What is the primary goal of limit switches in an elevator system?

The primary goal of limit switches in an elevator system is to detect and control the elevator's position. Limit switches are essential safety devices that provide feedback regarding the elevator's movement and its location within the hoistway. They play a critical role in ensuring that the elevator stops at predetermined points, such as floors, to allow safe boarding and alighting by passengers.

These switches monitor the elevator's position by being activated when the elevator reaches certain points in its travel. When a limit switch is engaged, it typically sends a signal to the elevator control system, which can then take appropriate action, such as stopping the elevator or preventing it from moving beyond its designated travel limits. This functionality is vital for maintaining the operational safety of the elevator and protecting passengers from potential accidents resulting from overshooting or misalignment with floors.

In contrast, while alarm systems, energy management, and access control are all important aspects of elevator systems, they do not encompass the fundamental role of limit switches, which is primarily focused on position detection and control.