| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a screen display method which continuously displays an entire plant and displays a screen in an arbitrary range and zooms a display image. <P>SOLUTION: This plant monitoring control device is provided with: a screen operation input processing means 11 for accepting an operation input from an input/output device 2 by an operator; a screen display processing means 12 for displaying a screen according to the operation instruction; and a plotting database 15 for displaying the screen. The plotting database 15 is provided with screen data 22 composed of a schematic diagram of the whole plant as one screen data and display level data 23 with a method of changing screen display content due to zoom display is defined about each display item plotted on the screen on a virtual region screen which is larger than a display frame of a display device, and the schematic diagram is displayed according to the screen display region and display level instructed by the operator. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
