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Chapter 4: Advanced Operations 53
Chapter 4: Advanced Operations
Setting Thresholds
The Thresholds feature enables you to set thresholds for analog and digital
inputs and to configure the frequency that Email, Combination, FTP, Output
and Report to File actions are processed against the threshold. The EVR1500
environmental monitor appliance handles up to 25 thresholds.
The threshold information shown in Figure 4.1 is used to monitor a
temperature probe connected to an analog input. The threshold will monitor
the selected analog input (Analog_in01) every 60 seconds. If the value of
Analog_in01 meets or exceeds 85 degrees F, the selected Combination action
(Combo_Action1) will execute. The Combination action will execute one time
and then wait for the release value to reset. Once it is reset, the action will
execute again if 85 degrees F is exceeded. A threshold action is reset when the
temperature sensor first reports an input voltage that is less than the release
value of 75 degrees F. Once the temperature has dropped below 75 degrees F,
the action is reset.
Figure 4.1: Thresholds Window