具有步进电机控制和定标器功能的 PC 机接口板

A step-motor control and data acquisition system based on PC

研制了具有步进电机控制和定标器两种功能的ＰＣ机接口板，编写了相应的驱动程序，并在北京同步辐射实验室（ＢＳＲＦ）形貌学实验站用于四刀狭缝的控制和衍射数据的获取。

A new PC interface designed for step-motor control and timer-scaler is described.It has been used in the BSRL topography station for slit control and XSW experximent data acquisition.The hardware,software and their applications are discussed.