This object links to a Broker Connection to publish all data collected by Edge ACM in a plaint text MQTT format
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General
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Name
A unique identifier for this object
Enabled
The current Enabled status of this publisher; nothing will be published if it is not enabled
Folder
The parent folder of this object
MQTT
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Node ID
The unique identifier used by this publisher when publishing data
Publish QoS
The Quality of Service for published messages
0 - At most once (least bandwidth, least reliable)
1 - At least once (middle bandwidth, middle reliability)
2 - Once and only once (most bandwidth, most reliable)
Subscribe QoS
The requested Quality of Survice Service for subscribed messages (typically tag value writes from remote clients)
0 - At most once (least bandwidth, least reliable)
1 - At least once (middle bandwidth, middle reliability)
2 - Once and only once (most bandwidth, most reliable)
Broker Connection
The Broker Connection object used by this Sparkplug B Publisher object
Advanced MQTT
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Delay Between Publishes (ms)
The time in milliseconds between published messages
Info
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Information on the installed version of this object
MQTT topic examples
For the following example, eACM is collecting data from a device named “Device1”, with the tag “Tag1”.
AUTOSOL MQTT’s Standard publisher has a NodeID of “LocalNode” (set on the MQTT tab).
What topics shoudl appear in the broker?
When AUTOSOL MQTT starts up, tag data will appear with the topic:
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LocalNode/Device1/Tag1 |
It has a timestamp reflecting time of publication and the payload is the value of the tag.
When AUTOSOL MQTT stops, or when communication with the end device is lost, a death message will indicate that the node is offline with the topic:
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