To clearly grasp the relationship between alarms and a production time and can execute various statistical processings in response to the desire of an operator by a method wherein the ratio of the number of occurrences to the total number of occurrences of alarms is displayed under the conditions being collected and classified by time zones, used resins or production schedules.
An example refers to an alarm analyzing period limited from the 5th of Feb. 1997 to the 4th of Aug. 1997, a classified item selected by machines is explained displaying on the picture plane of a monitor. In the left side field of a numerical displaying column displayed on the left side of the upper half part of an alarm analyzing picture plane, a Machine NoX is displayed. The number A, (X) of occurrences of alarm in response to the Machine NoX and the ratio D1(X) of the alarm stopping time to the total operating time the Machine NoX are displayed side by side. The number A1(X) of occurrence of alarm in response to respective Machine NoX is displayed in bar graphs in a vertical axis direction by taking NoX as an abscissa.
NEKO TETSUAKI
OGAWA NORIKO
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