本文介绍了如何利用基于G 语言的图形化编程环境LabVIEW 建立对可编程序控制器虚拟对象进行控制的系统,并且针对其中典型控制对象进行说明。 关键词:LabVIEW, PLC , 虚拟对象 Abstract: The paper introduces how to build a System controlling PLC virtual objects by means of graphical programming environment-LabVIEW based on G language, and illuminates a representative control object. Keywords: LabVIEW, PLC, Virtual Object