HOA0871-L55

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, Photointerrupters, and Slot Type Transistor Output are often used to measure a range of information, including position, motion, temperature, pressure, optical input, and more. The HOA0871-L55 Sensor is an example of a Photointerrupter – Slot Type – Transistor Output, and its application field and working principle are outlined below.

Application Field

The HOA0871-L55 photointerrupter is an optical slot sensor with a transistor output. This sensor is used to detect the presence or absence of an object in a defined detection range. The HOA0871-L55 consists of a receiver, an emitter, and a detection strip that is placed between them. When an object is present in the detection range, light is blocked from reaching the receiver, resulting in a output signal from the sensor.

The HOA0871-L55 photointerrupter is used in applications such as monitoring the opening and closing of windows, doors, and drawers, detecting the passage of objects through a measuring gap, and sensing the presence of a machine operator. Additionally, the HOA0871-L55 is suitable for use in microswitches, vending machines, automatic doors, document processing systems, and industrial automation systems.

Working Principle

The HOA0871-L55 operates with the principle of an optical slot sensor. In this type of sensor, an emitter and a receiver are placed on either side of a detection strip. The emitter emits light into the detection strip, and the receiver waits to detect the light. When an object is present in the detection range, light from the emitter is blocked from reaching the receiver, resulting in a decrease in the output from the receiver.

The HOA0871-L55 has two outputs, an open drain collector output (OCP) and a transistor output (T). When an object is present in the detection range, the OCP output is switched off, whereas the T output is switched on. When the object leaves the detection range, the outputs are switched in the reverse direction.

The HOA0871-L55 is an example of a photointerrupter – slot type – transistor output, which is used to detect objects in a given detection range. Its application fields include monitoring the opening and closing of windows, detecting the presence of a machine operator, and sensing the passage of objects through a measuring gap. Its working principle is based on an optical slot sensor, where an emitter and a receiver on either side of a detection strip detect the presence or absence of light.

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