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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.
This situation is handled by two solutions, a load vane sensor on the elevator, or a group function button on the keypad. The load vane will tell the elevator controller that there is a high load in the elevator car, this makes it so the elevator doesn't stop at other floors until the load is low enough to pick up more passengers.
The digital capacitive technology is based on a non-contacting ceramic sensor mounted inside the load cell body. As the load cell contains no moving parts and the ceramic sensor is not in contact with the load cell body, the load cell tolerates very high overloads (up to 1000%), sideloads, torsion, and stray welding voltages. [3]
An interlock device is designed to allow a generator to provide backup power in such a way that it (a) prevents main and generator power to be connected at the same time, and (b) allows circuit breakers to operate normally without interference in the event of an overload condition. Most interlock devices for electrical systems employ a ...
A controller area network (CAN) is a vehicle bus standard designed to enable efficient communication primarily between electronic control units (ECUs). Originally developed to reduce the complexity and cost of electrical wiring in automobiles through multiplexing, the CAN bus protocol has since been adopted in various other contexts.
Oats are perhaps the best way to load up on soluble fiber in the morning. These filling whole grains are rich in a unique type of cholesterol-lowering fiber called beta-glucan. It’s so powerful ...
An elevator has brakes that are held off brake pads by the tension of the elevator cable. If the cable breaks, tension is lost and the brakes latch on the rails in the shaft, so that the elevator cabin does not fall. Vehicle air conditioning – Defrost controls require vacuum for diverter damper operation for all functions except defrost.
Known sensor principles include: strain gauges: measuring the strain usually in the hub of the rail [47] fiber optical sensors: measuring a change of light intensity caused by the bending of the rail [48] load cells: Measuring the strain change in the load cell rather than directly on the rail itself.