CJ1W-PA202 24VDC 2.5A Power Supply Unit for CJ1 Series PLCs

Comprehensive Product Overview

The Omron CJ1W-PA202 represents the gold standard in industrial power supply units, meticulously engineered for flawless integration with CJ Series Programmable Logic Controllers (PLCs). This professional-grade component delivers exceptional power stability and reliability for mission-critical automation systems across diverse industrial sectors. Engineered with precision in Japan, the CJ1W-PA202 provides clean, regulated 5V DC power to maintain optimal performance of your PLC system even in the most challenging operational environments. Its universal input voltage capability and industrial-grade construction make it an indispensable component for manufacturing facilities, process plants, and automated production systems worldwide.

Detailed Features and Technical Advantages

• Universal Power Compatibility: Accommodates a broad input voltage range of 100-240V AC (50/60Hz) with automatic adjustment, ensuring seamless operation across different regional power grids and voltage fluctuations
• Precision Power Delivery: Provides 5V DC output at 3.6A (18W total power capacity) with ±5% voltage regulation, maintaining system stability even during load variations
• Advanced Thermal Management: Engineered heat dissipation design ensures reliable operation across the full temperature range (0°C to 55°C) without performance degradation
• Industrial-Grade Protection: Built-in safeguards against overcurrent, overvoltage, and short-circuit conditions to protect your valuable PLC equipment
• Space-Optimized Design: Compact dimensions (31 × 90 × 65mm) with DIN rail mounting capability for efficient use of control cabinet space
• Rugged Construction: Heavy-duty metal housing with vibration resistance (10-150Hz) and protection against electromagnetic interference for industrial environments
• Extended Operational Life: High-quality components and conservative design margins ensure long-term reliability with minimal maintenance requirements
• Global Compliance: Meets international safety and EMC standards including CE, UL, and cUL certifications for worldwide deployment
• Manufacturer Warranty: Backed by Omron's standard 1-year warranty against manufacturing defects when used according to specifications

Complete Technical Specifications

Industrial Application Scenarios

The Omron CJ1W-PA202 power supply unit is engineered for demanding industrial automation applications where power reliability directly impacts productivity and system uptime:

• Precision Manufacturing Systems: Provides clean power for high-accuracy PLC-controlled CNC machines, robotic assembly cells, and coordinate measuring equipment
• Continuous Process Industries: Ensures uninterrupted operation in chemical processing, pharmaceutical production, and food/beverage manufacturing applications
• High-Speed Packaging Lines: Delivers stable power for servo-controlled form-fill-seal machines, labeling systems, and case packers operating at 200+ cycles/minute
• Automated Material Handling: Powers complex conveyor networks, AS/RS systems, and automated guided vehicle (AGV) control stations
• Energy Infrastructure: 100-240V AC ±10%, 50/60Hz, single phase, 0.5A max at 100V AC, 0.25A max at 200V AC Output Characteristics 5V DC ±5% (4.75-5.25V), 3.6A continuous (18W), 4.0A peak (20W) for 100ms Power Conversion Efficiency 85% typical at full load (23°C ambient), meets Energy Star industrial standards Voltage Regulation ±1% for line variations (100-240V AC), ±3% for load variations (10-100%) Ripple and Noise ≤50mVp-p (20MHz bandwidth), with additional filtering for sensitive applications Inrush Current Limiting 20A maximum (at 100V AC input) with NTC thermistor protection Hold-up Time ≥10ms at 100V AC input (ensures PLC memory retention during brief outages) Physical Dimensions 31mm (W) × 90mm (H) × 65mm (D), optimized for CJ Series backplane mounting Weight and Materials 200g ±5%, steel enclosure with corrosion-resistant finish Environmental Specifications Operational: 0°C to 55°C (derating above 40°C), Storage: -25°C to 65°C, Humidity: 10-90% RH non-condensing Mechanical Durability Vibration: 10-57Hz at 0.075mm, 57-150Hz at 9.8m/s², Shock: 147m/s² (3 times each direction) Safety and Compliance UL508, CSA C22.2 No. 14, EN61131-2, CE marked for EMC and LVD directives Electrical Isolation Input-to-output: 1500V AC, Input-to-ground: 1500V AC, Output-to-ground: 500V AC MTBF Rating 100,000 hours minimum at 25°C ambient (MIL-HDBK-217F calculation)

  Industrial Application Scenarios

  The Omron CJ1W-PA202 power supply unit is engineered for demanding industrial automation applications where power reliability directly impacts productivity and system uptime:

  • Precision Manufacturing Systems: Provides clean power for high-accuracy PLC-controlled CNC machines, robotic assembly cells, and coordinate measuring equipment
  • Continuous Process Industries: Ensures uninterrupted operation in chemical processing, pharmaceutical production, and food/beverage manufacturing applications
  • High-Speed Packaging Lines: Delivers stable power for servo-controlled form-fill-seal machines, labeling systems, and case packers operating at 200+ cycles/minute
  • Automated Material Handling: Powers complex conveyor networks, AS/RS systems, and automated guided vehicle (AGV) control stations
  • Energy Infrastructure: Critical component in power plant control systems, renewable energy installations, and electrical distribution monitoring
  • Automotive Production: Reliable power source for PLCs controlling welding robots, paint shops, and final assembly verification systems
  • Water/Wastewater Treatment: Operates flawlessly in humid environments to control filtration, pumping, and chemical dosing systems

  System Compatibility and Integration

  The CJ1W-PA202 is specifically designed for seamless integration with the following Omron CJ Series PLC platforms:

  • CJ1M CPU Units: Compact controllers for machine automation (CJ1M-CPU11/12/13/21/22/23 models)
  • CJ1H CPU Units: High-performance controllers for complex systems (CJ1H-CPU65/66/67 models)
  • CJ1G CPU Units: Mid-range controllers for process applications (CJ1G-CPU42/43/44/45 models)

  Installation Note: The CJ1W-PA202 must be installed in the leftmost position of the CJ Series PLC rack. Ensure proper ventilation clearance (minimum 50mm above and below the unit) and verify voltage compatibility with local power standards before energizing the system. This power supply unit is not user-serviceable and should only be installed by qualified personnel familiar with industrial control systems.

  Quality Assurance and Warranty

  Every Omron CJ1W-PA202 power supply unit undergoes rigorous quality control testing to ensure compliance with Omron's exacting standards for industrial components. The product is covered by Omron's standard 1-year limited warranty against defects in materials and workmanship when used according to published specifications. For warranty service, proof of purchase from an authorized Omron distributor is required.