Siemens SIMATIC FDE Gateway V1.1 Equipment Manual page 47

• User name: User name that was specified in the broker
• Password: Password that was specified in the broker
For optional authentication of the client, you can use user name and password and/or
certificates.
You can set Fanout mode and the publishing interval to suit your requirements.
Fanout mode
Yes, as required, set the Fanout mode and publishing interval under "Extended MQTT publish
settings".
Select one of the three options:
Fanout mode: Setting of the topic subdivision in the MQTT payload Choose one of the three
options from the drop-down menu:
• One message to the Publish topic
Active apps send current values in a single message via the Publish topic.
• One message per interface to the subtopic
Active apps send current values in different topics. These are subordinate to the publish
topic.
• One message per parameter to subtopic
Active apps send current values in different topics. The parameters of the apps are also
divided into different topics. These are subordinated to the publish topic.
Detailed parameter "Off": Sets whether the data type is also displayed for each parameter.
Publish interval: Setting for the time period in which the MQTT payloads are published via
the public topics on the MQTT broker. With a value of 0, the data is sent as fast as possible
and the interval is about 1 second. All other times are adjustable, e.g. 5 s, 10 s, etc.
You can find more examples of payloads with parameters in the section "MQTT payload
examples (Page 57)".
SIMATIC FDE Gateway V1.1
Equipment Manual, 12/2023, A5E52683268-AE
Software and commissioning
6.4 Connectivity settings
47