Yokogawa PW302-S4 Power Supply Module

The Yokogawa PW302-S4 is a robust and high-capacity power supply module engineered for demanding industrial automation and control systems. As part of Yokogawa’s CENTUM VP distributed control system (DCS) ecosystem, the PW302-S4 plays a critical role in delivering regulated, stable, and continuous power to system components such as processors, I/O modules, and communication interfaces.

Built with industrial-grade components, the PW302-S4 is designed to meet rigorous environmental and operational standards. It provides exceptional reliability, high-efficiency power conversion, and built-in protection features to guard against overload, overvoltage, and thermal issues. Its redundant configuration support and hot-swappable design ensure maximum system availability and reduce downtime in mission-critical applications.

The module’s modular structure and compliance with international standards make it ideal for complex process control environments, such as oil refineries, chemical processing plants, power generation facilities, and manufacturing automation networks.

Product Parameters

Applications

• Distributed Control Systems (DCS) in industrial automation

• Powering CPUs, I/O modules, and interface units in control cabinets

• Redundant power architectures in safety-critical environments

• Chemical and petrochemical facilities requiring stable and clean DC power

• Oil & gas refining plants with centralized control stations

• Energy management and SCADA systems in power generation and distribution

• Pharmaceutical process automation for 24/7 regulated production

Advantages

• Dual Voltage Output: Simultaneously supports 5V and 24V output lines for mixed device loads

• Redundancy Ready: Allows parallel operation for fault-tolerant systems

• Industrial Durability: Withstands high humidity, temperature fluctuations, and electrical noise

• Advanced Protection: Safeguards against overload, short circuit, and overheating

• Hot-Swappable Design: Ensures maintenance can be performed without system shutdown

• Wide Input Range: Compatible with global power standards (100–240 VAC)

• Minimal Downtime: Diagnostic indicators and robust construction reduce operational risk

• Compact Form Factor: Fits into Yokogawa’s standardized system racks with optimized space utilization

Frequently Asked Questions (FAQ)

Q1: What is the main function of the PW302-S4 module?

A1: It converts AC input power to regulated DC voltages (5V and 24V) required by DCS components.

Q2: Is the module suitable for redundant configurations?

A2: Yes, the PW302-S4 can be used in parallel for redundancy to ensure uninterrupted power supply.

Q3: What is the output capacity of the module?

A3: It provides up to 12 A at 5 VDC and up to 6 A at 24 VDC.

Q4: Does it support hot-swapping?

A4: Yes, the module can be removed or inserted without shutting down the system.

Q5: What kind of protection mechanisms are built in?

A5: It includes overvoltage, overload, and thermal protection with automatic recovery.

Q6: Can this module be used outside of Yokogawa systems?

A6: While designed for Yokogawa systems, it may be used in compatible systems if electrical specifications are met.

Q7: What standards does it comply with?

A7: It meets CE, UL, CSA, and IEC safety and EMC standards.

Q8: How is the cooling achieved?

A8: The module uses natural convection along with an internal fan to dissipate heat.

Q9: What does the LED status indication show?

A9: It indicates power status, module health, and redundancy status for maintenance purposes.

Q10: What are the module’s dimensions and weight?

A10: It measures 280 x 100 x 280 mm and weighs 3.26 kg.