MQTT Client

Click MQTT Client, and you can add many connections to MQTT Broker.

Note that you need to create a connection first and select D2C telemetry messages to an MQTT broker.

To create an MQTT Client, following the steps below:

1. Click ADD CONNECTION.
2. Specify a Server (default port: 8883).
3. Select an MQTT Version.
4. Enter Client ID, Username, and Password.
5. (Optional) Enable persistent session.
6. Select a way of message QoS, and retain function on/off.
7. (Optional) Enable SSL/TLC.
8. (Optional) Enable will flag.
9. (Optional) Select a way of message QoS and retain function for Will flag.

Once an MQTT Broker has been created, you can thus make a new telemetry message, following the steps below:

1. Click + MESSAGE.
2. Specify an output topic.
3. Enter a time for the polling interval.
4. Setup a threshold by size or a certain interval.
5. Click NEXT.
6. Select tags from provides (e.g., Modbus Master).
7. (Optional) Enable custom payload by using the jq filter.
8. Click SUBMIT.

NOTE: The values shown in the Custom Payload Result are examples and not the real values.

Last updated on 2022-05-31 by Aeluin Chen (陳映攸)