Omron CJ2 User Manual

2 Basic System Configuration and Devices
2-24
CJ2 CPU Unit Hardware User’s Manual
‘
The CJ Series supports the following communications networks. Select the appropriate network
according to the applications. For details on communications networks, refer to 11-3 Communications
Networks in the CJ2 CPU Unit Software User’s Manual (Cat. No. W473).
2-2-2 Communications Networks
Communications Network Systems
DeviceNet
CompoNet
EtherNet/IP, Ethernet
Controller Link
Information network
Control network
EtherNet/IP Unit
Ethernet Unit
Connect via the built-in
EtherNet/IP port or a
EtherNet/IP Unit or Ethernet
Unit connected to the CPU Unit.
Built-in EtherNet/IP port
*1
*1: The built-in EtherNet/IP port provides the
same performance and functions as a
CJ1W-EIP21 EtherNet/IP Unit.
Controller Link Units
Controller Link
Support Board
Connect by connecting a
Controller Link Unit to the
CPU Unit. It is also possible
to communicate with a
personal computer in which
a Controller Link Support
Board is installed.
Configurator
Connect by connecting a
DeviceNet Unit to the CPU Unit.
It is also possible to connect to
various types of slaves.
Slaves
Connect by connecting a
CompoNet Unit. It is also
possible to connect to various
types of slaves.

Omron CJ2 Specifications

General

Model	CJ2
Manufacturer	Omron
Type	Programmable Logic Controller (PLC)
CPU Units	Multiple models available (e.g., CJ2M, CJ2H)
Number of I/O Points	Up to 2, 560 points
Communication Ports	Ethernet/IP, EtherCAT, USB, Serial
Expansion	Yes, via I/O Units and Special I/O Units
I/O Control Method	Cyclic Scan, Interrupt
Programming Language	Ladder diagram, structured text, function block diagram, sequential function chart, instruction list
Built-in I/O	Available on some models (e.g., CJ2M)
Ethernet Port	Yes, 1 port (depending on CPU Unit)
Serial Ports	RS-232C, RS-422/485 (configurable)
USB Port	Yes (for programming and monitoring)
Operating Temperature	0°C to 55°C
Storage Temperature	-25 to 70°C
Humidity	10 to 95% RH (non-condensing)
Vibration Resistance	10 to 57 Hz, Amplitude: 0.075 mm, 57 to 150 Hz, Acceleration: 1 G, X, Y, and Z directions, 80 min each
Power Supply Voltage	24 VDC or 100 to 240 VAC (depending on CPU Unit)