| 摘要 |
PURPOSE:To grasp information including an error being a cause to retrial by a controller by applying statistic processing to error information the same as an error report in case of a retrial report and storing the result in the inside. CONSTITUTION:A processing state decision means 25 decides whether or not an error statistic processing is applied based on error information from a device 3(i). An error end notice means 33 generates a signal E1 displaying the fault of recovery with the device 3 (i) acting retrial due to the error recovery caused during the execution of prescribed operation and a retrial generation notice means 34 generates a signal EO representing the normal end at the retrial. In case of a retrial generation notice signal, the error statistics result based on the error information is stored in the inside, any error information is grasped including the cause to the retrial by the controller and a potential error cause is found out in advance.
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