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智能變送器推動自控發展-介可視篇
日期：2024-07-09 12:47
瀏覽次數：1699
摘要：
智能變送器推動自控發展-介可視篇
一，前言
隨著現代工業的發展進步，以信息化為基礎的自動化控制成為趨勢！分布全場的在各個節點的監測單元向控制中*回傳現場的實時工況，像是一雙雙“眼睛”，而控制單元就像一雙雙“手”，怎樣操作,操作多大幅度，全憑這一雙雙“眼睛”去配合，—這就是分布式操作系統。這是一個由過程控制級和過程監控級組成的以通信為紐帶的多級計算機系統，其基本核心是分散控制、中shu操作、分級管理、配置靈活。這樣的系統的出現，引起了自動化系統結構的變革。而以通訊為*的分...
智能變送器推動自(zi)控(kong)發展-介(jie)可視篇
一，前言
二(er)，特(te)點
三(san)，原(yuan)理
四，結(jie)論
隨著(zhu)現代工(gong)業的(de)(de)(de)(de)(de)發展進(jin)步，以信(xin)息化(hua)(hua)為(wei)基(ji)礎的(de)(de)(de)(de)(de)自(zi)(zi)動化(hua)(hua)控(kong)制(zhi)成(cheng)為(wei)趨勢！分(fen)布全場(chang)(chang)的(de)(de)(de)(de)(de)在各個(ge)節點的(de)(de)(de)(de)(de)監測單(dan)(dan)(dan)元向控(kong)制(zhi)中(zhong)(zhong)*回傳(chuan)現場(chang)(chang)的(de)(de)(de)(de)(de)實(shi)時工(gong)況，像(xiang)是(shi)(shi)(shi)(shi)一(yi)雙(shuang)(shuang)雙(shuang)(shuang)“眼睛”，而(er)(er)控(kong)制(zhi)單(dan)(dan)(dan)元就(jiu)像(xiang)一(yi)雙(shuang)(shuang)雙(shuang)(shuang)“手”，怎(zen)樣操作(zuo),操作(zuo)多大(da)幅度，全憑這一(yi)雙(shuang)(shuang)雙(shuang)(shuang)“眼睛”去(qu)配(pei)(pei)合(he)，—這就(jiu)是(shi)(shi)(shi)(shi)分(fen)布式(shi)操作(zuo)系統(tong)(tong)(tong)。這是(shi)(shi)(shi)(shi)一(yi)個(ge)由過程(cheng)控(kong)制(zhi)級和(he)過程(cheng)監控(kong)級組成(cheng)的(de)(de)(de)(de)(de)以通信(xin)為(wei)紐(niu)帶的(de)(de)(de)(de)(de)多級計算機系統(tong)(tong)(tong)，其基(ji)本核(he)心是(shi)(shi)(shi)(shi)分(fen)散控(kong)制(zhi)、中(zhong)(zhong)shu操作(zuo)、分(fen)級管理(li)(li)(li)、配(pei)(pei)置靈活。這樣的(de)(de)(de)(de)(de)系統(tong)(tong)(tong)的(de)(de)(de)(de)(de)出(chu)現，引起(qi)了(le)自(zi)(zi)動化(hua)(hua)系統(tong)(tong)(tong)結構(gou)的(de)(de)(de)(de)(de)變革。而(er)(er)以通訊為(wei)*的(de)(de)(de)(de)(de)分(fen)布式(shi)操作(zuo)系統(tong)(tong)(tong)其實(shi)現基(ji)礎就(jiu)是(shi)(shi)(shi)(shi)變送(song)(song)(song)器(qi)，輸出(chu)或(huo)者輸入都離不開變送(song)(song)(song)器(qi)應用。然而(er)(er)傳(chuan)統(tong)(tong)(tong)意義下的(de)(de)(de)(de)(de)變送(song)(song)(song)器(qi)以其本身(shen)的(de)(de)(de)(de)(de)特點在控(kong)制(zhi)領域(yu)發揮著(zhu)巨大(da)的(de)(de)(de)(de)(de)作(zuo)用。但(dan)適應新(xin)的(de)(de)(de)(de)(de)分(fen)控(kong)系統(tong)(tong)(tong)發展的(de)(de)(de)(de)(de)要求，以智能(neng)型為(wei)基(ji)礎的(de)(de)(de)(de)(de)變送(song)(song)(song)器(qi)與傳(chuan)感器(qi)配(pei)(pei)合(he)，形成(cheng)對傳(chuan)感器(qi)數(shu)據處理(li)(li)(li)，信(xin)號調理(li)(li)(li)，據有HART協議，顯示(shi)或(huo)者儲存數(shu)據，自(zi)(zi)動校正和(he)自(zi)(zi)動補償(chang)等功能(neng)的(de)(de)(de)(de)(de)監測單(dan)(dan)(dan)元才是(shi)(shi)(shi)(shi)一(yi)個(ge)實(shi)現自(zi)(zi)動化(hua)(hua)*控(kong)制(zhi)的(de)(de)(de)(de)(de)前(qian)提。
智(zhi)(zhi)能(neng)(neng)(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)與(yu)模擬(ni)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)相比(bi),具有(you)以(yi)(yi)下(xia)明顯特點(dian): A,具有(you)雙向(xiang)通(tong)(tong)信(xin)(xin)(xin)(xin)能(neng)(neng)(neng)(neng)(neng)(neng)力通(tong)(tong)信(xin)(xin)(xin)(xin)使變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)可(ke)(ke)以(yi)(yi)輸(shu)(shu)出(chu)更(geng)(geng)(geng)多的(de)(de)(de)(de)(de)(de)信(xin)(xin)(xin)(xin)息(xi),發揮更(geng)(geng)(geng)多的(de)(de)(de)(de)(de)(de)作用(yong)(yong)(yong)(yong)。