Product Introduction
The Yokogawa PW482-11 S2 Power Module is a high-reliability industrial power supply designed for Yokogawa Distributed Control Systems (DCS), including FCU, FIO Node Units, and Optical ESB Bus Repeater Units.
As a next-generation replacement for earlier PW48x series units, it delivers stable AC-to-DC conversion and ensures uninterrupted power distribution to control processors, I/O modules, and communication systems. Built for mission-critical environments, it supports redundant configurations to enhance system availability and operational safety.
Technical Specifications
| Parameter | Specification |
|---|
| Model | PW482-11 S2 |
| Module Type | Power Supply Module |
| Input Voltage | 100–120 V AC / 220–240 V AC (selectable) |
| Input Frequency | 50/60 Hz ± 3 Hz |
| Maximum Power Consumption | ~200–230 VA |
| Output Type | System internal regulated DC rails |
| Redundancy Support | Yes (1+1 configuration) |
| Compatible Systems | FCU, FIO Node Unit, ESB Bus Repeater |
| Installation Type | Rack-mounted module |
| Operating Temperature | -20°C to +70°C (variant dependent) |
| Weight | Approx. 1 kg |
| Dimensions | ~105 × 136 × 19 mm |
| Protection Functions | Overvoltage, overcurrent, thermal protection |
Industrial Applications
This module is widely used in industrial automation systems where stable and redundant power supply is essential:
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Oil & gas production and refining systems
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Petrochemical and chemical processing plants
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Power generation and distribution systems
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Large-scale manufacturing automation
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Distributed control system (DCS) cabinets
It ensures uninterrupted power delivery to critical control infrastructure, even under demanding operational conditions.
Technical FAQs
1. What is the main function of the PW482-11 S2?
It converts AC input power into stable internal DC power for Yokogawa control system modules.
2. Is it a general-purpose power supply?
No, it is designed exclusively for Yokogawa DCS architectures.
3. Does it support redundancy?
Yes, it supports 1+1 redundant configuration for high reliability systems.
4. What input voltages does it support?
It supports 100–120 V AC and 220–240 V AC depending on configuration.
5. What systems is it used in?
It is used in FCU, FIO Node Units, and Optical ESB Bus Repeater Units.
6. What is the typical weight?
Approximately 1 kg depending on configuration.
7. Can it operate in harsh environments?
Yes, it is designed for industrial-grade temperature and electrical conditions.
8. How is it installed?
It is mounted in Yokogawa system racks inside control cabinets.
9. What protection features are included?
Overvoltage, overcurrent, and thermal protection are integrated.
10. Why is it important in a DCS system?
Because it ensures continuous, stable power delivery to all critical control and I/O modules.
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