| 摘要 |
PURPOSE:To prevent a serious failure from not being stored, by controlling and storing the serious failure and a light failure of a main storage device independently and resetting the failure at the readout of a serious failure signal all together. CONSTITUTION:A failure storage means 22 of a main storage device A' stores a light failure signal 27 for processing interruption to a high-order device B with an interruption signal 10. On the other hand, the serious failure signal 26 is controlled with a storage control means 23 so as to be held until the signal is reset after being stored in a failure storage means 21. An interruption signal 9 is given to the device B from the means 23. The device B performs processing by the signal 9 and transmits a selecting signal 8. In the selecting means 25, the serious failure signal 30 from the means 21 is selected with the signal 8 and read out as a failure signal 7 to the device B. The high-order device B completing the collection of the serious failure information transmits a failure reset signal 32, resets the means 21 and 22 so as to bring the means 21 in the state possible for storing a new signal 26 and the means 22 in the initial state. |
