Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation1比例插装电磁阀比例插装电磁阀Product OverviewProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation2什么情况下需要比例阀什么情况下需要比例阀什么情况下需要比例阀什么情况下需要比例阀 ? ? 能使用于移动和工业液压场合. 系统可以更有效率以及多功能. 在移动液压中，电气设备将更强大. 可以将阀安装靠近执行器以提高控制效果. 液压回路可以更为简单.Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation3如何工作如何工作如何工作如何工作? ? ? ?放大器信号电磁铁电流阀力压力流量Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation4准备知识准备知识准备知识准备知识放大器是什么?放大器是一种低信号输入，经处理后转为高信号输出，作用于电磁铁中为什么不直接采用电流控制线圈?采用可变电阻式的信号，是可以用于线圈控制的,但是这将会浪费众多能量，同时伴随发热；阀芯动作同时也没有颤振以及电流反馈的效果Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation5比例放大器比例放大器采用了比例放大器可以使得:比例阀的大脑比例阀的大脑 控制提供给线圈的电流 设定最小/最大的工作压力/电流 设定最小信号上升至最大信号的过程时间 调节颤振信号使其控制效果最佳Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation6嵌入式放大器型号比较嵌入式放大器型号比较, , Sun vs. WhiteOakSun vs. WhiteOakWhiteOak Model Code StructureMVP- C1V- 06A - 10F06F 6 ft. Cord10F 10 ft. Cord06A 600 mA Output25A 2.5 A Output12A 1.2 A OutputC1V 0 to 10 Volt Command InputC2A 0 to 20 mA Command InputSun Hydraulics Model Code StructureC* - 06A06A 600 mA Output (use with 24 V Coil)12A 1200 mA Output (use with 12 V Coil)C1V 0 to 10 Volt Command InputC2A 0 to 20 mA Command InputAvailable with 10 ft. Cord onlyProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation7Amplifier Attached to Valve with CoilRBAP - MAN - 224A06 C2A-12AC2A-06ARBAP - MAN - 212A12 RBAP - MAN - 224V06 C1V-06ARBAP - MAN - 212V12 C1V-12ASun Sun 电磁阀以及插头式放大器电磁阀以及插头式放大器结构图示结构图示Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation8完整的系统完整的系统Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation9790-2 790-2 A current command (0-20mA)A current command (0-20mA)Vvoltage command (0-10v)Vvoltage command (0-10v)12 12 volt coil12 12 volt coil24 24 volt coil24 24 volt coilB separate command common B separate command common (default)(default)C 5v reference C 5v reference D enableD enable2DIN 43650A (Hirschman) connector2DIN 43650A (Hirschman) connector(IP 65 rated connector)(IP 65 rated connector)Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation10790-4 A790-4 AA current command (0-20mA)A current command (0-20mA)Vvoltage command (0-10v)Vvoltage command (0-10v)12 12 volt coil12 12 volt coil24 24 volt coil24 24 volt coilA all functions enabledA all functions enabled 4Deutsch DT06-6P connector4Deutsch DT06-6P connector (IP 69K rated connector) (IP 69K rated connector)Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation11Sun Sun 电磁阀以及电磁阀以及DIN DIN 接头嵌入式放大器接头嵌入式放大器Embedded Amplifier Attached to Valve RBAP - MAN-2B24A RBAP - MAN-4A12ARBAP - MAN-2B24V 790-2B24VRBAP - MAN-2B12V 790-2B12V790-2B24A790-2B24AProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation12Sun Sun 电磁阀以及电磁阀以及德标接头德标接头嵌入式嵌入式放大器放大器Embedded Amplifier Attached to Valve RBAP - MAN-4A24A RBAP - MAN-4A12ARBAP - MAN-4A24V 790-4A24VRBAP - MAN-4A12V 790-4A12V790-4A24A790-4A24AProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation13放大器参数放大器参数性能IP69K 等级接头焊接以及塑料封装单独的最小和最大的输入输出单独的程序性的时间设定客户设定的颤振频率具有相应的电流控制系统非常小巧结实的外形没有分压器可以设定当设定好时，不需要额外的设备阀装配好也可以进行参数设定用户特殊设定值同样可以满足线圈和阀可以单独订货手持设定器和电脑设定器都可通过光感而对放大器进行设定所有终极的保护都是建立在电压上CE 标志安装日期运输Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation14Complete SystemComplete SystemProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation15Embedded Amplifier Model Code MatrixEmbedded Amplifier