The Difference Between ARD and UPS

ARD and UPS are both elevator power outage emergency devices, but their nature, functions, usage scenarios and purposes are different.

1.The definition of ARD and UPS
1.1 ARD (Automatic Rescue Device): It is an automatic device that can stop the elevator at the nearest floor and automatically open the doors to ensure the safe evacuation of passengers when the elevator loses power or fails.
1.2 UPS (Uninterruptible Power Supply): The main function is to provide backup power when the power is interrupted, ensuring the normal operation of the elevator during the power outage.

2.The difference in use scenarios
2.1 ARD: It is automatically activated when an elevator fails, with the goal of helping passengers leave the elevator safely.
2.2 UPS: It ensures the continuous and stable operation of the elevator when the main power is interrupted until the backup power is exhausted.

3.Purpose and impact
3.1 ARD: Its main function is to protect the safety of passengers in an emergency.
3.2 UPS: It exists to enhance the stability, reliability and safety of elevator operation.

In short, ARD and UPS on elevators play an important role in ensuring the smooth operation of elevators and the safety of passengers.