| 一种实用的远距离数据通讯技术 |
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| 引用本文： | 尹尔为,耿江涛.一种实用的远距离数据通讯技术[J].自动化与仪表,1994,9(3):35-38. |
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| 作者姓名： | 尹尔为 耿江涛 |
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| 作者单位： | 洛阳工学院电气系 |
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| 摘 要： | 针对以ＩＢＭ－ＰＣ及其兼容机做为上位机，以ＳＴＤ系列工控机做为下位机组成的工业控制系统，介绍一种远距离实时通讯方案。并讨论了通讯硬件接口电路及软件的设计方法。实际应用证明，该通讯系统简单可靠，能满足实时控制的要求。
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| 关 键 词： | 分布式计算机控制系统，串行通讯，20mA电流环 |
A Practical Long Distace Data Communication Technology |
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| Yin Erwei.A Practical Long Distace Data Communication Technology[J].Automation and Instrumentation,1994,9(3):35-38. |
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| Authors: | Yin Erwei |
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| Abstract: | A method of real-time data communication used in long distance is presented and the design of the hardware and sorftware for communication interface is discussed in this paper. The result from practical application shows that the communication system is simple and reliable,and can meet the needs of real-time control process. |
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| Keywords: | distributed computer control system serial communication 20mA current circuit |
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