| 基于Modbus RTU协议的数字智能模块的设计 |
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| 引用本文： | 黄育和,程韬波.基于Modbus RTU协议的数字智能模块的设计[J].机电工程技术,2007,36(5):38-40,58. |
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| 作者姓名： | 黄育和 程韬波 |
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| 作者单位： | 广东省科学院自动化工程研制中心,广东广州,510070 |
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| 摘 要： | 首先简要介绍了Modbus协议,并阐述了基于高性能单片机P89V51RD2的数字智能模块硬件结构和软件设计.最后,详细地描述了Modbus RTU协议从站的单片机程序实现.数字智能模块成功地应用于工业测控系统,其功能得到工程验证,说明设计合理.
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| 关 键 词： | 单片机(MCU) Modbus RTU协议 循环冗余校验 Modbus 数字智能 模块 设计合理 Protocol based Module Intelligent Digital 工程验证 功能 工业测控系统 应用 程序实现 从站 描述 软件设计 硬件结构 单片机 高性能 |
| 文章编号： | 1009-9492（2007）05-0038-03 |
| 修稿时间： | 2007-01-10 |
Design of the Digital and Intelligent Module based on Modbus RTU Protocol |
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| HUANG Yu-he,CHENG Tao-bo.Design of the Digital and Intelligent Module based on Modbus RTU Protocol[J].Mechanical & Electrical Engineering Technology,2007,36(5):38-40,58. |
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| Authors: | HUANG Yu-he CHENG Tao-bo |
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| Abstract: | Firstly, MODBUS protocol is described briefly. Then the digital and intelligent module based on the high performance P89V51RD2 series MCU is presented, including detailed hardware composition and software design. Lastly, how to design the slaves communication program in MCU under the circumstance of MODBUS RTU protocol is introduced in detail. The digital and intelligent module was applied successfully to the measuring and controlling system. The technical specification is fulfilled completely and the design of the module is reasonable. |
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| Keywords: | Microcontroller Unit (MCU) Modbus RTU Protocol Cyclical Redundancy Check (CRC) |
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