如在(zai)(zai)輸(shu)(shu)出(chu)被(bei)測(ce)(ce)(ce)參數方面,可(ke)(ke)以(yi)(yi)按(an)所需(xu)的(de)(de)(de)(de)(de)(de)工程(cheng)單(dan)位(wei)傳(chuan)送(song)(song)(song),也可(ke)(ke)進(jin)行一(yi)些函數換算(suan)輸(shu)(shu)出(chu)。除輸(shu)(shu)出(chu)被(bei)測(ce)(ce)(ce)參數外(wai),還(huan)可(ke)(ke)以(yi)(yi)取得許多與(yu)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)有(you)關的(de)(de)(de)(de)(de)(de)信(xin)(xin)(xin)(xin)息(xi),供(gong)備查(cha)之用(yong)(yong)(yong)(yong),如位(wei)號(hao)(hao)、測(ce)(ce)(ce)量(liang)范圍、接液材料(liao),*后調(diao)(diao)整(zheng)日期等。同時配(pei)(pei)合(he)手持終(zhong)端的(de)(de)(de)(de)(de)(de)使用(yong)(yong)(yong)(yong),可(ke)(ke)以(yi)(yi)使儀(yi)表(biao)的(de)(de)(de)(de)(de)(de)校(xiao)驗(yan)和(he)(he)調(diao)(diao)整(zheng)產(chan)生大(da)的(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)化(hua),實(shi)現了(le)(le)調(diao)(diao)整(zheng)遙控化(hua)（不(bu)必現場(chang)(chang)拆(chai)卸），零點(dian)和(he)(he)量(liang)程(cheng)調(diao)(diao)整(zheng)獨立(li)化(hua)（調(diao)(diao)整(zheng)零點(dian)和(he)(he)調(diao)(diao)整(zheng)量(liang)程(cheng)互不(bu)影響，一(yi)次設(she)定便(bian)(bian)(bian)(bian)完(wan)成），儀(yi)表(biao)標簽內(nei)(nei)置化(hua)，儀(yi)表(biao)信(xin)(xin)(xin)(xin)息(xi)數字化(hua)。對于(yu)(yu)和(he)(he)分布式控制(zhi)(zhi)系(xi)統(tong)(tong)配(pei)(pei)套的(de)(de)(de)(de)(de)(de)就更(geng)(geng)(geng)加方便(bian)(bian)(bian)(bian),只需(xu)在(zai)(zai)計(ji)算(suan)機上就可(ke)(ke)對其直接操(cao)作。由于(yu)(yu)配(pei)(pei)用(yong)(yong)(yong)(yong)專用(yong)(yong)(yong)(yong)效驗(yan)儀(yi)器(qi)(qi)(qi)(qi)(qi)，也提高(gao)了(le)(le)大(da)大(da)提高(gao)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)*性(xing)。B,具有(you)自(zi)(zi)檢(jian)(jian)診斷功(gong)(gong)能(neng)(neng)(neng)(neng)(neng)(neng) 當變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)或者(zhe)傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)有(you)故障(zhang)時,可(ke)(ke)以(yi)(yi)準確清(qing)晰地(di)(di)在(zai)(zai)手持終(zhong)端或計(ji)算(suan)機屏(ping)幕(mu)上顯示故障(zhang)信(xin)(xin)(xin)(xin)息(xi),為(wei)(wei)維修人員迅速(su)地(di)(di)排(pai)除故障(zhang)提供(gong)了(le)(le)方便(bian)(bian)(bian)(bian),提高(gao)了(le)(le)系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)可(ke)(ke)靠(kao)性(xing)和(he)(he)可(ke)(ke)用(yong)(yong)(yong)(yong)性(xing)。C,模擬(ni)信(xin)(xin)(xin)(xin)號(hao)(hao)與(yu)數字信(xin)(xin)(xin)(xin)號(hao)(hao)同時具備，具有(you)多種(zhong)(zhong)(zhong)通(tong)(tong)訊協議(yi)，HART,485。當前(qian)分布控制(zhi)(zhi)系(xi)統(tong)(tong)以(yi)(yi)信(xin)(xin)(xin)(xin)息(xi)技術(shu)為(wei)(wei)基礎構造(zao)的(de)(de)(de)(de)(de)(de)數據(ju)通(tong)(tong)訊模式就要求變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)具有(you)能(neng)(neng)(neng)(neng)(neng)(neng)適應的(de)(de)(de)(de)(de)(de)傳(chuan)輸(shu)(shu)方式，HART、485與(yu)傳(chuan)統(tong)(tong)的(de)(de)(de)(de)(de)(de)毫安(an)信(xin)(xin)(xin)(xin)號(hao)(hao)配(pei)(pei)合(he)可(ke)(ke)以(yi)(yi)在(zai)(zai)更(geng)(geng)(geng)*的(de)(de)(de)(de)(de)(de)傳(chuan)輸(shu)(shu)中使智(zhi)(zhi)能(neng)(neng)(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)具有(you)邏輯和(he)(he)反饋信(xin)(xin)(xin)(xin)號(hao)(hao)等。