| PLC在变频闭环调速系统中的应用 |
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| 引用本文： | 李宁. PLC在变频闭环调速系统中的应用[J]. 价值工程, 2011, 30(7): 151-153 |
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| 作者姓名： | 李宁 |
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| 作者单位： | 西安航空职业技术学院,西安,710089 |
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| 摘 要： | 本文以西门子s7-200PLC、变频器和旋转编码器组成的交流变频闭环调速系统为例,介绍了基于PLC的变频闭环调速系统的工作原理、设计与实施方法,阐述了PLC在变频闭环调速控制系统中应用和实施过程的关键技术,并指出了系统在设计与实施过程中中应注意的问题。
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| 关 键 词： | PLC 变频器 旋转编码器 交流闭环调速 |
Application of PLC in Variable Frequency Closed Loop System |
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| Li Ning. Application of PLC in Variable Frequency Closed Loop System[J]. Value Engineering, 2011, 30(7): 151-153 |
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| Authors: | Li Ning |
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| Affiliation: | Li Ning(Xi’an Aeronautical Polytechnic Institute,Xi’an 710089,China) |
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| Abstract: | Taking the AC variable frequency closed-loop speed control system composed of Siemens s7-200PLC, inverter and rotary encoder as an example, this paper introduced the working principle, design and implementation methods of frequency closed loop ystem of PLC, described the key technologies in the application and implementation process of PLC in frequency closed loop system, and pointed out the problems should pay attention to in the design and implementation process. |
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| Keywords: | PLC |
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