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Example Program for
ALPHA Series
5.
Humidity Control in Greenhouse | |
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In this example a
humidifier is operated to increase the humidity in a greenhouse when it
falls below the specified percentage. A humidity sensor and the ALPHA
series' analog input (0 to 10 V), Offset Gain, and Schmitt Trigger are
used to control the humidifier. Contents of Control:
How to convert output of humidity
sensor (1 to 5 V) into humidity percentage (%)
In this example 0 to
100 % have to be converted into 1 to 5 V. Set the following linear
function calculation in the function block Offset Gain to convert the
input voltage into an analog value. Installing and Wiring:
Program:
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