| 摘要 |
PURPOSE:To prevent an illegal access to other station and device not under the charge with respect to a maintenance operator. CONSTITUTION:The system is provided with an operator file 2 in which an operator ID number allocated to each maintenance operator, a password corresponding to its operator number and a work classification are registered, and a station/device security file 3 in which whether a station and a device corresponding to the operator ID can be accessed or not is registered, and the operator ID number, the password and the work classification are inputted to collate them with the operator file 2 and the station/device security file 3, and whether a work to be executed is a permitted work or not, and also, the device can be accessed or not is decided. |
