| 基于CP341模块的MODBUS协议免驱动应用 |
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| 引用本文： | 边凌燕. 基于CP341模块的MODBUS协议免驱动应用[J]. 电气传动, 2009, 39(2) |
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| 作者姓名： | 边凌燕 |
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| 作者单位： | 南京工业大学,信息科学与工程学院,江苏,南京,210009 |
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| 摘 要： | 介绍了在SIEMENS PLC控制系统中利用CP341模块编程实现Modbus RTU Master/Slave通信的应用.分别建立PLC作从机与DCS的通讯,及作主机与现场仪表的通讯,传送的数据是可靠有效的,实际应用结果表明,此方案免除了购买SIEMENS公司Modbus协议驱动模块的额外开销,具有值得推广的经济意义.
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| 关 键 词： | Modbus协议 串行通讯 CP341通讯模块 |
Non-driver Application of Modbus Protocol Based on CP341 Module |
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| BIAN Ling-yan. Non-driver Application of Modbus Protocol Based on CP341 Module[J]. Electric Drive, 2009, 39(2) |
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| Authors: | BIAN Ling-yan |
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| Affiliation: | College of Information Science and Engineering;Nanjing University of Technology;Nanjing 210009;Jiangsu;China |
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| Abstract: | The realization of Modbus RTU Master/Salve protocol based on SIEMENS CP341 point-to-point communication module was focally described.In a practical packaging control system,PLC with Modbus RTU Master/Slave protocol is connected to local instruments and DCS,and data is transmitted reliably and effectively.This scheme has promoting economic significance,for avoiding the expense of SIEMENS driver module of Modbus protocol. |
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| Keywords: | Modbus protocol serial communication CP341 communication module |
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