总线技术与PC机结合的通信系统设计  

Design of Communication System of Bus Technology Combined with PC

作　　者：马靳鲜 魏胜利[2] 

机构地区：[1]安阳市信息中心,河南安阳455000 [2]安阳工学院,河南安阳455000

出　　处：《计算机测量与控制》2013年第7期1963-1965,1974,共4页Computer Measurement &Control

基　　金：国家科技重大专项课题(2012zx04011-012)

摘　　要：本课题基于某矿山设备监控系统的通信方式,详细描述了基于局域网和RS485总线结合的通信方法,局域网部分着重讨论PC机的串口通信方式,文章最核心的部分是讨论了RS485总线与PC机结合的通信方式的硬件设计、通信协议和上位主机的软件设计,并且针对设计中可能出现的通信不可靠的问题进行讨论修改,其中硬件设计方面包括PC机连接RS485总线的连接方式和采取措施,通信协议设计方面着重于数据包的格式规范,软件设计则着重于消息的可靠传输方面。This topic is based on the way of communication of a mining equipment monitoring system, describe the communication meth- od based on the combination of LAN and RS485 bus in detail, LAN part focused on the PC＇s serial port communication, core part of article is to discuss the design of RS485 bus combined with the PC communication hardware, software design of communication protocols and host discussions modify, and u/areliable communication problems that may arise in the design, hardware design including the PC connected to the RS485 bus connection and take measures for communication, protocol design focuses on the packet format specification, software design focu- ses on the reliable transmission of messages.

关 键 词：RS485总线 通信系统 通信协议 串口通信 可靠传输 

分 类 号：TP302[自动化与计算机技术—计算机系统结构]