Omron CJ2M-CPU31 | PLC CPU Module

Omron CJ2M-CPU31 | Compact PLC CPU Module – 5K Steps, CJ2M Series

Overview

The Omron CJ2M-CPU31 is a compact PLC CPU module in the CJ2M series, offering solid performance with 5K steps of program capacity and two integrated serial ports. Built for fast, reliable control, it suits a variety of small to mid-sized automation applications, maintaining compatibility with CJ1 and CJ2 expansion modules.

Key Features

• Program Capacity: 5,000 steps

• Data Memory: 64K words

• Execution Speed: 160 ns per basic instruction

• Communication: 2 built-in serial ports (RS-232C/422A/485 selectable)

• USB Port: Built-in USB Mini-B for easy programming

• Expandable: Supports up to 40 I/O units

• Cycle Time Monitor: For optimizing system performance

• Battery Backup: Protects memory during power loss

Technical Specifications

• Model Number: CJ2M-CPU31

• Series: CJ2M

• Program Memory: 5K steps

• Data Memory: 64K words

• Ports:

  • 2 Serial Ports (RS-232C/422A/485)

  • 1 USB Port (Mini-B)

• Execution Time: Approx. 160 ns/step (LD instruction)

• I/O Capacity: Up to 2560 points

• Max Number of Units: 40

• Operating Temperature: 0°C to +55°C

• Storage Temperature: -20°C to +75°C

• Mounting Type: DIN rail or panel

• Weight: Approx. 0.25 kg

• Certifications: CE, UL, RoHS

Applications

• Compact Machines: Ideal for small automation systems

• Material Handling: Controls conveyors and sorters

• OEM Equipment: Reliable control for embedded machine systems

• Industrial Communication: Serial port integration with sensors, HMIs, and drives

Why Choose Omron CJ2M-CPU31?

• Affordable Performance: Ideal for entry-level automation needs

• Modular Design: Expand with CJ1/CJ2 I/O and communication units

• User-Friendly: USB port simplifies setup and programming

• Reliable Operation: Proven stability in industrial environments

Order Now

Available for immediate worldwide shipping. Ask us about compatible I/O units, power supplies, and HMI solutions to complete your control system.

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply