CEMS-9021煙氣在線檢測系統(tǒng)送電及調(diào)試步驟(中英文對照)

1、SICKMAIHAKSICKMAIHAKCEMS-9021煙氣在線檢測系統(tǒng)送電及調(diào)試步驟9021CEMS-on-linedetectionsystemfluegastransmissionandcommissioningprocedures一、CEMS-9021煙氣在線檢測系統(tǒng)儀表間送電步驟A,CEMS-9021on-linedetectionsystemfluegasmeterbro-kensteps.Between二、CEMS-9021煙氣在線檢測系統(tǒng)平臺配電箱設(shè)備送電步驟Second,CEMS-9021fluegasdistributionboxon-linedetectionsyste

2、mplatformbro-kensteps.Equipment三、s71(紅外主機及氧化鋯校準步驟Third,s710infraredhostandzirconiacalibrationsteps四、按鈕操作注意事項Four,buttonoperationcaution五、數(shù)據(jù)監(jiān)控(DAS)Five,datamonitoring(DAS)六、系統(tǒng)反吹設(shè)置、探頭濾芯跟換條件、自動校準的設(shè)置Six,systemcounterblowingSettings,probesfilterfollowchangeconditions,automaticcalibrationSettings七、CEMS-90

3、21平臺設(shè)備調(diào)試步驟Seven,CEMS-9021platformequipmentdebuggingsteps八、檢查所有檢測數(shù)據(jù)的電流信號(4-20mA)Eight,checkallthetestingdataofthecurrentsignal(4-20mA)九、s71(紅外主機故障信息及查詢方式Nine,s710infraredhostfaultinformationandinquirestheway十、流速故障信息可在說明書中查詢。Ten,velocity,faultinformationinthespecificationinquirescanbe.十一、冷凝壓縮機運行及故障可在說

4、明書中查詢。Eleven,condensingcompressoroperationinthespecificationandbreakdowncanquery.一、CEMS-9021煙氣在線檢測系統(tǒng)儀表間送電步驟A,CEMS-9021on-linedetectionsystemfluegasmeterbro-kensteps.Between第一步：檢查儀表間設(shè)備接線Thefirststep:inspectioninstrumentroomequipmentwiring1、CEMS-9021煙氣在線檢測系統(tǒng)儀表間配電箱接線是否正確2、按圖紙檢查CEMS-9021機accordingtothed

5、rawingcheck9021CEMS-betweenon-linedetectionsystemfluegasmeterdistributionboxwiringiscorrect柜接線是否正確accordingtothedrawing9021cabinetswiringCEMS-checkwhetheritisright3、以上步驟接線正確后方可送電運行。3andthestepsabovewiringrightrearcansendoperation.第二步：儀表間配電箱送電Thesecondstep:meterdistributionboxbro-kenbetween1、開關(guān)合閘(F00

6、)1,instrumentroomentranceswitchoff(distributionboxF00)2、儀表間配電箱F01上口進線位置可測的380V，主電源正確。2,instrumentF01betweendistributionboxflowingintolinepositionmeasurable380V,mainscorrect.3、F01合閘后，其他控制開關(guān)F11上口進線位置可測的380V，F(xiàn)12、F13上口進線位置可測的220VafterF01off,othercontrolswitchF11flowingintolinepositionmeasurable380V,flow

7、ingintolinejoin,F13positionmeasurable220V第三步：CEMS-9021機柜送電檢查Step3:9021cabinetCEMS-eithercheck1、F12合閘送電，CEMS-9021機柜內(nèi)咅EF10漏電開關(guān)進線端子送電成功，可用萬用表檢查電壓為220v。join9021CEMS-eitherclosebrakecabinetinteriorF10leakageswitchintoline,usablemultimeterbro-kensuccessfulterminalscheckvoltageis220v.2、儀表間配電箱送電后，CEMS-9021機

8、柜內(nèi)部F20漏電開關(guān)進線端子送電成功，可用萬用表檢查電壓為220v。2,instrumentdistributionbox,electrictransmissionbetweenCEMS-9021F20leakageswitchcabinetinteriorintolineterminals,usablemultimeterbro-kensuccessis220vcheckvoltage.第四步：CEMS-9021機柜內(nèi)部開關(guān)送電Fourthstep:9021CEMS-eitherinternalswitchcabinet1、F10合閘送電1,F10closebrakecapacity2、門禁

