SD3-A1

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optical Sensors are widely used in industrial processes and applications to reliably detect and measure objects, events, and other changes in the environment. Photointerrupters, or photodiode-based slot type sensors, are among the most successful types of optical sensors. Typical applications include measuring robot speed and automation equipment control, monitoring conveyor belt operations, detecting presence and absence of objects on production lines, and more. The SD3-A1 is a logic output photodiode-based slot type sensor designed specifically to meet these requirements.

The SD3-A1 photointerrupter is a small and compact slot type sensor based on the four quadrants CDS cell photodiode. With its high operating temperature tolerance and fast response time, it can be used in various applications where reliable and accurate detection is needed.

The SD3-A1 offers two types of detection modes: logic output (LO) type and open drain output (OD) type. The logic output type can detect targets from any direction and is suitable for a wide variety of applications. It can also be used with a variety of logic levels such as TTL and CMOS, making it compatible with a wide range of equipment and systems. The open drain type is more suitable for applications such as motor speed monitoring where high speed response is more important than the direction of detection.

The SD3-A1 photointerrupter is highly reliable and offers a long life cycle. It is also relatively inexpensive, making it a cost-effective solution for applications with a tight budget.

The working principle of the SD3-A1 is based on the principle of four-quadrant photoelectric CDS (Photoconductive Discharge or Photoelectric Sensitivity) cells, which use the relationship between LED light exposure (input) and response (output). The LED light is a narrow beam of monochromatic light that is emitted across the gap between the photodiode and the object. When the object interrupts the beam of light, the voltage output from the photodiode reduces and generates a signal. This signal is then sent to the logic circuit. The logic circuit processes this signal and outputs the appropriate logic level, typically 0 (low) or 1 (high).

The SD3-A1 logic output type photointerrupter has a number of advantages, such as higher sensitivity, phase difference detection, and time-saving applications. It is also highly reliable and has a long life cycle, making it an ideal solution for applications that require long periods of operation. When compared to other photointerrupters, the SD3-A1 Photointerrupter provides a cost-effective solution for applications that require reliable and accurate detection.

The specific data is subject to PDF, and the above content is for reference