This paper mainly describes a new method in the course of PLC program development,the input and output method of image modules,which is discussed from the design PLC application point of view,and this method can improve PLC Program\' Flexible.
主要从设计PLC应用程序的角度出发,详细地阐述了一种PLC应用程序柔性化设计的新方法——输入输出映像模块。