本规范定义串行现场总线的技术和功能特性。 串行现场总线主要用来连接数字现场设备 或中、低功能的系统，如传感器、执行机构、变送器、可编程序控制器（PLC） 、数控装置 （NC） 、编程设备、本地人机接口等。-This specification defines a serial field bus technology and features. Serial field bus is mainly used to connect digital field devices or medi

数控电源和以实现仿真过程，采用c语言编程，效果很好大家可以-Numerical control power supply and to achieve the simulation process, the use of c language programming, the effect is very good as you can see