20.6 Time synchronization TIMESYNCHGEN20.6.1 FunctionalityThe time synchronization function is used to select a common source of absolute timefor the synchronization of the IED when it is a part of a protection system. This makesit possible to compare events and disturbance data between all IEDs within a stationautomation system and in between sub-stations.Micro SCADA OPC server should not be used as a timesynchronization source.20.6.2 SettingsThere are two groups of parameter settings related to time:• System time• SynchronizationThe System time group relates to setting the on/off and start/end of the DaylightSaving Time (DST) for the local time zone in relation to Coordinated Universal Time(UTC). The Synchronization group relates to selecting the coarse and finesynchronization sources. As well as defining the synchronization master and accuracylevels specifically for IEC 61850-9-2.All the settings and parameters related to time are available via Local HMI underMain menu/Configuration/Time/System time and via PCM600 under IEDConfiguration/Time.1MRK502052-UEN B Section 20Basic IED functions1103Technical manual
