Product Introduction
The Yokogawa PW484-10 S1 Power Supply Module is a compact, high-reliability DC power unit designed for Yokogawa safety and process automation systems such as CENTUM VP and ProSafe-RS.
Unlike general industrial power supplies, this module is engineered specifically to support field I/O subsystems and control architectures, delivering stable 24 V DC power to ensure continuous operation of critical automation components. The S1 revision emphasizes improved reliability, system compatibility, and maintenance efficiency in demanding industrial environments.
Technical Specifications
| Parameter | Specification |
|---|
| Model | PW484-10 S1 |
| Module Type | Power Supply Module |
| Input Voltage | 24 V DC |
| Input Range | 21.6 – 26.4 V DC |
| Output Voltage | 24 V DC regulated system output |
| Output Power | Up to approx. 120 W |
| Load Capability | Multiple ProSafe-RS / DCS I/O modules |
| Efficiency | High-efficiency DC conversion design |
| Isolation | Electrical isolation between input and output |
| Redundancy Support | 1+1 redundant configuration supported |
| Operating Temperature | -10°C to +60°C |
| Storage Temperature | -20°C to +70°C |
| Dimensions (H×W×D) | ~51 × 203 × 152 mm |
| Weight | Approx. 0.9–1.0 kg |
| Mounting Type | Rack-mounted system module |
Industrial Applications
The PW484-10 S1 is widely used in safety-critical and process control environments where stable DC power is essential:
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Safety Instrumented Systems (SIS)
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Oil & gas production and refining facilities
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Petrochemical and chemical processing plants
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Power generation control systems
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Distributed control system (DCS) cabinets
Its DC input design makes it especially suitable for systems powered by battery backup or centralized DC power infrastructures.
Technical FAQs
1. What is the main function of the PW484-10 S1?
It supplies regulated 24 V DC power to Yokogawa control and safety system modules.
2. Is it an AC or DC input module?
It is a DC input power module, typically powered by 24 V DC sources.
3. Can it be used in safety systems?
Yes, it is commonly used in ProSafe-RS safety instrumented systems.
4. Does it support redundancy?
Yes, it supports 1+1 redundant configuration for high reliability.
5. What type of systems is it compatible with?
It is used in CENTUM VP, CENTUM CS, and ProSafe-RS platforms.
6. What is the typical power capacity?
Around 120 W depending on system load conditions.
7. What is the input voltage range?
21.6 to 26.4 V DC operating range.
8. Is it suitable for harsh environments?
Yes, it is designed for industrial-grade temperature and electrical conditions.
9. How is it installed?
It is mounted in Yokogawa system racks inside control cabinets.
10. Why is it important in automation systems?
Because it ensures uninterrupted and stable power to critical control and safety modules.
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