Basic System Configuration And Devices; Expanded System Configuration - Omron CJ2 CPU UNIT User Manual

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Basic System Configuration and
Devices
CJ2 CPU Unit Hardware User's Manual
This section describes the basic system configuration and devices used in a CJ2 PLC.
The CJ Series supports the following two types of system configuration.
• Basic System Configuration:
System consisting of CPU Rack and Expansion Racks.

• Expanded System Configuration:

System connected via CPU Unit built-in serial port and PLC Units, such as Communi-
cations Units.
2-1 Basic System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-1-1
Basic System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-1-2
CPU Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2-1-3
Expansion Racks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2-1-4
Configuration Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
2-1-5
Calculating Unit Current Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
2-1-6
Calculating Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
2-2 Expanded System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
2-2-1
Serial Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
2-2-2
Communications Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
2
2-1

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