E3FA-RN22

Series:	E3FA
Part Status:	Active
Sensing Method:	Reflective
Sensing Distance:	19.685" (500mm)
Voltage - Supply:	10 V ~ 30 V
Response Time:	500µs
Output Configuration:	NPN - Dark-ON/Light-ON - Selectable
Connection Method:	Connector
Ingress Protection:	IEC IP67, IP69K
Cable Length:	--
Light Source:	Red LED
Adjustment Type:	Single-Turn
Operating Temperature:	-25°C ~ 55°C

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E3FA-RN22 Application Field and Working Principle

The E3FA-RN22 is a type of photoelectric switch developed by Omron and is a digital output device used in a wide variety of industrial, military, and commercial applications. The E3FA-RN22 provides fast, reliable digital switching under extreme conditions and is suitable for applications such as proximity and presence sensing, object detection and position sensing, edge detection, and material handling.

Application Field

The E3FA-RN22 can be employed in a variety of applications including motion detection, intrusion detection, vehicle detection, temperature monitoring, and condition monitoring. It can be used in industrial, military, and commercial applications such as automation systems, surface and engine mount locations, conveyors, robotics, and medical equipment.

Working Principle

The E3FA-RN22 operates by utilizing an extremely stable, self-diagnosing multi-mode optical sensor that uses light-emitting diode (LED) and phototransistor elements. When the LED is illuminated, the phototransistor emits current which is sensed by an amplifier circuit. From this signals, it can determine whether there is an object within the sensing range of the device. When an object is detected, it generates a single pulse output with an adjustable delay time. The E3FA-RN22 also has a built-in short circuit protection, which ensures safety when operating in electrically hazardous environments. Additionally, the device offers reverse polarity protection, ensuring that the user’s device is safe from external damage from EMF caused by extreme temperatures or voltage fluctuations.The E3FA-RN22 offers a wide range of features for a sophisticated and reliable operation. These features include a wide range of detection distances and detection angles, an adjustable hysteresis, a built-in protection circuit, and an adjustable delay time.

Advantages

The E3FA-RN22 offers various advantages in comparison to other devices. Firstly, it has a high temperature rating for reliable performance in extreme temperatures. It also enables flexible installation due to its compact size and lightweight construction, allowing the device to be adapted to the desired location and environment.Secondly, the device is highly resistant to electromagnetic interference, due to its built-in short-circuit and polarity protection, as well as its self-diagnosis feature that allows the device to self-monitor its performance.Finally, the E3FA-RN22 has a low power consumption, resulting in a low total cost of ownership. Additionally, its features enable a long lifetime of the device, making it a reliable and cost-efficient solution for applications.

Conclusion

The E3FA-RN22 is an advanced photoelectric switch suitable for a wide variety of industrial applications. It offers a high temperature rating, a wide operating range, and a low power consumption. Additionally, the device is protected from external electrical influences, making it a reliable and cost-efficient product for applications.

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