DNP3 protocol................................................................................ 993IEC 61850-8-1 communication protocol......................................... 993Communication interfaces and protocols.................................. 993Settings......................................................................................994Technical data........................................................................... 994Generic communication function for Single Point indicationSPGAPC, SP16GAPC...............................................................994Functionality......................................................................... 995Function block...................................................................... 995Signals..................................................................................995Settings................................................................................ 996Monitored data..................................................................... 996Operation principle............................................................... 997Generic communication function for Measured ValueMVGAPC................................................................................... 997Functionality......................................................................... 997Function block...................................................................... 997Signals..................................................................................998Settings................................................................................ 998Monitored data..................................................................... 999Operation principle............................................................... 999IEC 61850-8-1 redundant station bus communication.............. 999Functionality......................................................................... 999Function block...................................................................... 999Signals................................................................................1000Settings.............................................................................. 1000Monitored data................................................................... 1000Principle of operation..........................................................1000LON communication protocol....................................................... 1002Functionality............................................................................ 1002Settings....................................................................................1002Operation principle.................................................................. 1002Technical data......................................................................... 1020SPA communication protocol....................................................... 1020Functionality............................................................................ 1020Design..................................................................................... 1020Settings....................................................................................1021Operation principle.................................................................. 1021Communication ports......................................................... 1029Technical data......................................................................... 1029IEC 60870-5-103 communication protocol................................... 1030Introduction..............................................................................1030Measurands for IEC 60870-5-103 I103MEAS......................... 1030Functionality....................................................................... 1030Table of contents27Technical manual