参考资料如下: 涉及到的软件:TIA V15,PLCSIM, NETTOPLCSIM https://www.cnblogs.com/xiketang/p/12750806.html http://blog.sina.com.cn/s/blog_556b9e3c0102z4jw.html https://www.cnblogs.com/frogkiller/p/12346066.html https://blog.csdn.net/chengjl8/article/details/106709566/ 软件: http://nettoplcsim.sourceforge.net/