This document describes the Modbus data points and structures available inREF615 Ver. 3.0. The point lists describe a superset of all data available throughthe standard configurations A, B, C, D, E, F, G, J and K including the optionalfunctionalities. The names of the standard configurations are FC01, FC02, FC03,FC04, FC05, FC06, FC07, FC51 and FC52 respectively.The majority of the Modbus data points are valid for all standard configurations.Some data points are standard configuration or optional application dependent andthus not available in each IED. The unavailable, that means unused, data pointsalways return value 0 when they are read. The configuration dependent andoptional data do not overlap.