9、開關(guān)送電，機柜電源燈亮起。2,accesscontrolswitchcabinetpowersupplycapacity,litup.3、F2：PLC點亮F2:PLClighted4、F3：1769-DV16點亮DV16F3:1769-igl6lights5、F4：s710運仃s710operationF4:6、F5:采樣泵運行(在按下運行按鈕時候)F5:samplingpumprunning(inpress)therunbutton7、F6：風度達到35度方可運行)7andF6:fanoperation(35degreesinthetemperaturereachesmayrun)8F7:冷

10、凝壓縮機和蠕動泵運行F7:condensingcompressorandperistalticpumpoperation9、F8：插座電源F8:socketpowersupply第五步:伴熱帶送電Step5:withtropicalsend1、F20合閘，伴熱帶運行。F20off,withtropicaloperation.2、觸摸伴熱帶有溫度(溫度在110度左右)2,touchwithtropicaltemperature(temperaturein110degreesorso)CEMS-9021機柜送電完成，等待4小時后系統(tǒng)充分穩(wěn)定后方可對S710紅外分析儀進行校準。Cabinet9021

11、CEMS-eitherfourhoursafterfinish,waitingtostablesystemisfullybehindthecalibrationS710infraredanalyzer.二、CEMS-9021煙氣在線檢測系統(tǒng)平臺配電箱設(shè)備送電步驟Second,CEMS-9021fluegasdistributionboxon-linedetectionsystemplatformbro-kensteps.Equipment第一步：平臺設(shè)備接線檢查Thefirststep:platformequipmentwiringinspections1、按圖紙檢查平臺配電箱接線是否正確。a

12、ccordingtothedrawingcheckwhetheritisrightdistributionboxwiringplatform.2、按圖紙檢查平臺設(shè)備接線是否正確。2,accordingtothedrawingcheckplatformiscorrect.Equipmentconnect3、以上步驟接線正確后方可送電運行。3andthestepsabovewiringrightrearcansendoperation第二步：送電檢查Thesecondstep:sendcheck1、在儀表間配電箱中F11合閘后，平臺配電箱總電源閘F0進線端子出可用萬用表檢查有380V，送電正確。o

13、nthemeterinbetweenF11offdistributionboxaftertotalpowerdistributionbox,platformF0intolineterminalsluicemultimetertocheckausable,sendcorrect.A380V2、其他開關(guān)F1上口進線位置可測的380V,、F2、F3、F4上口進線位置可測的220V。otherswitchflowingintolinepositionofF1measurable380V,F2,F3,flowingintolineF4positionmeasurable220V.第三步：F2合閘，取樣探

14、頭加熱開始。Step3:F2closebrake,samplingprobeheatingbegin.第四步：F3合閘，流速顯示單元屏幕點亮Fourthstep:F3closebrake,velocitydisplayelementscreenlighted第五步：氧化鈣設(shè)備送電，設(shè)備點亮。Step5:caoequipmentcapacity,equipmentlighted.平臺配電箱檢查接線送電完畢Platformbro-kendistributionbox.Checkwiringcompleted三、s71（紅外主機及氧化鋯校準步驟Third,s710infraredhostandzir

15、coniacalibrationsteps校準數(shù)值的設(shè)置：CalibrationnumericalSettings:S710紅外分析儀主機測量組分為：S02、NO,CO,C02；使用高純氮氣為零點氣體，可以在6、3、2、1中進行設(shè)定，分別設(shè)定4個組分的被測項為0;在6、3、2、3-6中分別設(shè)置SO2、NO，CO，CO2的終點數(shù)值（根據(jù)氣瓶濃度值為準）。S710infraredanalyzerhostmeasurementgroupisdividedinto:SO2,NO,COandCO2；Usehighpuritynitrogengas,canbeinforzero6,3,2,1Setting

16、s,setupseparatelymeasuredbyfourcomponentsofa0；InJune,3,2,3-6setrespectivelySO2,NO,CO,CO2endnumerical（accordingtosubjectcylindersdensity.零點校準：Zerocalibration:關(guān)閉自動取樣按鈕，按下【手動校準】按鈕時，系統(tǒng)處于手動校準狀態(tài)（校準指示燈亮）。此時可按下所要校準組分的按鈕，進行校準組分的校準。Offtheautomaticsamplingbutton,pressmanualcalibrationbutton,thesysteminmanualca

