| 摘要 |
<p>- 32 -An object of the present invention is to provide a controller for an elevator that enables a place5 with abnormal landing precision to be identified at a glance during elevator inspection, without having to add special devices.In a controller for an elevator that has a position detection sensor 80 attached to an elevator10 car 1 and to-be-detected objects 81 to 83 that are placed in a hoistway and are detected by the position detection sensor, the controller detectingthe position of the elevator car, the position detection sensor has four sensor units 80A to 80D15 attached to the elevator car side by side; each of the to-be-detected objects has a plurality of to-be detected units 81a to 81d, 82a and 82d, or 83a to 83d, which are detected at the same time by at least two sensor units of the four sensor units arranged20 side by side underneath the elevator car; an abnormality is detected in response to a difference between output timings of the at least two sensor units.</p> |
