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TCP/IP协议栈在DNC数控加工网络中的研究
引用本文:马颖,宋玉贵. TCP/IP协议栈在DNC数控加工网络中的研究[J]. 机电工程技术, 2006, 35(2): 22-23,47
作者姓名:马颖  宋玉贵
作者单位:西安工业学院光电工程学院,陕西,西安,710032
摘    要:在使用DNC技术实现数控设备的联网时,基于TCP/IP协议的工业控制以太网具有一定的性价比优势,但是对于只有串行通讯接口的老式数控设备来说,应用这一技术就存在一定的困难。利用TCP/IP到RS232接口转换器可以解决协议转换的硬件接口问题,但是在实现DNC高级控制中又存在传输数据速度匹配的问题,基于对该问题产生的原因分析,提出了一种延缓的方法,该方法能够通过丢弃当前数据包来解决上述问题,此法的可行性已得到了试验的证实。

关 键 词:TCP/IP协议栈
文章编号:1009-9492(2006)02-0022-02
收稿时间:2005-08-11
修稿时间:2005-08-11

Research on TCP/IP Stack in DNC Numerical Control Network
MA Ying,SONG Yu-gui. Research on TCP/IP Stack in DNC Numerical Control Network[J]. Mechanical & Electrical Engineering Technology, 2006, 35(2): 22-23,47
Authors:MA Ying  SONG Yu-gui
Abstract:While we use the network of DNC technology numerical control equipment, Ethernet of industrial control based on TCP/IP stack has certain cost and performance advantages, but to the outdated numerical control equipment with serial communication interface, applying this technology has difficulties. The TCP/IP to RS232 protocol converter can solve the problem of hardware interface, but the issue of velocity-matching exists in realizing the advanced control of DNC, analyzing on the reasons of the problem, I have put a kind of method to delay.This method can solve above-mentioned problems by losing present data program and is confirmed by test.
Keywords:DNC  BS232
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