| 摘要 |
<p>PROBLEM TO BE SOLVED: To inform only necessary information and to execute an appropriate monitoring. SOLUTION: An alarm window data base 22 saves information in an alarm window displayed in a display 9 by input points, and an alarm window state memory 21 saves an alarm window state displayed in the display 9. An alarm information preparation means 23 prepares information on state transition of alarm information of each input point and state transition of each alarm window and displays the prepared state transition of the alarm window and that of the alarm information on the display 9.</p> |
