Yokogawa PW482-50 S2 Power Supply Module

The Yokogawa PW482-50 S2 is a rack-mounted power supply module for the CENTUM VP DCS system. It converts input power into stable DC power to supply the rack backplane, providing power for DCS control CPU, communication boards and various I/O modules installed in the chassis.

This plug-in power unit supports redundant configuration to improve system availability. It integrates multiple protection circuits and status indicator lights, widely used as spare parts for maintenance and upgrade of CENTUM VP control cabinets in petrochemical, power and chemical industries.

Main Specifications

Brand: Yokogawa; Model: PW482-50 S2; Type: DCS Rack Power Supply Module
Applicable System: Yokogawa CENTUM VP Distributed Control System
Core Tasks: Power conversion, backplane power distribution, circuit fault protection, power status monitoring
Signal Interface: Power input terminals, CENTUM VP rack backplane connector
Installation: Plug-in slot mounting on standard CENTUM VP chassis rack
Configuration: Supports redundant dual power supply hot backup
Operating Environment: 0℃ ~ +60℃, 5%‑95% RH non‑condensing, industrial anti‑vibration grade
Certifications: CE, complies with industrial DCS EMC and safety requirements

Core Functions

Convert input power into regulated DC power and distribute power to the entire DCS chassis backplane for all rack-mounted CENTUM VP modules.
Built-in multi-protection mechanisms including overvoltage, overcurrent and short-circuit protection to prevent hardware damage caused by power anomalies.
Front-panel LED indicators show real-time power operating status to assist engineers with on-site inspection and rapid fault troubleshooting.
Support redundant power configuration. When one power supply fails, the standby unit automatically takes over to ensure uninterrupted DCS operation.
Adopt chassis plug-in design for quick installation, removal and replacement during cabinet maintenance.
Industrial-hardened power circuit ensures long-term reliable operation for renovation projects of CENTUM VP automation equipment.

Application Scenarios

Spare-part replacement for Yokogawa CENTUM VP DCS cabinets in petrochemical, power and chemical industrial sites.
Backplane power supply hardware providing stable power for DCS CPU, communication modules and I/O modules.
Maintenance backup inventory for renovation and after-sales maintenance projects of Yokogawa DCS equipment.
Matching power supply cooperating with CENTUM VP chassis, CPU, digital and analog I/O modules.
Retrofit replacement for aged power modules with no output, indicator failure and internal circuit burnout faults.
Global aftermarket spare supply for automation maintenance teams maintaining Yokogawa DCS equipment worldwide.