Promixity switch also called proximity sensors, can be devided into inductive type , capacitive type , simulative type , Hall type , magnetic type . Sensor can support using of Plsc PROGRAMMABLE CONTROLLER , SCM ,sr circuit ,electronic counters , solid state relay , small relays , etc products with magnetic use . The transmitter aims at the target and generates light beam , and ther receptor turns the light energy received into current and transmits it to the detection circuit backwards . It can filter our and effective signal and use it .
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