| 基于Modbus协议的多机通信系统的设计与实现 |
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| 引用本文： | 孔令彬,黄敏.基于Modbus协议的多机通信系统的设计与实现[J].电子技术,2009(10):15-17. |
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| 作者姓名： | 孔令彬 黄敏 |
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| 作者单位： | 中国地质大学,机电学院 |
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| 摘 要： | 在采用嵌入式微处理器S3C2440X芯片为核心的基础上，扩展外围硬件，裁剪移植WinCE操作系统，利用S3C2440X芯片的多串口特性设计了基于Modbus协议的ARM9核心板与多单片机及西门子PLC主控机串行通信的多机通信系统，介绍了基于RS-485总线技术的多机通讯的原理，提供了多机通信系统的硬件电路图和软件设计方案，将此多机通信系统应用到电梯的控制系统中，提高了电梯控制系统的效率。
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| 关 键 词： | 多机 串行通信 ARM9 Modbus RS-485 |
Design of Multi-Computer Communication System Based on Modbus Protocol |
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| Kong Lingbin,Huang Min.Design of Multi-Computer Communication System Based on Modbus Protocol[J].Electronic Technology,2009(10):15-17. |
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| Authors: | Kong Lingbin Huang Min |
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| Affiliation: | Kong Lingbin Huang Min(College of Mechanical and Electronic Information,China University of Geosciences) |
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| Abstract: | On the basis of using embedded microprocessor S3C2440X as the CPU through expanding peripheral hardware, cutting and transplanting WinCE operating system a multi-computer communication system is designed utilizing the multi-serial port characteristics of S3C2440X.The system is based on Modbus protocol and implements the serial communications between ARM9 main board and multi MCUs and Siemens PLC main control computer.This paper expatiates on the principle of multi-computer communications, provides the circu... |
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| Keywords: | ARM9 Modbus RS-485 |
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