CHAPTER 3: IEC 61850 COMMUNICATION MODEL IMPLEMENTATION CONFORMANCE STATEMENT (MICS)UR FAMILY – COMMUNICATIONS GUIDE 3-633CrcFailζ SPS 87L DIFF CHζ CRCFAIL operand, whichbecomes on when the differentialelement’s has detected the CRC errorthreshold has been exceeded on channelζ.RstVal BOOLEAN ST 87L DIFF CHζ CRCFAIL RIdFailζ SPS 87L DIFF CHζ ID FAIL operand, whichbecomes on when the differentialelement’s ID check for a peer L90 onchannel ζ has failed.RstVal BOOLEAN ST 87L DIFF CHζ ID FAIL RAnyGpsFail SPS 87L DIFF GPS FAIL operand, whichbecomes on when the GPS signal failedor is not configured properly at anyterminal.RstVal BOOLEAN ST 87L DIFF GPS FAIL RMaxAsymOpζSPS 87L DIFF CHζ MAX ASYM operand, whichbecomes on when the Asymmetry onchannel ζ exceeded preset value.RstVal BOOLEAN ST 87L DIFF CHζ MAX ASYM RTmChgOpζ SPS 87L DIFF CHζ TIME CHNG operand, whichbecomes on when the Change in roundtrip delay on channel ζ exceeded presetvalue.RstVal BOOLEAN ST 87L DIFF CHζ TIME CHNG RGpsFailζ SPS 87L DIFF GPS ζ FAIL operand. RstVal BOOLEAN ST 87L DIFF GPS ζ FAIL RBlk SPS 87L DIFF BLOCKED operand, whichbecomes On when the 87L function isblocked due to communication problems.RstVal BOOLEAN ST 87L DIFF BLOCKED RBlkHφ SPS only instantiated in L90 RstVal BOOLEAN ST 87L HARM2 θ OP RDistDet SPS 50DD SV operand, which becomes Onwhen the 87L disturbance detector hasoperated.RstVal BOOLEAN ST 50DD SV RStubBusOp SPS STUB BUS OP operand, which becomesOn when the Stub Bus function is active.RstVal BOOLEAN ST STUB BUS OP RDifAClc WYE Differential currents Rphsθ CMV Rphsθ.instCVal Vector MX Rphsθ.instCVal.mag.fFLOAT32 Iθ DIFF. CURRENT magnitude, inprimary ampsRphsθ.instCVal.ang.fFLOAT32 Iθ DIFF. CU UR range -180...+180 converted to 0...360Rphsθ.cVal Vector MX Rphsθ.cVal.mag.f FLOAT32 Iθ DIFF. CURRENT magnitude, inprimary amps, with deadbandRphsθ.cVal.ang.f FLOAT32 Iθ DIFF. CU UR range -180...+180 converted to 0...360Rphsθ.units Unit CF Rphsθ.units.SIUnit ENUMERATED 5, the code for amps Rphsθ.units.multiplierENUMERATED 0, the code for a multiplier of 1 Rphsθ.db INT32U CF LinDfPDIF1.DifAClc.phsθ.db R/W/Cphsθ.dbAng INT32U CF LinDfPDIF1.DifAClc.phsθ.dbAng R/W/Cphsθ.zeroDb INT32U CF CURRENT CUT-OFF LEVEL settingmultiplied by 100000/46.Rneut CMV RLNName: LinDfPDIF1 LDevice inst: Prot UR element: Line Differential element (ANSI 87L) phase and generalfunctionsdata obj. data attribute Type FC UR Name Description R/W/C