Omron CJ2 User Manual

2-25
2 Basic System Configuration and Devices
CJ2 CPU Unit Hardware User’s Manual
2-2 Expanded System Configuration
2
2-2-2 Communications Networks
Communications Network Overview
System Network Function Communications Communications Device
Information
networks
EtherNet/IP Between Host computer and
PLC.
FINS message communications Built-in EtherNet/IP port
Between PLCs.
Between Host computer and
Memory Card installed in
CPU Unit.
FTP server
Controller Link Between PLC and personal
computer directly connected
to the Network.
FINS message communications Controller Link Support
Board or Controller Link Unit
Data link (offset, simple settings)
RS-232C → Controller Link Between Host Link computer
and PLC on the Network.
Host Link commands and gate-
way.
RS-232C cables and Con-
troller Link Unit
Control
networks
EtherNet/IP Between PLCs. Tag data links Built-in EtherNet/IP port
Controller Link Between PLCs. FINS message communications Controller Link Unit
Data link (offset, simple settings)
DeviceNet FINS message communications
in an open network.
DeviceNet Master Unit and
Configurator
DeviceNet PLC and Network devices
(Slaves).
Large-capacity remote I/O (fixed
or free allocation) in an open net-
work
DeviceNet Master Unit and
Configurator
CompoNet High-speed, multi-point, multi-
node remote I/O in an open net-
work
CompoNet Master Unit

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)