• 力士乐比例阀R900954281 4WRTE25E220L-46/6EG24K31/A1M

    详细信息

     品牌:力士乐  型号:4WRTE25E220L-46/6EG24K31/A1M  连接形式:螺纹  
     流动方向:换向  驱动方式:电磁  材质:铸钢  
     公称通径:6 mm 压力环境:常压  工作温度:常温  
     标准:德标  外形:大型  适用介质:油品  
     类型:比例控制阀  形态:柱塞式   

    力士乐比例阀R900954281 4WRTE25E220L-46/6EG24K31/A1M是上海韦米机电设备有限公司主营产品之一,联系人:雷青;力士乐REXROTH品牌备件上海优质供应商,常规产品现货供应。欢迎新老客户来电咨询采购!

     


    力士乐REXROTH比例阀4WRTE25E220L-4X/6EG24K31/A1M
    R900954281 4WRTE25E220L-46/6EG24K31/A1M
    标称尺寸25,符号E,带集成电子器件的电气,24 V DC
    大功率工业液压阀,根据液压符号可靠的油流向调节,内部活塞位置反馈,精度高
    线性特性
    滑阀
    预转向
    外部控制供油,外部控制回油
    产品特性
    连接类型    ISO 4401-08-08-05
    压力[bar]    350
    体积流量[l/min]    870
    活塞符号    符号E
    控件    集成电子
    连接类型    板式结构
    额定流量【l/min】    220
    标称尺寸    25
    操作类型    带有集成电子设备的电气
    连接数    4
    开关位置数量    3
    电源电压    24伏直流电
    电气插头    设备插头7针(6+PE)
    电气连接说明    符合EN 175201-804的装置插头7针(6+PE)
    连通性    模拟,设定值±10 V
    压力流体    HLP、HLP、hdpd、HVLP、HVLPD、HFC
    密封件    NBR
    重量[kg]    18.06

    力士乐REXROTH用于 A10VSO 轴向柱塞变量泵 SYDFE1 控制的外部控制电子元件
    VT 5041
    R901263598 VT5041-31/2-0
    组件系列 3X
    模拟,欧洲板卡格式
    压力和流量控制系统 SYDFE1(元件系列 1X、2X 和 3X)的内装部分用于通过 VT-DFP…2X 型阀门控制带 SYDFE1 控制的轴向柱塞变量泵 A10VSO...
    实现 SYDFE1 控制、压力和摆动角控制、可选功率限制的电子功能
    压力控制器油路可以调节并切换为两个现有液压油体积(执行机构和管路)
    用于压力和转角控制器的小值发生器
    取决于压力的泄漏补偿(可以关闭)
    可转换的压力反馈输入(电流、电压、范围)
    面板上工作状态的 6 个 LED 显示
    面板上实际转角值的显示仪器(可选)
    带内部或外部控制值预设的功率限制(可选)
    模拟控制电子元件 VT5041-3X... 设计为欧洲格式的的插入卡。每个都标配一个压力和转角的控制值输入端(功率限制,可选)。实际压力值由一个压力传感器记录。泵上的位置传感器记录实际转角值。记录的实际值在放大器和中进行处理,并与的控制值进行比较。小值发生器确保只有分配给所需工作点的控制器或自动激活。小值发生器的输出信号成为阀控制环的控制值。
    通过合适的控制值,可以自动激活可选的功率限制。可以在内部或外部功率控制值。必要时通过小值发生器限制转角控制值。可以在插口 7 上测量得到的转角控制值。
    实际阀值(阀芯位置)由一个感应式位置传感器记录。振荡器/解调器电路负责信号的处理。在阀芯位置控制器中生成并进一步处理控制偏差。阀门控制器的输出信号形成自计时电流输出级的控制值,该值控制阀门的比例线圈。
    控制电子元件具有故障消息输出端,出现错误时,其电压为 0 V(= 低活性)。同时“Err.”LED 亮起。根据跳线 J1 的配置,可以利用错误消息使阀输出级断电。
    导致故障消息:
    内部电源错误
    压力实际值大于允许的系统压力
    (插口 2: p实际 > 11.5 V)
    接口 26c 上缺少启用信号
    电缆断裂或超出转角反馈范围
    电缆断裂或超出阀芯反馈范围
    “压力传感器”电缆断裂(设置为 4  -  20 mA,0.5  -  5 V 和 1  -  10 V 时)
    控制错误(控制偏差 x 控制器增益)大于 4 V 的时间超过 1 秒 (40 %)
    出现错误时,可以对电子元件进行配置,以使输出级断电,并将阀芯推入其机械终端位置。这样,泵将向回摆动。只能通过复位启用信号进行错误确认。
    德国力士乐REXROTH柱塞泵放大板订货号和型号:
    R901236404 VT5041-31/1-0

