Hi, I am experimenting with node-red OPC UA client and one of the functions is a method call. However, when I try to call the method with arguments set the result is a crash of the PLC runtime and it restarts. The method call works well with UaExpert so it is clear that it’s doing of node-red library. My concern is with crashing the whole runtime due to the OPC UA server. It is a major issue in my opinion. There shouldn’t be a possibility to crash the whole runtime only because some third-party app is poorly written. BR, Lukas
Hi Lukas, I would like to investigate this behaviour. If it’s OK with you, we can send you an email (to the address you used to register for this forum), so you can send us the Output.log file from the PLC that shows this behaviour.
The problem was caused by a bug in the OPC UA server in an earlier version of firmware. The problem was solved by upgrading to firmware version 2021.0.5 LTS. (this is also fixed in the latest feature release, version 2021.9).