Product Overview

The PW484-50 is a high-efficiency power supply module engineered by Yokogawa specifically for use within the CENTUM VP and CS 3000 Distributed Control Systems (DCS). This module serves as the primary energy source for system nodes, converting standard alternating current into the regulated DC power required for sensitive electronic components and I/O modules. Designed for high-availability environments, the PW484-50 features a robust internal architecture that supports dual-redundancy configurations, ensuring continuous process operation even in the event of a single power source failure. Its compact form factor and advanced heat dissipation capabilities make it an essential component for maintaining system stability in industrial control cabinets.

Fundamental Hardware Parameters and Design Metrics

• Input Voltage Range: Dual-range 100-120 V AC / 220-240 V AC (±10%)

• Frequency Compatibility: 50/60 Hz (±3 Hz)

• Maximum Power Rating: 230 VA

• Protection Circuitry: Integrated Overload and Short-Circuit Protection

• Net Weight: 1.0 kg (Approximately 1000g)

• Standard Dimensions: 130 mm x 182 mm x 45 mm

• Redundancy: Supports parallel connection for fault-tolerant operation

• Cooling: Natural convection air cooling

Industrial Integration and Deployment Context

This power module is indispensable in large-scale automation projects where power reliability directly impacts production safety. Typical applications include:

• Powering Field Control Stations (FCS) in petrochemical refineries and chemical processing plants.

• Providing stable DC voltage for I/O module nests in water treatment and utility management systems.

• Supporting the central processing units of Yokogawa DCS racks in thermal and renewable energy power plants.

• Ensuring uptime in critical infrastructure monitoring systems requiring a redundant power backbone.

FAQ

Q: Does the PW484-50 support global power standards?

A: Yes, the module features a universal AC input design that accommodates both 100-120V and 220-240V standards, making it suitable for international industrial deployments.

Q: How does the redundancy feature work with this specific model?

A: The PW484-50 is designed to be paired with an identical module in a redundancy-ready backplane. If one unit fails, the secondary module immediately assumes the full load without interrupting the control system's operation.

Q: Is this module compatible with the CENTUM VP series?

A: Correct. This module is a standard power component for the Yokogawa CENTUM VP and legacy CS 3000 systems, typically used within the power supply slots of the node units.

Q: What safety mechanisms are built into the hardware?

A: The unit includes built-in overload protection to prevent damage during current surges and is manufactured to rigorous Japanese industrial standards for long-term thermal stability.

Q: What is the typical lead time if the item is out of stock?

A: While in-stock items generally ship within one to three days, out-of-stock modules require a negotiated timeline based on current manufacturer availability and logistics.