METHOD AND DEVICE FOR DETERMINING AN OPERATING STATE OF A LIFT SYSTEM

摘要

A method and a device (10) for determining an operating state of a lift system (100) are proposed, wherein a current/time profile (500) of a current supplied to the lift system (100) via a power supply line (102) is determined, at least one current profile segment (502a-f) of the recorded current/time profile (500) is identified and a current profile pattern of the identified current profile segment (502a-f) is derived. The operating state of the lift system (100) is determined on the basis of a comparison of the current profile pattern with at least one reference pattern. The method and the device can also be easily used by personnel without electrical training and can be used in lift systems which are not known in detail.