CHAPTER 3: IEC 61850 COMMUNICATION MODEL IMPLEMENTATION CONFORMANCE STATEMENT (MICS)UR FAMILY – COMMUNICATIONS GUIDE 3-4133.5.2.6 B90 bus differential (B_Dif)This element is instantiated in the following products: B90.Table 3-24: B90 bus differential data objectssetSrcRef ObjectReference SP BF# AMP LOSET OP C for groupγ.reference to the data attribute to input R/CsetSrcCB ObjectReference SP source GoCB of input if via GOOSE R/CBlkRefγ ORG BF# BLK setting for setting group γ. RsetSrcRef ObjectReference SP BF# BLK for group γ. reference to the data attribute to input R/CsetSrcCB ObjectReference SP source GoCB of input if via GOOSE R/CLNName: B_DifPDIF# LDevice inst: Prot UR element: B90 Bus zone # differential element functiondata obj. data attribute Type FC UR Name Description R/W/CStrBia ACD BUS # BIASED PKP operand Rgeneral BOOLEAN ST BUS # BIASED PKP RdirGeneral ENUMERATED ST 1 for Forward, and it is mapped to sameoperand BUS # BIASED PKP (sincedifferential DIR logic condition is part ofdifferential logic)ROp ACT BUS # OP operand Rgeneral BOOLEAN ST BUS # OP ROpBia ACT BUS # BIASED OP operand Rgeneral BOOLEAN ST BUS # BIASED OP ROpUnBia ACT BUS # UNBIASED OP operand Rgeneral BOOLEAN ST BUS # UNBIASED OP RDpoBia SPS BUS # BIASED DPO operand, which is theinverse of BUS BIASED PKPRstVal BOOLEAN ST BUS # BIASED DPO RPhDir1 SPS BUS # DIR operand RstVal BOOLEAN ST BUS # DIR RSat1 SPS BUS # SAT operand RstVal BOOLEAN ST BUS # SAT RBDifAClc CMV BUS ZONE # differential current inprimary ampsRinstCVal Vector MX RinstCVal.mag.f FLOAT32 BUS ZONE # DIFF currentmagnitudeRinstCVal.ang.f FLOAT32 BUS # DIFF current angle UR range -180...+180 converted to 0...360RcVal Vector MX RcVal.mag.f FLOAT32 instCVal.mag.f deadbanded RcVal.ang.f FLOAT32 instCVal.ang.i deadbanded Runits Unit CF Runits.SIUnit ENUMERATED 5, the code for primary amperes Runits.multiplier ENUMERATED 0, the code for a multiplier of 1 Rdb INT32U CF B_DifPDIF#.BDifAClc.db R/W/CdbAng INT32U CF B_DifPDIF#.BDifAClc.dbAng R/W/CzeroDb INT32U CF RRRRBRstA CMV BUS ZONE # restraint current in primaryampsRinstCVal Vector MX RLNName: B_BFaiRBRF# LDevice inst: Prot UR element: B90 BREAKER FAILURE logic elementdata obj. data attribute Type FC UR Name Description R/W/C