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Keepalive (s) MQTT2_KeepAlive If no exchange made with the MQTT
server for the time dened in seconds,
the concentrator sends a ping to the
MQTT server in order to verify the
connection to it.
If the value is “0”, KeepAlive is disabled.
If the hub is in persistent connection
mode with the MQTT server and a
disconnection is detected after a
KeepAlive, the hub will automatically
reconnect to the MQTT server.
Data qos MQTT2_QoS Guaranteed service number for sending
messages (Quality Of Service). The
possible values are:
•0: The message will be delivered at
most once, i.e. with no guarantee of
reception.
•1: The message will be delivered at
least once, i.e. the concentrator will
transmit several times if necessary until
the broker conrms that it has been
transmitted.
•2: Not managed by Azure IoT Hub
MQTTS Server
Enable invoke
method
MQTT2_EnableInvokeMethod Enable method calling. Allows the use
of dedicated topics. The possible values
are:
•Unchecked: Disables method calls
•Checked: Activated method call. The
concentrator remains in permanent
connection mode with the MQTTS server.
Publish alarms MQTT2_EnableAlarmPost Activate the publication of alarms on the
dedicated topic. The possible values are:
•Unchecked: Disables the publication of
alarms
•Checked: Activates the publication of
alarms. The concentrator remains in
permanent connection mode with the
MQTTS server.
Azure IoT Hub MQTTS is only available on server 2 (backup).