OPB761N

OPB761N is an optical sensor in the category of photoelectric, industrial. It is designed to detect the presence of objects within its sensing range and convert it into an electrical signal.

This sensor is composed of two main components: an infrared light-emitting diode (LED) and an NPN phototransistor. The LED emits light in the infrared band and the camera then receives this light and converts it into an electrical signal. When the light is interrupted by an object within its sensing range, the output signal changes, triggering a response.

The OPB761N can be used for a variety of applications such as specific presence/absence detection, counting, and object orientation. For example, it can be used in packaging machinery, in the automotive industry, and even in robotics applications. Additionally, it can be used to measure the presence or absence of material in a container.

In terms of working principle, the OPB761N works by using the radiation emitted from the LED to create a sensing field in which objects within the sensing field will be detected. This field is detected mainly by the phototransistor, which is the receiver. When something crosses this sensing field, it changes the output signal of the sensor. This then triggers an output response, such as an electrical output.

The OPB761N has a wide range of adjustable frequencies from 0.2 kHz to 20 kHz, which it uses to detect objects. It also has a wide variety of output signals, which include different pulses, logic levels, and even a current output. The adjustable frequency can be managed from the controller, allowing for specific control of the device. Furthermore, the sensor is suitable for both indoor and outdoor settings, making it very versatile.

In conclusion, the OPB761N is an optical sensor that is mainly used for presence/absence detection applications and can detect objects within a certain range. It is composed of an LED and a phototransistor which are used for sensing a field. The device is adjustable, allowing different frequencies and output signals to be managed. It is suitable for indoor and outdoor settings and can be used in a variety of applications.