Light Curtain Distance Calculator

For press machine whose sliding block can stop at any position safe distance should be calculated according to formula 1.

Light curtain distance calculator.

Light curtains are very versatile and can guard an area many meters wide. Click to share on twitter opens in new window. These distances are defined in standards such as iso 13855. Distance for light curtains sick inc light curtain installation and safety distance minimum how to calculate safety distance of light curtain ato com.

Ds is safe distance unit m 1 6 is the stretching speed of human hand unit m s. When any of the beams is blocked the light curtain control circuit sends a stop signal to the guarded machine. 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. 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.

Ansi minimum safety distance d s calculation. 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.

This minimum safety distance is based on the stopping ability of the machine and a hand speed constant. Calculating the safety distance according to iso 13855. Meanwhile a light curtain with 30 mm resolution hand detection has a d pf of 78 2 mm about 3 inches. T1 is the response time of safety light curtain 0 02 s.

Light curtain safety distance calculator. When installing a light curtain be sure to provide the safety distance minimum distance determined by sources such as the standards regulations and laws of the country or area in which the light curtain will be used. Masuzi march 11 2016. 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.