OPCUA32: driver crashes on writing specific array elements with access to arrays on element index disabled

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• The OPCUA Client driver subscribes to array elements inefficiently causing slow performance with many large arrays.

  Summary The OPCUA client driver subscribes to single array elements which causes slow performance with an OPCUA server with a larger number of large arrays. (>150.000) The peformance of the OPC UA client driver should be improved in regard to ...

• The OPC UA client driver does not mark array elements as INVALID when the connection to the OPC UA server is lost

  Summary When the option "request array variables on index basis" is disabled in the driver configuration of the OPC UA client driver, the driver does not mark array elements as INVALID when the connection to the OPC UA server is lost. Description ...

• Checklist: Driver(s) cannot establish a reliable communication

  Time estimate: 60 minutes Please go through all the points in the following checklist. If necessary, confirm with IT Department any information you cannot verify before contacting your local COPA-DATA Representative. Checklist usage: #. [Quick hints] ...

• no status bits and timestamp available for writing access for all intern driver variables

  Summary From the Build versions 7.20 Build 38805; 7.50 Build >38795; 7.60 Build >38809 on we added a new option which will affect the Tag counting for internal driver variables. This setting is project wide and can be found in the project.ini or in ...

• S7TIA Driver: import filter "accessible from HMI" does not work correct with array elements

  Summary The array elements have set the "accessible from HMI" flag. When you import variables with zenon S7TIA driver import and set the pre filter "only show variables with this flag!", this variables are not shown. DescriptionThe array elements ...