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Transmission is an MQTT module for Ignition that can convert Ignition Tag data and tag change events into MQTT messages to be consumed by MQTT Engine or other MQTT clients.  This basic tutorial will show how to configure MQTT Transmission to send OPC Tag data in Ignition as MQTT messages via MQTT Distributor to MQTT Engine where they will be displayed.

The topology of this example shows MQTT Distributor, MQTT Engine, and MQTT Transmission all running in the same Ignition instance.  This is done for simplicity of the tutorial.  But, this isn't required or even intended to be a real use case.  In a more realistic scenario the three components MQTT Transmission and MQTT Engine would be located on separate machines.

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