AccessOPCUA: Changes and enhancements in the OPC UA server of the process gateway

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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 ...

• AccessOPCUA: Support for external OPC UA Data Model

  Summary The AccessOPCUA Process Gateway now also supports external OPC UA information models. The following enhancements have been implemented for this purpose: Reload supports customized OPC UA information models without interrupting communication ...

• Certification of the Process Gateway OPC UA Server

  Summary The AccessOPCUA Process Gateway accepts, as an option, only encrypted connections. Description For this, the additional selection Sign & Encrypt was added in the configuration dialog in the Endpoints tab in the drop-down lists of the options ...

• AccessOPCUA: The OPC UA Server does not use the correct SignatureAlgorithm for the endpoint selected by the OPC UA client

  Summary Communication cannot be established between a specific OPC UA client and the AccessOPCUA Process Gateway, when the client uses Basic256Sha256 with sign, and a UserNameIdentityToken with a specific encryption algorithm for authentication.  ...

• The AccessOPCUA OPC UA server in the process gateway allows write requests of OPC UA clients when the variable status is INVALID and updates the internal shadow value.

  Summary When a variable configured in the OPC UA server in the process gateway has status INVALID an OPC UA client can still write the value and the value will get updated in the OPC UA server itself. The value is not sent to the runtime and the PLC. ...