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Greenhouse Air Circulator Control(3)

Case Number 349

last update: October 7, 2010

Operation of fans with analog comparators when a specific temperature is exceeded.

The ZEN can be used to start the circulation fans once the temperature inside the greenhouse exceeds a set level. The fans start up at different times to keep the startup current down.


You acquire the data from temperature sensors with the analog input of a Programmable Relay ZEN.

Benefit / Efficiency

It is possible to easily control analog values with a ZEN alone.

Use Products

ZEN V2 Programmable Relay ZEN V2

Even Broader Applications with Increased Functionality and Higher Precision