OPCUA State Variable Response During Ethernet Disconnection

• Related Articles

• 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 ...

• Unexpected State detected for License dongles

  The license central indicates an unexpected state for a certain dongle if the state of the dongle - given in a license request or license confirmation file - does not match that one which is calculated by the license central. A reason for this can be ...

• The OPCUA client driver does not properly evaluate a timeout response from the OPCUA server and logs an error regarding a malformed telegram.

  Summary When a server has timeout - cannot issue requested Publish on time - the OPCUA server sends a telegram with the error message instead of the publish response. The OPCUA client driver does not correctly parse the received telegram and logs an ...

• OPCUA client driver after the build 55804 generates with the variable import wrong variable names

  Summary OPCUA Client driver generates wrong variable names at import (after build 55804) Description OPCUA Client driver generates wrong variable names at import (after build 55804) Information For the version 7.60 and 8.00 exists the posibility to ...

• The OPCUA client driver stops sending service requests for a subscription when no variables are needed in the runtime and attempts to reuse the no longer existing subscription when a variable is needed again.

  Summary When momentarily no variables are used in the runtime from a connection in the OPCUA client driver, the OPCUA client driver no longer sends service requests for the subscribtion that was previously created for these variables. The OPCUA ...