| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication error detection system capable of recognizing the property of an error by discriminating the occurrence of concentrated errors. SOLUTION: The error of reception signals is detected in an error detection part 4. In a concentration degree discrimination part 11, whether or not the concentrated error is generated is discriminated by using a timer counter 12, and when the error detected in the error detection part 4 is generated continuously for more than a prescribed number without a prescribed time interval, it is discriminated that the concentrated error is generated. Thus, the property of the error such as whether the error is generated in concentration or is generated sporadically is recognized, a fault is segmented and the fault is solved in an early stage.
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