D,測(ce)(ce)(ce)量(liang)精度(du)(du)高(gao) 由于(yu)(yu)智(zhi)(zhi)能(neng)(neng)(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)內(nei)(nei)部使用(yong)(yong)(yong)(yong)數字技術(shu)取代(dai)了(le)(le),使傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)測(ce)(ce)(ce)量(liang)得到的(de)(de)(de)(de)(de)(de)信(xin)(xin)(xin)(xin)號(hao)(hao)線性(xing)化(hua)更(geng)(geng)(geng)好,更(geng)(geng)(geng)好地(di)(di)補償(chang)溫(wen)度(du)(du)靜壓變(bian)(bian)(bian)(bian)化(hua)的(de)(de)(de)(de)(de)(de)影響,因而(er)進(jin)一(yi)步提高(gao)了(le)(le)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)精度(du)(du)。智(zhi)(zhi)能(neng)(neng)(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)內(nei)(nei)裝一(yi)個用(yong)(yong)(yong)(yong)于(yu)(yu)補償(chang)溫(wen)度(du)(du)變(bian)(bian)(bian)(bian)化(hua)的(de)(de)(de)(de)(de)(de)溫(wen)度(du)(du)傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi),這(zhe)個溫(wen)度(du)(du)傳(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)把測(ce)(ce)(ce)出(chu)的(de)(de)(de)(de)(de)(de)介質溫(wen)度(du)(du)與(yu)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)傳(chuan)感(gan)(gan)(gan)元(yuan)(yuan)件(jian)設(she)計(ji)工作溫(wen)度(du)(du)相比(bi)較,若有(you)差值,可(ke)(ke)經CPU進(jin)行運(yun)算(suan)并(bing)進(jin)行自(zi)(zi)動(dong)(dong)補償(chang);有(you)的(de)(de)(de)(de)(de)(de)智(zhi)(zhi)能(neng)(neng)(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)還(huan)內(nei)(nei)裝測(ce)(ce)(ce)壓元(yuan)(yuan)件(jian),這(zhe)個測(ce)(ce)(ce)壓元(yuan)(yuan)件(jian)能(neng)(neng)(neng)(neng)(neng)(neng)夠測(ce)(ce)(ce)出(chu)差壓變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)工作靜壓,并(bing)通(tong)(tong)過CPU進(jin)行運(yun)算(suan),以(yi)(yi)修正差壓變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)因靜壓所造(zao)成的(de)(de)(de)(de)(de)(de)零點(dian)變(bian)(bian)(bian)(bian)化(hua)。E，具有(you)更(geng)(geng)(geng)大(da)的(de)(de)(de)(de)(de)(de)量(liang)程(cheng)比(bi) 智(zhi)(zhi)能(neng)(neng)(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)*大(da)量(liang)程(cheng)比(bi)可(ke)(ke)達400比(bi)1,這(zhe)樣可(ke)(ke)以(yi)(yi)減少(shao)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)規(gui)格品(pin)種(zhong)(zhong)(zhong)。如，通(tong)(tong)常壓力比(bi)較寬(kuan)廣的(de)(de)(de)(de)(de)(de)現場(chang)(chang)采用(yong)(yong)(yong)(yong)智(zhi)(zhi)能(neng)(neng)(neng)(neng)(neng)(neng)的(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)減少(shao)使用(yong)(yong)(yong)(yong)規(gui)格種(zhong)(zhong)(zhong)類；而(er)溫(wen)度(du)(du)測(ce)(ce)(ce)量(liang)的(de)(de)(de)(de)(de)(de)僅需(xu)一(yi)種(zhong)(zhong)(zhong)規(gui)格。因此,采用(yong)(yong)(yong)(yong)智(zhi)(zhi)能(neng)(neng)(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)提高(gao)了(le)(le)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)通(tong)(tong)用(yong)(yong)(yong)(yong)性(xing)和(he)(he)互換性(xing)。F,輸(shu)(shu)出(chu)可(ke)(ke)設(she)定為(wei)(wei)恒流信(xin)(xin)(xin)(xin)號(hao)(hao)源 這(zhe)一(yi)特點(dian)不(bu)僅可(ke)(ke)作為(wei)(wei)系(xi)統(tong)(tong)正確性(xing)檢(jian)(jian)查(cha)的(de)(de)(de)(de)(de)(de)二(er)次校(xiao)正手段,而(er)且(qie)還(huan)可(ke)(ke)以(yi)(yi)進(jin)行控制(zhi)(zhi)系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)動(dong)(dong)態模擬(ni),檢(jian)(jian)查(cha)控制(zhi)(zhi)系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)動(dong)(dong)作過程(cheng),為(wei)(wei)自(zi)(zi)動(dong)(dong)控制(zhi)(zhi)系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)調(diao)(diao)試(shi)帶來方便(bian)(bian)(bian)(bian)。