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	RS-485 bus-based high-speed serial remote data transmissions
	Li Cheng ; Wang Peng ; Ding Tianhuai ; Chen Ken ; Geng Lizhong
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical/ encoding error statistics field programmable gate arrays peripheral interfaces synchronisation system buses twisted pair cables/ RS-485 bus high-speed serial remote long wire data transmission FPGA technology industrial system peripheral interface circuit pulse transmission experiment rising-falling edge start symbol high-speed clock sampling bit synchronization encoding time-clock recovery data frame synchronization twisted-pair cable bit error rate/ B7210E Instrumentation buses and protocols B1265B Logic circuits B6120B Codes B0240Z Other topics in statistics C5610P Peripheral interfaces C5120 Logic and switching circuits C1140Z Other topics in statistics C5610S System buses
中文摘要	A high-speed serial data transmission method based on the RS-485 bus was developed using FPGA technology to implement the high-speed remote long wire transmission for industrial systems. The effects of the RS-485 bus on the data transmission are analyzed with the peripheral interface circuits then determined by pulse transmission experiments. The rising/falling edges of the serial signals are used as the start symbols for the high-speed clock sampling to enable bit synchronization. The 8 B/ 10 B encoded data streams make time-clock recovery and data frame synchronizations feasible. Data transmission experiments using a twisted-pair cable show that the system provides high-speed remote data transmission along a 220 m twisted-pair cable at transmission rates of up to 20 Mb/s with an error rate of 10/sup -11/, which offers an effective transmission method for monitoring data collected in the field.
语种	中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80259]
专题	清华大学
推荐引用方式 GB/T 7714	Li Cheng,Wang Peng,Ding Tianhuai,et al. RS-485 bus-based high-speed serial remote data transmissions[J],2010, 2010.
APA	Li Cheng,Wang Peng,Ding Tianhuai,Chen Ken,&Geng Lizhong.(2010).RS-485 bus-based high-speed serial remote data transmissions..
MLA	Li Cheng,et al."RS-485 bus-based high-speed serial remote data transmissions".(2010).

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