Omron CJ2 User Manual

Appendices
A-98
CJ2 CPU Unit Hardware User’s Manual
Operation continues when a non-fatal error occurs. Connect the CX-Programmer to display the error
message in the Error Log Dialog Box on the CX-Programmer.
The cause of the error can be determined from the error message and related Auxiliary Area flags and
words. The following list shows the non-fatal errors.
A-3-2 Non-fatal Errors
Non-fatal errors
Duplicated Refreshing Error (CJ1: Interrupt task error) (0x008B)
PLC Setup Error (0x009B)
Density IO Error (0x009A)
Backup Memory Error (0x00F1)
Tag Memory Error (0x00F2)
Other Non-fatal Errors (system work errors) (0x00F3)
Battery Error (0x00F7)
CPU Bus Unit Error (0x0200 to 0x020F)
Special IO Unit Error (0x0300 to 0x035F or 0x03FF)
CPU Bus Unit Setup Error (0x0400 to 0x040F)
Special IO Unit Setup Error (0x0500 to 0x055F)
System Alarm (FAL) Error (0x4104 to 0x42FF)

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)