G,具有(you)PID控制(zhi)(zhi)功(gong)(gong)能(neng)(neng)(neng)(neng)(neng)(neng) PID功(gong)(gong)能(neng)(neng)(neng)(neng)(neng)(neng)屬軟件(jian)功(gong)(gong)能(neng)(neng)(neng)(neng)(neng)(neng),在(zai)(zai)產(chan)品(pin)硬件(jian)上沒額外(wai)增加,所以(yi)(yi)帶PID功(gong)(gong)能(neng)(neng)(neng)(neng)(neng)(neng)的(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)同樣可(ke)(ke)以(yi)(yi)在(zai)(zai)大(da)量(liang)變(bian)(bian)(bian)(bian)送(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)場(chang)(chang)合(he)發揮作用(yong)(yong)(yong)(yong)。通(tong)(tong)過PID功(gong)(gong)能(neng)(neng)(neng)(neng)(neng)(neng)實(shi)現閉環自(zi)(zi)動(dong)(dong)化(hua)，PID控制(zhi)(zhi)功(gong)(gong)能(neng)(neng)(neng)(neng)(neng)(neng)的(de)(de)(de)(de)(de)(de)是(shi)現場(chang)(chang)總線儀(yi)表(biao)的(de)(de)(de)(de)(de)(de)趨勢。
智能變送器的線路(lu)(lu)板模塊是一塊采用(yong)專(zhuan)用(yong)集成(cheng)電路(lu)(lu)（ASICS）和(he)表(biao)面(mian)封裝技術的模塊。模塊接收來(lai)自傳(chuan)感(gan)器的信(xin)號并進(jin)行(xing)優化。輸(shu)出(chu)部(bu)分(fen)將信(xin)號進(jin)行(xing)D/A裝換，并可與HART和(he)分(fen)控系統軟件進(jin)行(xing)通信(xin)。
輸入轉(zhuan)換 A/D轉(zhuan)換電路采用(yong)低功耗集成電路，將信號進行一系列的優化轉(zhuan)化。
智能(neng)(neng)(neng)處理 智能(neng)(neng)(neng)變送(song)器*模(mo)(mo)塊同(tong)時(shi)控制(zhi)輸(shu)入(ru)和(he)輸(shu)出信號轉(zhuan)換(huan)工作(zuo)(zuo)的(de)(de)，并(bing)(bing)且自動(dong)診斷及實現數字(zi)通訊。工作(zuo)(zuo)時(shi)，傳(chuan)感(gan)器的(de)(de)測量(liang)信號被模(mo)(mo)塊所處理，并(bing)(bing)作(zuo)(zuo)為數字(zi)存儲，以確保精密的(de)(de)修正和(he)工程單(dan)位的(de)(de)轉(zhuan)換(huan)。此外也能(neng)(neng)(neng)完成傳(chuan)感(gan)器的(de)(de)線性化、量(liang)程比、阻(zu)尼時(shi)間、報警以及其它功能(neng)(neng)(neng)設定。
EEPROM存儲(chu)(chu) EEPROM存儲(chu)(chu)所有的特性及數(shu)字微調(diao)的參數(shu)，存儲(chu)(chu)器為非易(yi)失性的，因此即使斷電，所存儲(chu)(chu)的數(shu)據仍能完好保持(chi)，以(yi)隨(sui)時實現智能通訊。
輸出轉(zhuan)換 D/A轉(zhuan)換將(jiang)經過(guo)變送(song)器的經過(guo)校正的裝換成輸出信號給回路(lu)，達到變送(song)目的。
數(shu)字通訊 通過(guo)一臺通訊器，對智能變送器進行測試。
現(xian)代工(gong)業(ye)自動(dong)(dong)化(hua)大量采用現(xian)代智(zhi)(zhi)(zhi)能(neng)型的傳感器與執(zhi)行器，使得這些智(zhi)(zhi)(zhi)能(neng)儀器之間(jian)的信(xin)號(hao)傳遞不再局限于模擬信(xin)號(hao)，傳統的點對(dui)點連接方式也必然帶來連線復(fu)雜、系(xi)統不可靠等弊端。因而需要一種能(neng)夠在工(gong)廠現(xian)場(chang)傳遞總線方式，即現(xian)場(chang)的通(tong)信(xin)網(wang)絡(luo)。智(zhi)(zhi)(zhi)能(neng)變(bian)送器就是為適用此種現(xian)代工(gong)業(ye)自動(dong)(dong)化(hua)系(xi)統而產生的，這是一種必然的趨(qu)勢。如德國(guo)莫特的智(zhi)(zhi)(zhi)能(neng)溫度變(bian)送器MTP系(xi)列也是為適應現(xian)代這種分控系(xi)統而研制出來的，在溫度監測(ce)方面就具非常不錯的效(xiao)果。介質可視(shi)化(hua)的進步，才能(neng)推動(dong)(dong)工(gong)業(ye)自動(dong)(dong)化(hua)進程！
一(yi)，前言
二，特點
三，原理
四，結論
