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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 of 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.
QoS Selection list You can set the selection list QoS (Quality of Service) to
one of the three values 0, 1, and 2. The meaning of these
values is as follows:
0 = At most once (no acknowledge by the receiver)
1 = At least once (the sender stores the message until it
receives an acknowledge from the receiver)
2 = Exactly once (Sender and receiver acknowledge the
message using additional acknowledge messages)
Retain Selection list Here you can set whether the connection is to be
maintained after use:
TRUE: The connection is to be maintained.
FALSE: The connection will be terminated.
Name Input field Here you enter the name of the MQTT output node that is
displayed at the node in Node-RED and used for
identification.
Table 40: Parameters of the Edit MQTT out node
If you select Add new mqtt-broker in the list Server and click Edit
thereafter, the dialog box Add new mqtt-broker config node will be
displayed. In this dialog box you can configure the parameters for a
connection to an MQTT broker.
The parameters of tabs Connection , Security , Birth Message , and Will
Message of the MQTT output and input node are identical and described in
section MQTT input node [
}
page 97].
Edge Gateway | NIOT-E-TPI51-EN-RE (Connect)
DOC170502UM04EN | Revision 4 | English | 2018-08 | Released | Public © Hilscher 2017 – 2018