Reloading the runtime may result in empty system driver variables on the standby server under specific circumstances

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• Checklist: OPCDA Server

  Time estimate: 20 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. Do NOT use DCOM in combination ...

• After reloading a sub project under specific circumstances the runtime on the standby server may close unexpectedly

  Summary With an integration project and a sub project as redundant network projects with same server / standby server, the runtime on the standby server may close unexpectedly after transferring the runtime files to the primary server and reloading ...

• In specific circumstances the system driver variables may not be updated in the Runtime.

  Summary System driver variables may show wrong or outdated values in the Runtime when they are added by executing the "Reload project online" function. DescriptionSystem driver variables may show wrong or outdated values in the Runtime when they are ...

• On closing the runtime on the server, the runtime on the standby server closes unexpectedly with an unhandled exception under specific circumstances

  Summary Under specific circumstances and timing conditions closing the runtime on the server may result in an unhandled exception on the standby server and unexpected closing of the runtime on the standby server. Description Under specific ...

• The OPCUA client driver may cause the runtime to stop responding under specific circumstances

  Summary The OPCUA client driver uses the due time for publish responses (keepalive) to check if the OPCUA server is still responding. Normally if the connection to the OPCUA server is lost, the connection is closed at the TCP level. If however no ...