| 摘要 |
Without using any drawing command of a commercially available OS or library, screen information that will be screen elements has preliminarily been registered in a screen information database 11, and based on a touch position information 41 detected by a touch position detecting section 40, a request control of a display screen 31 or generation of a plant operation information is executed, as well as a registered screen information is fetched from the screen information database 11 to generate a display screen and a process data of a plant that is linked to the display screen 31 is read via a network 17. |
