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*Flespi.io account to act as an MQTT Broker/Publisher/Subscriber (for first configuration example);
*Flespi.io account to act as an MQTT Broker/Publisher/Subscriber (for first configuration example);
[[File:MQTT Serial gateway topology.png|border|center|class=tlt-border|847x279px]]
[[File:MQTT Serial gateway topology.png|border|center|class=tlt-border|847x279px]]
===Configuring RUT955 MQTT Gateway===
RUT2 will act as a Modbus RTU slave and RUT1 as a Modbus RTU Master. On RUT1, MQTT Serial Gateway will be configured to transfer Modbus data over MQTT. Flespi.io platform will serve as an MQTT Broker
==RUT2 configuration==
===Configuring Modbus RTU Slave===
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Go to Services → Modbus → Modbus RTU Slave and create a new instance.
* Enter the '''desired instance name''';
* Select the '''desired serial interface'''.
[[File:Modbus RTU Slave.png|border|center|class=tlt-border|855 × 308px]]
==RUT1 configuration==
===Configuring MQTT Gateway===
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Go to '''Services → Modbus → MQTT Gateway''' and there:
Go to '''Services → Modbus → MQTT Gateway''' and there:
'''Note''': ''Everything else can be left as default or changed according to your needs.''
'''Note''': ''Everything else can be left as default or changed according to your needs.''
===Configuring RUT955 Serial Gateway===
===Configuring Serial Gateway===
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Under the MQTT Gateway configuration, create the Serial Gateway:
Under the MQTT Gateway configuration, create the Serial Gateway:
Modbus parameters are held within registers. The register numbers and corresponding system values can be found [[RUT955_Monitoring_via_Modbus#Get_Parameters|'''in this article''']].
Modbus parameters are held within registers. The register numbers and corresponding system values can be found [[RUT955_Monitoring_via_Modbus#Get_Parameters|'''in this article''']].
==Testing MQTT Publisher and Subscriber on flespi.io==
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====Adding Flespi Subscriber====
====Adding Flespi Subscriber====
==See Also==
==See Also==
*[[RUT955 Monitoring via Modbus#Get Parameters]]
*[[RUT955 Monitoring via Modbus#Get Parameters]]
*[[RUT955_Modbus#MQTT_Gateway|MQTT Gateway]]
*[[RUT955_Modbus#MQTT_Gateway|MQTT Gateway and Modbus]]
==External links==
==External links==
[https://flespi.io/#/ Flespi.io]
[https://flespi.io/#/ Flespi.io]
