Manuals+

ABB REF 542plus: Real-Time Clock Synchronization with IRIG-B

An overview of real-time clock synchronization using the IRIG-B input as a time master for the ABB REF 542plus protection relay.

Introduction to Real-Time Clock Synchronization

This document serves as an application note for the ABB REF 542plus protection relay, detailing its capabilities and procedures for real-time clock synchronization. It focuses on the relay's function as an IRIG-B input time master, ensuring accurate time stamping of events critical for power system analysis and protection.

Key Features and Functionality

The REF 542plus offers robust time synchronization mechanisms, primarily utilizing the IRIG-B signal. This application note elaborates on:

  • Various time master sources, including GPS and COM boards.
  • Specifications for the GPS input port and signal distribution.
  • Synchronization accuracy achievable with the embedded IRIG-B decoder.
  • Procedures for reading event data via the Modbus board in both standard and extended formats.
  • Details on event memory buffer operations and data structures.

Technical Documentation and Support

For comprehensive details and related documentation, users are encouraged to refer to the official ABB product literature. The REF 542plus is part of ABB's advanced substation automation solutions. For further information on ABB's offerings, please visit ABB Substation Automation.

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