一个数控系统模块，基于控制卡的控制系统程序，有二维直线插补、圆弧插补、快速点动功能，还有图形显示，能够实时显示加工路径。-A numerical control system module, based on control card control system program, there are two-dimensional linear interpolation, circular interpolation, fast jog, but also a graphic display