| 基于EXTR指令的PLC与变频器通信程序设计 |
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| 引用本文： | 余文培. 基于EXTR指令的PLC与变频器通信程序设计[J]. 自动化技术与应用, 2012, 31(7): 86-88 |
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| 作者姓名： | 余文培 |
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| 作者单位： | 广东省湛江市第二技工学校,广东 湛江,524001 |
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| 摘 要： | 本文主要阐述了在FX2N系列的PLC中,应用FX2N-ROM-E1功能扩展存储器盒的扩展功能指令EXTR来编制PLC和变频器的串行通信程序。改善了以往应用RS功能指令编程方法的繁杂,使通信程序的编写变得更加简单便捷,增强了程序的可读性,同时也使程序的调试、运行变得更加容易和可靠。
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| 关 键 词： | EXTR PLC 变频器 通信 程序设计 |
Program Design of PLC and Inverter Communication Based on EXTR Instructions |
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| YU Wen-pei. Program Design of PLC and Inverter Communication Based on EXTR Instructions[J]. Techniques of Automation and Applications, 2012, 31(7): 86-88 |
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| Authors: | YU Wen-pei |
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| Affiliation: | YU Wen-pei ( The Second Technical School, Zhanjiang 524001 China ) |
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| Abstract: | this paper describes the edition of serial communication program of PLC and inverters in PLC of FX2N series by using of expansion function instruction EXTR of FX2Z-ROM-EI function expansion memory box. It makes simpler than traditional editional method by using of RS function instruction. The edition is simpler and more convenient. Moreover, it enhances the readability of the program, and the program＇s debugging and running is more easy and reliable. |
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| Keywords: | EXTR PLC inverter communication program design |
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