楼主可以参考一下这个链接进去看看西门子的例子文档！

例子1

https://support.industry.siemens.com/cs/document/47885440/%E5%A6%82%E4%BD%95%E9%80%9A%E8%BF%87%E5%B7%A5%E4%B8%9A%E4%BB%A5%E5%A4%AA%E7%BD%91cp%E5%9C%A8s7-300%E4%B8%8E-%E6%88%96s7-400%E4%B9%8B%E9%97%B4%E7%BB%84%E6%80%81iso-on-tcp%E4%BC%A0%E8%BE%93%E8%BF%9E%E6%8E%A5%E4%BB%A5%E5%AE%9E?dti=0&lc=zh-CN

例子2

https://support.industry.siemens.com/cs/document/90468023/%E4%BD%BF%E7%94%A8-open-communication-wizard-%E5%BB%BA%E7%AB%8B%E5%BC%80%E6%94%BE%E5%BC%8Fiso-on-tcp-%E9%80%9A%E4%BF%A1?dti=0&lc=zh-CN

基本上按照这个例子去做就可以了实现了！