LADDER DIAGRAM PREPARING METHOD AND DEVICE, LADDER PREPARATION SUPPORTING PROGRAM AND RECORDING MEDIUM FOR RECORDING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a ladder preparation supporting program capable of reducing input works of device numbers and inserting works of ladder instructions included in communication protocol set in a link unit when preparing a ladder diagram by using a computer.;SOLUTION: By performing drag-and-drop or the like for each column of a transmission starting relay column 143, a transmission leading DM address column 144 for variable conversion, a reception collation relay column 146 and a reception leading DM address column 147 for variable conversion on a macro set screen 140 superposed and displayed on a ladder diagram preparation screen 150 of a display 92 from a device number to a desired position on a ladder diagram display screen by using a mouse (non-illustration), attribute information on a drag origin, that is, a DM or relay device number and macro comment are automatically displayed together with a ladder symbol on the ladder diagram preparation screen 150.;COPYRIGHT: (C)2002,JPO