| 摘要 |
PURPOSE: To watch remotely by a remote supervising device through the same one transmission road, as for respective running state of plural elevators at one place. CONSTITUTION: Trouble watching devices provided respectively on the elevator control devices 11, 11,... for plural elevators in an elevator installation place watch the running state of an assigned elevator and prepare a trouble data at the abnormality generation time. When the abnormality is generated on either elevator, a trouble data is sent out to a remote watching device 15 through a transmission road 14 by a local area net work 25 and a relay transmission device 26 connected to respective elevator control devices. In the remote watching device side, the trouble data sent through the local area net work 25 and the relay transmission device 26 is received by a receiver and it can be analized automatically by the trouble data received by a trouble data analizer what kind of trouble is generated on which elevator. |