隨(sui)著現(xian)(xian)代(dai)工業的(de)(de)(de)(de)(de)發(fa)展進步，以信息化(hua)為(wei)基(ji)礎的(de)(de)(de)(de)(de)自(zi)(zi)動(dong)化(hua)控(kong)制(zhi)(zhi)(zhi)成(cheng)為(wei)趨勢！分布全場(chang)的(de)(de)(de)(de)(de)在(zai)(zai)各個(ge)節(jie)點的(de)(de)(de)(de)(de)監(jian)測單(dan)元向(xiang)控(kong)制(zhi)(zhi)(zhi)中shu 回傳(chuan)(chuan)現(xian)(xian)場(chang)的(de)(de)(de)(de)(de)實(shi)時工況，像是一(yi)雙(shuang)雙(shuang)“眼睛”，而(er)控(kong)制(zhi)(zhi)(zhi)單(dan)元就像一(yi)雙(shuang)雙(shuang)“手”，怎樣操(cao)作,操(cao)作多(duo)(duo)大幅度，全憑這(zhe)一(yi)雙(shuang)雙(shuang)“眼睛”去(qu)配(pei)(pei)合(he)，—這(zhe)就是分布式操(cao)作系統(tong)(tong)(tong)。這(zhe)是一(yi)個(ge)由過(guo)程(cheng)控(kong)制(zhi)(zhi)(zhi)級(ji)(ji)和過(guo)程(cheng)監(jian)控(kong)級(ji)(ji)組(zu)成(cheng)的(de)(de)(de)(de)(de)以通信為(wei)紐帶(dai)的(de)(de)(de)(de)(de)多(duo)(duo)級(ji)(ji)計(ji)算機(ji)系統(tong)(tong)(tong)，其基(ji)本核心是分散(san)控(kong)制(zhi)(zhi)(zhi)、中SHU操(cao)作、分級(ji)(ji)管理(li)、配(pei)(pei)置靈活。這(zhe)樣的(de)(de)(de)(de)(de)系統(tong)(tong)(tong)的(de)(de)(de)(de)(de)出現(xian)(xian)，引起了自(zi)(zi)動(dong)化(hua)系統(tong)(tong)(tong)結構(gou)的(de)(de)(de)(de)(de)變(bian)革(ge)。而(er)以通訊為(wei)*的(de)(de)(de)(de)(de)分布式操(cao)作系統(tong)(tong)(tong)其實(shi)現(xian)(xian)基(ji)礎就是變(bian)送器(qi)(qi)，輸出或者輸入都離不開變(bian)送器(qi)(qi)應用。然(ran)而(er)傳(chuan)(chuan)統(tong)(tong)(tong)意義(yi)下(xia)的(de)(de)(de)(de)(de)變(bian)送器(qi)(qi)以其本身(shen)的(de)(de)(de)(de)(de)特(te)點在(zai)(zai)控(kong)制(zhi)(zhi)(zhi)領域(yu)發(fa)揮著巨大的(de)(de)(de)(de)(de)作用。但適(shi)應新的(de)(de)(de)(de)(de)分控(kong)系統(tong)(tong)(tong)發(fa)展的(de)(de)(de)(de)(de)要(yao)求，以智能(neng)型為(wei)基(ji)礎的(de)(de)(de)(de)(de)變(bian)送器(qi)(qi)與傳(chuan)(chuan)感(gan)(gan)器(qi)(qi)配(pei)(pei)合(he)，形成(cheng)對傳(chuan)(chuan)感(gan)(gan)器(qi)(qi)數據(ju)處理(li)，信號調理(li)，據(ju)有HART協議(yi)，顯示或者儲(chu)存數據(ju)，自(zi)(zi)動(dong)校(xiao)正和自(zi)(zi)動(dong)補償等功(gong)能(neng)的(de)(de)(de)(de)(de)監(jian)測單(dan)元才(cai)是一(yi)個(ge)實(shi)現(xian)(xian)自(zi)(zi)動(dong)化(hua)*控(kong)制(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)前提。
智能(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)與模(mo)擬變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)相(xiang)比(bi),具(ju)(ju)有以(yi)下明顯特(te)(te)點: A,具(ju)(ju)有雙向(xiang)通(tong)(tong)信(xin)能(neng)(neng)(neng)(neng)力(li)(li)通(tong)(tong)信(xin)使變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)可(ke)(ke)(ke)(ke)(ke)以(yi)輸(shu)出(chu)(chu)更(geng)(geng)多的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)信(xin)息,發揮更(geng)(geng)多的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)。如在輸(shu)出(chu)(chu)被測(ce)(ce)(ce)(ce)參(can)數方(fang)(fang)(fang)(fang)面(mian),可(ke)(ke)(ke)(ke)(ke)以(yi)按所(suo)需的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)程(cheng)(cheng)(cheng)單位傳(chuan)(chuan)送(song)(song)(song)(song)(song),也可(ke)(ke)(ke)(ke)(ke)進行一(yi)些函數換(huan)算(suan)(suan)(suan)輸(shu)出(chu)(chu)。除輸(shu)出(chu)(chu)被測(ce)(ce)(ce)(ce)參(can)數外,還(huan)可(ke)(ke)(ke)(ke)(ke)以(yi)取(qu)得許多與變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)有關(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)信(xin)息,供備查之用(yong)(yong)(yong)(yong)(yong),如位號(hao)(hao)(hao)、測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)范(fan)圍、接液材料,*后調(diao)(diao)整(zheng)日(ri)期等。