Node-RED - The wiring editor
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9.6
MQTT input node
The MQTT input node allows you to receive data from an MQTT broker via
the MQTT protocol using the MQTT function
subscribe
.
Figure 67: MQTT input node
Parameters of the MQTT input node
This section describes the parameters of the MQTT input node.
Figure 68: Dialog box Edit MQTT in node
Parameter Type
Description
Server
Selection list
The selection list
Server
shows the MQTT broker to be used.
If MQTT brokers are already defined, they will be listed here.
The selection list Server always contains a further entry
Add
new mqtt-broker
to add a new MQTT broker if no MQTT
broker has been defined yet or if already existing brokers are
not to be used.
Topic
Input field
In the input field
Topic
you can enter the topic for the MQTT
communication. If no name has been entered, but an input
has been made under Topic, this input will be used as node
name in the Node-RED workspace.
Topic # causes all topics of the broker to be received.
Name
Input field
Here you enter the name of the
MQTT input node
that is
displayed at the node in Node-RED and used for
identification.
Table 39: Parameter MQTT input node
Edge Gateway | NIOT-E-TIB100-GB-RE (Remote)
DOC170501UM04EN | Revision 4 | English | 2018-08 | Released | Public
© Hilscher 2017 – 2018