The Yokogawa PW402 Power Module is a high-reliability power supply unit designed for use within Yokogawa’s Distributed Control Systems (DCS), including the CENTUM series and other industrial automation platforms. The PW402 provides a stable, regulated power source to critical control system components, ensuring uninterrupted operation of controllers, I/O modules, communication devices, and associated field instruments.

With its robust industrial-grade design, the PW402 delivers consistent performance even in harsh environments. It incorporates advanced protection features such as overvoltage, overcurrent, and thermal shutdown, safeguarding sensitive control equipment from power-related failures. The module is engineered for high efficiency, minimal heat generation, and long operational life, supporting Yokogawa’s reputation for dependable process automation solutions.

Key Features

• Reliable power supply for Yokogawa DCS and control systems

• Stable voltage output for controllers, I/O modules, and communication devices

• Industrial-grade construction for operation in demanding environments

• Advanced protection: Overvoltage, overcurrent, short-circuit, and thermal safeguards

• High efficiency with low power loss and minimal heat generation

• Compact, modular design for easy system integration

• Hot-swappable for reduced downtime during maintenance

• LED status indicators for quick visual diagnostics

• Complies with international safety and electromagnetic compatibility standards

• Designed for continuous 24/7 operation in critical process industries

Technical Specifications

Industry Applications

The Yokogawa PW402 Power Module is essential for reliable system operation across a wide range of industries:

• Oil & Gas: Supplies regulated power to offshore platforms, refineries, and pipeline control systems

• Power Generation: Provides stable voltage for turbine control, monitoring, and SCADA components

• Chemical Processing: Ensures continuous power for process automation and control equipment

• Pharmaceutical Manufacturing: Supports secure, reliable power for regulated production environments

• Water and Wastewater Treatment: Maintains control system functionality for remote and distributed assets

• Metals and Mining: Delivers consistent power for automation systems in heavy-duty industrial operations

Product Advantages

• Consistent Power Delivery: Ensures reliable operation of Yokogawa control and monitoring systems

• Enhanced System Protection: Built-in safety features protect against electrical faults and damage

• High Efficiency: Reduces energy consumption and minimizes heat buildup within control cabinets

• Compact Design: Saves space in control panels while delivering high power output

• Minimized Downtime: Hot-swappable for easy replacement without system shutdown

• Durability: Engineered for long operational life under continuous use in harsh environments

• Compliance Assurance: Meets global safety, EMC, and environmental standards

• Visual Status Indicators: LED diagnostics provide immediate system feedback

• Seamless System Integration: Optimized for Yokogawa DCS platforms and industrial networks

• Reliable Field Performance: Proven stability in mission-critical automation applications

Frequently Asked Questions (FAQ)

1. What is the primary function of the Yokogawa PW402?

   It supplies regulated DC power to Yokogawa control system components, including controllers, I/O modules, and communication devices.

2. Is the PW402 compatible with all Yokogawa control systems?

   Yes, it integrates seamlessly with Yokogawa’s DCS platforms, including the CENTUM series.

3. Can the PW402 be replaced without shutting down the system?

   Yes, it is designed to be hot-swappable, minimizing system downtime during maintenance.

4. What protection features are included in the PW402?

   It offers overvoltage, overcurrent, short-circuit, and thermal protection.

5. What is the output voltage and current of the PW402?

   It provides 24V DC output with a current capacity of up to 10A, depending on the specific configuration.

6. What is the efficiency rating of the PW402?

   The module operates with efficiency of ≥ 90%, ensuring minimal power loss.

7. How does the PW402 indicate operational status?

   LED indicators provide clear visual feedback for power status and fault conditions.

8. What are the installation requirements for the PW402?

   It is designed for easy rack or panel mounting within control cabinets.

9. Can the PW402 operate in harsh industrial environments?

   Yes, it is built for continuous use in environments with wide temperature and humidity ranges.

10. Is the PW402 certified for global use?

    Yes, it meets CE, UL, RoHS, and CSA certifications for international industrial applications.