2/2/2020FIELDVUE智能仪表家族DVC5000fFieldBusDVC6000DVC6000SISforSafetyInstrumentSystemDVC2000375Communicator(HART&FF)DLC3000ValveLink(HART&FF)DVC6000fFieldBus2/2/2020现在有了FIELDVUEDVC6000系列,可用于双作用场合,不需要另外的附件产品的演变2/2/2020单作用应用于双作用场合用于双作用,需要外加一个气路反向器2/2/2020DVC6000系列结构模块化设计结构相同,不管是直通阀还是旋转阀减少备件库存维护简单2/2/2020主板与接线盒密封的电子器件防止粉尘、潮气及水的侵入2/2/2020DVC6000系列工作原理气动放大器I/P转换器l终端盒表表表印刷线路板(PWB)输出A输出B驱动信号I/P输出压力气源输入信号行程传感器提供反馈EndBuild小循环反馈压力传感器2/2/2020I/P转换器FlapperArmature(withflexurehingeatthebottom)Electro-magneticcoilwinding(insideofbody)“NozzleBlock”2/2/2020I/P转换器工作原理FlexureStripArmatureFlapperNozzlePressureElectricalConnectionCoilModulatedPressureLowDriveSignaltoI/PCoilIncreasedDriveSignaltoI/PCoilnewflap2Figure2-10.ConceptofI/POperation;FlapperMovementExaggerated2/2/2020DVC6000系列印刷电路板(PWB)2/2/2020potFigure4-12.TravelSensorPotentiometerDVC6000系列行传感器2/2/2020DVC6000系列行程传感器组件2/2/2020DVC5000系列壳体2/2/2020DVC6000系列终端盒通信端子测试端子全不锈钢全塑封2/2/20201.DVC6010的安装DVC6000系列安装2/2/2020DVC6010与执行机构的连接2/2/2020DVC6010与执行机构的连接2/2/2020DVC6010安装于667/657执行机构(行程2’)667执行机构时,销钉放入A孔657执行机构时,销钉放入B口2/2/2020DVC6010反馈臂2/2/2020DVC6010安装于667/657执行机构(行程2’)重要提示:1.调整臂销钉必须置于补偿弹簧之上2.销钉位置对应阀门行程2/2/2020DVC6010安装于667/657执行机构(行程2’)采用加长反馈臂2/2/20202.DVC6020的安装DVC6000系列安装2/2/2020DVC6020的反馈机构2/2/2020重要提示:1.凸轮应固定紧2.滚轮与凸轮接触良好,无间隙3.补偿弹簧安装正确DVC6020安装于1052执行机构2/2/2020DVC6020安装于667/657执行机构(行程4’)2/2/20203.DVC6030的安装DVC6000系列安装2/2/2020DVC6030与DVC6020比较2/2/2020执行机构驱动轴的连接件2/2/2020定位销的定位2/2/2020DVC安装在不同的执行机构上2/2/2020远程安装12/2/2020远程安装22/2/2020DVC远程安装---秦山核电2/2/2020基本设置和行程校验DVC调试2/2/2020基本设置2/2/2020基本设置MaxSupplyPressure:UseFactoryDefaultsforSetUp:YesPressureUnit:ActuatorMake:ActuatorModel:ActuatorSize:SupplyPressureActuatorInformationFactorySettings2/2/2020整定参数值2/2/2020系统方框图电信号反馈:反应速度快,精度高专利的二阶控制模式MLFB领先其他任何产品前置增益输入信号I/P&放大器放大器位置执行机构&阀门阀门行程小回路反馈增益速度反馈增益---++2/2/2020整定参数值的选择2/2/2020AutoTravelCalibration3StepsandthevalveisCalibrated!!行程校验2/2/2020确定交叉点2/2/2020确定交叉点0510152025-5TravelActuatorPressure(psig)0%Travel(FullyClosed)travel1100%Travel(FullyOpened)TravelSensorCountsMarkedFor0%TravelTravelSensorCountsMarkedFor100%TraveltravelaLowerStopUpperStopCompensatingSignalFromPWBLinearResultOfAddingTwoSignalsSignalFromPotentiometer(ChangingMomentArm)CrossoverAdjustmentMovesCompensatingSignalLeftorRightValveTravelSignal%crossoverA.TravelEndPointsB.Crossover(SlidingStemOnly)Figure6-2.TasksPerformedDuringTravelCalibration2/2/2020稳定/优化性能•OptimizeFIELDVUEPerformance•Intuitivetouse•GraphitePackingsupport•TuningInformation2/2/2020行程传感器校验DVC6010AlignmentAlignmentPin(key46).7511.52AB5010cntaholeBackEdgeofBaseUnitBackEdgeofArmParallelw/BaseUnit5020armPotentiometerShaftArmAssembly(key91)ArmAssemblyPinDVC6020Alignment2/2/2020行程传感器校验AdjustmentoftravelsensorPotentiometerShaftScrewdriverBladeSecureFeedbackArmWhileAdjustingCountsadjcounts2/2/2020行程传感器计数