17、librationstatus(calibrationindicator).Atthispointpressthebuttontocalibrationcomponents,componentsofcalibration.Calibration1、校準氣體分析儀的零點，按一下【N2】按鈕，【N2】燈亮1,calibrationgasesanalyzerzero,click【N2】button,N2】emitlight后系統(tǒng)的零點氣N2閥（Y1.4）打開，零點氣N2向氣體分析儀供氣，這時可以調(diào)節(jié)樣氣流量計使之滿足流量后（即氣體分析儀的流量指示0.5到0.7L/min左右，充氣時間最少1分鐘）即可

18、操作氣體分析儀”進行其零點校準。AfterthesystemzerogasN2valve(Y1.4)open,zerogasN2gasanalyzer,gas,thentothesamplegasflowmetercanbeadjustedtomeettraffic(namelytheflowofgasanalyzer0.5to0.7instructionsL/minorso,atleast1minute)chargingtimeoperategasanalyzer,foritszerocalibration.2、選擇4、2、1菜單，按回車鍵確認儀器開始校準；儀器校準完成后，屏幕上彈出對話框，

19、此時按下回車鍵，屏幕上顯示校準偏差數(shù)值，如果在允許范圍之內(nèi)，按下回車鍵確認，零點校準完畢后，再按動【N2】按鈕，使其恢復(fù)原狀（【N2】燈熄滅），這時N2氣閥（Y1.4）關(guān)閉。2,select4,2,1menu,pressthereturnkeyconfirminstrumentsbegancalibration;Calibrationofcompletion,screen,thenpopupdialogbox,presstodisplayscreencalibrationdeviationvalue,ifthescopeofthepermit,presstoconfirmthehorizonc

20、alibrationend,againpushing【N2】button,makeitsrestorable(【N2】lights),thenN2Y1.4)closeair(.S02終點校準:SO2endcalibration:1、校準氣體分析儀的零點，按一下【S021按鈕，【S02】燈亮1,calibrationgasesanalyzerzero,click【】,S02】buttonS02】emitlight后系統(tǒng)的標氣502閥（Y1.5）打開，S02向氣體分析儀供氣，這時可以調(diào)節(jié)樣氣流量計使之滿足流量后（即氣體分析儀的流量指示0.5到0.7L/min左右，充氣時間最少1分鐘）即可操作“氣體

21、分析儀”進行其零點校準。AfterthesystemstandardgasY1.5S02valve(S02)openstosupply,gasanalyzer,thencanadjustthesamplegasflowmeteraftertomeetflow(i.etheflowofgasanalyzer0.5to0.7instructionsL/minorso,atleast1minute)chargingtimeoperategasanalyzer,foritszerocalibration.2、選擇4、2、3菜單，按回車鍵確認儀器開始校準；儀器校準完成后，屏幕上彈出對話框，此時按下回車鍵

22、，屏幕上顯示校準偏差數(shù)值，如果在允許范圍之內(nèi)，按下回車鍵確認，零點校準完畢后，再按動【S02】按鈕，使其恢復(fù)原狀（【S021燈熄滅），這時S02氣閥（Y1.5）關(guān)閉。2,select4,2,3menu,pressthereturnkeyconfirminstrumentsbegancalibration;Calibrationofcompletion,screen,thenpopupdialogbox,presstodisplayscreencalibrationdeviationvalue,ifthescopeofthepermit,presstoconfirmthehorizoncalib

23、rationfinished,thenpressthebutton,S021【itsrestorable(S02lights),thenY1.5)closedS02valve(NO終點校準：NOdestinationcalibration:1、校準氣體分析儀的零點，按下【NO1按鈕,【NO1燈亮1,calibrationgasesanalyzerzero,clickNObutton,【NO1emitlight后系統(tǒng)的標氣N0閥(Y1.6)打開，N0向氣體分析儀供氣，這時可以調(diào)節(jié)樣氣流量計使之滿足流量后(即氣體分析儀的流量指示0.5到O.7L/min左右，充氣時間最少1分鐘)即可操作“氣體分析儀

