70156-2227

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Part Status:	Active

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Optical Sensors - Photoelectric, IndustrialOptical sensors are used for a variety of functions in many industries. From automotive and aerospace to security and safety, these sensors have come to intimately touch and shape our lives. In this article, we will explore how the 70156-2227 industrial photoelectric optical sensor functions and in which fields it is applied.Photoelectric sensors, sometimes known as proximal sensors, use light to detect the physical presence of an object and measure changes in its position. They come in a variety of forms including laser, ultraviolet (UV), infrared (IR), visible light, and even acoustic waves. The 70156-2227 photoelectric sensor utilizes a visible light beam, emitted by a light-emitting diode (LED). This LED beam is directed through a transparent tube, which is often called the “gate.” When an object passes through the gate, it will be detected by a receiving circuit connected to the sensor. This circuit detects changes in the amount of light transmitted through the gate and determines the target\'s presence or position.Industrial applications for the 70156-2227 photoelectric sensor are numerous. For example, these sensors are well-suited to applications where direct contact between the target object and sensor is not feasible, such as in conveyor systems. The 70156-2227 sensor can be used for detecting and counting objects that pass through its field of view, measuring speed and velocity, sorting based on size or shape, and much more. It can even be used for detecting liquid levels, as the object does not need to be directly in contact with the sensor.In terms of its working principle, the 70156-2227 photoelectric sensor can be placed in either an “on-off” or “proximity” mode. In “on-off” mode, the sensor\'s output is only triggered when the beam is blocked or the object moves beyond a predetermined setback distance. This mode is suitable for use in gates, doors, and systems where a precise target must be recognized. In “proximity” mode, the sensor\'s output is triggered by an object that is within a predetermined distance from the beam\'s source. This mode is useful in applications where it may be necessary to detect an object that is moving in an unpredictable manner.The 70156-2227 sensor is easy to install and maintain. It contains both an optical-electric block and a control block, each with its own adjustable threshold setting, and is connected to the target object and the control circuit by means of a 5-meter conductive cable. The conductive cable helps to minimize electromagnetic interference and unwanted transmission, thus ensuring an optimal performance.The 70156-2227 photoelectric sensor is a reliable and cost-effective solution for industrial applications such as material flow control, object sorting, and detecting liquid levels. By utilizing a light-emitting diode (LED), the sensor offers high sensitivity and robust performance over a wide operating range. Furthermore, its adjustable thresholds, long operating cable, and immunity to electromagnetic interference make it an attractive solution for various industrial applications.

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