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CJ2M-CPU12

Omron CJ2M-CPU12 CJ2M Series Programmable Logic Controller CPU Unit

SKU: CJ2M-CPU12

CJ2M PLC CPU with 20K program steps, 2560 I/O points, and 160K data memory capacity

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Product Overview

The Omron CJ2M-CPU12 is a high-performance Programmable Logic Controller from the CJ2M series, designed for demanding industrial automation applications. This CPU unit offers a program capacity of 20K steps and supports up to 2,560 I/O points, making it suitable for medium-sized automation systems. The CJ2M-CPU12 features a basic instruction execution speed of 0.32 microseconds, ensuring fast response times for time-critical control operations. With a data memory capacity of 160K words, this CPU can handle complex data logging, recipe management, and recipe storage requirements. The CJ2M-CPU12 supports multiple communication protocols including EtherNet/IP, RS-232C, and RS-485, providing flexibility for connecting to various industrial devices and higher-level SCADA systems. Programming is accomplished using Omron CX-Programmer or the newer Sysmac Studio software, which provides an integrated development environment for both PLC and motion control programming. The CJ2M-CPU12 is particularly well-suited for packaging machinery, textile equipment, and general manufacturing applications where reliable performance and advanced features are required.

  • SKU: CJ2M-CPU12
  • Series: CJ2M
  • Voltage: 24 VDC
  • I/O: 2 I/O

Best-Fit Applications

  • Packaging machinery control systems
  • Textile manufacturing equipment
  • Automated assembly lines
  • Material handling systems
  • Industrial printing presses
  • Food processing automation
  • Plastic processing machinery
  • Conveyor system control

Buying Checklist

  • High processing speed for demanding applications
  • Large I/O capacity supports complex systems
  • Flexible communication options for integration
  • Advanced programming with Sysmac Studio
  • Proven Omron reliability in industrial environments
  • Built-in pulse I/O reduces external components
  • Compatible with CJ1 series expansion units

Technical Specifications

Model CJ2M-CPU12
Program Capacity 20 K steps
Data Memory 160 K words
Max I/O Points 2,560
Basic Instruction Speed 0.32 µs
Ethernet Port 1 (EtherNet/IP)
Serial Ports 1 x RS-232C, 1 x RS-485
Pulse I/O 4 inputs / 4 outputs
Power Supply 24 VDC
Current Consumption 280 mA
Operating Temperature 0 to 55 °C
Weight Approx. 0.25 kg
Dimensions 110 x 100 x 75 mm (W x H x D)

FAQ for CJ2M-CPU12

What programming software is used for CJ2M-CPU12?
The CJ2M-CPU12 can be programmed using CX-Programmer or the newer Sysmac Studio software, which provides integrated development for PLC and motion control.
Can the CJ2M-CPU12 connect to EtherNet/IP devices?
Yes, the CJ2M-CPU12 has built-in EtherNet/IP support for connection to EtherNet/IP PLCs, HMIs, and other industrial devices.
How many expansion units can be connected?
The CJ2M-CPU12 can support up to 2,560 I/O points through expansion, depending on the configuration of I/O units and special function units.
Is the CJ2M compatible with CJ1 series modules?
Yes, the CJ2M series is compatible with CJ1 series I/O units and special function units, allowing for flexible system expansion.

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