| 摘要 |
<p>PROBLEM TO BE SOLVED: To execute picture display control on a remote man-machine interface(MMI) device with display contents and operability equal with display on the display device of supervisory and control system without providing the remote MMI device with programs concerning picture display reproducing processing or picture control processing as many as pictures provided for a main controller. SOLUTION: When an object change event is generated at the remote MMI device such as a subordinate supervisory display device B or a personal computer PC, object pressing event communication data are generated and transmitted to a main controller A. Based on these received data, the main controller A presses the same objects O1 and O2 of display operating part 6 and performs picture control processing similar to the case of operating a picture on the display operating part 6 of controller A. Besides, the window object data of new picture are transmitted to the remote MMI device. Thus, picture display control due to the main controller A can be executed on the remote MMI device.</p> |