同(tong)(tong)時配(pei)(pei)(pei)合(he)(he)手持(chi)終端的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)(yong)(yong)(yong)(yong),可(ke)(ke)(ke)(ke)(ke)以(yi)使儀(yi)表(biao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)校(xiao)驗和(he)調(diao)(diao)整(zheng)產生大(da)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)化,實(shi)(shi)現(xian)了(le)(le)(le)調(diao)(diao)整(zheng)遙控(kong)(kong)化（不(bu)必現(xian)場(chang)拆卸(xie)），零(ling)(ling)點和(he)量(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)調(diao)(diao)整(zheng)獨立化（調(diao)(diao)整(zheng)零(ling)(ling)點和(he)調(diao)(diao)整(zheng)量(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)互(hu)不(bu)影響，一(yi)次(ci)設定便(bian)完成），儀(yi)表(biao)標簽(qian)內置化，儀(yi)表(biao)信(xin)息數字化。對于和(he)分(fen)布式(shi)控(kong)(kong)制系(xi)(xi)(xi)統配(pei)(pei)(pei)套的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)就(jiu)(jiu)更(geng)(geng)加(jia)方(fang)(fang)(fang)(fang)便(bian),只需在計算(suan)(suan)(suan)機上(shang)(shang)就(jiu)(jiu)可(ke)(ke)(ke)(ke)(ke)對其直接操作(zuo)(zuo)。由(you)于配(pei)(pei)(pei)用(yong)(yong)(yong)(yong)(yong)專(zhuan)用(yong)(yong)(yong)(yong)(yong)效驗儀(yi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，也提(ti)(ti)高(gao)(gao)了(le)(le)(le)大(da)大(da)提(ti)(ti)高(gao)(gao)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)系(xi)(xi)(xi)統的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)*性(xing)(xing)(xing)(xing)。B,具(ju)(ju)有自(zi)(zi)(zi)檢診斷功(gong)(gong)能(neng)(neng)(neng)(neng) 當變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)或者傳(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)有故障時,可(ke)(ke)(ke)(ke)(ke)以(yi)準確清晰地(di)(di)在手持(chi)終端或計算(suan)(suan)(suan)機屏幕上(shang)(shang)顯示(shi)故障信(xin)息,為(wei)維(wei)修人員迅速(su)地(di)(di)排除故障提(ti)(ti)供了(le)(le)(le)方(fang)(fang)(fang)(fang)便(bian),提(ti)(ti)高(gao)(gao)了(le)(le)(le)系(xi)(xi)(xi)統的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)可(ke)(ke)(ke)(ke)(ke)靠性(xing)(xing)(xing)(xing)和(he)可(ke)(ke)(ke)(ke)(ke)用(yong)(yong)(yong)(yong)(yong)性(xing)(xing)(xing)(xing)。C,模(mo)擬信(xin)號(hao)(hao)(hao)與數字信(xin)號(hao)(hao)(hao)同(tong)(tong)時具(ju)(ju)備，具(ju)(ju)有多種(zhong)通(tong)(tong)訊(xun)協議，HART,485。當前分(fen)布控(kong)(kong)制系(xi)(xi)(xi)統以(yi)信(xin)息技術(shu)為(wei)基(ji)礎構造(zao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)數據通(tong)(tong)訊(xun)模(mo)式(shi)就(jiu)(jiu)要求變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)具(ju)(ju)有能(neng)(neng)(neng)(neng)適應(ying)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)傳(chuan)(chuan)輸(shu)方(fang)(fang)(fang)(fang)式(shi)，HART、485與傳(chuan)(chuan)統的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)毫安信(xin)號(hao)(hao)(hao)配(pei)(pei)(pei)合(he)(he)可(ke)(ke)(ke)(ke)(ke)以(yi)在更(geng)(geng)*的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)傳(chuan)(chuan)輸(shu)中使智能(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)具(ju)(ju)有邏輯和(he)反饋信(xin)號(hao)(hao)(hao)等。