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The YOKOGAWA PW482-10 is a high-reliability DC power supply module designed for industrial automation systems, particularly optimized for use with Yokogawa’s CENTUM series distributed control systems (DCS) and other critical control applications. It provides dual redundant 24V DC outputs with a total capacity of 10A, ensuring stable power delivery to field devices such as I/O modules, sensors, and actuators. The module features hot-swappable design, active current sharing, and comprehensive protection mechanisms to guarantee continuous operation in demanding industrial environments.
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Electrical Specifications:
- Input Voltage: 100-240V AC (50/60Hz) or 110-300V DC
- Output Voltage: 24V DC (regulated, ±5% tolerance)
- Output Current: 10A total (shared between two redundant outputs)
- Efficiency: ≥90% at full load
- Ripple & Noise: ≤100mVp-p (20MHz bandwidth)
- Power Factor: ≥0.95 (AC input)
- Startup Time: ≤500ms (no load), ≤1s (full load)
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Mechanical Specifications:
- Dimensions: 100mm (W) × 160mm (H) × 120mm (D)
- Weight: ~1.2kg
- Mounting: DIN rail (35mm standard) or panel mount
- Cooling: Convection-cooled, fanless design
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Environmental Specifications:
- Operating Temperature: -20°C to +60°C (derates linearly to 50% capacity at +70°C)
- Storage Temperature: -40°C to +85°C
- Humidity: 5-95% RH (non-condensing)
- Vibration: 5-2000Hz, 1.5g (IEC 60068-2-6)
- Shock: 15g (IEC 60068-2-27)
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Safety & Certifications:
- Safety Standards: UL 508, CE (LVD/EMC), IEC 60950-1
- EMC Compliance: EN 61000-6-2 (industrial immunity), EN 61000-6-4 (emissions)
- Protection Class: IP20 (front panel), IP00 (rear)
- Dual Redundancy: Two independent 24V DC outputs with active current sharing ensure continuous power supply even if one module fails.
- Hot-Swap Capability: Modules can be replaced during system operation without shutting down the power supply, minimizing downtime.
- Comprehensive Protection: Overvoltage, overcurrent, and short-circuit protection with auto-recovery functionality.
- Wide Input Range: Accepts both AC and DC inputs, providing flexibility in power source selection.
- High Efficiency: Reduces energy consumption and heat generation, improving system reliability.
- LED Status Indicators: Clear visual feedback for power-on, output voltage, and fault conditions.
- Remote Monitoring: Supports optional remote monitoring of output voltage and current via digital interfaces.
- Industrial Automation: Powering I/O modules, controllers, and field devices in manufacturing plants, refineries, and chemical facilities.
- Power Generation: Critical control systems in power plants, including turbine control, boiler management, and auxiliary equipment.
- Transportation: Railway signaling systems, airport ground support equipment, and traffic control centers.
- Water/Wastewater Treatment: Control systems for pumps, valves, and monitoring equipment in treatment facilities.
- Pharmaceutical & Food Processing: Hygienic environments requiring reliable power for automation and control systems.
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Installation:
- Mount vertically with ≥50mm clearance above and below for proper heat dissipation.
- Use proper grounding (FG terminal) to meet safety standards.
- Ensure input power sources are properly fused (recommended 16A slow-blow fuse).
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Load Management:
- Do not exceed 80% of rated capacity (8A) for continuous operation to prevent overheating.
- Distribute loads evenly between redundant power modules for optimal performance.
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Maintenance:
- Inspect cooling vents quarterly for blockages.
- Replace modules every 10 years or after 50,000 hours of operation (whichever comes first).
- Perform firmware updates as recommended by Yokogawa to address security vulnerabilities.
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Safety Compliance:
- Follow IEC 61508 SIL 2 guidelines for safety-critical applications.
- Use surge protection devices (SPDs) for input power lines in lightning-prone areas.
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Compatibility:
- Verify compatibility with other system components (e.g., I/O modules, controllers) before installation.
- Use Yokogawa-approved power cables and connectors to ensure proper electrical performance.

The structure and details of the product:

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