Pub_Data Collection Mode

Description
This value indicates the method to transmit data to the MQTT broker. You can configure the data collection mode in
FactoryTalk Linx Gateway
 Configuration > MQTT > MQTT Client > MQTT Dataset > Dataset Properties
.
There are two data collection modes in MQTT:
  • On Data Change
    The MQTT clients publish data to the broker only when the data values change. For example, a temperature sensor would publish a new temperature to the broker only when the value changes.
  • Pulling
    The MQTT clients periodically publish data to the broker at a fixed interval, regardless of whether the data has changed. For example, a temperature sensor sends the value to the broker every 5 seconds.
Location
  • FactoryTalk Diagnostics Counter Monitor > System Diagnostics > localhost >
    FactoryTalk Linx Gateway
     MQTT Server > [Client ID] > [Dataset Name]
Value
  • Type: String
  • Source: This value is generated by the
    FactoryTalk Linx Gateway
     MQTT service.
  • Updates: This value updates when the configuration changes in the MQTT dataset.
  • Reset: This value resets when you reset the service or restart the computer.
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