70156-3958

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Optical sensors are a type of electronic, mechanical, or magnetic device that can detect the presence, absence, or change in a physical quantity. The most common type of optical sensor used in industrial applications is the photoelectric, which measures light intensity. The 70156-3958 optical photoelectric sensor is an industrial grade device used for a variety of sensing needs, including position detection, presence detection, and speed feedback. In this article, we will discuss the application field of the 70156-3958 sensor, as well as its underlying working principle.

The 70156-3958 sensor is specifically designed for applications such as factory automation, automotive, and machine vision. It can be used to detect the location and speed of an object or surface, as well as to sense presence and distance. The sensor is ideal for applications requiring precise detection over longer distances, such as exit switches in automotive assembly lines. In addition, it can be used in machines that require feeding and positioning accuracy, such as those in industrial robots.

At the core of the 70156-3958 is a highly sensitive infrared photoelectric effect that allows for a fast response time and reliable detection. This effect is based on the photoelectric effect, which involves the emission of electrons from a material when light is shined on it. In the case of the sensor, the emitted electrons are detected by a photosensitive device.

The sensor operates in two phases – the detecting phase and the transfer phase. In the detecting phase, the sensor\'s photodetector is illuminated by an infrared LED. As the object to be sensed enters the field of the LED\'s light, the object is detected by the photodetector. The photodetector then converts the detected light intensity to an electrical or optical signal, which is then received by a signal conditioning circuit. The signal is then processed and converted to an output voltage, which is then used to trigger a transfer phase.

In the transfer phase, the signal is processed by a logic circuit which determines whether the object detected is in the desired location. This is done by comparing the signal received from the photo-detector to a reference voltage, which is associated with the desired location. If a match is detected, an output signal is generated and sent to the related control system, such as a motor or machine. Based on the output signal, the related control system will either stop or start the machine, depending on the application.

The 70156-3958 optical photoelectric sensor is an industrial grade device that has many uses in automation and machine vision applications. It is designed to detect the presence, absence, or change in a physical quantity using highly sensitive infrared photoelectric effect. The sensor works by detecting the intensity of light emitted by an infrared LED, and generating an output signal to control the desired system based on the results. The sensor provides reliable and long-distance accuracy, which makes it ideal for a variety of industrial uses.

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