| 提高RS-485总线工控网络通信可靠性的措施 |
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| 引用本文： | 靳越.提高RS-485总线工控网络通信可靠性的措施[J].张家口职业技术学院学报,2005,18(1):39-41. |
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| 作者姓名： | 靳越 |
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| 作者单位： | 张家口职业技术学院,河北,张家口,075000 |
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| 摘 要： | RS-485总线标准抗噪声干扰性好,最大传输距离达1200m,具有较高的传输速率,在多点通信系统尤其是在工业控制系统中得到了广泛的应用.由于工业现场环境一般较为恶劣,存在多种干扰,为此,对于基于RS-485总线网络的多机系统通信,必须通过采取正确的总线型串接方式、隔离与屏蔽技术、电源干扰的抑制与接地技术以提高其通信可靠性.
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| 关 键 词： | 半双工 可靠性 隔离 屏蔽 |
| 收稿时间： | 2004-10-11 |
| 修稿时间： | 2004年10月11 |
On Reliability of Communication Based on RS-485 Bus |
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| JIN Yue.On Reliability of Communication Based on RS-485 Bus[J].Journal of Zhangjiakou Vocational College of Technology,2005,18(1):39-41. |
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| Authors: | JIN Yue |
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| Abstract: | In view of the characteristics of RS-485-Bus-based industrial control network, and bad state of locale industry environment,this paper analyses the factors effecting reliability of network communication,and puts forward some all-purpose and double hardware measures to guarantee communication reliability. |
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| Keywords: | RS-485 |
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