Light Curtain Distance Calculator

Light curtains are very versatile and can guard an area many meters wide.

Light curtain distance calculator.

Masuzi march 11 2016. When any of the beams is blocked the light curtain control circuit sends a stop signal to the guarded machine. The effective sensing field of the device shall be located at a distance from the nearest recognized hazards such that the operator or others cannot reach the hazard with a hand or other body part before cessation of motion during the hazardous portion of the machine cycle. Calculating the safety distance according to iso 13855.

Ds is safe distance unit m 1 6 is the stretching speed of human hand unit m s. Machine guard safety distances calculator. Ansi standard b11 19 2010 formula for calculating safety distance of light curtains from hazardous point of operation. A safety professional can help you determine the stopping time t s of your machine.

Light curtain safety distance calculator. These distances are defined in standards such as iso 13855. Click to share on twitter opens in new window. Ansi minimum safety distance d s calculation.

This minimum safety distance is based on the stopping ability of the machine and a hand speed constant. Distance for light curtains sick inc light curtain installation and safety distance minimum how to calculate safety distance of light curtain ato com. Meanwhile a light curtain with 30 mm resolution hand detection has a d pf of 78 2 mm about 3 inches. Light curtain to machine trap safety distance the reference standard is the en 999 safety of machinery the positioning of protective equipment in respect of approach speeds of parts of the human body.

Light curtains control access to the hazardous equipment by emitting infrared light beams typically across the entrance to the hazardous area. T1 is the response time of safety light curtain 0 02 s. Ds 1 6 t1 tz in the formula. The minimum safety distance is defined as the minimum distance from the light curtain s plane of light to the closest hazard or danger point where the operator could reach into the hazard.