| 摘要 |
PURPOSE:To prevent the occurrence of the vibration of a cage with a door- closing control after the completion of a door timer motion made by a rope extension correction control during the rope extension correction is conducted, and with a level correction completed when the door is closed, by providing a door-opening command retaining circuit. CONSTITUTION:In the midst where a rope extension correction control is conducted based on a signal 2 with a cage level misaligned to enter a rope extension correction zone by alighting and boarding of passengers or loading and unloading of cargos, even if the mode for a door-closing control is made with a door timer action completed, the rope extension correction is conducted until the cage level is reached. Consequently a cage vibration is unoccurring with a level correction completed when a door is closed. |