24、”進行其零點校準。AfterthesystemstandardgasN0valve(Y1.6)open,N0gasanalyzer,gas,thentothesamplegasflowmetercanbeadjustedtomeetflowofgasanalyzer(i.e.flowindicatoris0.5to0.7L/minorso,atleast1minute)chargingtimeoperategasanalyzer,foritszerocalibration.2、選擇4、2、4菜單，按回車鍵確認儀器開始校準；儀器校準完成后，屏幕上彈出對話框，此時按下回車鍵，屏幕上顯示校準偏差數(shù)值

25、，如果在允許范圍之內(nèi)，按下回車鍵確認，零點校準完畢后，再按動【N01按鈕，使其恢復(fù)原狀（【N01燈熄滅），這時NO氣閥（Y1.6）關(guān)閉。2,select4,2,4menus,pressthereturnkeyconfirminstrumentsbegancalibration;Calibrationofcompletion,screen,thenpopupdialogbox,presstodisplayscreencalibrationdeviationvaluecalibrationendifthescopeofthepermit,presstoconfirmthehorizonagainp

26、ushingN01button,makeitsrestorable(N0lights),thenN0valve(Y1.6)closedCO終點校準：COendcalibration:1、校準氣體分析儀的零點，按一下【CO】按鈕，【C0】燈亮1,calibrationgasesanalyzerzero,click【CO】button,CO】emitlight后系統(tǒng)的標氣CO閥（Y1.7）打開，C0向氣體分析儀供氣，這時可以調(diào)節(jié)樣氣流量計使之滿足流量后（即氣體分析儀的流量指示0.5到0.7L/min左右，充氣時間最少1分鐘）即可操作“氣體分析儀”進行其零點校準。Afterthesystemstan

27、dardgasCOvalve（Y1.7）opentosupplygasanalyzer,CO,thencanadjustthesamplegasflowmeteraftertomeetflow（i.e.theflowofgasanalyzer0.5to0.7instructionsL/minorso,atleast1minute）chargingtimeoperategasanalyzer,foritszerocalibration.2、選擇4、2、5菜單，按回車鍵確認儀器開始校準；儀器校準完成后，屏幕上彈出對話框，此時按下回車鍵，屏幕上顯示校準偏差數(shù)值，如果在允許范圍之內(nèi)，按下回車鍵確認，零

28、點校準完畢后，再按動【CO】按鈕，使其恢復(fù)原狀（【CO】燈熄滅），這時CO氣閥（Y1.7）關(guān)閉。2,select4,2,5menu,pressthereturnkeyconfirminstrumentsbegancalibration;Calibrationofcompletion,screen,thenpopupdialogbox,presstodisplayscreencalibrationdeviationvalue,ifthescopeofthepermit,presstoconfirmthehorizoncalibrationend,againpushingCO】button,mak

29、eitsrestorable(CO】lights),thenCOvalve(Y1.7)closedC02終點校準:CO2endcalibration:1、校準氣體分析儀的零點，按一下【CO2】按鈕，【CO2】燈亮1,calibrationgasesanalyzerzero,click【emitlightCO2】button,CO2】后系統(tǒng)的標氣CO2閥（Y1.7）打開，CO2向氣體分析儀供氣，這時可以調(diào)節(jié)樣氣流量計使之滿足流量后（即氣體分析儀的流量指示0.5到0.7L/min左右，充氣時間最少1分鐘）即可操作氣體分析儀”進行其零點校準。AfterthesystemstandardgasCO2v

30、alve(Y1.7)open,CO2gasanalyzer,gas,thentothesamplegasflowmetercanbeadjustedtomeettraffic(namelytheflowofgasanalyzerO.5toO.7instructionsL/minorso,atleast1minute)chargingtimeoperategasanalyzer,foritszerocalibration2、選擇4、2、6菜單，按回車鍵確認儀器開始校準；儀器校準完成后，屏幕上彈出對話框，此時按下回車鍵，屏幕上顯示校準偏差數(shù)值，如果在允許范圍之內(nèi)，按下回車鍵確認，零點校準完畢后，再

31、按動【C02】按鈕，使其恢復(fù)原狀（【C02】燈熄滅），這時C02氣閥（Y1.7）關(guān)閉。2,select4,2,6menu,pressthereturnkeyconfirminstrumentsbegancalibration;Calibrationofcompletion,screen,thenpopupdialogbox,presstodisplayscreencalibrationdeviationvalue,ifthescopeofthepermit,presstoconfirmthehorizoncalibrationend,againpushingC02】button,makeits

