Omron CJ2M-CPU15 Modular PLC CPU Unit

The CJ2M-CPU15 is a compact, high-performance CPU unit from Omron’s modular CJ2M PLC series, offering powerful control capabilities for machine automation systems. Designed to support demanding real-time applications, it delivers 60K program steps, 32K words of data memory, and four banks of 32K-word EM memory, ensuring flexibility for complex programs and data storage.

Equipped with both a USB programming port and an RS-232C serial communication port, this unit allows seamless integration, programming, and connection to HMIs, SCADA systems, or third-party serial devices. It supports up to 2560 I/O points and allows 3 expansion racks, making it ideal for scalable control architectures in industrial automation.

Technical Specifications

Model: CJ2MCPU15
Product Type: Modular PLC CPU Unit
PLC Series Compatibility: CJ2M
Program Capacity: 60K steps
Data Memory Capacity: 32K words
EM Memory: 32K words × 4 banks
Logic Execution Speed: 0.04 µs/step (basic instructions)
Max. I/O Capacity: 2,560 points
Max. Expansion Racks: 3
Max. Expansion Units: 40
Built-in I/O: None (uses expansion I/O units)
Internal Clock: Supported (battery-backed)

Electrical Specifications

• Power Supply Voltage: Supplied via separate CJ-series power supply unit
• Internal Current Consumption: 0.32 A (5 VDC, typ.)
• Battery Backup: Required for real-time clock and data retention
• Input Voltage Tolerance: Dependent on power supply module

Communication Interfaces

• USB Port: USB 2.0, for programming and monitoring
• Serial Port: RS-232C, 9-pin D-sub (for connection to HMIs, serial devices)
• Supported Protocols: Host Link, Toolbus, NT Link, No Protocol
• Additional Network Options: Expandable via CPU bus units (Ethernet, Profibus, etc.)

CJ2M-CPU15 Mechanical Specifications

• Mounting Type: DIN-rail (with CJ-series base rack)
• Dimensions (H × W × D): 90 × 31 × 84.5 mm
• Weight: 130 g
• Enclosure Type: Modular plastic housing
• Rack Type: Omron CJ-series PLC base

Environmental Conditions

• Operating Temperature: 0 to 55°C
• Storage Temperature: –25 to 70°C
• Operating Humidity: 10% to 90% RH (non-condensing)
• Vibration Resistance: IEC 60068-2-6 compliant
• Shock Resistance: IEC 60068-2-27 compliant
• Protection Rating: IP20 (when mounted in control panel)

Key Features & Benefits

✅ High-Speed Program Execution. 0.04 µs per basic instruction.

✅ Robust Memory Resources. 60K steps program + EM banks.

✅ Flexible Communication. RS-232C and USB as standard.

✅ Scalable Architecture. Up to 2560 I/O points and 3 expansion racks.

✅ Ideal for OEMs and Machine Builders. Reliable, compact, and configurable.

📦 Available Now from Drive Outlet Megastore

The Omron CJ2M-CPU15 is the perfect solution for mid-sized control systems requiring fast logic processing, modular expansion, and flexible connectivity. Whether you’re upgrading a legacy CJ1M system or building a new automation solution, this unit delivers unmatched reliability and performance.

Request a quote or contact our team to check stock and get expert advice.

Powerful control. Scalable automation. Trusted performance. – Drive Outlet Megastore