| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a plant monitor controller for safely monitoring the operating status of a plant in an operating interface device(OIS). <P>SOLUTION: A graphic screen 301 showing a current status and a graphic screen 302 showing a status at the same time on the pervious day are simultaneously displayed on one screen of The CRT display device of an OIS. Thus, it is possible to easily confirm whether or not the current status of the equipment or facility of a plant is the same as a certain specific date and time, that is, the status at the same time on the previous day. Thus, it is possible to safely monitor the operating status of a plant by assisting an operator to judge that the operating status of the plant is abnormal. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
