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Modbus and Bluetooth data sending to Node-RED (view source)
Revision as of 13:54, 16 January 2023
, 13:54, 16 January 2023→Modbus Data to Server via MQTT protocol
[[File:Data sender settings to node red with node red broker.png|border|1000px|class=tlt-border]]
[[File:Data sender settings to node red with node red broker.png|border|1000px|class=tlt-border]]
===Node-RED setup===
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Node-RED setup to get Modbus data is simple, we are going to need one '''MQTT Subscriber''' node, one '''MQTT broker''' node so we could use broker on Node-RED and we will use '''debug''' node to read MQTT messages. Here is how the flowchart should look like:
[[File:Local flowchart data sender.png|border|400px|class=tlt-border]]
Adjust MQTT Subscriber node settings accordingly:
* '''Server''': Local (from previous example)
* '''Action''': Subscribe to single topic
* '''Topic''': rutx
* Leave everything else as default
[[File:Server local subscriber node red.png|border|500px|class=tlt-border]]
Deploy the nodes and look for incoming data in the debug window - based on '''Period''' time in Data to server settings. Here is incoming message with router name:
[[File:Incoming data from router nodered.png|border|400px|class=tlt-border]]
If you would like to use MQTT broker on the Teltonika device, change '''Server: Local''' to Server:
