The protection relay records relay status data and events.Document all the recorded data from the protection relay beforeresetting the tripping and relay lockout functions.5.3 Relay parametrizationProtection relay parameters are set via the LHMI, WHMI or PCM600.Setting parameters need to be calculated according to the electrical networkconditions and the electrical characteristics of the protected equipment. Theprotection relay's settings need to be verified before the protection relay is connectedto a system.Document all changes to parameter settings.For more information, see the PCM600 documentation.Do not switch off the auxiliary power supply to the protection relaybefore changes, for example, setting parameter or local/remotecontrol state changes are saved.A mechanism for limiting the number of writings per time period is included in theprotection relay to prevent the flash memory from wearing out due to too manywritings caused by the application configuration. As a consequence, savingapplication function states may take up to an hour. If the auxiliary power is interruptedbefore the states are saved, that change is lost. Settings and configuration parametersare saved without delay.5.3.1 Settings for relay functionalityFunction settings can be edited one by one by navigating to the individual settingvalues, for example via the LHMI. The values in other setting groups should be knownbefore editing a certain setting value.After completing the editing of setting group values, the new values are activated. Theuser can either commit the edited values or discard them.1MRS756509 E Section 5IED operation630 series 63Operation Manual