Elevator safety control apparatus and elevator safety control method

摘要

In an elevator safety control device and an elevator safety control method according to the present invention, when an elevator abnormality is detected on the basis of a monitoring signal from a switch, sensor, or the like (safety-related switch/sensor 11, external safety control device 12) that monitors the status of the elevator, a safety control device (10) outputs a closest-floor stop command to an operation control device (16) in order to stop the car at the nearest floor, and performs safety control that stops the car by the time limit of a timer provided to the safety control device (10). Therein, the timer is configured to be a duplex system, and the safety control device (10) has a function of diagnosing the soundness of the timer itself by comparing the count values of the duplex timer.