IEC61850-7-4;A2IEC:2005–2–57/781/CDVersion0.2/2005-08-18CDIEC61850-7-4,Amendment2CommunicationnetworksandsystemsinsubstationsPart7-4:Basiccommunicationstructureforsubstationsandfeederequipment-CompatiblelogicalnodeclassesanddataclassesAmendment2:Clarifications,correctionsandextensionsforstatisticaldataIEC61850-7-4;A2IEC:2005–3–57/781/CDVersion0.2/2005-08-18CONTENTSPage4Abbreviatedterms..........................................................................................................75LogicalNodeclasses......................................................................................................75.2InterpretationofLogicalNodetables......................................................................75.3SystemLogicalNodesLNGroup:L...................................................................85.13.1General.....................................................................................................85.3.2LN:PhysicaldeviceinformationName:LPHD.............................................85.3.3CommonLogicalNode...............................................................................85.3.4LN:LogicalnodezeroName:LLN0............................................................95.4LogicalNodesforprotectionfunctionsLNGroup:P...............................................95.4.19LN:OverfrequencyName:PTOF..............................................................95.5LogicalNodesforprotectionrelatedfunctionsLNGroup:R....................................95.5.2LN:DisturbancerecorderfunctionName:RDRE.........................................95.5.8LN:FaultlocatorName:RFLO..................................................................95.5.10LN:AutoreclosingName:RREC.................................................................95.6LogicalNodesforcontrolLNGroup:C..............................................................115.6.5LN:Point-on-waveswitchingName:CPOW..............................................115.13.6LN:SwitchcontrollerName:C...
