node-red-contrib-modbus

Node-RED contribution package for Modbus

Based on modbus-serial with TCP, C701, Telnet, Serial, RTU buffered, and ASCII

• stress tested with Node-RED v0.16.2 and Node.js (4.7/6.9 LTS)
• works with queueing per unit and round robin scheduling

Install

Run the following command in the root directory of your Node-RED install

npm install node-red-contrib-modbus

Run the following command for global install

npm install -g node-red-contrib-modbus

try these options on npm install to build, if you have problems to install

--unsafe-perm --build-from-source

Update/Upgrade

To update the dependencies or the whole package, you have just to install again. To get a special version please set the version with @M.M.F:

npm install node-red-contrib-modbus@1.0.16

or

npm install -g node-red-contrib-modbus@1.0.16

How to use

see Wiki pages

use the Flow example to see how it works ...

see YouTube Playlist

Debug

Debug will be activated by starting Node-RED with debug mode:

DEBUG=node_red_contrib_modbus node-red -v

see Wiki pages to get more options in detail

Authors

since April 2016 by Klaus Landsdorf

History

• contribution in 2016 by iurly

• license changed in 2016 by Jason D. Harper

• started in early 2015 by Mika Karaila