77% (42) 1.7k views 9 pages

REX 521 General Parameters List

AI-enhanced description

This document provides a comprehensive list of configurable parameters for the ABB REX 521 relay, covering measurement scaling, communication protocols (IEC 103, LON, SPA, MODBUS), and their settings. It includes parameter values, units, defaults, and access paths for configuration via the relay setting tool or front panel.

Uploaded by Liam-424
Download
/ 9
Loading document…