What do load weighing devices monitor?

Load weighing devices are specifically designed to monitor the weight of the load in the car of an elevator system. These devices play a critical role in ensuring safe operations by providing real-time data about the weight that the elevator is carrying. By accurately measuring the load, these devices help prevent overload situations, which can lead to mechanical failures or dangerous conditions.

In terms of functionality, load weighing devices also enable the elevator control system to make informed decisions regarding the operation of the elevator. For instance, if the load surpasses a certain limit, the system can prevent the elevator from moving, ensuring the safety of passengers and the longevity of the equipment.

Other options, while important in their own contexts, do not pertain to the primary function of load weighing devices. Speed monitoring, motor temperature, and rope condition are all critical aspects of elevator operation but are managed by different systems or sensors within the elevator's infrastructure.