| 摘要 |
<p>PURPOSE: To reduce operator's operation on a man-machine device of a plant monitor and control system by displaying plant operation switches on a display screen in a style corresponding to the state. CONSTITUTION: The plant monitor and control system for monitoring plant equipment according to screen information on a display device has a touch panel 2 installed on the display screen of the display device 1 and a man- machine controller 11 equipped with an information processing part 5 which inputs plant information on the plant equipment 13 from a sequence controller 12, a touch panel input processing part 3, and a screen output processing part 4 which generates a system diagram, etc., with the coordinate signal of the touch panel input processing part and the output of the information processing part, and the man-machine controller 11 judges whether or not the operation switch of the plant equipment is operated from the operation state of the plant equipment and displays a switch for disabling or inhibiting the operation in an inactive state. An operator judges whether or not the operation switch can be operated before operation, so that unnecessary switch operation is eliminated.</p> |
