| 摘要 |
<p>PURPOSE:To certainly synchronize two computers to each other without making the execution period of one computer shorter by synchronizing the writing in a common memory at one computer to the refreshment of the process information at the local process input-output section of the other computer. CONSTITUTION:At one computer 1 input and output of process information against a common memory 4 are performed independently from the control process. The process input section 1b and process output section 1a of the computer 1 execute refreshment on process information by means of a refreshing section 7 by interrupting other processes at the timing at which the output of the section 5 for inputting and outputting local processes for processing interruption on the other computer 3 side is received by the section 6 for inputting and outputting local processes for interruption on the computer side 1. Therefore, the execution cycle of the computers 1 and 3 coincide with each other and the execution cycles become synchronous to the refreshing timing of the computers 1 and 3.</p> |
