現(xiàn)場總線過程控制通訊系統(tǒng)(lonworks).doc
約79頁DOC格式手機(jī)打開展開
現(xiàn)場總線過程控制通訊系統(tǒng)(lonworks),現(xiàn)場總線過程控制通訊系統(tǒng)(lonworks)頁數(shù) 79 字?jǐn)?shù) 52298摘 要:現(xiàn)場總線(fieldbus)是用于過程自動化和制造自動化最底層的現(xiàn)場設(shè)備或現(xiàn)場儀表互聯(lián)的通信網(wǎng)絡(luò),是現(xiàn)場通信網(wǎng)絡(luò)與控制系統(tǒng)的集成。隨著現(xiàn)場總線產(chǎn)品性價比的不斷提高,人們正越來越多地采用現(xiàn)場總線對設(shè)備進(jìn)行監(jiān)控。本次設(shè)計通過對lonworks的...
![](http://img.queshao.com/images/pcgzh.gif)
![](http://preview.queshao.com/tobuy/28391.gif)
內(nèi)容介紹
此文檔由會員 天緣 發(fā)布
現(xiàn)場總線過程控制通訊系統(tǒng)(LonWorks)
頁數(shù) 79 字?jǐn)?shù) 52298
摘 要:
現(xiàn)場總線(fieldbus)是用于過程自動化和制造自動化最底層的現(xiàn)場設(shè)備或現(xiàn)場儀表互聯(lián)的通信網(wǎng)絡(luò),是現(xiàn)場通信網(wǎng)絡(luò)與控制系統(tǒng)的集成。隨著現(xiàn)場總線產(chǎn)品性價比的不斷提高,人們正越來越多地采用現(xiàn)場總線對設(shè)備進(jìn)行監(jiān)控。本次設(shè)計通過對LonWorks的應(yīng)用,使我們對現(xiàn)場總線有個大概的了解。
本次設(shè)計是設(shè)計一個三層的現(xiàn)場總線模塊,其中把服務(wù)器、工程師站和操作員站作為第一層聯(lián)接到以太網(wǎng),現(xiàn)場總線的設(shè)計及總線的通信系統(tǒng)設(shè)計作為第二層,現(xiàn)場儀表及裝置為第三層.主要完成的任務(wù)是:1、制作實現(xiàn)以太網(wǎng)和Lonworks現(xiàn)場總線相連的 100M/10M協(xié)議轉(zhuǎn)換器;2、完成Lonworks現(xiàn)場總線與智能儀表相連所需要的RS485模塊;3、實現(xiàn)Lonworks現(xiàn)場總線與PLC裝置相互連接。
關(guān)鍵詞:現(xiàn)場總線,串行通信,網(wǎng)絡(luò)接口,RS-485
目 錄
摘 要······················································································································(Ⅰ)
Abstract···················································································································(Ⅱ)
第一章 緒 論
1.1 現(xiàn)場總線概述···································································································(1)
1.1.1 現(xiàn)場總線的發(fā)展歷史··················································································(1)
1.1.2 現(xiàn)場總線是新一代的自動化系統(tǒng)································································(2)
1.1.3 現(xiàn)場總線的技術(shù)特點··················································································(2)
1.1.4 現(xiàn)場總線的發(fā)展趨勢·················································································(3)
1.2 CAN、Profibus、FF和Hart協(xié)議······································································(3)
1.2.1 CAN(控制器局域網(wǎng)絡(luò))·······································································(3)
1.2.2 PROFIBUS(過程現(xiàn)場總線)·································································(4)
1.2.3 FF(現(xiàn)場總線基金會)現(xiàn)場總線·····························································(5)
1.2.4 HART(可尋址遠(yuǎn)程傳感器數(shù)據(jù)通路)協(xié)議·················································(6)
1.3 LON總線和Lonworks技術(shù)············································································(7)
1.3.1 LonWorks技術(shù)的特點················································································(7)
1.3.2 LonTalk協(xié)議····························································································(9)
1.3.3 神經(jīng)元芯片······························································································(11)
1.3.4 LonWorks的互操作性·············································································(12)
第二章 現(xiàn)場總線控制系統(tǒng)方案的確定
2.1 監(jiān)控級網(wǎng)絡(luò)····································································································(13)
2.1.1 工程師站··································································································(13)
2.1.2 操作員站··································································································(13)
2.2 總線級網(wǎng)絡(luò)····································································································(16)
2.3 現(xiàn)場級網(wǎng)絡(luò)····································································································(16)
第三章 數(shù)據(jù)通信基礎(chǔ)
3.1 數(shù)據(jù)通信概述·······························································································(17)
3.1.1 數(shù)據(jù)通信系統(tǒng)···························································································(17)
3.1.2 數(shù)據(jù)通信系統(tǒng)的質(zhì)量指標(biāo)········································································(17)
3.2 傳輸代碼······································································································(18)
3.2.1 國際2號碼····························································································(19)
3.2.2 國際5號碼···························································································(19)
3.2.3 國標(biāo)碼與區(qū)位碼····················································································(19)
3.3 傳輸介質(zhì)·······································································································(20)
3.3.1 雙絞線電纜···························································································(20)
3.3.2 同軸電纜······························································································(21)
