W&T 57630, Manual

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151
W&T
Alarm
Subject to errors and modifications:
This is a way to implement for example keep-alive monitoring.
The timer works such that a timer that starts after activation
counts the minutes corresponding to the specified interval. The
resulting alarm time cannot be synchronized with a fixed clock
time. It is therefore not possible for example to issue an alarm
each full hour.
If another alarm condition is met before the interval has
expired, this will also trigger an alarm and the timer starts
counting all over again.
Alarm at cold start
Activating cold start causes the Web-IO to trigger an alarm after
a Hardware or Power-ON Reset.
Alarm at warm start
Activating warm start causes the Web-IO to send an alarm after
a software reset, e.g., Connect to TCP Port 8888..
After the alarm conditions have been specified, you can select
which path to use for issuing the alarm.
5.11.2 E-Mail-Alarm - SMTP
To send an alarm via e-mail you must also activate Mail Enable (in
addition to the alarm conditions) under Config >> Device >> Alarm
>> Alarm1 .