WF80-40B416

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Optical Sensors are widely used in a variety of different applications across a number of different industries. One such type are Photointerrupters – devices that use an interrupting beam of light to detect the presence or absence of an object. Photointerrupters come in a variety of types and the slot Photointerrupters like the WF80-40B416 are among the most commonly used. This article explores the applications and working principle of the WF80-40B416.

Applications

The WF80-40B416 is a slot type sensor which features a transistor output. It is mainly used in industrial applications such as height measuring systems, safety systems for hazardous materials and for the detection of machine parts and mechanical items. It can also be used for applications where reliable switching is of paramount importance, such as in robotics and automation processes. It is suitable for a range of voltages including 5 and 12-24VDC and features a maximum switching power of 50W.

Working Principle

The working principle of the WF80-40B416 is quite simple. It uses a sensing beam of light which is interrupted by an object passing through the slot in the device. When the beam is interrupted, the supply voltage is changed from high to low, triggering the transistor which then sends a signal to the user interface. This signal can be used to either stop or start a process, or to alert an operator when an object passes through the slot. The sensing beam is capable of detecting objects with as little as a 0.5mm thickness and is triggered within a millisecond.

Advantages

The main advantage of the WF80-40B416 is its size and robustness. It is a small device ( approximately 16 x 8 x 4mm) and is capable of withstanding a variety of harsh environments. It is also very reliable and can easily handle a high number of operations without failure. As well as this, it is relatively low cost making it an ideal choice for many applications.

Conclusion

The WF80-40B416 is a versatile and reliable slot Photointerrupter which is suitable for a range of different applications. Its small size, robustness and affordability make it a great choice for industrial and automation applications. Its simple working principle ensures reliable and accurate sensing and it is capable of operating at a wide range of voltages. Providing the user with a signal to start or stop processes or alert an operator when an object passes through the slot, the WF80-40B416 is the perfect device for a range of applications.

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