Procedimiento para la supervisión de un medio de soporte de elevador, una instalación de supervisión de un medio de soporte de elevador y una instalación de elevador con una instalación de supervisión de este tipo

摘要

An elevator support monitoring device in an elevator system and a method for monitoring the elevator support means monitor a characterizing property, preferably an electrical resistance, of the elevator support or of a tension support of the elevator support and a sudden change in the characterizing property is detected. A state of the elevator support is determined by evaluating several consecutive, sudden changes in the characterizing property.