Model Code Matrix790 ORVALVE MODEL+CONNECTOROPTIONCARDFUNCTIONCOILVOLTAGECOMMANDINPUTProportionalAmplifierOptions2DIN 43650 4 pin(Hirschman)Bseparate command commonC5 v referenceDenable1212 volt2424 voltV -0 -10v command4Deutsch 6 pinAall functions enabled (separatecommand common, 5 v reference, and an enable)1212 volt2424 voltV -0 -10v command2DIN 43650 4 pin(Hirschman)Bseparate command commonC5 v referenceDenable1212 volt2424 voltA -0 -20 mA command4Deutsch 6 pinAall functions enabled (separatecommand common, 5 v reference, and an enable)1212 volt2424 voltA -0 -20 mA commandCoil saverProgrammable thru IR Link2DIN 43650 4pin(Hirschman)9Deutsch 2 pinEprogrammable via IR link coil/power saver1212 volt2424 voltV -0 -10v commandProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation16Embedded Amplifier Model Code MatrixEmbedded Amplifier Model Code MatrixCONNECTOROPTIONCARDFUNCTIONCOILVOLTAGECOMMANDINPUTRamp cardProgrammable thru IR Link2DIN 43650 4 pin4Deutsch 6 pinFprogrammable ramps, separate rise and fall1212 volt2424 voltV -0 -10v commandProportional Amplifier, Closed Loop Options4Deutsch 6 pinGclosed loop proportional controller (separateCommons for power, command, and feedback), 1212 volt2424 voltV -0 -10v command1Amphenol 6 pin4Deutsch 6 pinGclosed loop proportional controller (separateCommons for power, command, and feedback), 1212 volt2424 voltA -0 -20 mA commandProportionalAmplifier,Bus Addressable4Deutsch 6 pinHCAN open bus addressable proportional controller(Separate power, power common, data, data common)1212 volt2424 voltProportionalAmplifier,Bus Addressable4Deutsch 6 pinJPROFI bus addressable proportional controller(Separate power, power common, data, data common)1212 volt2424 voltProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation17电压信号初始设定值，电压信号初始设定值，电压信号初始设定值，电压信号初始设定值，对插头式和嵌入式两种情况对插头式和嵌入式两种情况对插头式和嵌入式两种情况对插头式和嵌入式两种情况Mode1 Output Proportional to Input and the Enable is not usedMinimum Input0.2 VMaximum Input10.0 VMinimum Output5 mAMaximum Output590 mA (24 volt coils) 1150 mA (12 volt coils)Dither Frequency140 HzRamp Up 0 sRamp Down 0 sProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation18电流信号初始设定值，电流信号初始设定值，电流信号初始设定值，电流信号初始设定值，对插头式和嵌入式两种情况对插头式和嵌入式两种情况对插头式和嵌入式两种情况对插头式和嵌入式两种情况Mode1 Output Proportional to Input and the Enable is not usedMinimum Input4 mAMaximum Input20 mAMinimum Output5 mAMaximum Output590 mA (24 volt coils) 1150 mA (12 volt coils)Dither Frequency140 HzRamp Up 0 sRamp Down 0 sProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation19Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation20手持程序器手持程序器 可以现场通过手动，灵活设定 全英文显示，使用非常简单 9V 电池供电 长时间不操作时自动关闭，延长电池工作寿命，同时低电量报警 对不同的放大器有单独的控制线: DIN rail mount amplifier Embedded electronics DIN mounted amplifier 程序具备记忆功能程序具备记忆功能 现也提供模拟程序现也提供模拟程序USE电缆设定功能电缆设定功能Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation21 Cable for DIN rail mount amplifier P/N: 991-701 (Not released) Cable for Embedded electronics amplifier P/N: 991-702 Cable with DIN connectorP/N: 991-703CablesCablesProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation22991-706991-706 Mating Cable Assembly Mating Cable AssemblyDT06-6S connector on 3 m cable (socket connector)6 conductor, 18 AWG with PVC jacketProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation23How does it all work?How does