基于ARM7微处理器的Modbus通信的实现  

Realization of Modbus Communication Protocol Based on ARM7 Microprocessor

作　　者：吕国华[1] 程广河[1] 房立镇[2] 

机构地区：[1]山东省计算中心,济南250014 [2]山东轻工业学院,济南250353

出　　处：《信息技术与信息化》2010年第5期45-47,60,共4页Information Technology and Informatization

摘　　要：Modbus协议源于最古老的RS-232/RS-485串行通信,通过Modbus协议可以实现多种不同产商设备之间的互连通信,如今该协议已经广泛应用于工业自动化的各个领域。本文主要介绍如何实现ARM开发板与PC机之间的Modbus通信,并重点阐述了通信实现的硬件平台和软件实现方法。Modbus protocol is derived from the most ancient RS-232/RS-485 serial communication.By modbus communication protocol,many different devices made by different producers can connect and communicate with each other.And now the protocol has been widely used in various fields of industrial automation.This article describes how to achieve the Modbus Communication between the ARM development board and PC-communication,and mainly analyzes the approaches to realize the hardware platform and software implementation.

关 键 词：MODBUS通信协议 ARM 串行通信 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]