Basic Information
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To create an Alarm we need a Condition and an Action to appear when the Condition is fulfilled. And maybe an Action on Vanishing. condition that triggers the alarm and one or two actions to be executed when the condition is fulfilled or no longer fulfilled, respectively. In this tutorial the condition is Temperature a temperature threshold of > 50 °C. The value of Temperatur the temperature is the a predefined Virtual Itemvirtual item.
There are two actions, Action on appear will be called when condition state changes from False to True. And Action on vanish will be called when condition state changes from True to Fale. Both of those actions going to change the Value of the Alarm Indicator.
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Alarm Acknowledge can be done by pressing the ✔ in Actions column.
Also the Action on appear will take a place and change the value of the Alarm indicator to True in Core Server.
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