Specify the Primary Host Application ID

The Form of a Sparkplug Publisher Broker includes a Sparkplug Broker tab. Use this field on the tab to configure the Primary Host Application ID:

• Primary Host Application ID—Enter the Sparkplug Host ID of the primary Sparkplug host application (or Sparkplug client) that is connected to the MQTT broker. This application should be connected to the same MQTT broker to which the Sparkplug publisher is connected. The Sparkplug publisher exports its data to the host application via the broker only when that host application is connected to the broker.

  If the primary host application is the Geo SCADA Expert system, ensure that this field matches the Sparkplug Host ID that is configured in the broker properties of the host application.