| PC-DCS关键技术研究 |
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| 引用本文： | 刘铭,施仁.PC-DCS关键技术研究[J].化工自动化及仪表,2002,29(2):34-37. |
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| 作者姓名： | 刘铭 施仁 |
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| 作者单位： | 西安交通大学,电信学院自动控制系,陕西,西安,710049 |
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| 摘 要： | 结合一个工控系统实例，介绍了一种PC－DCS系统数据刷新频率的方法，提出从使用智能通信卡，多串口通信，通信数据组织，以及测控仪表选型等全方位着手提高系统通信实时性的新思路。
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| 关 键 词： | 智能通信卡 RS－485 工业控制系统 PC－DCS |
| 文章编号： | 1000-3932(2002)(02)-0034-04 |
Key Technique Research of PC-DCS System |
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| LIU Min,SHI Ren.Key Technique Research of PC-DCS System[J].Control and Instruments In Chemical Industry,2002,29(2):34-37. |
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| Authors: | LIU Min SHI Ren |
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| Abstract: | The data refreshing frequency is always the bottleneck problem that restricts the scale and development of PC DCS system.Through a living example of industrial control,the achievements to improve data refreshing frequency of PC DCS system are introduced.A new train of thoughts to improve system communication ability by using smart communication card,multi serial port,communication data organization and selection of measurement instruments is given out. |
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| Keywords: | PC DCS smart communication card RS 485 |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
