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5 result(s) for EventQueueOverflowEventType

• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.13.1.5 Queue parameters
  responsible for the Event buffer. If Events are lost, an Event of the type EventQueueOverflowEventType is placed in the queue. This Event is generated when the first Event is discarded
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  7.21 MonitoringParameters
  bounding value. In the case of a queue overflow, an Event of the type EventQueueOverflowEventType is generated. discardOldest Boolean Specifies the discard policy when the queue is full
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  7.22.3 EventFilter
  EventFilter is set. These Servers do not return errors for unknown EventTypes or BrowsePaths . EventQueueOverflowEventType Events are special Events which are used to provide control information to the Client . These ... Events are only published to the MonitoredItems in the Subscription that produced the EventQueueOverflowEventType Event . These Events bypass the whereClause . Table 143 defines the EventFilter structure. Table 143 - EventFilter structure
• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  4.3 Historians and interruption of data collection
  interrupted for long enough that the Subscription buffer reports an overflow (instance of EventQueueOverflowEventType ), then the Event storage shall report this error. This can be accomplished by storing the instance ... EventQueueOverflowEventType event or by recording a Bad _ DataLost. If the lost data is indicated by EventQueueOverflowEventType , this event shall always be returned for any filter, just
• OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub
  6.2.6.2 PublishingInterval
  number of Events exceeds the buffer capability of the DataSetWriter, an Event of type EventQueueOverflowEventType is inserted as last entry into the buffer and all Events that