| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an elevator system that securely switches off two power supply systems at the time of failure. <P>SOLUTION: The elevator system includes first and second power supply systems for driving lift motors 11, 12. The elevator system includes: a first switch S1 for switching on and off the first power supply system; a second switch S2 for switching on and off the second power supply system; and a control device 30 for generating a control signal for switching off the second power supply system by the second switch S2 after the first switch S1 switches off the first power supply system. <P>COPYRIGHT: (C)2012,JPO&INPIT |