32、restorable(【C02】lights),thenC02valve(Y1.7)closed02校準：按一下【02】按鈕，【02】燈亮后氧化鋯自動引入02標氣和空氣進行自動校準（流量控制在1L/min左右）。02calibration:click,02】buttonlightS02】afterintroducingzirconiaautomaticmarkinggaSandair02automaticcalibration(flowcontrolin1L/minorSo).以上是S710紅外分析儀零點和終點校準步驟及02校準步驟。Aboveiss710infraredanalyzerzer

33、oandendcalibrationproceduresand02calibrationStepS.標準氣非常昂貴且對人體有害，用完后請及時關(guān)閉氣瓶減壓閥。StandardgaSveryexpenSiveandharmfultohumanbody,pleaSepromptlyShutdownafteruSingcylinderpreSSure-reliefvalveS.當完成以上的工作后，按動【手動校準】按鈕使之彈起，此時整個校準過程完畢。若要重復(fù)某一過程，可重復(fù)上述操作，使之處于某種校準狀態(tài)。Whenfinishedabovework,pressthemanualcalibrationbut

34、tonmakeup,astheentirecalibrationprocessfinished.Ifwanttorepeataprocess,canrepeattheaboveoperation,makeinsomecalibrationstatus.四、按鈕操作注意事項Four,buttonoperationcaution在手動校準時，流量報警是被屏蔽的，即無法通過流量報警來提示氣體流量，須由操作人員來確認氣體流量是否滿足要求。inmanualcalibration,flowalarmisblocked,namelycannotpassflowalarmtotipgasflow,should

35、bemadebyoperatorstoconfirmthegasflowwhethermeettherequirements.若在操作中按下手動、取樣、反吹、校準中的兩個以上的按鈕，系統(tǒng)將執(zhí)行最先按下的按鈕的功能，后按下的按鈕功能視為無效操作。該按鈕的指示燈將出現(xiàn)頻閃，提示操作錯誤。請將該按鈕彈起復(fù)位。Ifintheoperationpressmanual,sampling,counterblowing,calibrationoftwoormorebutton,thesystemwillperformthefirstpressafterthefunctionalityofthebuttons,

36、clickbuttonfunctionsasinvalidoperation.Thisbuttonwillappearthestrobelights,indicatingoperatingerrors.Pleasesendthisbuttonpop-upreset.在結(jié)束前一個動作功能后，再開始下一個動作功能，以免造成不必要的誤操作，影響系統(tǒng)的正常運行。Intheend,afteramovementfunctiontoamovementfunction,soastoavoidunnecessarywrongoperation,influeneethesystemrunsnormally.系統(tǒng)中

37、自動運行狀態(tài)的優(yōu)先級為最高。即任何手動狀態(tài)功能在未結(jié)束的狀態(tài)下，只要啟動自動運行功能，系統(tǒng)就轉(zhuǎn)為自動運行狀態(tài)，其它手動功能視為無效，并有頻閃指示，提醒復(fù)位。Systemofautomaticworkingstatusasthehighestpriority.Whichmeansanymanualstatefunctioninsunfinishedstate,aslongasthestartupautorunfunction,thesystemintoautomaticoperationstate,othermanualfunctions,andthereisconsideredinvalids

38、trobeandinstructions,remindreset.若此時關(guān)閉自動狀態(tài)，手動”功能的指示燈仍頻閃，須復(fù)位后重新啟動該手動功能。Ifclosedthistimeautomaticstate,manualfunctionofstrobelightsstillmustreattachmentrestartthemanualfunctions.當系統(tǒng)處于自動狀態(tài)下，此時若開啟任意手動”功能，均視為無效操作，且指示燈頻閃，提示復(fù)位。Whenthesystemisinautomaticstate,thenifopenarbitrarymanualfunction,shallberegarde

39、dasinvalidoperation,andstrobelights,tipreset.當按下【手動/自動】按鈕后，且指示燈亮為自動狀態(tài)。系統(tǒng)進入自動運行狀態(tài)。在該運行狀態(tài)下系統(tǒng)可完成：自動采樣；自動反吹；自動校準（非系統(tǒng)的標準配置）；自動報警等功能。并能向相關(guān)設(shè)備（DAS系統(tǒng)、DCS系統(tǒng)）提供監(jiān)測數(shù)據(jù)、運行狀態(tài)和系統(tǒng)故障報警等信息。Whenpressmanually/automatic】button,andindicatorforautomaticstate.Systemsintoautomaticworkingstatus.Inthisoperationcanbecompletedund

