Missing datapoint alarm

This alarm fires when a data point is not reported within the specified time.

From the Alarm Type drop-down in the Add Alarm dialog, select the Missing DataPoint option for these fields to appear in the dialog.

Field Description
Fires when the time interval between datapoint uploads to the server exceeds <time> or when the time interval between reported datapoints exceeds <time>

Enter the time threshold intervals to determine when an alarm should fire:

  • Time interval between datapoint uploads to the server exceeds the specified time limit. The default is 1 hour.
  • Time interval between reported datapoints from the device exceeds the specified time limit. The default is 10 minutes.
Resets when data is reported

Specify whether the alarm should automatically reset when the data is uploaded to the server. Options are:

  • Selected: The alarm is automatically reset. This is the default.
  • Deselected: The alarm is not automatically reset. You must manually reset the alarm each time it fires. See Reset an alarm.
Scope

In the DataPoint field, you must also specify a data stream path you want to scope to. A resource scope can include an asterisk (*) to match to any element in the path. For example, "dia/channel/*/lth/temp" matches the lth temperature reading for any device.

 

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Missing datapoint alarm updated on 15 Aug 2018 12:00 PM