Resolve problems with Node-RED and OPC-UA connection - PLCnext Community From time to time, the OPC UA module in Node-RED doesn’t always want to connect to our OPC UA server after installation. The reason is that the installation doesn’t always create the necessary self-signed certificates which are needed. This blog will show you how to create those certificates on the controller and how to get your OPC […] when i created the certificate then where can i find the folder containing the certificate to copy it to opca ua?
ok i got it