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。

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.

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相对于LED大屏幕显示器视频控制卡，脱机控制卡在软件实现上需要做较多复杂的工作。

Software realization of LED Large Screen Display Offline Control card needs much complex work compared with that of video card.

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该试验台采用了商品化的微型工作台、高速空气涡轮主轴、直线型超声电机和基于PC的控制卡。

The test-bed utilizes commercially available micro stages, a high-speed air turbine spindle, and linear ultrasonic motors and PC-based control board.

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