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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.
An output signal switching device (OSSD) is an electronic device used as part of the safety system of a machine.It provides a coded signal which, when interrupted due to a safety event, signals the machine to shut down.
MULTI is the first cable-less elevator developed by TK Elevator (formerly ThyssenKrupp Elevator). Rather than using cables to lift the elevator, MULTI uses linear motors. [1] As well as moving vertically between floors of a building, MULTI can also move horizontally through a floor of a building. MULTI is being tested at Rottweil Test Tower. [2 ...
A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors . PIR sensors are commonly used in security alarms and automatic lighting applications.
Also known as reclosers or autoreclosers, ACRs are essentially rated circuit breakers with integrated current and voltage sensors and a protection relay, optimized for use as a protection asset. Commercial ACRs are governed by the IEC 62271-111/IEEE Std C37.60 and IEC 62271-200 standards.
A paternoster in Prague Paternoster elevator in The Hague, when it was still in operation. A paternoster (/ ˌ p eɪ t ər ˈ n ɒ s t ər /, / ˌ p ɑː-/, or / ˌ p æ-/) or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two people) that move slowly in a loop up and down inside a building without stopping.
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The Mutual Elevator company bought the elevator from the Great Northern Railroad in March 1903. [3] In 1921, a local buffalo group named the Island Warehouse Corporation purchased the building and railroad right-of-way. [3] The Pillsbury Company bought the elevator in 1935 and operated within the facility until 1981. [3]