Hardware consists of microcomputer, stepping motor control card, stepping motor driver and stepping motor and so on.
硬件由微机、步进电机控制卡、步进电机驱动器和步进电机等器件组成。
The article exploits a special NC system based on DOS, choosing PCL-839 3-axis stepping motor control card, and analyzes the expansibility of the card.
文章采用PCL-839三轴步进电机控制卡开发了一套基于DOS的专用数控系统，并对该控制卡功能的扩展进行了分析。
One kind of stepping motor control card based on ISA bus of PC which achieved multi-spindle linkage control is introduced, its principle and design of hardware construction and software are discussed.
介绍了一种基于PC机的IS A总线步进电机控制卡，实现多轴联动控制，讨论了其工作原理和硬件结构设计、软件设计。
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