SF2B-A18SL

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Machine Safety: Light Curtains

Light curtains have become increasingly popular in the industrial sector in recent years due to their ability to provide a reliable and cost-effective way to monitor dangerous areas, keep employees safe, and prevent accidents or machine damage while preserving production efficiency. The SF2B-A18SL is an industrial-grade light curtain that has been engineered to provide reliable protection in a wide range of severe environments.

Overview

The SF2B-A18SL is a light curtain that consists of a transmitter and receiver, both of which are interconnected with a safety circuit. The safety circuit is controlled by a safety controller, which is the central component of the system. The controller is responsible for monitoring the status of the safety circuit, and when the circuit is broken, the controller will activate safety functions such as emergency stop. The SF2B-A18SL is designed to be used in a wide variety of industrial applications, including areas where frequent objects block the safety circuit.

Features and Benefits

The SF2B-A18SL has several features that make it well suited for a variety of applications. It operates in temperatures ranging from -20°C to +55°C, and is resistant to dust and water splashes. It has a detection range of up to 18 m with a resolution of 1 mm, and can detect objects down to 2 mm in size. It has a shielding range of 8 m, and has an adjustable scanning frequency of 2 kHz to 20 kHz, allowing it to be used in areas with fast-moving objects. Additionally, it can be connected to multiple units for a larger coverage area.

Working Principle

The working principle of the SF2B-A18SL is based on the principle of light reflection. The transmitter emits an infrared light beam, and the receiver detects the reflected beam. If the safety circuit is broken, then the safety controller will activate a safety function. This is achieved by monitoring the time delay between the reflected signal and the transmitted signal.

Additionally, the SF2B-A18SL is equipped with a self-test function that can detect malfunctions in the transmitter or receiver. When a malfunction is detected, the controller will send out a signal to alert the user. This feature ensures that the safety circuit is functioning properly, providing an extra layer of safety and reliability.

Application Fields

The SF2B-A18SL is suitable for a wide range of industrial applications, as it is designed to withstand harsh environments and provide reliable protection. It is commonly used in automated machinery, packaging machinery, printing machinery, material handling, material packaging, and robotics. Additionally, it is also suitable for areas with moving objects, as it can be adjusted to match the speed of the moving objects.

The SF2B-A18SL is also a reliable option for hazardous locations, as it has been certified for use in Zone 2 and Zone 22. This certification ensures that it will operate reliably even in environments with explosive gases or dust.

The SF2B-A18SL is also an excellent choice for outdoor applications, as it is designed to resist water splashes and dust. This makes it suitable for applications in ports, shipyards, and other outdoor areas.

Conclusion

The SF2B-A18SL is an industrial-grade light curtain that is designed to provide reliable protection in a wide range of harsh environments. It is suitable for a variety of applications, including hazardous locations, outdoor areas, and areas with moving objects. Additionally, it is equipped with a self-test function that ensures that the safety circuit is functioning properly, providing an extra layer of safety and reliability.

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