基于PCI總線(xiàn)的矩陣電路在壓變溫壓補償系統中的實(shí)現與應用

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基于PCI總線(xiàn)的矩陣電路在壓變溫壓補償系統中的實(shí)現與應用
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作者單位:(1.四川民族學(xué)院,四川 遂寧 626001;2.重慶電子工程職業(yè)技術(shù)學(xué)院 計算機學(xué)院,重慶 401331; ;3.重慶川儀自動(dòng)化股份有限公司技術(shù)中心,重慶 401121)
作者簡(jiǎn)介:楊紅兵(1979-),男,四川遂寧人,碩士,講師,主要從事計算機科學(xué)與技術(shù)方向的研究。[FQ)]
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基金項目:國家863專(zhuān)項(2012AA041201)。

Implementation and Application of Matrix Circuit Based on PCI Bus in Temperature-and-pressure Compensation System of Pressure Transmitter

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(1.Sichuan University for Nationalities,Suining 626001,China;2.Chongqing College of Electronic Engineering,Chongqing 401331,China;3.Chongqing Chuanyi Automation Co.,Ltd.Technical Branch,Chongqing 401121,China)

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文章提出基于PCI總線(xiàn)驅動(dòng)控制的矩陣電路在壓力變送器溫壓補償系統中應用的目的是解決現有壓力變送器溫壓補償系統中HART總線(xiàn)型工位電路數量少,整套矩陣電路缺失冗余性,以及現有電路在壓力變送器產(chǎn)品溫壓補償中實(shí)用性差、維護成本高的問(wèn)題。文中闡述的矩陣電路是以PCI總線(xiàn)為基礎,實(shí)現對PIO數字接口卡的驅動(dòng)控制,完成由PCI總線(xiàn)上32路數字I/O到168路數字I/O的轉換,并利用168路數字I/O進(jìn)行繼電器矩陣電路設計,實(shí)現了弱電控制強電的過(guò)程,成功有效的解決了現存壓力變送器溫壓補償系統中矩陣電路存在的問(wèn)題。該研發(fā)成果已經(jīng)應用于PDS壓力變送器產(chǎn)品溫壓補償生產(chǎn)線(xiàn)上,并且該電路的設計能夠滿(mǎn)足壓力變送器生產(chǎn)企業(yè)的需求,而且整套電路融入系統中能夠長(cháng)期穩定、可靠的運行。

Abstract:

In this essay the matrix circuit based on PCI Bus drive control is proposed,of which the purpose is to solve the problems of the current pressure transmitter’s temperature and pressure compensation system,such as the less quantity of the station circuits,the redundancy absence in the whole-set matrix circuit,the weak practicability and the high cost,etc. The matrix circuit based on PCI Bus can be used to realize the control of the PIO digital connection card and the switch from 32 way digital I/O to 168 way digital I/O. 168 way digital I/O is utilized for the design of relay is matrix circuit to realize the process of strong power controlled through weak power,finally the address quantity limitation in the HART bus and redundancy absence in the whole-set matrix circuit are successfully solved. This research has been applied successfully into PDS series pressure transmitter is temperature and pressure compensation system,which runs stably for a long term and also meet the requirements of the pressure transmitter manufacturer.

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楊紅兵,佘明洪,張宇,田英明.基于PCI總線(xiàn)的矩陣電路在壓變溫壓補償系統中的實(shí)現與應用計算機測量與控制[J].,2015,23(7):2570-2573.

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在線(xiàn)發(fā)布日期: 2015-07-31
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