In the alarm threshold , Execution property you have the Deley option
You can enter a numeric value comprised between 0 and 65535 in this edit box. The value entered, expressed in seconds, will establish the alarm’s intervention delay time, thus creating a filter in the threshold.
The default value is zero (no delay).
But this is a fix parameter.
I think in your case you could create your own logic and “play” with the alarm property “Enable Alarm Variable”
Enable Alarm Variable
This box is used for selecting a variable which consents the alarm intervention. When the selected variable has a value other than zero (><0), when conditions subsist, the alarm will be notified regularly. When the variable has a 0 value, even though there maybe alarm conditions present, this will not be activated.
When this box is not selected, the alarm will always be enabled if the ‘Enable’ property is set at ‘True’ value.
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