文章简要介绍了DCS系统结构及本系统中现场控制站的组成， 重点阐述了该系统中网络通信任务的设计和实现过程， 并给出了主要的程序代码。实测表明， 程序运行稳定可靠，系统性能达到了设计要求。-The article briefly introduced the structure of the DCS system and the system controller in the composition of the scene, focusing on the task of Network Co