根据集散式离子渗氮自动控制系统的人机交互要求 ,分配上位机和下位机的监控工作 ,分别设计了上、下位机的输入输出方法及支持的硬件和软件 ,满足了离子渗氮自动控制系统中上、下位机各自的监测和控制要求 ,提高了操作的灵活性和控制的可靠性 .重点考虑了如何确定人机界面应设定哪些参数 ,及上、下位机如何分配这些参数的设定 . According to the requirement of man-machine interaction of distributed ion nitriding automatic control system, the monitoring work of upper computer and lower computer is assigned, and the input and output methods of upper and lower computer and the hardware and software are respectively designed to satisfy the automatic control of ion nitriding The upper and lower computer system monitoring and control requirements, improve the operational flexibility and control of the reliability of the key considerations how to determine the man-machine interface should be set to what parameters, and on the next crew how to assign these parameters Set.