There exists great limitations in architecture and performance on open nc based on PC.
以PC为基础的开放式数控系统在结构和性能上都存在很大局限性。
The performance test demonstrates that the speed of soft PLC is much higher than that of common PLC. The further soft PLC application in open nc system can use this work for references.
对软plc的性能测试表明，软plc的执行速度较硬plc有了大幅度提高，为软plc在开放式数控系统中的应用提供了借鉴。
It also introduces the open NC system based on PC and some products, especially introduces the PMAC motion controller.
介绍了基于PC的开放式数控系统，以及一些集中体现了现代运动控制技术的产品。其中着重介绍了PMAC多轴运动控制器。
After example validating, the macro program wrote with macro instruction system designed in this dissertation can run well in open NC system.
经过实例验证，使用本文设计的宏指令系统编制而成的宏程序，完全可以在开放式数控系统上正确运行。
According to modularization designs for open NC system, one kind of hardware design and analysis method is introduced, which bases on DSP and CPLD to develop the motion controller.
针对开放式数控系统体系模块化设计问题，介绍了一种基于DSP和CPLD的运动控制器的硬件设计和分析方法。
According to modularization designs for open NC system, one kind of hardware design and analysis method is introduced, which bases on DSP and CPLD to develop the motion controller.
针对开放式数控系统体系模块化设计问题，介绍了一种基于DSP和CPLD的运动控制器的硬件设计和分析方法。
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