MQTT Source System

MQTT is a message protocol for machine-to-machine communication (M2M) and IoT. You can use the MQTT source system to set up a connection to an MQTT broker (MQTT server). The MQTT broker provides PCo with data in the form of MQTT messages. As a rule, in the context of MQTT, this is sensor data.

The MQTT source system takes on the role of subscriber. In order to be able to receive any type of message, the PCo client needs to connect with the MQTT broker and let it know for which topics it would like to receive a message. A topic is a string that has a URL-like structure and represents a type of subject of the message. This operation is called a subscription.

Communication between PCo and the MQTT server is possible using the following connections:

  • TCP/IP

  • TLS

  • WebSocket

  • Secure WebSocket connection

The following tabs are available for configuring the MQTT source system: