E3T-FT12R

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The E3T-FT12R photoelectric automations sensors are used in many industries to detect the presence or absence of objects. It is part of a series of products from OMRON Automation, and has a wide variety of applications. This article will explore the application field of the E3T-FT12R, as well as describe its working principle.

Application Field

The E3T-FT12R is a self-contained fiber-optic sensor with a dedicated amplifier/controller and is widely used in production factories and supermarkets. Because of its ability to detect the presence or absence of objects, it is very useful in counting items on conveyor belts, sensing the presence of items on shelves, or detecting whether items are in the right position. It’s also used in pick & place operations and in machine vision systems.

In addition to these applications, the sensor is also used in transportation, medical, and other industries. For example, it is used in detecting parcel boxes in dimly lit warehouses, where its ability to detect objects accurately comes in handy. It is also applied in medical related monitoring by detecting the presence/absence of medication in medical cabinets, or a call button by a bedside.

Working Principle

The working principle of the E3T-FT12R is based on the beam switching principle, which means that the sensor detects the presence of an object based on the interruption of a beam of light. The sensor consists of a light-emitting diode (LED), a light-sensitive semiconductor (receiver), an amplifier/controller, and a fiber-optic cable that connects them together.

The LED emits light into the fiber-optic cable, which is then projected into the receiver at the other end of the cable. When an object passes between the LED and the receiver, it interrupts the light beam, which is detected by the receiver. The amplifier/controller then analyzes the information and sends a signal back to the device, alerting it that an object has been detected.

The E3T-FT12R is a reliable and fast sensor, with a detection response of 0.1 microseconds, and a range of up to 10 meters. It is also highly customizable, with selectable functions including NPN/PNP output, light/dark operation, and non-contact detection.

Conclusion

The E3T-FT12R photoelectric sensor is an excellent solution for many applications in production factories, supermarkets, and other industries. Its beam switching principle makes it ideal for detecting the presence or absence of objects, and it is highly reliable and fast, with a detection response of 0.1 microseconds. It is also highly customizable, with selectable functions such as NPN/PNP output, light/dark operation, and non-contact detection.

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