基于Modbus/TCP的配电网自动化远方终端设计  

Data Transfer Unit Based on Modbus/TCP for Power Distribution System

作　　者：赵斌斌[1] 彭道刚[1] 宋磊[1] 黄义超 朱灏[1] 胡迅[1] 

机构地区：[1]上海电力学院自动化工程学院上海发电过程智能管控工程技术研究中心,上海200090 [2]上海翔骋电气设备有限公司,上海201900

出　　处：《计算机测量与控制》2015年第11期3800-3803,共4页Computer Measurement &Control

基　　金：上海市"科技创新行动计划"高新技术领域科研项目(15111106800);上海市发电过程智能管控工程技术研究中心项目(14DZ2251100);上海市电站自动化技术重点实验室开放课题(13DZ2273800)

摘　　要：配电自动化系统的不断改造和提升,是建立在配电自动化终端设备不断发展的基础上;配电自动化远方终端(DTU)装置是配电自动化系统中的基础设备;从数据通信稳定的角度出发提出了将Modbus/TCP通信协议与STM32微处理器相结合的设计方案;介绍了系统的总体构架和Modbus/TCP的通信协议内容,设计了以太网电路接口;在嵌入式实时操作系统μC/OS-II上实现了基于Modbus/TCP的通信协议客户机端和服务器端的通信;实验结果表明,该配电自动化远方终端可靠的实现了数据信息的稳定传输。The continuous reformation and upgrade of power distribution automation system are based on the constant development of its terminal equipment.DTU is the basic device in the power distribution automation system.This paper presents a design combined Modbus/TCP communication protocol and STM32 microprocessor from the perspective of data communication stability.This paper has introduced the overall framework of the system and the contents of Modbus/TCP communication protocol,and designed the Ethernet circuit interface.Under the embedded system,the operating systemμC/OS-II achieved the data communication between the client and server based on Modbus/TCP communication protocol.The experiment shows that this Data Transfer Unit can reach the stability and reliability of data and information transmission.

关 键 词：配电网自动化 远方终端 通信协议 嵌入式 以太网 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]