Patent ID: 9098289
Filing Date: 2015-08-04
Classification: G05B,G06F

Abstract:
1. A ladder program creation device comprising: a display unit that displays an editor screen used to create a ladder diagram; a touch panel that is provided to overlap on the display unit; an operation detection unit that detects an operation performed on the touch panel; a display control unit that causes the display unit to display a representative icon corresponding to one of programming items that are insertable into the ladder diagram within the editor screen, and that causes the display unit to display a display box in which one or more derived icons corresponding to other programming items that are insertable into the ladder diagram are arranged around the representative item, when the operation detection unit detects a touch operation on the touch panel at a position where the representative icon is displayed; and a processing execution unit that, when the operation detection unit detects that a finger having performed the touch operation or a finger having performed the touch operation and then slid is lifted off the touch panel, inserts the programming item corresponding to the representative icon or the derived icon displayed at a position where the finger is detected to be lifted off the touch panel, into the ladder diagram.