3.3.3 光導(dǎo)纖維·······························································································(22)
3.3.4 無線傳輸介質(zhì)························································································(24)
3.3.5 電力線···································································································(24)
3.3.6 傳輸介質(zhì)的選擇····················································································(24)
3.4 傳輸方式·······································································································(25)
3.4.1 基帶傳輸·································································································(25)
3.4.2 數(shù)字信號頻帶傳輸·················································································(27)
3.4.3 模擬信號傳輸·························································································(27)
3.5 串行通信 ······································································································(27)
3.5.1 同步串行通信協(xié)議··················································································(28)
3.5.2 串行通信接口標(biāo)準(zhǔn)··················································································(29)
第四章 TCP/IP協(xié)議
4.1 TCP/IP的網(wǎng)絡(luò)分層······················································································(33)
4.1.1 TCP/IP分層模型···················································································(33)
4.1.2 OSI參考模型與TCP/IP參考模型的比較···············································(34)
4.2 網(wǎng)際協(xié)議(IP) ····························································································(35)
4.2.1 IP協(xié)議··································································································(35)
4.2.2 IP編址··································································································(36)
4.2.3 IP子網(wǎng)··································································································(37)
4.2.4 IP路由···································································································(38)
4.3 傳輸層協(xié)議····································································································(39)
4.3.1 TCP協(xié)議··································································································(39)
4.3.2 UDP協(xié)議··································································································(40)
4.4 TCP/IP安全性································································································(41)
4.4.1 傳輸層的安全性····································v·················································(41)
4.4.2 應(yīng)用層的安全性·······················································································(42)
第五章 典型通訊方法設(shè)計
5.1 監(jiān)控級網(wǎng)絡(luò)設(shè)計·····························································································(44)
5.1.1 WEB服務(wù)器······························································································(44)
5.1.2 操作員站·································································································(44)
5.1.3 網(wǎng)絡(luò)接口································································································(45)
5.2 總線級網(wǎng)絡(luò)設(shè)計·····························································································(46)
5.2.1 i.Lon 600 Internet service的介紹····················································(46)
5.2.2 EIA RS-232C接口標(biāo)準(zhǔn)························································v··················(50)
5.3 現(xiàn)場級網(wǎng)絡(luò)設(shè)計·····························································································(54)
5.3.1 RS-485接口標(biāo)準(zhǔn)·····················································································(54)
5.3.2 RS-232/485轉(zhuǎn)換器··················································································(59)
5.3.3 現(xiàn)場總線與PLC的連接············································································(63)
5.3.4 實現(xiàn)LonWorks與RS-485連接的適配器···················································(67)
結(jié)束語····················································································································(69)
參考文獻(xiàn)··················································································································(70)
致謝························································································································(71)
附錄: 系統(tǒng)總圖 ····································································································(72)
附錄:適配器硬件設(shè)計······························································································(73)
參考文獻(xiàn)
1. 王錦標(biāo).現(xiàn)場總線控制系統(tǒng).<<微計算機(jī)信息>>,1996(6)
