| PLC-5后备通讯技术在锅炉控制系统中的应用 |
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| 引用本文： | 王丰.PLC-5后备通讯技术在锅炉控制系统中的应用[J].控制工程,2000,7(1):25-28. |
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| 作者姓名： | 王丰 |
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| 作者单位： | 王丰（唐山钢铁电子公司，063000） |
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| 摘 要： | 以75t/h锅炉控制系统为例.详细地阐述了与PLC-5的硬件安装、后备系统工作流程、软件设计及后备程序调试等有关的后备技术问题.从而有效地避免了PLC硬件系统故障造成的控制过程中断，实现了利用后备(冗余)通讯技术，进行连续，不间断的过程控制。
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| 关 键 词： | PLC-5，后备，冗余，热备，锅炉 |
| 修稿时间： | 1999年10月8日 |
Application of PLC-5 Backup Communication Technique in the 75 t/h Boiler Control System |
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| Wang Feng.Application of PLC-5 Backup Communication Technique in the 75 t/h Boiler Control System[J].Control Engineering of China,2000,7(1):25-28. |
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| Authors: | Wang Feng |
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| Abstract: | Taking the 75 t/h boiler control system as an example,some problems relating to the PLC-5 backup communication technique were stated in detail,such as the hardware installation .working process of backup system,software design and the backup program debugging to avoid the control process interruption caused by the PLC hardware failure,the backup (redundancy) communication technique is put into effect to realize the continuous process control withouht interruption. |
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| Keywords: | PLC-5 backup redundancy hot standby boiler |
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