OPB943W51Z

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Optical sensors, or optoelectronic or photoelectric sensors, are designed to detect light. They can be used to detect the presence or absence of light, to control lighting, to provide movement or position detection, to sense events, or to measure the intensity of the light reflected by an object. Photointerrupters, also known as photoelectric switches, use the interruption of the light beams to detect the presence of an object and provide logic output signals. OPB943W51Z is a slot type photointerrupter, which offers high performance and reliability for detection applications.

The basic design of OPB943W51Z consists of an infrared, light-emitting diode (LED) and an integrated receiver, which are optically coupled across a gap. When a target is placed between the LED and the receiver, the receiver detects the infrared light emitted by the LED that is reflected off the target. When the LED and the receiver are optically coupled, the output signal is an intruder status signal (on/off). There are two isolated output channels that are used to detect the presence of a target.

The OPB943W51Z is designed to detect objects moving through its slotted aperture. Depending on the size and material of the target, the working range can range from 45mm to 130mm. The operating voltage of the device is from DC 3V to 30V. It has common collector open collector output circuit and logic output. Its operating temperature ranges from -40℃ to +85℃ and surge voltage of 5V. It can be used for industrial control, automatic door control, robotics, office automation, and so on.

The working principle of OPB943W51Z is relatively simple and straightforward. In essence, it works like this: the LED emits a beam of infrared light, which is detected by the receiver. When a target is placed in between the LED and receiver, the receiver detects the infrared light, which causes a change in the output voltage of the device. Depending on the size and material of the target, the distance at which it can be detected will vary, but generally, the device can detect objects with accuracy ranging from 45mm to 130mm.

In order to ensure accuracy, the OPB943W51Z features an automatic output nulling adjustment. This adjustment algorithm constantly adjusts the output voltage of the device, enabling it to accurately detect the presence of a target over long distances. It also features an adjustable delay time, which allows the device to detect objects even when there is a movement on the other side.

The OPB943W51Z is an ideal solution for applications that require accurate detection of objects over a wide range of distances. It is suitable for use in a variety of industries, from automation and robotics to office automation. It is also an ideal device for use in safety systems, as it can detect objects without manual intervention and can be easily configured to suit the specific application requirements.

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