40、erthestatesystem:automaticsampling;Automaticcounterblowing;Automaticcalibration(notsystemstandardconfiguration);Automaticalarmfunctions.Andrelatedequipment(includingDASsystemtoprovide,DCSsystemmonitoringdata,runningstateandsystemfaultalarmandotherinformation五、數(shù)據(jù)監(jiān)控(DAS)Five,datamonitoring(DAS)系統(tǒng)配備了西克

41、麥哈克(北京)儀器有限公司的DAS系統(tǒng)，也可以使用該系統(tǒng)中的控制“面板”，對系統(tǒng)進行手動操作。在操作DAS系統(tǒng)中的控制“面板”時，系統(tǒng)必須在自動運行狀態(tài),否則無效。煙氣在線檢測系統(tǒng)所有數(shù)據(jù)均可以在DAS中顯示。SystemequippedwithXiKewheathuck(Beijing)instrumentCo.,LTDsDASsystem,canalsousethissystem,thecontrolpanelofsystemoperatedmanually.IntheoperationofthecontrolDASsystem,thesystemmustfaceintheautomati

42、coperationstate,otherwiseisinvalid.On-linedetectionsystemflueinalldataareshowninDAS.六、系統(tǒng)反吹、探頭濾芯跟換條件、自動校準的設(shè)置Six,systemcounterblowing,probesfilterfollowchangeconditions,automaticcalibrationSettings1、自動反吹時間的設(shè)定：自動反吹時間的設(shè)定，與系統(tǒng)運行的工況有直接的關(guān)系，比如煙道中的含塵量、溫度、濕度等等。在一般的情況下，含塵量(干)V50mg/m3時，系統(tǒng)不需要自動反吹，1個月維護時，更換探頭濾芯即可。

43、1,automaticcounterblowingtimesetting:automaticcounterblowingtimeSettings,andsystemrunningcondition,suchasadirectrelationshipbetweentheflueHanChenLiang,temperature,humidityandsoon.Ingeneral,HanChenLiang(dry)50mg/m3,thesystemdoesnotneedautomaticcounterblowing,1monthsmaintenance,replacementprobefilterc

44、an.當X15-5、X15-6、X15-7不連接時，系統(tǒng)無自動反吹。WhenX15-5,6,X15X15-7notconnect,thesystemisautomaticcounterblowing當X15-6、X15-7連接時，系統(tǒng)有自動反吹。whenX15-6,X15-7connected,systemblowing.且每隔1h反吹次。Andonceevery1hcounterblowing.haveautomaticcounter當X15-5、X15-7連接時，系統(tǒng)有自動反吹。whenX15-5,X15-7connected,systemblowing.且每隔6h反吹一次。Andonce

45、every6hcounterblowing.haveautomaticcounter當X15-5、X15-6、X15-7連接時，系統(tǒng)有自動反吹。且每隔24h反吹一次。whenX15X15-5,6,7X15connection,systemhaveautomaticcounterblowing.Andonceevery24hcounterblowing.2、含塵量（干）T反吹更換探頭濾芯2,HanChenLiang(dry)Tcounterblowingreplacementprobefilter150mg/m31個月50mg/m35000mg/m31h酌情50mg/m3500mg/m35000

46、mg/m36h500mg/m35000mg/m31hdiscretionary該設(shè)定僅供參考。Thissetisonlyforreference.七、CEMS-9021平臺設(shè)備調(diào)試步驟Seven,CEMS-9021platformequipmentdebuggingsteps1、flowsic100m送電后需要設(shè)置探頭角度(60度)，探頭距離(根據(jù)煙道直徑計算出)，流速量程(0-40m/s)。1,flowsic100melectrictransmissionneeds,setuptheprobeAngle(60degrees),probedistance(accordingtocalculatethefluediameterandflowvelocityrange(0)-40m/s).2、使用SOPAS軟件設(shè)置，步驟有視頻。2,useSOPASsoftwareSettings,stepshavevideo.八、檢查所有檢測數(shù)據(jù)的電流信號（4-20mA）Eight,checkallthetestingdataofthecurrentsignal（4-20mA）檢測設(shè)備為萬用表，檢測電流信號位置在機柜內(nèi)部接線擴展端子上測量。T