Constant temperature and humidity control cabinet

Description:

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Constant temperature and humidity control cabinet widely used in workshop, exhibition, archives, laboratory, network station.

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Our control system for constant temperature and humidity can save much energy,reduced the working time of compressor, extend the working time of facilities. PLC is the key unit in our system,it has good stable, Strong anti-interference ability.The system fixed warm humidity transmitter as digital transmission distance, free of electrostatic interference. Control precision.

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System hardware structure:

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The core of system is Siemens PLC, touch screen as human-computer interface. the temperature and humility transfer by sensor, It is processed into digital chip, via RS485 to PLC, and data processing, and controlled via PID. Keep constant temperature and humility controlling compressor, humidificatin valve,fan valve.

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The procedure of control for constant temperature and humid:

There are 5 method from PLC controlling.