16.6.7 Operation principleM12155-6 v10Disturbance report DRPRDRE is a common name for several functions to supply theoperator, analysis engineer, and so on, with sufficient information about events in thesystem.The functions included in the disturbance report are:• Sequential of events (SOE)• Indications (IND)• Event recorder (ER)• Trip value recorder (TVR)• Disturbance recorder (DR)• Settings informationFigure 223 shows the relations between Disturbance Report, included functions andfunction blocks. Sequential of events (SOE), Event recorder (ER) and Indications(IND) uses information from the binary input function blocks (BxRBDR). Trip valuerecorder (TVR) uses analog information from the analog input function blocks(AxRADR). Disturbance recorder DRPRDRE acquires information from bothAxRADR and BxRBDR.1MRK 511 408-UUS A Section 16MonitoringPhasor measurement unit RES670 2.2 ANSI 571Technical manual
