| 摘要 |
<p>PROBLEM TO BE SOLVED: To permit an operator to grasp which kind of symbol or character are displayed in which kind of operation state in a plant by normally displaying a test display screen in CRT. SOLUTION: Respective detection signals outputted from respective detecting equipments are processed based on the operation contents of an operation pannel 2, a plant state screen indicating the state of the plant is generated so as to be displayed in CRT 5 and also the control signal is generated so as to control respective equipments. When a test display icon indicating the test display of the plant state screen, which is displayed in CRT 5, is hit, the test display screen where the symbol and the character, etc., indicating the occurrence of abnormality in the plant are displayed as the pseudo ones is displayed by a simulation function. Thus, the variable symbols and the character, etc., which are not normally displayed are displayed so that which kind of symbol and character, etc., are displayed in a whole monitor screen is recognized at a glance.</p> |
