CHAPTER 4: SETPOINTS MONITORING889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL 4–275Figure 4-109: Frequency OOB Accumulation (with Accumulator 1) Logic Diagram894162A1.CDRFLEXLOGIC OPERANDFreq OOB 1 Accum PKPInput Signal ParameterANDFREQ ACCUM BLOCK:SETPOINTSRUNVOLT MAGMIN VOLTSETPOINTSV > MinimumFrequencyOffUPPER FREQ:LOWER FREQf LOWER < f fUPPERSETPOINTSANDRUNTIME LIMITTIME PRESET:tACCUM > tLIMITSETPOINTSAccumulatingFREQ OOB 1 ACCUM = (ActualAccumulator Value1/ TIME LIMIT1)*100ACTUAL VALUESSETPOINTSRESSET ACCUMULATORSFreq OOB 1 Accum OPORANDAND ANDORLATCHSRRESETCommandLED: AlarmFUNCTIONSETPOINTSDisabled = 0ALARMLATCH ALARMSETPOINTOutput Relay2 to XDo Not Operate, OperateCONFIGURABLEFLEXLOGIC OPERANDRESSET ACCUMULATORS< FREQ OOB 1 ACCUMSlot J Card
