Divus OPTIMA KNX MQTT Module Handmatig - Pagina 9

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3

MQTT Client

3.1

FOREWORD

KNX SERVER allows the connection to more than one MQTT broker at the same time; it is advisable to keep the
number of such connections as low as possible in order not to overload the system resources.
One or more objects can be assigned to each MQTT connection:
•
when a value is received via MQTT, it is passed as a command to the object
•
Conversely, if the state of the object changes, its value is sent to the broker via MQTT.
Two topics can be assigned to each of the objects connected to the link, i.e. the communication channels through
which the KNX SERVER exchanges information with the broker; more information about MQTT topics can be found
in the specifications of this protocol and in the documentation widely available on the Internet.
The report topic is used by KNX SERVER to send the status of objects when it changes
:
OPTIMA MQTT Module Manual .
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