6.4.3 Function blockGENPDIFI3PNCT*I3PTCT*BLOCKBLKRESBLKUNRESBLKNSUNRBLKNSSENDESENSITTRIPTRIPRESTRIPUNRETRNSUNRTRNSSENSSTARTBLKHOPENCTOPENCTALIDL1MAGIDL2MAGIDL3MAGIDNSMAGIBIASIEC07000025_2_en.vsdIEC07000025 V2 ENFigure 49: GENPDIF function block6.4.4 SignalsTable 44:GENPDIF Input signalsName Type Default DescriptionI3PNCT GROUPSIGNAL- Neutral side CT inputI3PTCT GROUPSIGNAL- Terminal side CT inputBLOCK BOOLEAN 0 Block of functionBLKRES BOOLEAN 0 Block of trip from the restrained diff. protectionBLKUNRES BOOLEAN 0 Block of trip from unrestrained diff. prot.BLKNSUNR BOOLEAN 0 Block of trip for unrestr. neg. seq. differentialfeatureBLKNSSEN BOOLEAN 0 Block of trip for sensitive neg. seq. differentialfeatureDESENSIT BOOLEAN 0 Raise pick up: function temporarily desensitizedTable 45:GENPDIF Output signalsName Type DescriptionTRIP BOOLEAN General, common trip signalTRIPRES BOOLEAN Trip signal from restrained differential protectionTRIPUNRE BOOLEAN Trip signal from unrestrained differential protectionTRNSUNR BOOLEAN Trip signal from unrestr. neg. seq. diff. protectionTRNSSENS BOOLEAN Trip signal from sensitive neg. seq. diff. protectionSTART BOOLEAN Common start signal from any phaseBLKH BOOLEAN Common harmonic block signalOPENCT BOOLEAN An open CT was detectedTable continues on next page1MRK 502 048-UEN A Section 6Differential protection123Technical manual
