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1、3/16/2023DVC5000fFieldBusDVC6000DVC6000 SIS for Safety Instrument SystemDVC2000375 Communicator(HART & FF)DLC3000ValveLink(HART & FF)DVC6000fFieldBus3/16/2023现在有了现在有了 FIELDVUE DVC6000 系列，可用于双作用场合，系列，可用于双作用场合，不需要另外的附件不需要另外的附件3/16/2023用于双作用，需要外加一个气路反向器用于双作用，需要外加一个气路反向器3/16/2023l 模块化设计模块化设计l 结构相同，不管是结构
2、相同，不管是 直通阀还是旋转阀直通阀还是旋转阀l 减少备件库存减少备件库存l 维护简单维护简单3/16/2023密封的电子器件密封的电子器件 防止粉尘、潮气及水的侵入3/16/2023气动放大器气动放大器I/P 转换器转换器l终端盒终端盒表表表表表表印刷线路板印刷线路板 (PWB)输出输出 A输出输出 B驱动驱动信号信号I/P 输出压力输出压力气源气源输入信号输入信号行程传感器行程传感器提供反馈提供反馈End Build小循环反馈小循环反馈 压力传感器压力传感器3/16/2023FlapperArmature(with flexure hinge at the bottom)Electro-
3、magneticcoil winding(inside of body)“Nozzle Block”3/16/2023FlexureStripArmatureFlapperNozzlePressureElectricalConnectionCoilModulatedPressureLow Drive Signal to I/P CoilIncreased Drive Signal to I/P Coilnewflap2Figure 2-10 . Concept of I/P Operation; Flapper Movement Exaggerated3/16/20233/16/2023pot
4、Figure 4-12. Travel Sensor Potentiometer3/16/20233/16/20233/16/2023通信端子通信端子测试端子测试端子全不锈钢全不锈钢全塑封全塑封3/16/20231. DVC6010的安装的安装3/16/20233/16/20233/16/2023667 667 执行机构时执行机构时, ,销钉放入销钉放入 A A 孔孔657 657 执行机构时执行机构时, ,销钉放入销钉放入 B B 口口3/16/20233/16/2023重要提示重要提示:1. 调整臂销钉调整臂销钉 必须置于补必须置于补 偿弹簧之上偿弹簧之上2. 销钉位置对销钉位置对 应阀门
5、行程应阀门行程3/16/2023采用加长反馈臂采用加长反馈臂3/16/20232. DVC6020的安装的安装3/16/20233/16/2023重要提示：重要提示：1. 凸轮应固定紧凸轮应固定紧2. 滚轮与凸轮接滚轮与凸轮接 触良好，无间触良好，无间 隙隙3. 补偿弹簧安装补偿弹簧安装 正确正确3/16/20233/16/20233. DVC6030的安装的安装3/16/20233/16/20233/16/20233/16/20233/16/20233/16/20233/16/20233/16/2023基本设置和行程校验基本设置和行程校验3/16/20233/16/2023Max Suppl
6、y Pressure:Use Factory Defaults for SetUp:YesPressure Unit:Actuator Make:Actuator Model:Actuator Size:Supply PressureActuator InformationFactory Settings3/16/20233/16/2023电信号反馈：反应速度快，精度高电信号反馈：反应速度快，精度高专利的二阶控制模式专利的二阶控制模式MLFB领先其他任何产品领先其他任何产品前置增益前置增益输入输入信号信号I/P &放大器放大器放大器放大器位置位置执行机构执行机构 &阀门阀门阀门行程阀门行程小回
7、路反馈增益小回路反馈增益速度反馈增益速度反馈增益-+3/16/20233/16/2023Auto TravelCalibration3 Steps and the valve is Calibrated!3/16/20233/16/20230510152025-5Travel Actuator Pressure (psig)0% Travel(FullyClosed)travel1100%Travel(FullyOpened)Travel Sensor CountsMarked For 0% TravelTravel Sensor CountsMarked For 100% Traveltra
8、velaLower StopUpper StopCompensatingSignal From PWBLinear ResultOf Adding TwoSignalsSignal FromPotentiometer(Changing Moment Arm)Crossover AdjustmentMoves CompensatingSignal Left or RightValve TravelSignal %crossoverA. Travel End PointsB. Crossover(Sliding Stem Only)Figure 6-2. Tasks Performed Durin
9、g Travel Calibration3/16/2023 Optimize FIELDVUE Performance Intuitive to use Graphite Packing support Tuning Information 3/16/2023DVC6010 AlignmentAlignment Pin (key 46).75 1 1.5 2AB5010cntaholeBack Edge of Base UnitBack Edge of Arm Parallelw/Base Unit5020armPotentiometerShaftArm Assembly(key 91)ArmAssemblyPinDVC6020 Alignment3/16/2023Adjustment of travel sensorPotentiometer ShaftScrewdriver BladeSecure Feedback ArmWhile Adjusting Countsadjcounts3/16/2023
