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3 result(s) for Overflow

• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.13.1.5 Queue parameters
  DataValue and the size of the queue is larger than one, then the Overflow bit (flag) in the InfoBits portion of the DataValue statusCode is set. If discardOldest is TRUE ... indicate the lost values in the next NotificationMessage . Figure 17 illustrates the queue overflow handling. Figure 17 - Queue overflow handling If the queue size is one, the queue becomes
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  7.21 MonitoringParameters
  Server may limit the size in revisedQueueSize . In the case of a queue overflow, the Overflow bit (flag) in the InfoBits portion of the DataValue statusCode ... Server shall return the corresponding bounding value. In the case of a queue overflow, an Event of the type EventQueueOverflowEventType is generated. discardOldest Boolean Specifies the discard policy when
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  7.25.2 DataChangeNotification parameter
  purge out data and the size of the queue is larger than one, the Overflow bit in the DataValue InfoBits of the statusCode is set. DataValue is a common type