ALTA Gateways—How Trigger on Aware Works

The configuration that allows Monnit ALTA Gateways to immediately transmit sensor readings to iMonnit is the Trigger on Aware setting. If this is enabled, the gateway triggers a Heartbeat as soon as it receives a reading from a sensor that is in its Aware State. This function is what allows you to be alerted of a condition when the condition occurs, rather than waiting for the scheduled sensor/gateway Heartbeats.

If this setting is turned off, your sensor may still report an Aware State reading to your gateway immediately, but the gateway will wait to deliver the reading to iMonnit until its scheduled Heartbeat. If your gateway is configured with an infrequent Heartbeat (like a cellular gateway with a 60-minute Heartbeat), you may potentially be waiting a significant amount of time until the reading is present in iMonnit. If the setting is turned on, a gateway Heartbeat will be triggered by the reading when it is received by the gateway. It will be seen in iMonnit when the reading occurs.

Enabled by Default

Trigger on Aware is typically enabled by default, but if it is not, you can enable it with the steps below.

  • Log into iMonnit.
  • Select Gateways.
  • Select the gateway you wish to configure.
  • Select the Settings tab.
  • Under the General sub-tab, set On Aware Messages to Trigger Heartbeat.
  • Click Save.

    Ethernet Gateway Trigger on Aware

The configuration will be applied on the subsequent gateway Heartbeat.

When You May Want It Off

There may be scenarios when you want Trigger Heartbeat turned off. Turn this setting off if you only want data on a scheduled Heartbeat. Also, if you want to minimize using cellular data, turn it off by toggling the setting to Wait for Heartbeat. Then, your gateway will not initiate a Heartbeat when it receives Aware messages from your sensors.

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