基于1394总线通信的I/O模块在数控系统中的应用  

Application of I/O Module Based on IEEE 1394 Bus in CNC System

作　　者：崔如娜[1] 李坤[1] 杨煜普[1] 

机构地区：[1]上海交通大学自动化系,上海200240

出　　处：《测控技术》2009年第12期68-71,共4页Measurement & Control Technology

基　　金：国家"973"计划基金资助项目(2004CB720703)

摘　　要：设计了一种基于IEEE 1394总线通信,应用于高档数控系统中的I/O控制模块。该模块采用IEEE 1394通信方式,实现上位机与机床之间的高速数据传输;采用光耦芯片对模块内部与外界进行隔离,并实现该I/O模块与机床之间的电平匹配,模数转换等功能。给出了软件和硬件设计,并进行了I/O模块功能测试和分析,验证了该模块满足高档数控系统要求数据传输的准确性和实时性。An IEEE 1394 bus based I/O module applied in high-grade CNC system is designed. This I/O mod- ule uses IEEE 1394 bus to implement the communication between PC and machine tool, and uses optocouplers to seclude itself from the outside, also solves the level matching and A/D transform with the connected machine tool. Both the hardware and software designs of I/O module are described. The communication experiments and analysis are given to validate that this I/O module satisfies the real-time and reliability standards of high-grade CNC system.

关 键 词：I/O模块 1394 数控系统 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]