| 摘要 |
PURPOSE:To immediately cope with abnormality when the abnormality occurs, by detecting the cause of the abnormality, sending the detected cause to a central operation processor, and then, cutting off the power supply. CONSTITUTION:An input/output device 3 is equipped with an interface section 4 and mechanism section 5. When abnormality occurs at a part in the mechanism section 5, the input/output device 3 sends a signal representing the abnormality to an error controlling circuit 10 of the interface section 4. Upon receiving the signal, the controlling circuit 10 forms error data corresponding to the signal and sends the data to a central operation processor 1. Therafter, the controlling circuit 10 outputs a power supply cutoff signal and interrupts the power supply of a power supplying section 6 in the mechanism section 5. Since the cause of interruption of the power supply to the input/output device is informed to the central operation processor in this manner, any produced abnormality can be dealt with immediately. |
