| 摘要 |
PURPOSE:To remotely rewrite the operation program of an elevator via a telephone line by providing the program change requiring means of a monitor center and the program rewriting means of a terminal device. CONSTITUTION:When the change of the operation program of an elevator 3 is required by a customer, the program change requiring means 12 of a monitor center 1 forms a change data for changing the operation program of the elevator 3 and transmits the change data to a terminal device 2 via a telephone line 4. The program rewriting means 22 of the terminal device 2 which received the change data transmitted from a program change requiring means 11 rewrites the operation program of the elevator 3 according to the change data. |
