SF4B-A24-01(V2)

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Machine safety - Light curtains are commonly used in many industries as a cost effective solution to achieve safety and security for personnel and production. The SF4B-A24-01(V2) light curtain is a series of infra-red (IR) beams monitored for obstruction. The device is typically mounted or attached to a frame and can be interconnected with safety interlocks. The curtains provide an effective protective barrier against personnel entering hazardous areas and avoids the danger of personal injury.

The SF4B-A24-01(V2) light curtain operation can be broken down into three main segments:

• Detection
• Evaluation
• Processing & Output

During the detection phase, the light curtain is activated; this activates the individual light beams across the device. When the light beams are interrupted, a detection signal is generated and this is passed onto the evaluation module. The evaluation module compares data from the detection module with the curtain\'s pre-configured parameters (protection field, speed, height, width, etc) and will inform the processing unit of any inconsistencies. Any inconsistencies will lead to an output signal, which, when connected to a related safety system, will disable the machine via the interlock system.

The curtain beam can be varied in both speed and size by way of an internal dip switch, allowing for adjustable parameters to suit the particular application. This feature can be very beneficial when it comes to protecting staff from moving machinery and increases the ease of compliance to safety provisions. The light curtain also has a series of built-in features, including a delay control which allow for the beams to be activated and de-activated gradually as opposed to abruptly.

A light curtain can easily be integrated into an existing safety system, facilitating the use of the curtain as a stand-alone safety device, or in combination with other safety components on a machine. This flexibility in the set-up process means the device can be tailored to suit the needs of the given application.

The SF4B-A24-01(V2) light curtain is a robust and reliable system, designed to meet the requirements of Category 3 and SIL 1 safety standards. This device is available in two different models depending upon the number of beam elements. The SF4B-A24-01(V2) features 24 beam elements, while the SF4b-A24-32(V2) features a maximum of 32 beam elements, making it ideal for more complex applications.

In conclusion, the SF4B-A24-01(V2) light curtain provides a reliable and cost-effective machine safety solution for applications where personnel protection is required and provides the additional benefit of being able to be tailored to suit specific needs. The device is also compliant with all relevant safety standards, meaning it can be used as part of an integrated safety system as well as a stand-alone device.

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