The OPC UA server sends a PublishResponse with DataChangeNotification after a MonitoredItem is removed although no values have changed
Summary
After an OPC UA client removes a MonitoredItem from the Subscription, the OPC UA server sends a DataChangeNotification with the current value for all remaining MonitoredItems in the subscription, even though the values or status did not change.
Description
After an OPC UA client removes a MonitoredItem from the Subscription, the OPC UA server sends a DataChangeNotification with the current value for all remaining MonitoredItems in the subscription, even though the values or status did not change.
Solution
An issue has been addressed in the OPC UA server for the process gateway where the OPC UA server would incorrectly send a PublishResponse with a DataChangeNotification containing the current value for all MonitoredItems in the subscription, even though these values did not change, after an OPC UA client removed a monitoredItem from the subscription.
Now the OPC UA server for the process gateway no longer sends PublishResponses with DataChangeNotifications after removing a MonitoredItem, when the values did not chan
Issue Number: 35638
Fixed on Date: 11.11.2016
Versions: 7.50 0 BUILD 33300 | 7.60 0 BUILD 36068