| MELSEC－A在厂级联锁系统中的应用 |
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| 引用本文： | 吴德寅. MELSEC－A在厂级联锁系统中的应用[J]. 大氮肥, 1996, 0(6) |
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| 作者姓名： | 吴德寅 |
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| 作者单位： | 渭河化肥厂 |
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| 摘 要： | 结合渭河化肥厂厂级联锁系统的逻辑关系，分析了用ＭＥＬＳＥＣ－Ａ可编程控制器实现该联锁功能的系统硬件构成、系统特点及其与ＣＥＮＴＵＭ－ＸＬ系统之间的信息交换，并列举了部分装置跳车联锁的梯形图程序，总结了该系统的使用情况
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| 关 键 词： | 联锁 PLC DCS 硬件 |
APPLICATION OF MELSEC A IN PLANT SCALE INTERLOCK CONTROL SYSTEM IN LARGE CHEMICAL FERTILIZER PLANT |
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| Wu Deyin. APPLICATION OF MELSEC A IN PLANT SCALE INTERLOCK CONTROL SYSTEM IN LARGE CHEMICAL FERTILIZER PLANT[J]. Large Scale Nitrogenous Fertilizer Industry, 1996, 0(6) |
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| Authors: | Wu Deyin |
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| Abstract: | Combining logical relation of plant scale interlock in Weihe Chemical Fertilizer Plant,this paper analyzes the hardware configuration and features of system which uses MELSEC A programmable controller to realize the interlock function and its information excharge with the CENTUM XL system,enumerates briefly the gradient diagram of the tripping of some device and summarizes the application situation of the system. |
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| Keywords: | interlock PLC DCS hardware |
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