| 摘要 |
PROBLEM TO BE SOLVED: To deal with high functionalization of an elevator system, to make a safety controller appropriately allocatable, and to facilitate the maintenance related to the reliability and safety. SOLUTION: An electronic safety elevator which prevents an abnormal operation for an elevator control system that controls the service of a car includes a safety circuit 4 that controls the power supply and interception to the elevator control system 3, and a brake 8 that is controlled by the elevator control system 3 and put a brake on the car, wherein the safety circuit 4 and the brake 8 are controllable in each safety feature by a safety controller 1 that achieves two or more safety features. COPYRIGHT: (C)2011,JPO&INPIT
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