



The Yokogawa PW482-50 S1 is a 220–240 V AC input industrial power supply module designed for Yokogawa CENTUM VP / CENTUM CS 3000 DCS systems and FCU/FIO node architectures.
It provides stable and regulated DC power to critical system components such as controllers, I/O modules, ESB bus units, and communication modules, ensuring uninterrupted operation in mission-critical automation environments. The “S1” suffix indicates a standard revision version, typically associated with structural or compliance updates while maintaining core electrical performance.
This module is widely used in oil & gas, petrochemical, power generation, and continuous process industries, where power stability directly impacts system reliability and plant safety.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Yokogawa |
| Model | PW482-50 S1 |
| Product Type | Power Supply Module |
| Input Voltage | 220–240 V AC |
| Input Frequency | 50/60 Hz |
| Output Voltage | 5.1 V DC / 24 V DC (system dependent) |
| Power Consumption | ~230 VA |
| System Compatibility | CENTUM VP / CENTUM CS 3000 / FCU / FIO / ESB nodes |
| Redundancy Support | Yes (dual-module configuration) |
| Function | System DC power distribution |
The PW482-50 series is designed specifically for Yokogawa ESB bus-based control architectures and FCU/FIO node power supply systems, supporting redundant operation in high-availability systems.
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | Approx. 107.5 × 130 × 32.8 mm |
| Weight | Approx. 1.0 kg |
| Mounting Type | Rack / FCU / node unit slot |
| Cooling Method | Natural convection (fanless design) |
| Construction | Industrial-grade power electronics module |
Recommended Related Models
- Yokogawa PW482-11 S2 – earlier CENTUM power variant
- Yokogawa PW481-50 – 100–120 V AC version
- Yokogawa PW484 series – higher-capacity power modules
- Yokogawa CP471 – controller processor module
- Yokogawa NFCP100 – communication processor module
Popular Yokogawa Models
- Yokogawa PW482-50 S1 – DCS power supply module
- Yokogawa CP471 – controller CPU module
- Yokogawa ADV161 – digital input module
- Yokogawa ADV551 – digital output module
- Yokogawa ALF111 – fieldbus communication module