OPCUA32: static variables remain INVALID after very short connection loss

• 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 ...

• While type mismatches zenon Process Gateway ICCP-TASE.2 as server is corrupting value of not mismatched variables after short connection loss.

  Summary Issue in zenon Process Gateway as ICCP-server. After short connection loss with remote ICCP-client the zenPG is transferring to the Runtime wrong values of some variables configured on tab 'server'. It does it with wrong values - values of ...

• FAQ: How can I monitor and react on the communication status of my devices with zenon?

  Data quality is very important to the integrity of a HMI or SCADA system. As such, zenon has numerous ways to monitor the communication status of different devices within your automation environment. Here are some options that you can use in your ...

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

  Summary In version 1.02 of the OPCUA specification, reconnect behaviour for OPCUA clients for short connection losses has been further specified. The OPCUA32 client driver should be adapted and act according to this specification. Description In ...

• MODBUS_ENERGY: Variables remain without value / status under specific circumstances

  Summary Under specific circumstances, the MODBUS_ENERGY driver configured to bundle connections has connections for which variables remain without value and without status, due to connectivity issues for another connection using the same IP address. ...