    力士乐REXROTH柱塞泵放大板VT 5041-3X/1-0
    R901236404 VT5041-31/1-0
    用于控制 SYDFE1 类型的系统。
    没有功率限制不带摆动角显示的标准型号
    通讯方式:模拟
    SYDFE1 的外部控制电子元件 - 系统
    设备系列 3X
    电源电压    24 VDC
    电气连接说明    32 针连接器,D 型
    Design    电路板
    重量 [kg]    0.2509


    力士乐REXROTH集成式供电模块
    VT-NE30,部件系列2X
    VT-NE31,部件系列1X
    –电源单元VT-NE30(单极输出电压):
    用于比例阀放大器的电压供应
    用于比例阀的电压供应
    集成电子单元
    电源单元VT-NE31(双极输出电压):
    用于伺服阀放大器的电压供应
    设计紧凑,通过接线板连接
    未调节的输出电压(滤波)
    通过输出电路中的微型保险丝进行短路保护;
    按“重置”键重新启动
    可拧在顶帽导轨EN 60715上或卡入顶帽导轨
    LED指示灯
    符合EC指令(CE标志)
    频率 50/60 Hz
    允许的环境温度范围  –20至+50°C
    储存温度范围  –20至+70°C
    德国力士乐REXROTH集成式供电模块订货号和型号:
    R901082348 VT-NE30-20

    力士乐REXROTH供电模块
    类型 VT 11006,VT 11116
    供电模块提供两种稳定电压。用于为外部电气执行机构供电。
    VT 11006-1X:24 V / ±15 V
    VT 11116-1X:24 V / ±10 V
    开关模式的电源设备
    电压反极性保护
    通过 LED 显示的功能控制
    输出电压在电气上与工作电压隔离
    注意事项
    供电模块不能抵抗持续的短路!
    一路输出电压发生过载时,第二路输出电压也会降低!
    连续运行多个相邻模块且温度高于 40 °C 时,模块之间的空间必须保持为 ≥ 20 mm!
    德国力士乐REXROTH放大器供电模块订货号和型号:
    R900010937 VT11006-12
    R900010938 VT11015-11
    R900019681 VT11017-11


