execute commandSY_INPROSYNC_OKt2>tSynchronizing, thenblocked-by-synchrocheck in'cause' is settSynchrocheckt1START_SYtSynchronizingt2en05000095.vsdIEC05000095 V1 ENFigure 177: tSynchroCheck and tSynchronizingError handlingDepending on the error that occurs during the command sequence, the error signal willbe set with a value. Table 233 describes vendor specific cause values in addition tothese specified in IEC 61850-8-1 standard. The list of values of the “cause” are inorder of priority. The values are available over the IEC 61850. An output L_CAUSEon the function block indicates the latest value of the error during the command.Table 233:Values for "cause" signal in priority orderApparatus controlfunctionDescription–22 wrongCTLModel–23 blockedForCommand–24 blocked-for-open-command–25 blocked-for-close-command–30 longOperationTime–31 switch-not-start-moving–32 persistent-intermediate-state–33 switch-returned-to-initial-position–34 switch-in-bad-state–35 not-expected-final-position12.2.9.2 Bay control QCBAYThe functionality of the Bay control (QCBAY) function is not defined in the IEC61850–8–1 standard, which means that the function is a vendor specific logical node.The function sends information about the Permitted Source To Operate (PSTO) andblocking conditions to other functions within the bay for example, switch controlfunctions, voltage control functions and measurement functions.Section 12 1MRK 502 048-UEN AControl352Technical manual
