPU series Operation Manual

Basic System Configuration

2-3 Basic System Configuration
2-3-1

Overview

CJ-series CPU Rack
CJ-series Expansion
Racks
CPU Rack
Power Supply Unit
Memory Card
Expansion Rack
Power Supply Unit
A CJ-series CPU Rack can consist of a CPU Unit, a Power Supply Unit, Basic
I/O Units, Special I/O Units, CPU Bus Units, and an End Cover. A Memory
Card is optional. An I/O Control Unit is required to connect an Expansion
Rack.
A CJ-series Expansion Rack can be connected to the CPU Rack or other CJ-
series Expansion Racks. An Expansion Rack can consist of an I/O Interface
Unit, a Power Supply Unit, Basic I/O Units, Special I/O Units, and CPU Bus
Units, and an End Cover.
CPU Unit
(I/O Control Unit)
(I/O Interface Unit)
Note Although the CJ-series PLCs do not require Backplanes, the term "slot" is still
used to refer to the relative position of a Unit in the Racks. The slot number
immediately to the right of the CPU Unit is slot 1, and slot numbers increase
toward the right side of the Rack.
I/O Units
(Basic I/O Units, Special
I/O Units, CPU Bus Units)
I/O Units
(Basic I/O Units,
Special I/O Units,
CPU Bus Units)
End Cover
Section 2-3
End Cover
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