| 摘要 |
PURPOSE:To eliminate a delay of action by controlling a speed of an electric motor in a low speed pattern with a speed signal output so as to cope with fluctuation of a cage load or leakage from an oil hydraulic pump in accordance with a specific condition before and after stopping a cage. CONSTITUTION:A cage is lifted by a start signal of a closing a normally-open contact 30d through up or down running pattern generating circuit 41U, 41D, when the cage reaches a predetermined position before an objective story, a pattern signal is gradually decreased by a deceleration command signal 9a, and the cage is stopped by a stop command signal 10a. After stopping, when on-off getting of passengers and a riding spot call in a door open condition are provided, a hold command circuit 43 generates an H output by a signal 38a to output a low speed signal 45a for an electric motor from a floor-mating running pattern generating circuit 45, when a load side pressure 6a is decreased less than a pump delivery pressure, the signal 45a from the low speed pattern generating circuit 45 is selected from holding to a low speed side by a signal of a selector switch 42 so as to cope with fluctuation of a cage load of leakage from an oil hydraulic pump, and the speed is controlled. |
