Yokogawa PW301 Power Module – Product Description

Overview

The Yokogawa PW301 is a reliable power supply module designed for CENTUM VP DCS and ProSafe‑RS SIS systems. It provides stable DC power to field control stations, I/O modules, and communication units. Moreover, its modular rack-mounted design ensures easy installation and maintenance. Therefore, it is ideal for industries requiring uninterrupted and redundant power, including oil & gas, petrochemical, power generation, and water treatment plants.

Technical Specifications

Electrical

• Input Voltage: 100–240 V AC, 50/60 Hz (universal input)

• Input Current: 6 A

• Output Voltage: 24 V DC regulated

• Output Current Capacity: Up to 5 A continuous

• Ripple & Noise: < 50 mV (typical, peak-to-peak)

• Efficiency: 85% typical

• Protection Features: Overcurrent, short-circuit, overvoltage protection

• Redundancy: Supports dual-redundant power configuration

Mechanical

• Mounting: Rack-mounted in FCS or I/O cabinet backplane

• Dimensions (W × H × D): 11.0 × 4.0 × 11.0 in (27.9 × 10.2 × 27.9 cm)

• Weight: 0.8 kg

• Cooling: Natural convection 

• Protection: IP20

Performance & Diagnostics

• Reliability: Continuous 24/7 operation in mission-critical environments

• Hot-Swap Capability: Replacement possible without system downtime

• Diagnostics: LED indicators for input, output, and fault conditions

Communication & Integration

• Interface: Supplies regulated DC power via Yokogawa proprietary backplane bus

• Compatibility: Fully compatible with CENTUM VP and ProSafe‑RS systems

• Configuration: Managed via Yokogawa engineering tools for monitoring and redundancy

Environmental & Compliance

• Operating Temperature: 0 °C to +55 °C

• Storage Temperature: −20 °C to +70 °C

• Relative Humidity: 5–95% non-condensing

• Certifications: CE, UL, CSA, ATEX 

• Origin: Manufactured in Japan

FAQ

Q1: What is the input voltage range for the PW301 module?
It supports a universal input of 100–240 V AC at 50/60 Hz.

Q2: Can this module operate in a redundant configuration?
Yes, it supports dual-redundant power supply configurations for fault tolerance.

Q3: Does the module have protection features?
Yes, it provides overcurrent, short-circuit, and overvoltage protection.

Q4: Can the module be replaced without shutting down the system?
Yes, it has hot-swap capability depending on the cabinet configuration.

Q5: What type of systems is PW301 compatible with?
It integrates seamlessly with Yokogawa CENTUM VP DCS and ProSafe‑RS SIS systems.