| 摘要 |
<p>PURPOSE:To make the restoration of a failure easy, by detecting the generation of failure of an I/O under the control automatically, and returning data at failure to an upper-order device. CONSTITUTION:A main control section 5 reads out a section data at each I/O stored in a buffer 11 and outputs the data to corresponding I/O buffers 31-34. I/O 41-44 make processing based on the data stored in the buffers 31-34. The I/O finishing the processing outputs a signal representing the end of processing to the main control section 5. When a failure is generated in any I/O, since the section data of the I/O is left in the buffer 11, this is detected automatically, the address of the I/O is transmitted to a failure section 12, and this is transferred as a failure information signal to the upper-order device.</p> |
