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The meanings of the options on the interface are as follows:
Item
Description
General
Broker
Address
MQTT broker address to receive data.
Broker Port
MQTT broker port to receive data.
Client ID
Client ID is the unique identity of the client to the server.
It must be unique when all clients are connected to the same server,
and it is the key to handle message at QoS 1 and 2.
Connection
Timeout/s
If the client does not get a response after the connection timeout, the
connection will be considered as broken.
Range: 1-65535
Default: 30
Keep Alive
Interval/s
After the client is connected with the server, the client will send
heartbeat packet to the server regularly to keep alive.
Range: 1-65535
Default: 60
User
Credentials
Enable
Enable user credentials.
Username
The username used for connecting to MQTT broker.
Password
The password used for connecting to MQTT broker.
TLS
Enable
Enable the TLS encryption in MQTT communication.
Mode
Select from “Self signed certificates”, “CA signed server certificate”.
CA signed server certificate:verify with the certificate issued by
Certificate Authority (CA) that pre-loaded on device.
Self signed certificates: upload the custom CA certificates, client
certificates and secret key for verification.
Topic
Data Type
Data type sent to MQTT broker.
Topic
Topic name of the data type using for publish.
QoS
QoS 0 – Only Once
This is the fastest method and requires only 1 message. It is also the