Shandong Linyi LHF-E16FL2 proximity switch is suitable for outdoor use. Working principle: The proximity switch consists of three main parts: oscillator, switch circuit, and amplifier output circuit. The oscillator generates an alternating magnetic field. When the metal target approaches this magnetic field and reaches the sensing distance, eddy currents are generated within the metal target, leading to oscillation attenuation and even stopping. The oscillation and stop changes of the oscillator are processed by the subsequent amplification circuit and converted into switch signals, triggering the driving device to achieve non-contact detection. The closer the target is to the sensor, the greater the damping inside the coil; The greater the resistance, the smaller the current of the sensor oscillator. The current loss of the inductive proximity switch decreases as the distance from the metal target decreases. The wiring method for proximity switches is to connect three wires: the red one is the positive pole of the power supply, the blue one is the negative pole of the power supply, and the black one is the load (signal output). Please refer to the wiring diagram on the product< The wiring method for two wires (C or AC): The brown wire is connected to the negative pole of the load, the positive pole of the load is then connected to the positive pole of the power supply, and the blue wire is directly connected to the negative pole of the power supply. The three wires of the DC three wire proximity switch are: brown wire - positive pole of the power supply; Blue wire - negative pole of power supply; Black wire - Output signal
AC two wire switch: Connect the load and proximity switch in series to the AC power supply terminal. Proximity switch feature 1: Due to its non-contact detection, it will not wear or damage the tested object. 2. Due to the use of contactless output, the lifespan is extended (except for magnetic type). Semiconductor output is used, and the lifespan of the docking point is not affected. 3. Unlike light detection methods, when used in environments such as water and oil, it is almost unaffected by the stains, oil, water, etc. of the test object. In addition, it also includes products with good Teflon shell and drug resistance. 4. Compared with contact switches, it can achieve fast response. 5. It can correspond to a wide temperature range. 6. It is not affected by the color of the tested object and can detect changes in the physical properties of the tested object, so it is almost unaffected by surface color and other factors. 7. Unlike contact type, it is affected by the surrounding temperature, objects, and sensors of the same type, including induction type and electrostatic capacity type, and the sensors interact with each other. Therefore, for the setting of sensors, mutual interference needs to be considered. In addition, in induction type, the influence of surrounding metals needs to be considered, while in electrostatic capacity type, the influence of surrounding objects needs to be considered. Shandong Linyi LHF-E16FL2 Proximity Switch Suitable for Outdoor Use Shandong Zhuoxin Machinery Co., Ltd. Belt Conveyor Spare Parts Bidirectional Rope Switch F4631S-0805-03
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