The PW482-50 (Model: PW482-50) is a high-availability power supply module specifically engineered for the Yokogawa CENTUM VP and CENTUM CS 3000 Distributed Control Systems (DCS). This module serves as a critical electrical regulator for the Field Control Station (FCS), converting AC input into the stabilized DC power necessary to drive control processors, I/O modules, and internal communication bus architectures.
As an S2 hardware style revision, this module represents an optimized design over legacy versions, offering improved thermal resilience and component longevity. The PW482-50 (Part Number: PW482-50) is particularly valued for its wide temperature operational capacity, supporting stable performance in environments ranging from -20°C to 70°C. To ensure mission-critical system uptime, it supports 1:1 dual-redundant configurations, allowing for a bumpless power failover that prevents process interruption or volatile memory loss in the event of a module failure.
The PW482-50 (Model: PW482-50) combines wide-range input flexibility with industrial-grade protection logic.
| Feature | Details |
| Manufacturer | Yokogawa Electric Corporation |
| Model Number | PW482-50 |
| Hardware Style | Style S2 |
| Series Compatibility | CENTUM VP / CENTUM CS 3000 |
| Product Type | Power Supply Module |
| Input Voltage | 220–240 V AC (Standard) / 100–240 V AC (Universal support) |
| Input Frequency | 50/60 Hz |
| Output Voltage | 24 V DC (Regulated Nominal) |
| Operating Temperature | -20°C to +70°C (Extended range version) |
| Current Capacity | Up to 5 A continuous (load dependent) |
| Efficiency | >85% typical |
| Protection Logic | Overvoltage, Overcurrent, Short-circuit, and Thermal |
| Redundancy | Dual redundant operation supported (Pair & Spare) |
| Weight | 800g (Net) / 2.0 kg (Shipping) |
| Country of Origin | Japan |
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