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Optical Sensors - Photoelectric, Industrial

Optical sensors are devices that detect the presence or absence of an optical signal, usually in terms of light or other radiation. The 70156-1913 is one example of an optical sensor used in industrial and commercial applications. In this article, we will explore the application field and working principle of this sensor.

Applications

The 70156-1913 is a rugged and reliable optical sensor used in a wide variety of industrial and commercial environments. It is ideal for detecting the presence of an optical signal quickly and accurately. Some of the applications it is used in include machine vision systems, position sensing, motion control, and process control applications. Additionally, the sensor is used in applications where it is important to detect objects, such as in the automotive and security industries.

Working Principle

The 70156-1913 uses a combination of a highly sensitive photodiode sensor and an embedded microprocessor to detect the presence of an optical signal. The photodiode is sensitive to a wide range of light levels, from low-level ambient light to intense sunlight. The embedded microprocessor is designed to detect changes in light levels in under microsecond intervals. When the processor detects a change of more than a certain threshold, the sensor triggers and sends an output signal.

The 70156-1913 can be configured to detect light in either the visible or infrared spectrum. It also has programmable options, so the user can adjust the sensitivity levels to accurately detect light levels and optically communicated signals. For instance, it can be adjusted to include hysteresis so that it can detect small changes in light levels.

Specifications

The 70156-1913 has a number of features that make it a useful optical sensor. It is easy to install without the need for additional hardware, plus it has a built-in temperature sensor to ensure reliable operation in temperatures ranging from 0°F to 175°F (–17°C to 79°C). It is also remarkably durable, with an operating life of up to five years depending on usage. Additionally, the sensor operates from an external 5Vdc power source and has an adjustable current sink of 0.2 to 0.5mA.

Conclusion

The 70156-1913 optical sensor is a reliable and versatile device used in a variety of industrial and commercial applications. It utilizes a combination of highly sensitive photodiodes and a built-in microprocessor to detect the presence of an optical signal within a fraction of a second. It also has adjustable sensitivity settings, temperature protection, and a long operating life, which makes it an excellent choice for many applications.

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