it all work?AmplifierCommandSolenoidCurrentValveForcePressureFlowProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation24Proportional Solenoid Proportional Solenoid PerformancePerformanceCurrentForceProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation25How does it all work?How does it all work?AmplifierCommandSolenoidCurrentValveForcePressureFlowProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation26What are proportional valves used for?What are proportional valves used for?Pressure ControlFlow ControlDirectional Control 压力和方向控制既可以直接控制，也可以先导控制。Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation27Proportional Valve - OverviewProportional Valve - OverviewProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation28Proportional Valve - OverviewProportional Valve - OverviewProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation29Proportional Valve - OverviewProportional Valve - OverviewProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation30Proportional Valve - OverviewProportional Valve - OverviewProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation31Proportional Valve - OverviewProportional Valve - OverviewProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation32Proportional Valve - OverviewProportional Valve - OverviewProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation33压力控制压力控制 直动溢流直动溢流Inlet1Outlet2a1a2 电磁铁直接作用在阀芯或者主弹簧上。电磁铁直接作用在阀芯或者主弹簧上。 电磁力直接与入口液压力作用。电磁力直接与入口液压力作用。 作用面积分有相同面积和非相同面积之分作用面积分有相同面积和非相同面积之分. 非相同面积的阀芯具有更好的稳定性非相同面积的阀芯具有更好的稳定性Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation34R B A P - * * *Capacity CavityCapacity Cavity.25 gpm (1 l/min) T-8AControl OptionsControl Options X No Manual Override(+$5.00) M Manual Override(+$30.00) L Manual Override - Adjustable(+$30.00) T Tuning OptionSeal OptionsSeal Options N Buna(+$2.00) V VitonNominal Pressure Adjustment RangeNominal Pressure Adjustment Range A 300 - 3000 psi (20 - 210 bar) B 150 - 1500 psi (10 - 105 bar) (+$1.00) D 50 750 psi (3,5 50 bar)(+$5.00) W 500 - 5000 psi (35 - 350 bar)Model Code StructureModel Code StructureProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation35Typical Performance Direct Operated ReliefTypical Performance Direct Operated ReliefProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation36 RBAN, RBAN, 反向比例溢流阀反向比例溢流阀 T-8A孔型的又一产品孔型的又一产品 初始设定为无信号时的压力初始设定为无信号时的压力 压力只能工厂设定压力只能工厂设定 和和RBAP比例阀结构相似比例阀结构相似 可作为主级，也可以作为先可作为主级，也可以作为先导级导级Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation37压力控制系列压力控制系列 直动式减压直动式减压/ /溢流阀溢流阀 电磁力于直接作用于电磁力于直接作用于A2面积相抵消面积相抵消. 由于复位弹簧的存在，所以在没有信号的情况下，初始压力为由于复位弹簧的存在，所以在没有信号的情况下，初始压力为0. 由于电磁力所限，减压压力值一般小于由于电磁力所限，减压压力值一般小于1000 psi.Reduced Pressure1Inlet2A2Tank3Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation38Capacity CavityCapacity Cavity5 gpm (20 l/min) T-11AModel Code StructureModel Code StructureP R D * - M * * - * * *Control OptionsControl Options M Standard Override(+$30.00) L Screw Adjustment(+$30.00) T Trim Adjustment X No OverrideSeal OptionsSeal Options N Buna(+$3.00) V VitonPressure RangePressure Range B 100-1200 psi (7-80 bar) D 50-500 psi (3,5-35 bar) E 25-250 psi (1,7-18 bar)(+$5.00) S 10-100 psi (0,7-7 bar) (orifice dividing circuit) (Available with L Spool Configuration only)Spool ConfigurationSpool ConfigurationP Positive Overlap SpoolL Underlapped SpoolCoil CodeCoil CodeDirect-Acting Proportional Pressure Reducer/RelieverDirect-Acting Proportional Pressure Reducer/RelieverProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation39Typical Performance Typical Performance Direct Acting Reducer/RelieverDirect Acting Reducer/RelieverPressure vs. Command(Deadhead)Regulation Curves2000 psi (210 bar) Inlet PressureProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation40压力控制压力控制 先导操作式先导操作式 直动式的比例阀作为先导级控制平衡式主级阀。 