Rite-Hite Machine Guarding introduces the Guardian Defender™, the industry's most effective machine guarding device yet. Designed with the latest regulations and most demanding manufacturing process in mind, the Guardian Defender is the ideal safety guarding device in many manufacturing environments. Anywhere that a machine operator interfaces with a machine, robot or process is an ideal application for the Guardian Defender.
A safety light curtain is an optically driven, non-contact method of machine guarding and are a form of perimeter access guarding that falls into the category of "presence sensing devices" much like safety mats, photo eyes and safety laser scanners.
Safety light screens use a series of infrared beams to sense the presence of an obstruction, stopping machine movement before the hazard can be accessed. Additionally, they are connected to a safety relay or control, this safety relay communicates to the machine or application that is being guarded. When a beam is interrupted, a signal is sent through the safety relay to the machine and ceases motion.
A safety laser (area) scanner is much like a safety light curtain, a non-contact method of machine guarding also using perimeter access guarding. Safety laser scanners are also considered a presence sensing device. The difference of safety laser scanners from safety light curtains is that they send out a fan shaped beam that can detect movement. Safety laser scanners may be programmed to sense various distances and be set for various resolutions. Safety laser scanners are also connected to a safety relay control.
Rite-Hite Machine Guarding manufactures a number of automated barrier doors, roll up curtain doors and innovative machine guarding solutions that are ideal alternatives to safety light curtains. By using non-contact, coded signal switches and safety rated relays (controls) Rite-Hite Machine Guarding can deliver the same level of safety (up to Cat. 4 per EN954-1, and/or PLe per 13849-1 when integrated properly) as light curtains, safety light curtains, safety light screens, safety laser scanners and laser scanners with the added benefit of providing a high speed retractable safety guard between the machine operator and the process being guarded.
By guarding points of operation, and limiting access points through both electronic and physical means, Rite-Hite Machine Guarding's complete line of Roll up barrier doors offer the best in automation safeguarding solutions.
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