D,測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)精度高(gao)(gao) 由(you)于智能(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)內部使用(yong)(yong)(yong)(yong)(yong)數字技術(shu)取(qu)代了(le)(le)(le),使傳(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)得到的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)信(xin)號(hao)(hao)(hao)線性(xing)(xing)(xing)(xing)化更(geng)(geng)好(hao),更(geng)(geng)好(hao)地(di)(di)補(bu)償溫(wen)(wen)度靜(jing)(jing)壓變(bian)(bian)(bian)(bian)(bian)(bian)化的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)影響,因而進一(yi)步提(ti)(ti)高(gao)(gao)了(le)(le)(le)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)精度。智能(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)內裝一(yi)個用(yong)(yong)(yong)(yong)(yong)于補(bu)償溫(wen)(wen)度變(bian)(bian)(bian)(bian)(bian)(bian)化的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)溫(wen)(wen)度傳(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi),這個溫(wen)(wen)度傳(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)把(ba)測(ce)(ce)(ce)(ce)出(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)介質溫(wen)(wen)度與變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)傳(chuan)(chuan)感(gan)(gan)(gan)元件(jian)設計工(gong)(gong)作(zuo)(zuo)溫(wen)(wen)度相(xiang)比(bi)較(jiao),若有差(cha)值,可(ke)(ke)(ke)(ke)(ke)經(jing)CPU進行運算(suan)(suan)(suan)并進行自(zi)(zi)(zi)動補(bu)償;有的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)智能(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)還(huan)內裝測(ce)(ce)(ce)(ce)壓元件(jian),這個測(ce)(ce)(ce)(ce)壓元件(jian)能(neng)(neng)(neng)(neng)夠測(ce)(ce)(ce)(ce)出(chu)(chu)差(cha)壓變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)作(zuo)(zuo)靜(jing)(jing)壓,并通(tong)(tong)過(guo)CPU進行運算(suan)(suan)(suan),以(yi)修正(zheng)差(cha)壓變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)因靜(jing)(jing)壓所(suo)造(zao)成的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)零(ling)(ling)點變(bian)(bian)(bian)(bian)(bian)(bian)化。E，具(ju)(ju)有更(geng)(geng)大(da)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)量(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)比(bi) 智能(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)*大(da)量(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)比(bi)可(ke)(ke)(ke)(ke)(ke)達400比(bi)1,這樣可(ke)(ke)(ke)(ke)(ke)以(yi)減少變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)規(gui)格(ge)品種(zhong)。如，通(tong)(tong)常壓力(li)(li)比(bi)較(jiao)寬廣的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)現(xian)場(chang)采用(yong)(yong)(yong)(yong)(yong)智能(neng)(neng)(neng)(neng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)減少使用(yong)(yong)(yong)(yong)(yong)規(gui)格(ge)種(zhong)類；而溫(wen)(wen)度測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)僅需一(yi)種(zhong)規(gui)格(ge)。因此,采用(yong)(yong)(yong)(yong)(yong)智能(neng)(neng)(neng)(neng)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)提(ti)(ti)高(gao)(gao)了(le)(le)(le)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)通(tong)(tong)用(yong)(yong)(yong)(yong)(yong)性(xing)(xing)(xing)(xing)和(he)互(hu)換(huan)性(xing)(xing)(xing)(xing)。