Description

Product Description

Overview
The PW481-51 power supply module by Yokogawa is a dedicated module designed specifically for FCU, FIO Node Units, and Optical ESB Bus Repeater Units. This module is discontinued by the manufacturer and is not intended for general-purpose power supply applications. It provides reliable operation within its defined input range and is optimized to meet the performance requirements of its exclusive system integrations.

Technical Specifications

• Model: PW481-51

• Input Voltage: 100 to 120 VAC ±10 percent

• Input Frequency: 50 / 60 Hz ±3 Hz

• Maximum Power Consumption: 200 VA

• Weight: Approximately 1 kg

• Operating Environment: Refer to Installation Guidance TI 33J01J10-01JA

• Output Voltage and Current: Not specified; exclusive module for FCU, FIO Node Unit, and Optical ESB Bus Repeater

• Status: Discontinued by Manufacturer

Applications

• Dedicated power module for FCU and FIO Node Units

• Supports Optical ESB Bus Repeater Units in controlled system environments

• Suitable for installations where module-specific voltage regulation is required

Similar Model Comparison

• PW481-10: Standard S2-style power supply for general field control stations

• PW481-51: Exclusive module for FCU and Optical ESB Bus units with controlled output parameters

FAQ

Q: Can PW481-51 be used as a generic power supply?
A: No, this module is intended exclusively for FCU, FIO Node Units, and Optical ESB Bus Repeater Units.

Q: What is the weight and installation requirement?
A: The module weighs approximately 1 kg and should be installed following the official Installation Guidance TI 33J01J10-01JA.

Specifications

• Brand: Yokogawa

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems