| 摘要 |
<p>PURPOSE:To correctly analyze the cause of the occurrence of trouble by storing previously the number of an inputting means operated by an operator in the order of operation, and outputting this stored contents. CONSTITUTION:When work start instruction is inputted, a central processing unit 33 stores the number of various kinds of switches, etc. to be operated hereafter in an operation information memory 32 in time series. Such operation information is stored continuously until the trouble occurs. Accordingly, when the trouble occurs, the operation information till then can be displayed on a display device 34, and the presence of an operation mistake can be analyzed according to displayed contents. Thus, the cause of the trouble can be correctly analyzed.</p> |
