plc和dcs_中英文翻译外文翻译_论文

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1、PLC和DCS_中英文翻译外文翻译_论文PLC和DCS_中英文翻译外文翻译_论文翻译原文DCSprincipleandPLCfoundationDCSprincipleandPLCfoundationDCSprincipleDistributedControlSystem(DCS)carriesonthecentralismmonitor,theoperation,themanagementandthedispersercontrolwhichisonekindofnewcontroltechnologyusingthecomputertechnologytothepro

2、ductionprocess.DCSisbaseonthecomputertechnology,thesignalprocessingtechnology,thesurveycontroltechnology,thecorrespondencenetworktechnology,theCRTtechnology,thegraphicaldisplaytechnologyandtheman-machineconnectiontechnologymutuallyseepsthedevelopmenttoproduce.DCSbothisdifferentwiththedisp

3、ersiblemeasuringappliancecontrol,anddifferentwithYujiChinesetypecomputercontrolsystem,butovercomesthetwoflawtoconcentratethetwosuperiority,ithasconcentratedfunctionandsoonsteplesscontrol,batchcontrol,logicsequentialcontrol,dataacquisition.BasiccomponentofDCSThelogicstructureofthesystemnee

4、dsrealizingbythephysicsstructure.Wecansumuptheirphysicsstructureasthestructureofthetypeof"agleamofpastthree"simply."firstline"referstoitsskeletoncomputernetwork,"thethree"meansthatjointhreekindsofdifferentkindsofnodesinthenetwork:Faceon-the-spotI/Owhichisaccusedofthecoursescenetocontrolan

5、dstand;Facingtheattenbant'soperator'sstation;FacingDCSsupervisetheadministrativestaff'sengineerstanding.PLC和DCS_中英文翻译外文翻译_论文I/OcontrolsthestationliveAnon-the-spotI/OiscontrolledandstoodtofinishdealingwithandrealizingthenetworknodeofdigitalcontrolDDC(DirectDigitalControl)directlytoon-the-s

6、potI/Oofcourse,therearethreemainfunctions:1,whichcarriedondigitizationofvariouskindsofon-the-spotcourseamount(suchastheflow,pressure),andthequantityafterdigitizingisstoredinthememory,formonekeepthesamewithon-the-spotcourseamountly,canone-oneisitvideoinrealtimeaccordingtoactualrunningsitua

7、tionwithneweron-the-spotcoursequantitytochangeinrealtiming;2,thereal-timedatagatheringourstationaresenttooperator'sstation,standingandotherengineerslivethroughthenetworkFOcontrolthestation,inordertorealizethesupervisionandcontrolofthewholesystem,atthesametimeitissto