node-red-opcua-browse-subscribe

A simple node that allows you to browse all child nodes under the topic you enter and subscribe the checked ones.

Install

Run the following command in your Node-RED user directory - typically ~/.node-red

npm install @cbsanal/node-red-opcua-browse-subscribe

Dependencies

This node depends on following libraries:

• node-opcua
• node-opcua-client
• node-opcua-client-crawler

Usage

• Click add new endpoint instance.
• Fill necessary areas for connecting your PLC.
• Enter the topic you want to search (default is ns=0;i=85).
• After pressing deploy, it will show all nodes under the topic you entered.
• Check the items you want to subscribe and press deploy.
• Output value will be like this:

{
    payload: checked item value,
    name: checked item name,
    nodeId: checked item nodeId
}

New Features

• Pagination will be added, right now max 100 items can be rendered in table.
• Filtering system will be added (e.g show only float type nodes).
• Security policy and Security mode options will be added.
• I'm open to any pull request or issue report.