Patent ID: 9176734
Filing Date: 2015-11-03
Classification: G05B,G06F

Abstract:
1. A ladder program creation apparatus comprising: a command listing table storage configured to store a command listing table, the command listing table registering a standard command and a custom ladder command that constitute a ladder program; a custom ladder command creation screen configured to create the custom ladder command based on an operation by a user typing an arithmetic equation on the custom ladder command creation screen; a custom ladder command storage controller configured to register the custom ladder command, which has been created by the custom ladder command creation screen, and the standard command in the command listing table; and a ladder program creation screen configured to display a command display area and a program editing area, the command display area displaying names of the standard command and the custom ladder command that have been registered in the command listing table, the program editing area being constituted to create a desired ladder program by dragging and dropping a desired command selected from the standard command and the custom ladder command displayed in the command display area.