| 摘要 |
PROBLEM TO BE SOLVED: To provide a control program maintenance device for improving the maintenance quality of a control program, and maintenance work efficiency, and to provide a maintenance method of a control program.SOLUTION: A plurality of control devices 20, 30, the control program maintenance device 10, and a network 40 are provided. The control program maintenance device 10 is provided with a product tree being program configuration information, includes a comparison processing part for comparing and collating a control program of a comparison source with an uploaded comparison destination control program, and a display processing part for marking a different place of a program of a comparison object range on a graphic screen to perform a comparison display, and develops and displays a mismatching place of the control program with reference to the product tree to display the mismatching place on the graphic screen in a visually recognizable manner.SELECTED DRAWING: Figure 1 |
