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• Topics: Name of information channels on the server for storing data and alarms.
From an MQTT/MQTTS server, the concentrator supports the following actions:
• Data repository,
• Filing of alarms,
• Order receipt,
• Update hub.
From an MQTT/MQTTS server, you cannot:
• Congure the hub,
• Create, add or modify a denition le,
• Create, add or modify a script,
• Add or replace a certicate,
• Drop the logs.
To perform these actions, you must congure the hub’s second server with an FTP/SFTP server.
Server tree:
An MQTT/MQTTS server has information channels called Topic. Personalization of topic names depending
on the type of server. You must enter the same topic name between the MQTT/MQTTS server and the
concentrator.
A topic name must be entered for the data so that the concentrator can deposit this data.
If you want to send the alarms to the MQTT/MQTTS server, you must in this case enter a topic name for
the alarms.
If you want to receive commands from the MQTT/MQTTS server, you must ll in a topic name for the
commands and another topic name for the command result.
Working:
The concentrator connects and deposits the data on the MQTT/MQTTS server at each planned schedule.
(See chapter 3.2.2.5.9: “Schedules”)
If an Alarm and/or Command topic name is entered, then the concentrator remains in permanent
connection with the MQTT/MQTTS server in order to carry out the action immediately.
Unlike the FTP/SFTP server, the data deposited on the MQTT/MQTTS server is formatted and takes
into account the coefcients A and B dened as well as the unit dened for each variable. (see chapter
3.1.2.2.2: “Content of the denition le”).
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