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Probe Out of Range SMS Alarms in Absolute Mode
The Tube can send SMS (text) messages when alarms are triggered. SMS alarms are
enabled in the General Information, Parameters, and Functional Options section on the
Alarms tab.
Below is an example situation showing when SMS messages would be sent for the
"Reading from Probe Out of Range" alarm with the following settings.
In Absolute Mode, alarms and warnings occur when a measurement value is less than
the minimum threshold value or greater than the maximum threshold value.
The example shows three incidents labeled A, B, and C.
Incident A: No SMS alarm is sent. Only two consecutive measurements exceed the
alarm threshold, while the requirement set above is 3 consecutive measurements.
Incident B: An SMS alarm is sent on the third consecutive measurement exceeding the
alarm threshold (reading no. 6).
Incident C: An SMS alarm is sent on the third consecutive measurement exceeding the
alarm threshold (reading no. 8, 9, 10). A second SMS alarm is sent after the sixth
consecutive measurement (reading no. 11, 12, 13). While another three consecutive
measurements are above the alarm threshold (14, 15, 16), no SMS alarm is sent
because the maximum number of messages sent for the same incident is set at 2.
In this scenario, SMS alarms are disabled for the rest of the day after the 10th SMS
message is sent.
Probe Out of Range SMS Alarms in Incremental Mode
The Tube can send SMS (text) messages when alarms are triggered. SMS alarms are
enabled in the General Information, Parameters, and Functional Options section on the
