IEC16000040-1-en.vsdxRESTOREVoltagestartSTARTTRIPblockIf[StartFreqGrad<0ANDdf/dt < StartFreqGrad]OR[StartFreqGrad>0ANDdf/dt > StartFreqGrad]ThenSTARTU < IntBlockLevelBLKDMAGNRate-of-changeof FrequencyBLOCKORBLKREST>f > RestoreFreq tRestore restoreANDBLKTRIPtripANDstartStart&TripoutputlogicDefinite timertResettDelayFrequencyIEC16000040 V1 EN-USFigure 132: Simplified logic diagram for SAPFRC10.3.7 Technical dataM14976-1 v9Table 150:SAPFRC Technical dataFunction Range or value AccuracyOperate value, start function (-10.00-10.00) Hz/s ±10.0 mHz/sOperate value, restoreenable frequency(45.00-65.00) Hz ±2.0 mHzDefinite restore time delay (0.000-60.000) s ±0.2% or ±100 ms whichever isgreaterDefinite time delay forfrequency gradient trip(0.200-60.000) s ±0.2% or ±120 ms whichever isgreaterDefinite reset time delay (0.000-60.000) s ±0.2% or ±250 ms whichever isgreater1MRK 505 394-UEN A Section 10Frequency protectionLine differential protection RED650 2.2 IEC 281Technical manual