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Modbus and Bluetooth data sending to Node-RED (view source)
Revision as of 14:07, 20 February 2023
, 14:07, 20 February 2023no edit summary
To test the configuration, '''deploy''' the nodes again and send the message by clicking on the '''inject''' node.
To test the configuration, '''deploy''' the nodes again and send the message by clicking on the '''inject''' node.
==MQTT gateway using MQTT explorer and Node-RED broker==
In this example, we are going to use the same Node-RED broker configured in previous parts of this article, only this time we are going to use [http://mqtt-explorer.com/ MQTT Explorer] app to Publish and Subscribe to Modbus data.
Here's connection topology for this use case:
[[File:Nodered configurationexample topo6.png|border|800px|class=tlt-border]]
===Device setup===
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Navigate to '''Services -> Modbus -> MQTT Gateway'''. Follow these steps for the configuration:
# '''Enable''': on
# '''Host''': input '''192.168.10.139''', or if you would like to use local broker on the device - input '''127.0.0.1'''
Leave everything else as default, or adjust according to your needs
[[File:MQTT gateway settings node red local router.png|border|500px|class=tlt-border]]
===MQTT explorer setup and testing===
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Open MQTT Explorer application and in the default screen input the '''Host IP (1)''' of MQTT Broker, then press '''Connect (2)'''.
[[File:Mqtt explorer server connection to broker example.png|border|600px|class=tlt-border]]
Once done, locate Publish section on the right side. You can use the same settings as in previous sections of MQTT Gateway:
# '''Topic:''' request
# '''Data:''' 0 65432 0 192.168.10.1 502 5 1 3 6 2
[[File:Publish from mqtt explorer node red example.png|border|500px|class=tlt-border]]
If everything is set up correctly, then you should be able to see response from the router:
[[File:Mqtt explorer response from router.png|border|400px|class=tlt-border]]
==Modbus Data to Server via MQTT protocol==
==Modbus Data to Server via MQTT protocol==
[[File:Nodered configurationexample httpData incoming v1.png|border|400px|class=tlt-border]]
[[File:Nodered configurationexample httpData incoming v1.png|border|400px|class=tlt-border]]
==Summary==
==Summary==
