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PROFIBUS-DP现场总线通讯转换接口的开发
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针对工业控制中存在的不同设备间难以进行通讯转换的问题，开发了一种 PROFIBUS-DP 现场总线通讯转换接口，它能使具有RS485 接口的装置作为从站连接到 PROFIBUS-DP 网络，完成通讯和控制功能。本文主要介绍了PROFIBUS-DP 通讯转接口的
硬件及软件的实现。
关键字：PROFIBUS-DP 接口 SPC3 单片机
The Development of PROFIBUS-DP Communication Transform Interface Zhou Xiao-hui, Meng Yan-jing, Xu De-yu (College of Electric and Electronic Engineering; Shaanxi University of Science & Technology; Xianyang; Shaanxi; 712081) Abstract: In view of the communication transform problem in the industry control, a PROFIBUS-DP communication transform interface is developed. This interface can connect the device that provided with RS485 interface to the PROFIBUS-DP, and carry out communication and control functions. In this paper, designing method of the hardware and software is discussed about PROFIBUS-DP communication transform interface.
Key words: PROFIBUS-DP; interface; SPC3; single chip computer
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