2. 趙 海.現(xiàn)場總線控制系統(tǒng)與領(lǐng)域自動化.<<微計算機(jī)信息>>,1996(1)
3. 吳 譽,張衛(wèi)東,許曉鳴.以太網(wǎng)與現(xiàn)場總線的互聯(lián)方法.〈〈測控技術(shù)〉〉, 2000(1)
4. 李萬周,鄂立福. 現(xiàn)場總線概論選自.〈〈微計算機(jī)信息〉〉,1996(6)
5. 劉曙光.現(xiàn)場總線技術(shù)的進(jìn)展與展望.〈〈自動化與儀表〉〉,2000(3)
頁數(shù) 79 字?jǐn)?shù) 52298
摘 要:
現(xiàn)場總線(fieldbus)是用于過程自動化和制造自動化最底層的現(xiàn)場設(shè)備或現(xiàn)場儀表互聯(lián)的通信網(wǎng)絡(luò),是現(xiàn)場通信網(wǎng)絡(luò)與控制系統(tǒng)的集成。隨著現(xiàn)場總線產(chǎn)品性價比的不斷提高,人們正越來越多地采用現(xiàn)場總線對設(shè)備進(jìn)行監(jiān)控。本次設(shè)計通過對LonWorks的應(yīng)用,使我們對現(xiàn)場總線有個大概的了解。
本次設(shè)計是設(shè)計一個三層的現(xiàn)場總線模塊,其中把服務(wù)器、工程師站和操作員站作為第一層聯(lián)接到以太網(wǎng),現(xiàn)場總線的設(shè)計及總線的通信系統(tǒng)設(shè)計作為第二層,現(xiàn)場儀表及裝置為第三層.主要完成的任務(wù)是:1、制作實現(xiàn)以太網(wǎng)和Lonworks現(xiàn)場總線相連的 100M/10M協(xié)議轉(zhuǎn)換器;2、完成Lonworks現(xiàn)場總線與智能儀表相連所需要的RS485模塊;3、實現(xiàn)Lonworks現(xiàn)場總線與PLC裝置相互連接。
關(guān)鍵詞:現(xiàn)場總線,串行通信,網(wǎng)絡(luò)接口,RS-485
目 錄
摘 要······················································································································(Ⅰ)
Abstract···················································································································(Ⅱ)
第一章 緒 論
1.1 現(xiàn)場總線概述···································································································(1)
1.1.1 現(xiàn)場總線的發(fā)展歷史··················································································(1)
1.1.2 現(xiàn)場總線是新一代的自動化系統(tǒng)································································(2)
1.1.3 現(xiàn)場總線的技術(shù)特點··················································································(2)
1.1.4 現(xiàn)場總線的發(fā)展趨勢·················································································(3)
1.2 CAN、Profibus、FF和Hart協(xié)議······································································(3)
1.2.1 CAN(控制器局域網(wǎng)絡(luò))·······································································(3)
1.2.2 PROFIBUS(過程現(xiàn)場總線)·································································(4)
1.2.3 FF(現(xiàn)場總線基金會)現(xiàn)場總線·····························································(5)
1.2.4 HART(可尋址遠(yuǎn)程傳感器數(shù)據(jù)通路)協(xié)議·················································(6)
1.3 LON總線和Lonworks技術(shù)············································································(7)
1.3.1 LonWorks技術(shù)的特點················································································(7)
1.3.2 LonTalk協(xié)議····························································································(9)
1.3.3 神經(jīng)元芯片······························································································(11)
1.3.4 LonWorks的互操作性·············································································(12)
第二章 現(xiàn)場總線控制系統(tǒng)方案的確定
2.1 監(jiān)控級網(wǎng)絡(luò)····································································································(13)
2.1.1 工程師站··································································································(13)
2.1.2 操作員站··································································································(13)
2.2 總線級網(wǎng)絡(luò)····································································································(16)
2.3 現(xiàn)場級網(wǎng)絡(luò)····································································································(16)
第三章 數(shù)據(jù)通信基礎(chǔ)
3.1 數(shù)據(jù)通信概述·······························································································(17)
3.1.1 數(shù)據(jù)通信系統(tǒng)···························································································(17)
3.1.2 數(shù)據(jù)通信系統(tǒng)的質(zhì)量指標(biāo)········································································(17)
3.2 傳輸代碼······································································································(18)
3.2.1 國際2號碼····························································································(19)
3.2.2 國際5號碼···························································································(19)
3.2.3 國標(biāo)碼與區(qū)位碼····················································································(19)
3.3 傳輸介質(zhì)·······································································································(20)
3.3.1 雙絞線電纜···························································································(20)
3.3.2 同軸電纜······························································································(21)
3.3.3 光導(dǎo)纖維·······························································································(22)
3.3.4 無線傳輸介質(zhì)························································································(24)
