| 摘要 |
PURPOSE:To control information on a jam corresponding to the lapse of time, which occurs in a period before a constant period set in advance from a present time when necessary, and to quickly and surely execute maintenance and check by a service man. CONSTITUTION:A cause difference jam occurrence ratio for the time before the constant period set in advance from the present time point, is calculated from cause difference jam occurrence ratio data stored in advance, in accordance with counting data. On the other hand, the number of the jams occurring for the time before the constant period set in advance from the present time point is calculated from the data of the total number of times of jam occurrence stored in advance, in accordance with the counting data. The above-mentioned two data are displayed on a display means 4 when necessary. |
