Create a new Boolean Tag with the tag name EscalateAlarm.
Enable the Digital Alarm limit in this new Tag with a Time Delay of ? Seconds.
Under the Tags tab of an existing or new Alarm Notification group the property “Set Tag When Alarm Active and Not Acknowledged” to a Boolean Tag with the Data Source of Value.
EscalateAlarm.AlarmStatusDigital can then be used to enable a second Alarm Notification monitoring the same alarms of the first Alarm Notification group with the Activate with Tag property in the second Alarm Notification Group.
Note: Under Configure-Options-Alarms uncheck “Update Alarm Status Immediately Without Alarm Time Delay”.
This will then enable the second alarm notification group when the alarms monitored in the first group.