Opc ua client - opc ua server

Hello everyone, I'm trying to create a project on Node Red that reads OPC data from a client and exposes it to an OPC server so it can be read by a SCADA.
My SCADA reads OPC UA but doesn't see the variables because they're not in a folder. Therefore, I want to use Node Red to read the data from the machine and expose it in a folder so it can be read by the SCADA. This is my first time using Node Red and I can't seem to get it to work. Can anyone help me?

Hi, welcome to the forum.

There are a few OPC UA nodes in the catalog so you will need to be explicit if you want specific help.

First recommendation - watch the videos (see canned responses below). Tons of clues and cues that will definitely help in your learning.

Then, check the import (CTRL-I) → examples - the node package you installed may shp with built-in examples for you to build from!


I recommend watching this playlist: Node-RED Essentials. The videos are done by the developers of node-red. They're nice & short and to the point. You will understand a whole lot more in about 1 hour. A small investment for a lot of gain.

Does your SCADA support MQTT?