| 摘要 |
<p>PROBLEM TO BE SOLVED: To accurately and quickly attain the monitoring and a countermeasure of a plant at the time of the rapid change of the plant. SOLUTION: A monitor function starting function 13a of a logic trend function 13 displays the control logic of an arbitrarily designated logic number controlled by a controller 14 and a monitor value calculated by the control logic on a logic monitor screen 11. A logic designating function 13b extracts the logic information of the logic number arbitrarily designated on the logic monitor screen 11 from a whole logic information storing function 13e. A trend target signal extracting function 13c generates a request target signal group 13f based on the extracted logic information, and transmits it to the controller 14, and successively receives the present value information from the controller 14 as trend data. A trend graph screen displaying function 13d displays the present value information of the trend graph display on a logic trend screen 12 from the request target signal group 13f and the trend data from the controller 14.</p> |
