Description:

The Omron CJ1M-CPU21 Programmable Controller is used in Omron CJ1M PLC systems for compact machine control and automation logic processing. Commonly installed in packaging machines, conveyor systems, assembly equipment, and small to medium industrial automation lines. Maintenance teams and system integrators use this part for system control, replacement, retrofit, and automation upgrades.

Applications:

The Omron CJ1M-CPU21 is utilized in industrial automation environments requiring reliable and compact PLC performance. It is widely applied in material handling systems, food processing equipment, labeling machines, and general manufacturing processes where precise sequencing, monitoring, and control are essential for efficient operation.

Technical Specifications:

• Manufacturer Part Number (MPN): CJ1M-CPU21 / CJ1MCPU21
• Product Type: PLC CPU Unit
• Series: Omron CJ1M Series
• Program Memory: 10K steps
• Data Memory: 32K words
• Maximum I/O Capacity: Up to 320 I/O points
• Communication Ports: Peripheral port, RS-232C
• Processing Speed: High-speed processing (model dependent)
• Expansion Capability: Supports CJ1 series I/O and special modules
• Mounting Type: Rack / backplane mount
• Compatible System: Omron CJ1M PLC systems
• Power Supply: Supplied via rack
• Operating Temperature: 0°C to 55°C

Common Replacements:

• Omron CJ1M-CPU22
• Omron CJ2M-CPU31
• Omron CQM1H-CPU51