The zenon OPC UA server incorrectly sends an initial PublishResponse with a DataChange notification instead of an EventNotificationList when an OPC UA client subscribes for events

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• FAQ: How can I browse an OPC UA Server using the zenon OPC UA Client Driver?

  Go to Drivers > New Driver Create a Driver of Type "OPC UA Client Driver" Open the Driver Configuration Go to "Connections" Create a new Connection Enter your Discovery URL Enter your Server URL manually or click the 3 dots to browse the Discovery ...

• 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 ...

• OPC-UA Server: DNS Name used in certificate created by zenon.

  The creation of the DNS name in the OPC-UA Server certificate may vary depending on the zenon build and if the machine is within a Workgroup or is part of a Domain. This information can be verified in the certificate, the certificates files (*.der) ...

• The OPC UA server does not consider the timeoutHint in Publish Requests from an OPC UA client

  Summary The zenon OPC UA server in the process gateway and the zenon logic OPC UA server, do not consider the timeoutHint in Publish Requests from OPC UA clients. OPC UA clients that expect an OPC UA server to consider the timeoutHint may reject a ...

• The runtime and the OPC UA server in the process gateway may stop responding under specific circumstances where an OPC UA client calls "ConditionReferesh" to update events

  Summary When an OPC UA client calls "ConditionRefresh" under specific timing conditions, at the moment when alarms are generated in the runtime for which the OPC UA client has an active event subscription, both the runtime an the OPC UA server may ...