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The device usually acts as the interface of a sensor (such as a light curtain), designed to signal a safety-related event, typically when the light curtain beam's being "broken". OSSD signals are the outputs from the protective device (light curtain or scanner) to a safety relay .
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A destination dispatch elevator, here using a Compass system from Otis. Destination dispatch is an optimization technique used for multi-elevator installations, in which groups of passengers heading to the same destinations use the same elevators, thereby reducing waiting and travel times. This contrasts with the traditional approach, in which ...
Overload sensor – prevents the elevator from moving until excess load has been removed. It may trigger a voice prompt or buzzer alarm. This may also trigger a "full car" indicator, indicating the car's inability to accept more passengers until some are unloaded. Electric fans or air conditioning units to enhance circulation and comfort.
General Hospital just bid goodbye to a major character.. During the Friday, Dec. 13 episode, fan-favorite Dex Heller, played by Evan Hofer, met his demise. Dex had been expected to make a full ...
An elevator fell about 20 stories at a construction site. [28] Tehran, Iran: 6 0 2017-01-05 Six men fell out of a mine-shaft elevator due to a broken control switch. [29] Mogok Township. Myanmar: 6 0 2019-03-09 A construction elevator fell from the 15th floor. [30] Karachi, Pakistan: 5 12+ 1957-03-20
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A torque limiter is an automatic device that protects mechanical equipment, or its work, from damage by mechanical overload. A torque limiter may limit the torque by slipping (as in a friction plate slip- clutch ), or uncouple the load entirely (as in a shear pin ).