3.3.5 電力線···································································································(24)
3.3.6 傳輸介質(zhì)的選擇····················································································(24)
3.4 傳輸方式·······································································································(25)
3.4.1 基帶傳輸·································································································(25)
3.4.2 數(shù)字信號頻帶傳輸·················································································(27)
3.4.3 模擬信號傳輸·························································································(27)
3.5 串行通信 ······································································································(27)
3.5.1 同步串行通信協(xié)議··················································································(28)
3.5.2 串行通信接口標(biāo)準(zhǔn)··················································································(29)
第四章 TCP/IP協(xié)議
4.1 TCP/IP的網(wǎng)絡(luò)分層······················································································(33)
4.1.1 TCP/IP分層模型···················································································(33)
4.1.2 OSI參考模型與TCP/IP參考模型的比較···············································(34)
4.2 網(wǎng)際協(xié)議(IP) ····························································································(35)
4.2.1 IP協(xié)議··································································································(35)
4.2.2 IP編址··································································································(36)
4.2.3 IP子網(wǎng)··································································································(37)
4.2.4 IP路由···································································································(38)
4.3 傳輸層協(xié)議····································································································(39)
4.3.1 TCP協(xié)議··································································································(39)
4.3.2 UDP協(xié)議··································································································(40)
4.4 TCP/IP安全性································································································(41)
4.4.1 傳輸層的安全性····································v·················································(41)
4.4.2 應(yīng)用層的安全性·······················································································(42)
第五章 典型通訊方法設(shè)計
5.1 監(jiān)控級網(wǎng)絡(luò)設(shè)計·····························································································(44)
5.1.1 WEB服務(wù)器······························································································(44)
5.1.2 操作員站·································································································(44)
5.1.3 網(wǎng)絡(luò)接口································································································(45)
5.2 總線級網(wǎng)絡(luò)設(shè)計·····························································································(46)
5.2.1 i.Lon 600 Internet service的介紹····················································(46)
5.2.2 EIA RS-232C接口標(biāo)準(zhǔn)························································v··················(50)
5.3 現(xiàn)場級網(wǎng)絡(luò)設(shè)計·····························································································(54)
5.3.1 RS-485接口標(biāo)準(zhǔn)·····················································································(54)
5.3.2 RS-232/485轉(zhuǎn)換器··················································································(59)
5.3.3 現(xiàn)場總線與PLC的連接············································································(63)
5.3.4 實現(xiàn)LonWorks與RS-485連接的適配器···················································(67)
結(jié)束語····················································································································(69)
參考文獻(xiàn)··················································································································(70)
致謝························································································································(71)
附錄: 系統(tǒng)總圖 ····································································································(72)
附錄:適配器硬件設(shè)計······························································································(73)
參考文獻(xiàn)
1. 王錦標(biāo).現(xiàn)場總線控制系統(tǒng).<<微計算機(jī)信息>>,1996(6)
2. 趙 海.現(xiàn)場總線控制系統(tǒng)與領(lǐng)域自動化.<<微計算機(jī)信息>>,1996(1)
3. 吳 譽,張衛(wèi)東,許曉鳴.以太網(wǎng)與現(xiàn)場總線的互聯(lián)方法.〈〈測控技術(shù)〉〉, 2000(1)
4. 李萬周,鄂立福. 現(xiàn)場總線概論選自.〈〈微計算機(jī)信息〉〉,1996(6)
5. 劉曙光.現(xiàn)場總線技術(shù)的進(jìn)展與展望.〈〈自動化與儀表〉〉,2000(3)