Omron CJ2 User Manual

8-1
CJ2 CPU Unit Hardware User’s Manual
8
This section describes operations used to back up and restore data.
8-1 Backing Up Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
8-2 Using a Computer to Back Up Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
8-2-1 PLC Backup Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
8-2-2 PLC Backup Tool Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
8-3 Simple Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
8-3-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
8-3-2 Operating Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
8-3-3 Verifying Backup Operations with Indicators . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
8-3-4 Related Auxiliary Bits/Words . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12
8-3-5 Time Required for Simple Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12
8-3-6 Data Backed Up Using Simple Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12
Backup Operations

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)