ABB relion REF615 - 5.1.1.3 Phase voltages; 5.1.1.4 Residual voltage; 5.1.1.5 Sensor inputs; 5.1.2 Auxiliary supply voltage input

3.14.3.8 Other functions
The configuration includes few instances of residual overvoltage protection, phase
overvoltage and undervoltage protection, positive-sequence undervoltage protection,
negative-sequence overvoltage protection, frequency protection, multipurpose
protection MAPGAPC, high-impedance fault detection PHIZ, runtime counter for
machines and devices MDSOPT and different types of timers and control functions.
These functions are not included in application configuration but they can be added
based on the system requirements.
Section 3 1MRS756378 S
REF615 standard configurations
378 REF615
Application Manual