F,輸(shu)出(chu)(chu)可(ke)(ke)(ke)(ke)(ke)設定為(wei)恒流信(xin)號(hao)(hao)(hao)源 這一(yi)特(te)(te)點不(bu)僅可(ke)(ke)(ke)(ke)(ke)作(zuo)(zuo)為(wei)系(xi)(xi)(xi)統正(zheng)確性(xing)(xing)(xing)(xing)檢查的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)二次(ci)校(xiao)正(zheng)手段(duan),而且還(huan)可(ke)(ke)(ke)(ke)(ke)以(yi)進行控(kong)(kong)制系(xi)(xi)(xi)統的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)動態模(mo)擬,檢查控(kong)(kong)制系(xi)(xi)(xi)統的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)動作(zuo)(zuo)過(guo)程(cheng)(cheng)(cheng),為(wei)自(zi)(zi)(zi)動控(kong)(kong)制系(xi)(xi)(xi)統的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)調(diao)(diao)試帶來方(fang)(fang)(fang)(fang)便(bian)。G,具(ju)(ju)有PID控(kong)(kong)制功(gong)(gong)能(neng)(neng)(neng)(neng) PID功(gong)(gong)能(neng)(neng)(neng)(neng)屬軟件(jian)功(gong)(gong)能(neng)(neng)(neng)(neng),在產品硬件(jian)上(shang)(shang)沒額(e)外增加(jia),所(suo)以(yi)帶PID功(gong)(gong)能(neng)(neng)(neng)(neng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)同(tong)(tong)樣可(ke)(ke)(ke)(ke)(ke)以(yi)在大(da)量(liang)(liang)(liang)(liang)變(bian)(bian)(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)場(chang)合(he)(he)發揮作(zuo)(zuo)用(yong)(yong)(yong)(yong)(yong)。通(tong)(tong)過(guo)PID功(gong)(gong)能(neng)(neng)(neng)(neng)實(shi)(shi)現(xian)閉環自(zi)(zi)(zi)動化，PID控(kong)(kong)制功(gong)(gong)能(neng)(neng)(neng)(neng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)是(shi)現(xian)場(chang)總線儀(yi)表(biao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)趨勢(shi)。
智能變送器的線路板模塊(kuai)(kuai)是一塊(kuai)(kuai)采用專用集成電路（ASICS）和(he)表面封裝(zhuang)技(ji)術的模塊(kuai)(kuai)。模塊(kuai)(kuai)接收來自傳感器的信(xin)號并進(jin)行(xing)優化。輸出部分將信(xin)號進(jin)行(xing)D/A裝(zhuang)換(huan)，并可與HART和(he)分控系統(tong)軟(ruan)件進(jin)行(xing)通(tong)信(xin)。
輸入轉換(huan) A/D轉換(huan)電路采用(yong)低(di)功耗集成(cheng)電路，將信(xin)號(hao)進行一系列(lie)的優化轉化。
智(zhi)能處(chu)理 智(zhi)能變送器*模(mo)塊同時(shi)控(kong)制輸入和輸出信號轉換工(gong)作的(de)，并(bing)且自(zi)動診斷及實現(xian)數(shu)字通(tong)訊。工(gong)作時(shi)，傳感器的(de)測量信號被(bei)模(mo)塊所處(chu)理，并(bing)作為數(shu)字存儲，以(yi)確保(bao)精密的(de)修(xiu)正和工(gong)程(cheng)單位的(de)轉換。此(ci)外也能完成傳感器的(de)線(xian)性(xing)化(hua)、量程(cheng)比、阻尼時(shi)間、報警以(yi)及其它功能設定(ding)。
EEPROM存儲(chu) EEPROM存儲(chu)所(suo)有的(de)(de)特性及數字微(wei)調的(de)(de)參數，存儲(chu)器為(wei)非易失性的(de)(de)，因(yin)此即使斷(duan)電，所(suo)存儲(chu)的(de)(de)數據(ju)仍能完(wan)好(hao)保(bao)持(chi)，以隨(sui)時(shi)實現智能通訊。
輸(shu)(shu)出(chu)轉換(huan) D/A轉換(huan)將經過(guo)(guo)變送器的經過(guo)(guo)校正的裝換(huan)成輸(shu)(shu)出(chu)信號給回路，達到變送目(mu)的。
數字通訊(xun) 通過一(yi)臺通訊(xun)器，對智能變送器進行測試。
現(xian)(xian)代(dai)工業自動化大量采用(yong)現(xian)(xian)代(dai)智能(neng)型的(de)傳感器(qi)(qi)與執行器(qi)(qi)，使得這些智能(neng)儀器(qi)(qi)之間的(de)信號(hao)傳遞不(bu)再局限于(yu)模(mo)擬信號(hao)，傳統(tong)的(de)點對點連接方式也必然帶來連線復雜、系(xi)(xi)(xi)(xi)統(tong)不(bu)可(ke)靠等弊端。因而需要一(yi)種(zhong)能(neng)夠在工廠(chang)現(xian)(xian)場(chang)傳遞總(zong)線方式，即現(xian)(xian)場(chang)的(de)通(tong)信網絡(luo)。智能(neng)變送(song)器(qi)(qi)就是為適(shi)用(yong)此種(zhong)現(xian)(xian)代(dai)工業自動化系(xi)(xi)(xi)(xi)統(tong)而產生的(de)，這是一(yi)種(zhong)必然的(de)趨勢。如德國莫(mo)特的(de)智能(neng)溫(wen)度變送(song)器(qi)(qi)MTP系(xi)(xi)(xi)(xi)列也是為適(shi)應(ying)現(xian)(xian)代(dai)這種(zhong)分控系(xi)(xi)(xi)(xi)統(tong)而研(yan)制(zhi)出來的(de)，在溫(wen)度監測方面就具(ju)非常(chang)不(bu)錯的(de)效果。介質可(ke)視(shi)化的(de)進(jin)步，才(cai)能(neng)推動工業自動化進(jin)程！