The figure shows an automatic gate detection control circuit which is mainly composed of a Doppler effect sensor ICl (RD627A), the voltage comparator and the like of a light emitting diode, RD627A equipped with an oscillator, transmit circuitry, Doppler Circuits such as amplifiers and detector limiters. It is located in the warehouse for anti-theft detection. When working, the microwave signal is emitted by the antenna and then reflected back through the door. If the door has a start action, it will detect the changed transmit signal, and the 7 pin outputs the detected voltage signal. The signal is output high through the LM393 to illuminate the LED.
This Automation curtain is specially designed for automation industry. SDKELI LSC2 light curtain is designed for automation field, with small size, compact structure and strong anti-interference ability, and the product meets IEC 61496-2 standards. The automatic light curtain is with reliable quality and very competitive price. It has been used in many factories and has replaced curtains from Sick, Omron, Banner, Keyence, etc.
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