IndicationsIndicationMaN: Indication mask for binary input N. If set (Show), a status change ofthat particular input, will be fetched and shown in the disturbance summary on localHMI. If not set (Hide), status change will not be indicated.SetLEDN: Set red LED on local HMI in front of the IED if binary input N changesstatus.Disturbance recorderOperationM: Analog channel M is to be recorded by the disturbance recorder (On) ornot (Off).If OperationM = Off, no waveform (samples) will be recorded and reported in graph.However, Trip value, pre-fault and fault value will be recorded and reported. Theinput channel can still be used to trig the disturbance recorder.If OperationM = On, waveform (samples) will also be recorded and reported in graph.Event recorderEvent recorder (ER) function has no dedicated parameters.Trip value recorderZeroAngleRef: The parameter defines which analog signal that will be used as phaseangle reference for all other analog input signals. This signal will also be used forfrequency measurement and the measured frequency is used when calculating tripvalues. It is suggested to point out a sampled voltage input signal, for example, a lineor busbar phase voltage (channel 1-30).Event listEvent list (EL) (SOE) function has no dedicated parameters.17.6.3.5 ConsiderationThe density of recording equipment in power systems is increasing, since the numberof modern IEDs, where recorders are included, is increasing. This leads to a vastnumber of recordings at every single disturbance and a lot of information has to behandled if the recording functions do not have proper settings. The goal is to optimizethe settings in each IED to be able to capture just valuable disturbances and tomaximize the number that is possible to save in the IED.The recording time should not be longer than necessary (PostFaultrecT andTimeLimit).• Should the function record faults only for the protected object or cover more?• How long is the longest expected fault clearing time?• Is it necessary to include reclosure in the recording or should a persistent faultgenerate a second recording (PostRetrig)?Minimize the number of recordings:1MRK 502 071-UEN - Section 17MonitoringGenerator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062 649Application manual
