Industrial safety light curtain protects fingers, hand, body

ifm Type 4 light curtains provide finger, hand, and body protection and continuously monitors itself for faults and monitors the surrounding area with an infra-red beam.


ifm Type 4 light curtains provide finger, hand and body protection and continuously monitors itself for faults and monitors the surrounding area with an infra-red beam. Courtesy: ifmifm's low-profile safety light curtains provide finger, hand and body protection in a variety of industrial applications. ifm Type 4 light curtains provide a multi-beam barrier of infrared light in front of a hazardous area. If any of the beams are blocked by an object, such as a finger or a hand, the light curtain sends a signal to the machine to place it in a safe state. ifm light curtains are offered in protective heights of 160 mm to 1510 mm in increments of 150 mm. The light curtain’s slim housing design measures only 28 x 30 mm that fits easily in an application for less intrusive mounting. Simple installation does not require software or control boxes and meets safety level requirements according to IEC61496; SIL 3, SILcl 3 and PL e.

ifm’s Type 4 light curtain continuously monitors itself for faults. A tight effective aperture angle of 2.5° reduces risk of optical short circuits, and the curtains include duplicate critical components and circuits in order to provide a back-up system should the primary system fail. Reset functionality and protected area width are configured without the use of DIP switches or complex software.  Redundant safety rated solid-state outputs ensure fast response time. Bright LEDs indicate power, system status and fault conditions. Power is achieved with an M12 connection.  

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