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利用PIC单片机和Max1480进行数据采集的通讯
引用本文:罗勇,贾建华,黄俊杰.利用PIC单片机和Max1480进行数据采集的通讯[J].自动化与仪表,2007,22(4):39-44.
作者姓名:罗勇  贾建华  黄俊杰
作者单位:郑州大学,电气工程学院,郑州,450001
摘    要:利用PIC单片机和Max1480建立了数据采集系统的485通讯网络。设计了单片机和微机通讯的硬件电路,并自定义网络通讯协议,在此基础上开发了通讯收发程序。利用HC单片机地址监测功能,建立多主机通讯,实现可靠的数据采集通讯,为煤矿安全生产提供可靠保障。

关 键 词:数据采集  485串行通讯  PIC单片机
文章编号:1001-9944(2007)04-0039-06
修稿时间:2006-12-292007-04-11

Communication of Data Acquisition System Based on PIC Single-chip Microcomputer and Max1480
LUO Yong,JIA Jian-hua,HUANG Jun-jie.Communication of Data Acquisition System Based on PIC Single-chip Microcomputer and Max1480[J].Automation and Instrumentation,2007,22(4):39-44.
Authors:LUO Yong  JIA Jian-hua  HUANG Jun-jie
Affiliation:School of Electrical Engineering,Zhengzhou University,Zhengzhou 400051 ,China
Abstract:485 communication net based on PIC single-chip microcomputer and Max1480 was built in the paper,including the design of the circuit for communication between single-chip microcomputer and PC,and net communication protocol. Based on this,a communication program was developed,and a multi-host communication system was built by using the function of address inspecting of PIC single-chip microcomputer. This system is so reliable that it provides a safeguard for coal mine safety production.
Keywords:data acquisition  RS_485 serial data communication  PIC single-chip microcomputer unit
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