zenon 14: OPC driver crashes when reading PLC variables in background

• Related Articles

• 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 ...

• OPCUA driver crashes when reading variables in background

  Summary The OPC UA driver is terminated unexpectedly. This error has been fixed. Description The OPC UA driver is terminated unexpectedly when reading the PLC variables in the Engineering Studio via the command “Read PLC variables in background”. The ...

• Service Engine: S7TIA Driver - crashes on reconnect PLC

  Description The Service Engine has a connection to a S7TIA PLC. If the Service Engine loses the connection and the variables get the status "invalid", the S7TIA Driver is terminated unexpectedly after reconnecting. This error has been fixed. To ...

• Memory usage for KUKA32 driver increases when reading variables which does not exist in PLC

  Summary When you define zenon variables which does not exist in the PLC program and use them in screen the driver allocates more and more memory in the runtime. This memory is never released. Description When you define zenon variables which does not ...

• BACnetNG: Driver does not finish reading trendlog object before starting to read another trendlog with maxconcurrentrequest=1

  Description The BACnetNG driver did not finish reading the reading the first trendlog file when the setting for the maximum concurrent requests is set to 1. With specific configurations this can lead to multiple trendlog files being read by the ...