node-red-opcua-x

node-red-opcua-x

What is

A package that handles OPC UA Client request like read, browse, write, ...

Versioning

The following package use the semantic versioning template

X.Y.Z

• X is the Major version, when the following number change, the package can be not compatible with the previous versions
• Y is the Minor version, when the following number change, the package is compatible with the previous version with the same Major version
• Z is the Patch version, when the following number change, has the same purpose of Minor but is used for no codes change (update pipeline, wiki, references, ...)

By now the package is only use the Minor because is in prerelease state. The first stable version will start from 1.0.0

Features

• Read
• Write
• Browse
• Check connection status
• Subscription
• Events
• Methods
• Connection security access
• Simple Server (sample server for testing)
• Advanced Server

Getting started

From node-red search for node-red-opcua-x

Run command on Node-RED installation directory.

npm i node-red-opcua-x

or run command for global installation.

npm i -g node-red-opcua-x

Getting started - Developing

Requirements

• Node-RED version: v4.0.9
• Node.js version: v20.18.0

OPC Server simulation

For testing I use the following OPC UA Server simulator

OPC Server Simulator - Integration Objects

Setup

Import Library

• From the cloned folder run npm i
• Open a new terminal inside the node-red source folder
• Execute the following command npm i <local folder node-red-opcua-x installation>
• Restart node-red
• You should be able to see the imported package

Setup

• Start the OPC UA Server Simulator and copy the Server Endpoints URLs url

  

• Select the opcua-client-state or just import the client-state.json sample

  

• Open the opcua-client-state node and setup the client with endpoint, name, username, ...

• Deploy the flow!