Product Overview
The Yokogawa PW302-S4 is a robust and high-capacity power supply module engineered for demanding industrial automation and control systems. As part / Yokogawa’s CENTUM VP distributed control system (DCS) ecosystem, the PW302-S4 plays a critical role in delivering regulated, stable, and continuous power to system components such as processors, I/O modules, and communication interfaces.
Built with industrial-grade components, the PW302-S4 is designed to meet rigorous environmental and operational standards. It provides exceptional reliability, high-efficiency power conversion, and built-in protection features to guard against overload, overvoltage, and thermal issues. Its redundant configuration support and hot-swappable design ensure maximum system availability and reduce downtime in mission-critical applications.
The module’s modular structure and compliance with international standards make it ideal for complex process control environments, such as oil refineries, chemical processing plants, power generation facilities, and manufacturing automation networks.
Technical Specifications
Product Parameters
| Parameter | Specification |
|---|---|
| Product Name | Power Supply Module |
| モデル Number | PW302-S4 |
| メーカー | 横河電機 Corporation |
| Input Voltage | 100–120/220–240 VAC (auto-selectable) |
| Input Frequency | 50/60 Hz |
| Output Voltage | 5 VDC / 24 VDC (dual output configuration) |
| Output Current | Max 12 A @ 5 VDC / Max 6 A @ 24 VDC |
| Efficiency | >85% typical |
| Ripple and Noise | <50 mV peak-to-peak |
| Power Factor Correction | Included |
| Overload Protection | Yes (auto-recovery) |
| Redundancy サポート | Yes (parallel operation supported) |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 70°C |
| Cooling Method | Natural convection + internal fan |
| Mounting Type | Rack-mounted |
| Status Indicators | LED indicators for power, fault, and redundancy |
| Hot Swappable | Yes |
| Standards Compliance | CE, UL, CSA, IEC |
| Dimensions | 280 x 100 x 280 mm |
| 重量 | 3.26 kg |
Applications
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Distributed Control Systems (DCS) in industrial automation
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Powering CPUs, I/O modules, and interface 台s in control cabinets
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Redundant power architectures in safety-critical environments
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Chemical and petrochemical facilities requiring stable and clean DC power
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Oil & gas refining plants with centralized control stations
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Energy management and SCADA systems in power generation and distribution
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Pharmaceutical process automation for 24/7 regulated production
Advantages
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Dual Voltage Output: Simultaneously supports 5V and 24V output lines for mixed device loads
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Redundancy Ready: Allows parallel operation for fault-tolerant systems
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Industrial Durability: Withstands high humidity, temperature fluctuations, and electrical noise
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Advanced Protection: Safeguards against overload, short circuit, and overheating
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Hot-Swappable Design: Ensures maintenance can be performed without system shutdown
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Wide Input Range: Compatible with global power standards (100–240 VAC)
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Minimal Downtime: Diagnostic indicators and robust construction reduce operational risk
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Compact Form Factor: Fits into Yokogawa’s standardized system racks with optimized space utilization
よくある質問 (FAQ)
Q1: What is the main function / the PW302-S4 module?
A1: It converts AC input power to regulated DC voltages (5V and 24V) required by DCS components.
Q2: Is the module suitable for redundant configurations?
A2: Yes, the PW302-S4 can be used in parallel for redundancy to ensure uninterrupted power supply.
Q3: What is the output capacity / the module?
A3: It provides up to 12 A at 5 VDC and up to 6 A at 24 VDC.
Q4: Does it support hot-swapping?
A4: Yes, the module can be removed or inserted without shutting down the system.
Q5: What kind / protection mechanisms are built in?
A5: It includes overvoltage, overload, and thermal protection with automatic recovery.
Q6: Can this module be used outside / Yokogawa systems?
A6: While designed for Yokogawa systems, it may be used in compatible systems if electrical specifications are met.
Q7: What standards does it comply with?
A7: It meets CE, UL, CSA, and IEC safety and EMC standards.
Q8: How is the cooling achieved?
A8: The module uses natural convection along with an internal fan to dissipate heat.
Q9: What does the LED status indication show?
A9: It indicates power status, module health, and redundancy status for maintenance purposes.
Q10: What are the module’s dimensions and weight?
A10: It measures 280 x 100 x 280 mm and weighs 3.26 kg.
Recommended Related or Similar モデルs
| モデル | 説明 |
|---|---|
| PW301-S4 | Standard power module for CENTUM VP systems |
| PW402-S1 | High-efficiency redundant power supply module |
| PW482-10 | Compact power supply for remote I/O base 台s |
| PW100-S1 | Universal AC-DC power converter module |
| PW501 | High-wattage power module for large-scale control systems |
| PS25A | General-purpose 24VDC industrial power supply module |
Popular Yokogawa モデルs
| モデル | Product Type |
|---|---|
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| SAI533-H33 | High-speed analog signal input module |
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