Product Introduction
The Yokogawa PW484-10 Power Supply Module is a compact, high-reliability DC power unit designed for Yokogawa Distributed Control Systems (DCS), including CENTUM VP, CENTUM CS, and ProSafe-RS architectures.
Unlike general industrial power supplies, this module is purpose-built to support field I/O subsystems and safety control networks, delivering stable 24 V DC power for up to multiple I/O modules while ensuring continuous operation in demanding process environments.
It is widely recognized for its compact design, system compatibility, and dependable performance in mission-critical automation infrastructures.
Technical Specifications
| Parameter | Specification |
|---|
| Model | PW484-10 |
| Module Type | Power Supply Module |
| Input Voltage | 100–240 V AC |
| Input Frequency | 50/60 Hz |
| Output Voltage | 24 V DC |
| Output Current | Up to 5 A |
| Output Power | Approx. 120 W |
| Load Capability | Supports multiple ProSafe-RS I/O modules |
| Efficiency | High-efficiency industrial design |
| Isolation | Built-in electrical isolation |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -20°C to +70°C |
| Dimensions (H×W×D) | 51 × 203 × 168 mm |
| Weight | Approx. 1.0 kg |
| Mounting Type | Rack-mounted (control cabinet system) |
Industrial Applications
The PW484-10 is widely used in safety and control system architectures where stable power delivery is critical:
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Safety instrumented systems (SIS)
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Oil & gas upstream and downstream facilities
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Petrochemical and refinery automation systems
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Power generation and utility control systems
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Large-scale distributed control system (DCS) cabinets
It is particularly valuable in systems requiring high reliability and continuous uptime for both control and safety operations.
Technical FAQs
1. What is the main function of the PW484-10?
It provides stable 24 V DC power to Yokogawa field I/O and safety system modules.
2. What systems is it compatible with?
It is used in CENTUM VP, CENTUM CS, and ProSafe-RS systems.
3. What is the input power requirement?
It accepts 100–240 V AC industrial power supply.
4. What is the output capacity?
It delivers up to 5 A at 24 V DC depending on system configuration.
5. Can it support multiple I/O modules?
Yes, it is designed to power multiple ProSafe-RS I/O modules.
6. Is it suitable for safety systems?
Yes, it is commonly used in safety instrumented system architectures.
7. What is the operating temperature range?
Typically -20°C to +70°C depending on installation environment.
8. How is it installed?
It is mounted in Yokogawa system racks inside control cabinets.
9. Does it require cooling fans?
No, it uses passive cooling within the cabinet airflow system.
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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