Omron CJ2 User Manual

Appendices
A-114
CJ2 CPU Unit Hardware User’s Manual
If the USB driver installation fails for some reason or is cancelled in progress, the USB driver must be
reinstalled.
z Checking USB Driver Status
1. Display the Device Manager on the computer.
2. If USB Device is displayed for Other devices, it means that the USB driver installation has failed.
z Reinstalling the USB Driver
1. Right-click USB Device and select Delete from the pop-up menu to delete the driver.
2. Reconnect the USB cable. The USB Driver Installation Window will be displayed.
3. Reinstall the USB driver.
Re-installing the USB Driver

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)