Yokogawa PW481-11 Power Supply Module

The Yokogawa PW481-11 is a high-quality power supply module designed to meet the demanding requirements of Yokogawa’s distributed control systems (DCS) and industrial automation environments. This module delivers a stable and regulated DC power source to ensure reliable operation of control devices, communication units, and field instrumentation.

The PW481-11 power module is engineered to provide consistent output under varying load conditions, minimizing disruptions and enhancing system uptime. Its compact form factor and robust design enable easy integration into control cabinets where space and reliability are critical factors.

Technical Specifications

Product Advantages

• Stable and Reliable Power Output

  The PW481-11 ensures consistent 24 V DC supply, which is crucial for uninterrupted control system operation.

• Compact and Space-Efficient

  With dimensions of 49.7 × 199.5 × 149 mm and a weight of 1 kg, it fits conveniently in limited cabinet space.

• High Efficiency

  Operating at an efficiency of 85% or higher, it minimizes energy loss and reduces operational costs.

• Wide Input Voltage Range

  Compatible with global power supplies ranging from 100 to 240 V AC, enabling worldwide applicability.

• Comprehensive Protection Mechanisms

  Equipped with safeguards against overvoltage, overload, and short circuits to protect both the module and connected devices.

• Robust Industrial Design

  Built to withstand the harsh conditions commonly found in industrial and process control environments.

• Effective Thermal Management

  Forced air cooling maintains stable operation and prolongs module lifespan.

Applications

The PW481-11 power supply module is ideal for:

• Distributed Control Systems (DCS)

  Powering various modules and devices within Yokogawa’s control system framework.

• Industrial Process Automation

  Supplying power to sensors, actuators, and controllers in manufacturing and process industries.

• Energy Production and Management

  Reliable power for equipment used in power plants and energy distribution networks.

• Oil & Gas Facilities

  Ensuring continuous power supply in critical automation and safety systems.

• Water and Wastewater Treatment Plants

  Supporting control units and instrumentation for efficient treatment processes.

• Building Automation Systems

  Powering control systems managing HVAC, lighting, and security.

FAQs

1. What are the dimensions of the PW481-11?

   It measures 49.7 × 199.5 × 149 mm.

2. How much does the module weigh?

   The PW481-11 weighs approximately 1 kg.

3. What input voltage range does this power supply accept?

   It accepts 100-240 V AC input voltage.

4. What is the output voltage and current rating?

   The module outputs 24 V DC at a maximum of 20 A.

5. Does the module have built-in protection features?

   Yes, it includes overvoltage, overload, and short circuit protection.

6. What cooling method is used in the PW481-11?

   It utilizes forced air cooling for thermal management.

7. Is the PW481-11 compatible with other Yokogawa DCS components?

   Yes, it is specifically designed for Yokogawa DCS integration.

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

   The efficiency is rated at 85% or higher.

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

   Yes, it supports both DIN rail and panel mounting.

10. What operating temperature range does the PW481-11 support?

    The module operates reliably from 0°C to 55°C.