Omron CJ2 User Manual

8 Backup Operations
8-2
CJ2 CPU Unit Hardware User’s Manual
8-1 Backing Up Data
There are two methods for backing up PLC data.
• Operation: PLC Backup Tool running on the personal computer
• Backup destination: Computer hard disk
• Operation: DIP switch and Memory Card Power Switch
• Backup destination: A Memory Card inserted in the CPU Unit
Using a Computer to Back Up Data to the Computer
Using Front-panel Switches on the CPU Unit to Back Up Data to a
Memory Card
PLC Backup Tool
CPU Unit
Backup
All PLC data
Memory Card
All PLC data
Backup
Back up data by
pressing the Memory
Card Power Switch.

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)