Omron CJ2M-CPU12 Modular PLC CPU

The Omron CJ2M-CPU12 is a compact and cost-effective CPU unit within the CJ2M modular PLC series, offering reliable performance for small to medium-scale control systems. With a program capacity of 10K steps and 32K words of data memory, it supports versatile application development. It also includes a built-in RS-232C serial port and USB programming port, making it easy to integrate into both legacy and modern control environments.

Ideal for machine automation and distributed I/O systems, the CJ2M-CPU12 supports up to 2560 I/O points and 3 expansion racks, delivering flexibility for scalable applications.

Technical Specifications

Model: Omron Sysmac CJ2M-CPU12
Series: CJ2M Modular PLC
Program Capacity: 10K steps
Data Memory: 32K words
Extended Memory (EM): 1 bank × 32K words
Max. I/O Capacity: 2560 points
Expansion Racks Supported: 3
PLC Type: Modular, rack-based

Electrical Specifications

• Power Supply Voltage: Supplied via separate power unit
• Logic Execution Time: 0.04 µs per basic instruction
• Input Voltage Tolerance: Follows system PSU
• Max. Number of Expansion Units: 40
• Memory Backup: Flash memory (battery-free)
• Battery Option: Optional for clock/calendar retention

Communication Interfaces

• Serial Port: RS-232C
• Programming Port: USB (Mini-B)
• Network Option Support: Yes (via expansion modules)
• Supported Protocols: Host Link, Toolbus, Modbus (via programming), etc.

Mechanical Specifications

• Mounting: DIN rail
• Unit Dimensions (H × W × D): 90 × 31 × 84.5 mm
• Weight: 130 g
• Cooling: Natural convection
• Connector Type: Screw terminal (via compatible units)

Environmental Specifications

• Operating Temperature: 0 to 55°C
• Storage Temperature: –20 to 75°C
• Operating Humidity: 10% to 90% RH (non-condensing)
• Vibration Resistance: 5 to 8.4 Hz, 3.5 mm amplitude; 8.4 to 150 Hz, 9.8 m/s²
• Shock Resistance: 147 m/s², 3 times each in 6 directions
• IP Rating: IP20 (when installed in panel/enclosure)

Compliance & Certifications

• CE Marked: Yes
• RoHS Compliant: Yes
• UL / cUL Listed: Yes
• Standards: EN61131-2, EN61010-2-201

Key Features & Benefits

✅ 10K Program Steps. Ideal for compact automation needs with stable logic execution.

✅ Dual Communication Ports. USB for fast programming and RS-232C for field devices.

✅ Modular CJ2M Platform. Expandable with 3 racks and up to 2560 I/O points.

✅ Fast Execution. 0.04 µs logic execution enables responsive control cycles.

✅ Compact and Lightweight. Slim 31 mm width for space-saving panel integration.

📦 Order the Omron CJ2M-CPU12 from Drive Outlet Megastore

Delivering Omron reliability in a compact form, the CJ2M-CPU12 is perfect for machine builders, OEMs, and industrial automation professionals. Whether you’re scaling up or modernizing, this unit ensures flexible deployment and easy integration.

Check stock now or request a quote.

Compact performance. Trusted Omron quality. Flexible integration. — Drive Outlet Megastore