11.1.3 Function blockSDDRFUFI3P*U3P*BLOCKCBCLOSEDMCBOPDISCPOSBLKZBLKU3PHDLD1PHDLD3PHIEC08000220 V1 ENFigure 156: SDDRFUF function block11.1.4 SignalsTable 198:SDDRFUF Input signalsName Type Default DescriptionI3P GROUPSIGNAL- Three phase group signal for current inputsU3P GROUPSIGNAL- Three phase group signal for voltage inputsBLOCK BOOLEAN 0 Block of functionCBCLOSED BOOLEAN 0 Active when circuit breaker is closedMCBOP BOOLEAN 0 Active when external MCB opens protected voltagecircuitDISCPOS BOOLEAN 0 Active when line disconnector is openTable 199:SDDRFUF Output signalsName Type DescriptionBLKZ BOOLEAN Start of current and voltage controlled functionBLKU BOOLEAN General start of function3PH BOOLEAN Three-phase start of functionDLD1PH BOOLEAN Dead line condition in at least one phaseDLD3PH BOOLEAN Dead line condition in all three phasesSection 11 1MRK 502 048-UEN ASecondary system supervision308Technical manual
