OPCUA32 client driver should adapt to specified behaviour for short connection losses to the OPCUA server

• Related Articles

• The OPCUA32 client driver does not resume communication after short network connection loss under specific circumstances.

  Summary When the network connection between the OPCUA32 client driver and the OPC UA server is lost for a specific short period where TCP retransmits may still reach the server after the connection is established and where the connection loss is long ...

• 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 ...

• FAQ: What are Installation and Security considerations of the zenon Smart Server and Smart Client?

  The attached document (English only) describes in some detail the specifics of the zenon Smart Server Application and the zenon Smart Client Application. Also a short explanation of security features and components is given. More information about ...

• OPCUA32: static variables remain INVALID after very short connection loss

  Summary When the OPCUA32 OPC UA client driver experiences a short connection loss, and the connection can be re-established immediately, variables that do not change on the OPC UA server side, remain with INVALID status in the runtime, until the ...

• The OPCUA client driver should increase the grace period to establish if a server is no longer responding

  Summary If under specific circumstances an OPCUA server is not capable of sending a publish response with a keep alive message in time the OPCUA client may assume that the OPCUA server is no longer available. A grace period is applied of 1000ms. ...