Vaisala Hydromet Data Collection Platform - Manual (Page 129)

Chapter 4 ____________________________________________ Basic Use of Lizard Setup Software
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Alarm Types
You can create several types of alarms. These include print report
alarms, save log group alarms, set excitation output alarms, set digital
output alarms, and generic alarms. All alarms are created in the same
way. They are also configured approximately in the same manner. The
only difference between the alarms is the way they function. Most of the
available alarm types are presented in the following sections.
Print Report Alarms
When you create a print report alarm, the setup sends out a report when
predetermined conditions are met. You can, for example, set an alarm
for the battery condition in such a way that you are notified with a report
when the energy level of the battery goes below the predetermined
level.
Save Log Group Alarms
When you create a save log group alarm, instead of sending out a report,
the setup saves the desired log group when the predetermined
conditions are met. With this type of alarm you can, for example, log
data only when certain conditions exist, for example, when it is raining.
Set Excitation Output Alarms
With this alarm type you can control the QML logger excitation outputs
of channels 0 to 7, and A and B.
Note that before you can use this alarm, you need to add an excitation
output control to your setup. Proceed as follows:
1. Add the excitation control. In the Equipment view, select the
control from the Available list.
2. Connect it to the desired free excitation channel. Note that only
channels 0 to 3, and A and B produce suitable output signal for
controlling devices such as relays.
3. You can now connect the excitation alarm to the output control.
When the configured alarm condition is met, the excitation pin will
be set to a high state and remain high until the condition clears.