Omron CJ2 User Manual

A-1
pp
CJ2 CPU Unit Hardware User’s Manual
App
The appendices provide Unit specifications, Unit dimensions, details on fatal and non-
fatal errors, information on connecting to serial ports on the CPU Unit, the procedure
for installing the USB driver on a personal computer, and information on load short-cir-
cuit protection and line disconnection detection.
A-1 Specifications of Basic I/O Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
A-1-1 Overview of Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
A-1-2 Basic I/O Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4
A-1-3 Precautions on Contact Output Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-51
A-1-4 Connecting Connector-Terminal Block Conversion Units and
I/O Relay Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-53
A-2 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-86
A-2-1 CJ2H CPU Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-86
A-2-2 Power Supply Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-86
A-2-3 Basic I/O Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-89
A-2-4 I/O Control Unit and I/O Interface Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-92
A-2-5 I/O Memory Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-92
A-3 Fatal and Non-fatal Error Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-93
A-3-1 Fatal Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-93
A-3-2 Non-fatal Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-98
A-4 Connecting to the RS-232C Serial Port on the CPU Unit . . . . . . . . . . . . A-101
A-4-1 RS-232C Port Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-101
A-4-2 Connection Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-102
A-4-3 Applicable Connectors and Recommended Cables . . . . . . . . . . . . . . . . . . A-105
A-4-4 Example of Recommended RS-232C Wiring . . . . . . . . . . . . . . . . . . . . . . . A-106
A-4-5 Wiring Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-107
A-5 Installing the USB Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-110
A-6 Load Short-circuit Protection and Line Disconnection Detection for
Basic I/O Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-115
A-6-1 Load Short-circuit Protection and Line Disconnection Detection for
CJ1W-OD202 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-115
A-6-2 Load Short-circuit Protection for CJ1W-OD204/OD212/OD232/MD232 . . . A-117
A-7 Relay Output Noise Reduction Methods . . . . . . . . . . . . . . . . . . . . . . . . . A-119
Appendices

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)