Update Node-Red on Windows
Call up a command prompt. Start CMD on windows. Type node-red at the prompt to start the software.
You will see the current version under the "Welcome to Node-Red" heading. This version is v2.1.0.
Ctrl + C will stop the running of Node-Red.
Type "npm install -g --unsafe-perm node-red". This will start the update or installation of Node-Red.
Once the software has been updated, type node-red again at the prompt. This will start our software.
Our new version v2.2.0 will now be displayed.
Our Node-RED Series can be viewed here:
https://accautomation.ca/series/node-red-iot-enabling-software/
This will take you through installing, communicating to the PLC, HMI (dashboards), saving to a SQL database, and analyzing the data with spreadsheets.
There are several reasons why we are using Node-RED. Here are just a few.
- Built on top of the most dependable programming language JavaScript.
- JavaScript is flexible and easy to work with on web browsers, server-side, IoT, IIoT projects, and more.
- Visual flow type interface making programming easy.
- Node will allow JavaScript code to run directly on a computer.
- Node-RED is a free, open-source logic engine.
- Connect to PLC, PAC, Temperature Controllers, Process Controllers using standard protocols.
- Save and read from databases