先导阀可以单独安装或者装在主级阀上。 最大流量可以达到200gpm.(760L/min)Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation41Pressure Controls Pressure Controls Pilot Operated ReliefPilot Operated Relief12(25gpm)(50gpm)(100gpm)(200gpm)22221111Relief Main-stageProportional Pilot StageProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation42 主级包含常闭阀芯，以及先导级小孔组成主级包含常闭阀芯，以及先导级小孔组成. 当先导控制级加入时当先导控制级加入时,主级压力将可以被调节主级压力将可以被调节Pressure1Tank2Main-stageOrificePilot stage Orifice压力控制压力控制 先导式溢流阀先导式溢流阀 Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation43Typical Performance Typical Performance Pilot Operated ReliefPilot Operated ReliefProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation44Pressure Controls Pressure Controls Pilot Operated Pilot Operated Reducer/RelieverReducer/Reliever12Proportional Pilot Stage(10gpm)(20gpm)(40gpm)(80gpm)333322221111Reducer/Reliever Main-stageProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation45压力控制压力控制 先导控制式先导控制式减压减压减压减压/ / / /溢流阀溢流阀溢流阀溢流阀ReducedPressure1Inlet2Tank3 1口的压力将会由先导口决定口的压力将会由先导口决定. 最高压力可达最高压力可达5000psi.Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation46Typical Performance Typical Performance Pilot Operated Reducer/RelieverPilot Operated Reducer/RelieverProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation47 电磁力和弹簧力相互作用电磁力和弹簧力相互作用. 压力越大压力越大, 液压力将会反向作用于电磁力液压力将会反向作用于电磁力. 这里的液动力可以提供一些自我补偿的性能这里的液动力可以提供一些自我补偿的性能.Inlet1Outlet2流量控制流量控制 比例节流阀比例节流阀Product/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation48Model Code StructureModel Code StructureF P C * - * * * - * * *Control OptionsControl OptionsM Standard OverrideSeal OptionsSeal Options N Buna(+$2.00) V VitonConfigurationConfigurationH Normally OpenC Normally ClosedSpool Capacity /Spool Capacity / T-13 A Cavity T-13 A CavityA 1.5 gpm (6 L/min)B 3.5 gpm (16 L/min)C 7.0 gpm (28 L/min)Coil CodeCoil CodeProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation49Self-Compensation Self-Compensation CharacteristicsCharacteristicsNormally ClosedNormally OpenProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation50Proportional Throttle Proportional Throttle with Restrictive Compensatorwith Restrictive CompensatorNormally ClosedNormally OpenProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation51Proportional Throttle Proportional Throttle with Restrictive Compensatorwith Restrictive CompensatorNormally ClosedNormally OpenProduct/Company Introduction SeminarProduct/Company Introduction SeminarProduct/Company Introduction SeminarProportionals and ElectronicsProportionals and ElectronicsProportionals and Electronics2009SunHydraulicsCorporation52Acceleration/Deceleration Control Acceleration/Deceleration Control with Proportional Throttlewith Proportional ThrottleNormally ClosedNormally OpenSeparate ramping signal (external) to amplifier card illustrating the degree of control that may be achieved.