| 摘要 |
PURPOSE:To efficiently and surely cope with a fault. CONSTITUTION:The priority order is given to fault information and the fault information having the high priority is noticed when the fault occurs. Then, the fault information having the low priority is noticed to a master station E from a slave station B at a previously decided time. Besides, fault noticing information whether the fault information is already noticed or not is given to the fault information. Then, it is judged based on the priority order and the fault noticing information whether the fault information is noticed or not. Besides, it is judged whether the fault is eliminated or not at a prescribed time after the notching time of the fault information. When it is not eliminated, the fault information is noticed again. |
