Yokogawa PW481-10 Power Module[USED]

Description

The Yokogawa PW481-10 is a dedicated AC input power module for the Yokogawa CENTUM CS / CENTUM VP DCS system. It provides stable DC power supply for the CPU, I/O, and communication cards of the control station (FCS), supporting 1+1 redundancy and hot swapping. It is the core power supply unit of the DCS system.
I. Model and Positioning
Full model name: PW481-10 (commonly identified as: PW481-10 S2 / Style 2)
Series: Standard DCS of CENTUM CS / CENTUM VP (not ProSafe-RS SIS safety system)
Suffix meanings:
PW481: Dedicated power module for CENTUM DCS
-10: 100–120 VAC input, standard type (without wide temperature / explosion-proof)
Main purpose: Power supply for the internal logic and I/O modules of the CENTUM control station
II. Key Electrical Parameters (Official Specifications) Table
Parameters Specifications
Input 100–120 VAC, 50/60 Hz
Output 1 5 VDC / 5 A (for CPU / logic)
Output 2 24 VDC / 2.5 A (for I/O / field)
Total power Approximately 85 W
Efficiency >85% (full load)
Protection Overvoltage, overcurrent, short circuit, undervoltage protection
Redundancy Supports 1+1 dual redundancy, no single point failure
Hot swapping Supported (live replacement,
III. Physical and Installation
Size： Approximately 51 (W) × 203 (H) × 152 (D) mm
Weight： Approximately 0.9 kg
Installation： Standard DCS rack installation (non-DIN rail)
Cooling： Natural convection
Operating environment： -10°C ～ +60°C； humidity 5–95% RH (no condensation)
IV. System Compatibility
Only compatible with CENTUM CS / CENTUM VP conventional DCS control stations
Not suitable for ProSafe-RS SIS safety system (safety system uses SPW482 series)
Fully compatible with CENTUM cards such as AFV10S， ANB10D， ADV151， etc.