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TOPIC: MQTT Client Status

MQTT Client Status 2 years 5 months ago #11268

  • michael.schalck
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Hi.
I have tried to play a bit with the MQTT client in 5.9 but i having some difficulties in creating the connection to my external broker.When i have my MQTT Client in process 1 "PLC" then i can connect to my broker, but when i change it to Process 2 "IoComm" then i can get a connection established. But im not able to get any data flowing either in our out.
Des anyone have some updated guide how to setup the MQTT client?
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MQTT Client Status 2 years 5 months ago #11269

  • claes
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Hi Michael,

To build the plc with mqtt support, create a BuildOptions object under the NodeConfig object in the directory volume and check SystemModules/MqttIo. Then to troubleshoot look at the Status attribute of the MQTT_Client object. It should be CONNECTED or will state the error code from the connection call.

/Claes
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MQTT Client Status 2 years 5 months ago #11270

  • michael.schalck
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Hi Claes :)

Thanks for your reply.
I did managed to configure the MQTT now, but i had to install the libmosquitto-dev lib as well.
Else i got a compilation error.
Maybe this lib should be added to the Getting started guide?
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