PLC PROGRAMMING METHOD AND SYSTEM USING THE SAME

摘要

PURPOSE: A PLC programming method and system using the same are provided to enable a user to understand and make the entire structure of a PLC program more easily compared with a text-based IL(Instruction List) language and a symbol-based LD(Ladder Diagram) language. CONSTITUTION: A diagram editing module(110) is driven in a user terminal, displays a diagram selecting menu including a predetermined phase, and is arranged at the position at which a user defines a diagram selected in the diagram selection menu. A program making module(120) makes a program by connecting the phase for each diagram according to the position relationship of the diagrams.