MiCOM P921/P922/P923 - Schneider - error
MiCOM P921/P922/P923 - Schneider - error
MiCOM P921/P922/P923 - Schneider - error
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P92x/EN TD/H42Page 26/42Technical GuideTechnical Data<strong>MiCOM</strong> <strong>P921</strong>/<strong>P922</strong>/<strong>P923</strong>TEXTF1+df1 to F6+df6FunctionCombination of time delayed frequency trip threshold (tF) andfrequency variation (df/dt): tF AND dF/dt (<strong>P923</strong>)F out Frequency out of range (<strong>P922</strong> and <strong>P923</strong>)du/dt1 to du/dt4tVTS1 st , 2 nd , 3 rd or 4 th rate of voltage variation protection(“delta U / delta t”) (<strong>P923</strong>)Voltage Transformer Supervision alarm, if enabled (VT Supervision/VTS Supervision submenu) (<strong>P922</strong> and <strong>P923</strong>)Input 1 Copy of the status of logic input No 1Input 2 Copy of the status of logic input No 2Input 3/4/5 Copy of the status of logic input No 3, 4 or 5 (<strong>P922</strong> and <strong>P923</strong>)tAux1 or tAux2tAux3 to tAux5tEqu A or tEqu B Result of equations A or B.tEqu C to tEqu DCopy of the status of the logic input delayed by t Aux1 or Aux2Copy of the status of the logic input delayed by t Aux3 or Aux5(<strong>P922</strong> and <strong>P923</strong>)Results of equations C to H (<strong>P923</strong>).CB Fail Circuit breaker failure signal (<strong>P922</strong> and <strong>P923</strong>)CB Alrm Circuit breaker alarm signal (<strong>P922</strong> and <strong>P923</strong>)6.7 Inputs assignationSingle function or multiple automation functions assignable to 4 (<strong>P921</strong>) or 7 (<strong>P922</strong>and <strong>P923</strong>) logic inputs:− All models: NONE, UNLATCH, 52a, 52b, CB FAIL, BLK LOG 1, BLK LOG 2,AUX 1 or AUX 2, CTRL TRIP, CTRL CLOS., LED RESET, Maint.−<strong>P922</strong> and <strong>P923</strong>: AUX 3 to AUX 5, CHANG SET, STRT DIST, TimeSynchronization, VTS6.8 VT Supervision Setting Range (<strong>P922</strong> and <strong>P923</strong>)VT SupervisionVTS SupervisionDetection modeSetting rangeMin Max StepYes or NoVTS Input / dVr+Input/delta VrtVTS 0s 100s 10msInhib VTS/52aBlock function U, V1, V1, Frequ., df:dt or du/dtYes or NoYes or No
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