Omron CJ2 User Manual

2
CJ2 CPU Unit Hardware User’s Manual
CJ2 CPU Unit Manuals
Information on the CJ2 CPU Units is provided in the following manuals. Refer to the appropriate manual
for the information that is required.
Mounting and Setting Hardware
1
2
3
4
5
6
7
Wiring
Connecting Online to the PLC
Software Setup
Creating the Program
Checking and Debugging Operation
Maintenance and Troubleshooting
CJ-series CJ2 CPU Unit Hardware User’s Manual (W472) CJ-series CJ2 CPU Unit Software User’s Manual (W473)
This Manual
CX-Programmer Support Software
Connecting Cables
Error codes and remedies if a problem
occurs
Procedures for connecting the
CX-Programmer Support Software
Software setting methods for the CPU Unit
(including I/O memory allocation, PLC Setup
settings, Special I/O Unit parameters, CPU Bus
Unit parameters, and routing tables. )
For details on built-in EtherNet/IP port, refer to
the EtherNet/IP Unit Operation Manual (W465)
• Checking I/O wiring, setting the Auxiliary Area
settings, and performing trial operation
• Monitoring and debugging with the
CX-Programmer
• Unit part names and specifications
• Basic system configuration
• Unit mounting procedure
• Setting procedure for DIP switch and rotary
switches on the front of the CPU Unit
For details on built-in EtherNet/IP port, refer
to the EtherNet/IP Unit Operation Manual
(W465)
• Wiring the Power Supply Unit
• Wring Basic I/O Units and external I/O
devices
• Program types and basic information
• CPU Unit operation
• Internal memory
• Data management using file memory in the
CPU Unit
• Built-in CPU functions
• Settings
For details on instructions, refer to the
Instructions Reference Manual (W474).

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)