DVC2000-操作指导

EducationalServicesIntroductiontotheDVC20002©EducationalServices-DuplicationProhibited1404–ValveTechnicianIDVC2000GeneralFeaturesIntrinsicallySafeSingleactingLinkage-less,non-contact,positionfeedbackLocalUserInterface(LCDandpushbuttons)Multi-lingual(English,French,German,Italian,Spanish,Chinese,Japanese)HARTCommunicatingIntegratedLimitSwitches(2)Integrated4-20mAPositionTransmitter3©EducationalServices-DuplicationProhibited1404–ValveTechnicianIPrincipleofOperationTRAVEL=66.8%14.6MA0.92BARTRAVEL=66.8%14.6MA0.92BARSingleActingRelayI/PConverterI/PPressureSignalI/PPressureSignalAirSupplyAirSupplyMinorLoopFeedbackMinorLoopFeedbackActuatorPressureSensorDriveSignalDriveSignalTerminations&PositionSensorBoardInputSignal(4-20mA,9volts)InputSignal(4-20mA,9volts)OutputOutputNon-contactPositionFeedbackNon-contactPositionFeedback4©EducationalServices-DuplicationProhibited1404–ValveTechnicianIExplodedViewHousingTerminationsandSensorBoardManifoldAssemblyMainBoardwithLCDandPushbuttonsEMIShieldEnvironmentalCoverwithLensHousingVentTerminationsandSensorBoardManifoldAssemblyMainBoardwithLCDandPushbuttonsEMIShieldEnvironmentalCoverwithLens5©EducationalServices-DuplicationProhibited1404–ValveTechnicianINon-Contact,LinkagelessFeedbackSlidingStemlLinearstemmovementlNolinkageslNocontactingpartsTopViewMagnetArrayStemConnectorTerminal/SensorBoard(mountedtoDVC2000housing)6©EducationalServices-DuplicationProhibited1404–ValveTechnicianINon-Contact,LinkagelessFeedbackRotaryl90degreerotationlNolinkageslNocontactingparts7©EducationalServices-DuplicationProhibited1404–ValveTechnicianIGXMounting-IntegralPortMagnetArrayAirPassageMountingPad8©EducationalServices-DuplicationProhibited1404–ValveTechnicianII/OOptionsPositioneronlyPositioneronlyPositionerPositionerwithoptionswithoptionsPositionerPositionerwithoptionswithoptionslLoopWiring–4-20mALoopInput–HARTconnectionpoints–9VDCminimumlTransmitter–4-20mAOutput–8-30VDCrequired–1%oftravelspanaccuracylTransmitter–4-20mAOutput–8-30VDCrequired–1%oftravelspanaccuracylLimitSwitches(2)–OFF:1mA,ON:4mA–5-30VDCrequired–2%oftravelspanaccuracylLimitSwitches(2)–OFF:1mA,ON:4mA–5-30VDCrequired–2%oftravelspanaccuracy9©EducationalServices-DuplicationProhibited1404–ValveTechnicianITransmitterFailOptionSwitch10©EducationalServices-DuplicationProhibited1404–ValveTechnicianILCDandButtons-LocalUserInterface(LUI)LUIAccesstotheFollowing:•QuickSetup•TravelCalibration•Tuning•DetailedSetup•AnalogInputCalibration•PositionTransmitterCalibration•LocalControl•LanguageSelection•InstrumentProtection(fromLUI)11©EducationalServices-DuplicationProhibited1404–ValveTechnicianIExercise3.ViewBasicDeviceInformationPressRightButtonOneTime12©EducationalServices-DuplicationProhibited1404–ValveTechnicianIExercise4.SelectaLanguagePressAllFourArrowButtonsforThreeSeconds13©EducationalServices-DuplicationProhibited1404–ValveTechnicianIExercise5.RuntheSetupWizardPresstheDownArrowButtonOnce.SetupParameterDefaultsDefaultSettingZeroControlSignalValveClosedPressureUnitsBARorPSIGInputRangeLow4mAInputRangeHigh20mACharacteristicLinearTransmitter(optionalfeature)4mA=ValveClosedSwitch1TripPoint(optionalfeature)90%Switch1Closed(optionalfeature)Above90%Switch2TripPoint(optionalfeature)10%Switch2Closed(optionalfeature)Below10%14©EducationalServices-DuplicationProhibited1404–ValveTechnicianIExercise6.RuntheTravelCalibrationMethodPresstheDownArrowButtonTwoTimesManualwhentherearenohardstops,forlargeslowactuators,andwhenadvisedAutoforallotherapplications15©EducationalServices-DuplicationProhibited1404–ValveTechnicianIExercise7.TunetheDVCPresstheDownArrowButtonThreeTimesManualOnlyWhenAutoFails16©EducationalServices-DuplicationProhibited1404–ValveTechnicianIExercise8.ViewDetailedSetupParametersPresstheDownArrowButtonFourTimes17©EducationalServices-DuplicationProhibited1404–ValveTechnicianIExercise9.CalibratetheAnalogInputPresstheDownArrowButtonFiveTimes18©EducationalServices-DuplicationProhibited1404–ValveTechnicianIExercise10.ExerciseLocalControlPresstheDownArrowButton6/7Times(PositionXmtr?)19©EducationalServices-DuplicationProhibited1404–ValveTechnicianIFIN