| RS-485总线在黑龙江北引供水自动化系统中的应用 |
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| 引用本文： | 张华章. RS-485总线在黑龙江北引供水自动化系统中的应用[J]. 水利水文自动化, 2004, 0(4): 43-46 |
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| 作者姓名： | 张华章 |
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| 作者单位： | 水利部南京水利水文自动化研究所,江苏,南京,210012 |
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| 摘 要： | RS-485能实现多设备联网，能进行较长距离通信，故在黑龙江省北引供水自动化系统(简称北引系统)中得到应用。详细介绍了RS-485在北引系统中的网络配置、总线匹配、传输距离、抗雷击措施等内容，同时阐述了用RS-485组网时应注意的若干问题。从初步使用来看，RS-485总线具有的特性，在系统运行中得到了充分的体现。
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| 关 键 词： | RS-485 总线 网络配置 传输距离 抗雷击 应用 |
| 文章编号： | 1672-3279(2004)04-0043-04 |
Application of RS -485 Bus in Automatic System for Northern Water- diversion in Heilongjiang Province |
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| ZHANG Hua-zhang. Application of RS -485 Bus in Automatic System for Northern Water- diversion in Heilongjiang Province[J]. Automation in Water Resources and Hydrology, 2004, 0(4): 43-46 |
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| Authors: | ZHANG Hua-zhang |
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| Abstract: | As it can realize multi -equipment network creation and long -distance communication,RS -485was applied in Automatic System for Northern Water -diversion in Heilongjiang Province(thereafter northern water diversion system).This article introduces network configuration,bus matching,transmi ssion distance,and lightning -proof measures of RS -485in this system,as well as some noticeable problems in RS -485network creation.From preliminary applica tion,characteristics of RS -485bus were fully manifested in this system. |
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| Keywords: | RS -485 bus network configuration transmission distance lightning-proof |
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