CoDeSys是可编程逻辑控制PLC的完整开发环境（CoDeSys是Controlled Developement System的缩写），在PLC程序员编程时,CoDeSys为强大的IEC语言提供了一个简单的方法，系统的编辑器和调试器的功能是建立在高级编程语言的基础上（如Visual C++）。(CoDeSys is a complete development environment of programmable logic control PLC (CoDeSys Controlled Developement System), in PLC programmers, CoDeSys provides a simple method for the powerful IEC language, system editor and debugger function is based on high level programming language (such as Visual C++).)