PMC51PMP51压力变送器——英文资料

TI00436P/00/EN/15.11No.71134874TechnicalInformationCerabarMPMC51,PMP51,PMP55ProcesspressuremeasurementPressuretransmitterwithceramicandmetalsensors;WithanalogelectronicsorcommunicationviaHART,PROFIBUSPAorFOUNDATIONFieldbusApplicationTheCerabarMpressuretransmitterisusedforthefollowingmeasuringtasks:•Absolutepressureandgaugepressuremeasurementingases,steamsorliquidsinallareasofprocessengineeringandprocessmeasurementtechnology•Level,volumeormassmeasurementsinliquids•Highprocesstemperature–withoutdiaphragmsealsupto130°C(266°F)–withdiaphragmsealsupto400°C(752°F)•Highpressureupto400bar(6000psi)•InternationalusagethankstoawiderangeofapprovalsYourbenefits•Verygoodreproducibilityandlong-termstability•Highreferenceaccuracy:upto±0.15%,asPLATINUMversion:±0.075%•Turndownupto100:1•End-to-endmodularityfordifferentialpressure,hydrostaticsandpressure(DeltabarM–DeltapilotM–CerabarM),e.g.–replaceabledisplay–universalelectronics•Easycommissioningwithouttheneedforanoperatingtool•Easyandsafemenu-guidedoperation–on-siteviadisplaymodule–via4to20mAwithHART–viaPROFIBUSPA–viaFOUNDATIONFieldbus•DeviceversionscompliantwithASME-BPECerabarMPMC51,PMP51,PMP552Endress+HauserTableofcontentsFunctionandsystemdesign.....................4Deviceselection......................................4Measuringprinciple...................................5Levelmeasurement(level,volumeandmass)................6Electricaldifferentialpressuremeasurementwithgaugepressuresensors.............................................6Systemintegration(exceptanalogelectronics)................6Communicationprotocol...............................7Input......................................8Measuredvariable....................................8Measuringrange......................................8Explanationofterms..................................10Output....................................11Outputsignal.......................................11Signalrange........................................11Signalonalarm.....................................11Load-4to20mAanalogand4to20mAHART............11Resolution.........................................11Deadtime,Timeconstant..............................12Dynamicbehavior:currentoutput(analogelectronics)........12Dynamicbehavior:currentoutput(HARTelectronics)........12Dynamicbehavior:digitaloutput(HARTelectronics).........12Dynamicbehavior:PROFIBUSPA........................13Dynamicbehavior:FOUNDATIONFieldbus................13Damping..........................................13DataoftheFOUNDATIONFieldbusinterface...............14Powersupply...............................16Electricalconnection.................................16Supplyvoltage......................................18Start-upcurrentHART................................19Currentconsumption.................................19Cableentry........................................19Cablespecification...................................19Residualripple......................................19Influenceofpowersupply..............................19Performancecharacteristics–general............19Referenceoperatingconditions..........................19Uncertaintyofmeasurementforsmallabsolutepressureranges..19Long-termstability...................................20Influenceoforientation...............................20Warm-upperiod.....................................20Performancecharacteristics–ceramicprocessisolatingdiaphragm.................................21Referenceaccuracy–PMC51...........................21Totalperformance–PMC51...........................21Totalerror-PMC51..................................22Thermalchangeinthezerooutputandtheoutputspan–PMC51.22Performancecharacteristics–metalprocessisolatingdiaphragm.................................23Referenceaccuracy–PMP51,PMP55....................23Totalperformance–PMP51...........................24Totalerror-PMP51..................................24Thermalchangeinthezerooutputandtheoutputspan–PMP51andPMP55...........................................24Operatingconditions(installation)..............25Generalinstallationinstructions.........................25Measuringarrangementfordeviceswithoutdiaphragmseal–PMC51,PMP51....................................25Measuringarrangementfordeviceswithdiaphragmseal–PMP55..........................................25Wallandpipemounting...............................25Separatehousingversion.............................26Oxygenapplications..................................27PWIScleaning......................................27Ultrapuregasapplications..............................27Applicationswithhydrogen............................27Operatingconditions(environment).............28Ambienttemperaturerange............................28Storagetemperaturerange.............................28Degreeofprotection.................................28Climateclass.......................................28Vibrationresistance..................................29Electromagneticcompatibility..........................29Overvoltageprot