13.2.4 SignalsTable 349:FUFSPVC Input signalsName Type Default DescriptionI3P GROUPSIGNAL- Current connectionU3P GROUPSIGNAL- Voltage connectionBLOCK 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 openBLKTRIP BOOLEAN 0 Blocks operation of function when activeTable 350:FUFSPVC 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 phasesSTDI BOOLEAN Common start signal of sudden change in currentSTDIL1 BOOLEAN Start signal of sudden change in current, phase L1STDIL2 BOOLEAN Start signal of sudden change in current, phase L2STDIL3 BOOLEAN Start signal of sudden change in current, phase L3STDU BOOLEAN Common start signal of sudden change in voltageSTDUL1 BOOLEAN Start signal of sudden change in voltage, phase L1STDUL2 BOOLEAN Start signal of sudden change in voltage, phase L2STDUL3 BOOLEAN Start signal of sudden change in voltage, phase L3Section 13 1MRK502052-UEN BSecondary system supervision608Technical manual
