PM-L24-R

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Optical sensors are an important tool in the automation industry, providing a safe, reliable and accurate means for detecting the presence of objects and measuring distances in different applications. Photointerrupter devices are optical sensors which can detect the presence of an object or trigger an event once the presence of the object is interrupted in the optical path. The PM-L24-R is one of many different models of photointerrupters which are available on the market today.

The PM-L24-R is a slot-type photointerrupter which features a transistor output. It effectively acts like a digital switch, becoming either ‘on’ or ‘off’, dependent on the presence of an object in the path of its light beam. The device itself consists of two parts; an infrared LED, and an integrated phototransistor. The clearance between the LED and transistor is narrow enough that it is easily blocked by any object.

In its most basic design, the PM-L24-R is used to detect the presence of an object passing by, within a certain detection range. When an object is present in the detection range, the optical path between the LED and transistor is blocked and the transistor output goes ‘off’; when the object is taken away the optical path resumes and the output turns ‘on’. This output then provides a reliable and digital switching signal which can be used to trigger various events, such as controlling a mechanical or servo motor, counting objects or activating an output device.

The detection range of the PM-L24-R extends over a distance of 24mm, with a very accurate response time of up to 250µs. The device features a wide operating voltage range of 3.3 to 10V, allowing it to be used in a variety of applications. The device comes in a space saving package, making it suitable for projects with tight clearances. Due to its small size and high reliability, the PM-L24-R is often used in robot vision applications, object counter systems and other automation tasks.

As a versatile device, the PM-L24-R can be used in projects which require the object detection to be adjusted or altered. By using a combination of two or more devices and a logic circuit, it is possible to trigger an event when the object enters or leaves a specific range. This allows for an even more accurate detection, with improved accuracy and sensitivity.

The PM-L24-R is an all-around reliable and accurate photointerrupter device, and is a perfect choice for projects which require a reliable digital switching signal. With its wide operating voltage range, fast response time and small form factor, the device can be used in many different applications and provide consistently accurate results.

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