| 基于Modbus RTU协议的FX3U PLC与变频器的通信设计 |
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| 引用本文： | 陈荷燕.基于Modbus RTU协议的FX3U PLC与变频器的通信设计[J].自动化应用,2014(12):37-40. |
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| 作者姓名： | 陈荷燕 |
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| 作者单位： | 南京工程学院,南京211167 |
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| 摘 要： | 介绍以三菱FX3U-32MR PLC为主站,三菱变频器FR-A740-3.7K-CHT为从站的变频调速控制系统。重点介绍基于Modbus RTU协议通信规格编写的PLC主站通信程序,以实现PLC与变频器之间的通信控制。
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| 关 键 词： | Modbus RTU通信协议 PLC 变频器 |
Design of Communication between FX3U PLC and Inverter Based on Modbus RTU Protocol |
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| CHEN He-yan.Design of Communication between FX3U PLC and Inverter Based on Modbus RTU Protocol[J].Automation Application,2014(12):37-40. |
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| Authors: | CHEN He-yan |
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| Affiliation: | CHEN He-yan (Nanjing Institute of Technology, Jiangsu 211167, China) |
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| Abstract: | The variable frequency speed regulating control system is introduced. The Mitsubishi FX3U-32 MRPLC is used as the host station and the FR-A740-3.7K-CHT is used as the slave station. The PLC host communication program based on Modbus RTU protocol is discussed in detail. The communication between PLC and inverter is implemented. |
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| Keywords: | Modbus RTU communication protocol PLC inverter |
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