node-red-contrib-modbus
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A Node-RED node to communicate MODBUS TCP. Uses node jsmodbus library.
A Node-RED node to communicate MODBUS TCP.
Run command on Node-RED installation directory
npm install node-red-contrib-modbus
Install first node-jsmodbus. NOTE: Modified files included here, but still some problems with function codes 15 and 16. Tested with python modbus server (more testing needed for error handling etc.).
Use Function node to define msg.fc (function code) and other needed parameters. Then connect it to modbus-client node that will connect to modbus server.
![node-red-modbus-flow] (example.png)
Example Node-RED flow, see MODBUS_TEST.json
[ TODO paste here ]
FAQs
The all in one Modbus TCP, UDP and Serial contribution long term supported package for Node-RED.
The npm package node-red-contrib-modbus receives a total of 3,073 weekly downloads. As such, node-red-contrib-modbus popularity was classified as popular.
We found that node-red-contrib-modbus demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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