| 摘要 |
PROBLEM TO BE SOLVED: To make it easy to analyze a fault after fault recovery by making it easy to sample fault analytic information even after the fault recovery. SOLUTION: If a fault occurs in operation, the peripheral control processor 1 which is controlling multiple input/output devices 3 issues a command for fault analytic information transfer from a fault information management part 15, stores fault analytic information in a memory 35 of an input/output device 3, and issues a command instruction for gathering fault analytic information after system recovery to the input/output device 1 to make the device send previously transferred fault information back, thereby preventing the fault analytic information from being lost.
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