| 摘要 |
<p>PURPOSE:To reduce running operation by storing items which are displayed after the generation of events corresponding to respective events and altering the content of a trend graph in the display item corresponding to the event when the generation of the event is detected. CONSTITUTION:The items and the like displayed in a trend screen at the time of generating respective events are stored in the display item table 42 of a storage device 4, and a data collection means 31 causes the preservation means 41 of the device 4 to preserve process data from an input device 2 and outputs it to an event detection means 34. If the means 34 detects the generation of the event, it informs an automatic display and switching means 35 of it and outputs an event number to the table 42. The table 42 outputs display item data corresponding to the event number to the means 35, which sets the content of data and switches the screen of a display editing means 33.</p> |
