Substitution - Arc protection - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Grid automation - Busbar differential protection (high impedance) - Line differential protection - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Interconnection protection - Generator protection - Power management/Load shedding - IEC 61850 Engineering Guide - REX615 Protection and control - Relion Protection and Control - PCL2 - IEC - ANSI - 14.05.2025

REX615 IEC 61850 Engineering Guide

The relay does not support substitution. It is, however, possible to have substation data in the FPN data model and map it to the relay's application data.