I am having issue with OPC-UA which read hte OPC server connected to PLC. When OPC server is off. The Node-red flow crashes after some time. Is there any wayt o stop in crashing and closing down hte node-red. Seems like it has setting to go for certain number of tries to make a connection. Any idea
The node should catch exceptions and behave nicely.
You need to open an issue on the github page for the node ( follow a link from the nodes page on flows.nodered.org) to flag the issue to the nodes author.
Looks to be a somewhat known issue: https://github.com/mikakaraila/node-red-contrib-opcua/issues/89#issuecomment-488303522
However, based on those issues on github the node in itself could do with more configuration rather than having to update hardcoded values in the node’s source file 
Probably wouldn’t be bad if you post there though to mention you’re seeing the exact same thing.
