The Yokogawa PW481-10 is a high-performance power supply module designed for Yokogawa’s advanced process automation systems. This module provides reliable and stable DC power essential for the operation of control units and field devices within distributed control systems (DCS). Engineered to deliver consistent voltage and current output, the PW481-10 ensures system stability and optimal performance in demanding industrial environments.

Compact in size and robust in construction, the PW481-10 power supply module supports efficient energy management, reduces downtime, and extends the operational life of connected components. It is widely recognized for its reliability, ease of integration, and superior power regulation capabilities.

Technical Specifications

Product Advantages

• Stable and Reliable Power Supply

  Delivers consistent voltage and current to ensure the smooth operation of control systems.

• Compact and Space-saving Design

  Its small footprint (49.7 × 199.5 × 149 mm) facilitates easy installation in control cabinets with limited space.

• High Efficiency

  Energy-efficient design reduces power consumption and operational costs.

• Wide Input Voltage Range

  Supports 100-240 V AC input, allowing flexible deployment worldwide.

• Advanced Protection Features

  Built-in safeguards against overvoltage, overload, and short circuits enhance safety and equipment protection.

• Robust Construction

  Designed for industrial environments, offering durability and long service life.

• Effective Cooling System

  Forced air cooling ensures stable operation even under high loads.

Applications

The PW481-10 power supply module is suitable for:

• Distributed Control Systems (DCS)

  Providing stable power for various control units and modules within Yokogawa’s DCS architecture.

• Process Automation

  Powering sensors, actuators, and communication modules in manufacturing and processing plants.

• Energy Sector

  Supporting power needs in power plants, substations, and energy management systems.

• Oil & Gas Industry

  Ensuring continuous operation of control equipment in harsh and hazardous environments.

• Water and Wastewater Treatment

  Powering controllers and instrumentation in treatment plants.

• Building Automation Systems

  Delivering reliable power to integrated control units managing HVAC, lighting, and security.

FAQs

1. What are the physical dimensions of the PW481-10?

   The module measures 49.7 × 199.5 × 149 mm.

2. How much does the PW481-10 weigh?

   It weighs approximately 1 kg.

3. What input voltage range does the module support?

   It supports a wide input range of 100-240 V AC.

4. What is the output voltage and current rating?

   The output is 24 V DC at up to 20 A.

5. Does the module include protection features?

   Yes, it has built-in overvoltage, overload, and short circuit protections.

6. What is the operating temperature range?

   It operates reliably between 0°C and 55°C.

7. What cooling method is used?

   Forced air cooling is employed for effective heat dissipation.

8. Can the module be mounted on a DIN rail?

   Yes, it supports DIN rail and panel mounting options.

9. Is the PW481-10 compatible with Yokogawa DCS?

   Yes, it is designed specifically for integration with Yokogawa’s DCS systems.

10. What is the efficiency rating of the power supply?

    The module operates at an efficiency of 85% or higher.