DO name DO type DA name FC T Signal Mon/CmdDescriptionDifAlm v1SPS stVal ST - IDALARM Mon Alarm for sustained diff currents inall three phasesq ST - IDALARM Mon Quality: Alarm for sustained diffcurrents in all three phasest ST - IDALARM Mon Timestamp: Alarm for sustaineddiff currents in all three phases7.5.1.3 Low impedance restricted earth fault protection REFPDIFLN type LN prefix LN class Function block nameREFPDIF (revision 1) REF PDIF REFPDIFTable 13:REFPDIF Logical node dataDO name DO type DA name FC T Signal Mon/CmdDescriptionMod a_dINC Oper.ctlVal CO - Mod Cmd Mode parameterOper.origin.orCat CO - Mod Cmd Mode parameterOper.origin.orIdent CO - Mod Cmd Mode parameterOper.ctlNum CO - Mod Cmd Mode parameterOper.T CO - Mod Cmd Mode parameterOper.Test CO - Mod Cmd Mode parameterOper.Check CO - Mod Cmd Mode parameterstVal ST - - Mon Mode status parameter for 61850q ST - - Mon Quality: Mode status parameter for61850t ST - - Mon Timestamp: Mode statusparameter for 61850Beh a_dINS stVal ST - Beh Mon Behaviour parameterq ST - Beh Mon Quality: Behaviour parametert ST - Beh Mon Timestamp: Behaviour parameterStr b_dACD general ST - START Mon Start by restricted earth faultprotection functionq ST - START Mon Quality: Start by restricted earthfault protection functiont ST - START Mon Timestamp: Start by restrictedearth fault protection functionOp b_dACT general ST T TRIP Mon Trip by restricted earth faultprotection functionq ST T TRIP Mon Quality: Trip by restricted earthfault protection functiont ST T TRIP Mon Timestamp: Trip by restrictedearth fault protection functionTable continues on next pageSection 7 1MRK 511 349-UEN -Logical node data model94 670 series 2.1 IECCommunication protocol manual