应用于核电站DCS的PROFIBUS-PA现场总线接口电路设计  

PROFIBUS-PA Field Bus Interface Circuit Design for DCS in Nuclear Power Plant

作　　者：杨程 张焕欣 姜智锐 史雄伟[1] 张晓冬 YANG Cheng;ZHANG Huan-xin;JIANG Zhi-rui;SHI Xiong-wei;ZHANG Xiao-dong(China Techenergy Co.,Ltd.,Beijing 100094,China;Shanghai CGN Engineering Technology Co.,Ltd.,Shanghai 200241,China)

机构地区：[1]北京广利核系统工程有限公司,北京100094 [2]上海中广核工程科技有限公司,上海200241

出　　处：《自动化与仪表》2020年第9期93-96,共4页Automation & Instrumentation

基　　金：国家科技重大专项项目(2019ZX060020350)。

摘　　要：当前市售PROFIBUS-PA设备的总线接口电路设计多采用FPGA(或MCU)和进口专用集成电路芯片ASIC实现,存在价格昂贵、可选芯片单一等问题。经过对PROFIBUS-PA总线接口电路的研究,提出采用FPGA和自搭建MAU电路实现的PA总线接口电路。该电路具有成本低、可选器件丰富的优点。经过测试,该电路可应用于PROFIBUS-PA现场总线设备,且所有关键器件都有国产型号可供选择,为核电站DCS现场总线设备的国产化提供了解决方案。The design of the PROFIBUS-PA bus interface circuit currently on the market mostly uses FPGA(or MCU)and imported application specific integrated circuit to achieve,there are some problems such as high price and single optional chip.Through the research of PROFIBUS-PA bus interface circuit,a PA bus interface circuit based on FPGA and self-built medium attachment unit(MAU)circuit is proposed.The circuit has the advantages of low cost and abundant optional devices.After testing,this circuit can be applied to PROFIBUS-PA field bus equipment,and all the key components have domestic models to choose from,which provides a solution for the localization of DCS fieldbus equipment in nuclear power plants.

关 键 词：PROFIBUS-PA 接口电路 DCS FPGA ASIC MAU 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]