Logical device division - 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

It is possible to have maximum of 45 logical devices. Function designs consisting of multiple logical nodes should be mapped under the same logical device.