    力士乐REXROTH用于不带电气位置反馈的比例阀的阀放大器
    VT-MSPA
    R901439034 VT-MSPA1-20/A5/000/000
    R901439037 VT-MSPA2-20/A5/000/000
    R901439037 VT-MSPA2-21/A5/000/000
    R901439038 VT-MSPA2-21/F5/000/000
    R901439036 VT-MSPA1-2X/F5/000/000
    R901061664 VT-MSPA2-200-1X/V0/0
    R901142366 VT-MSPA1-200-1X/V0/0
    R901010980 VT-MSPA2-1-1X/V0/0
    R901197784 VT-MSRA1-1-1X/V0/0
    0811405106 VT-MSPA2-525-10/V0
    R900249810 VT-MSPA1-50-1X/V0
    0811405140 VT-MACAS-500-10/V0/I 
    组件系列 2X
    适用于控制不带电气位置反馈的比例阀和泵控制件
    多种力士乐工业液压阀门可供选择
    设备中所存储阀门的特性曲线
    通过按钮优化阀门
    控制值输入 0 ... ±10 V 或 4 ... 20 mA
    工作电压的反向极性保护
    斜坡发生器上斜坡和下斜坡可以单独调节
    零电位设置
    控制值调节
    特性曲线发生器
    定时功率输出级
    防短路输出
    LED 状态显示
    测量插口适用于:实际电流值、内部电流控制/设置
    所有阀门参数可调节
    一般信息
    这些放大器模块适于装配在礼帽式导轨上。通过 3 个张力弹簧插头建立电气连接。电源电压为 24 VDC。
    供电设备
    内部供电设备随附了接通电流限制器以防止出现电流峰值。此外,还集成了反向极性保护功能。
    控制值,控制值加法器
    "内部控制值" 包括:
    "外部控制值",连接在差分放大器 (2) 的输入处
    零位偏移,标准设置中的 "Z/B" 可调节
    在压力阀中,正控制值会使阀门处的压力增加。
    对于 4W...1) 型号阀门,下列内容适用:
    通过线圈 B,0 - +10 V 或 12 - 20 mA 的控制值使阀中流体从 P 流向 A,从 B 流向 T。
    通过线圈 A,0 - -10 V 或 12 - 4 mA 的控制值使阀中流体从 P 流向 B,从 A 流向 T。在专家设置中,控制值极性变化是可能的 [5](请参阅操作说明 30232-B)。
    在正常运行时,可以在 "V" 测量插口处测量 "内部控制值"。
    斜坡
    斜坡限制控制值的倾斜。
    您可以在一个斜坡所有斜坡均为一个时间,默认值)和 4Q/2Q 斜坡(斜坡的时间不同)之间选择。4Q/2Q 斜坡时间在专家设置中设置。特性曲线发生器不影响斜坡时间。
    控制值衰减器 "G"
    利用控制值衰减器可以降低控制值。
    特性曲线发生器
    在特性曲线发生器中,预设阀门特性曲线可以调整到实际液压和控制技术条件。
    可以在专家设置中调节以下内容:
    先导电流 "B"
    阶跃 "S"
    大电流 "G"(VT-MSPA2 可分别用于 A 和 B)
    电流控制器 
    将对线圈电流进行记录,并在电流控制器中将其与控制值进行比较,然后补偿差异。
    时钟发生器
    时钟发生器会产生输出级的时钟频率 "f"。使用力士乐阀门,时钟频率有时随控制值和/或工作电压而变化。
    功率输出级
    电流输出级产生比例阀的定时线圈电流。线圈电流被限制为
    每次输出的大允许电流,具体取决于设定阀门。输出级为防短路设计。如出现内部干扰信号或启用缺失时,输出级将关闭。
    数字输入
    输入 DI 可设置到四个不同的功能:
    1. 启用(出厂设置)
    2.VT-MSPA1 1) 不带功能
    2.VT-MSPA2 控制值极性变化
    3.斜坡开/关
    4.单个或相位斜坡
    数字输出
    若无电缆中断、内部错误,且 UB ≥ UB 小,则设备会通知准备就绪。
    阀门类型 4WRPH6…SO855,开关位置 0-5:
    控制值 ±10 V
    数字输入端 2,控制值极性变化


    力士乐REXROTH斜盘倾角传感器
    装配件组件 VT-SWA-1
    R900913641 VT-SWA-1-13/DFEE
    R900868651 VT-SWA-1-13/SYDFEE
    组件系列 1X
    在 SYDFEE、SYDFEC、SYDFED、SYDFEn 和 SYDFEF系统(带集成电子元件的系统)中使用,用于测量 A10V(S)O…DFE… 型泵的转角并将测量值转换为电信号
    使用霍尔效应传感器无触点测量转角
    包括磁座和壳体中带有集成电子元件的传感器
    R900868651 VT-SWA-1-1X/SYDFEE
    用于带集成电子元件的 SYDFEE、SYDFEC 和 SYDFEn 系统的斜盘倾角传感器
    (包含传感器和评估电子元件、磁座和内置部件的完整装配件组件)
    适用于 18 - 180 所有规格的泵 A10V(S)O..DFE。


    力士乐REXROTH用于 A4VS... 轴向柱塞泵(带有 HS4 可变排量)和 A2V... 轴向柱塞泵(带有 EO4 可变排量)的数字闭环控制电子元件
    VT-VPCD
    组件系列 1X
    数字,欧洲板卡格式
    用于摆动角和压力控制,以及轴向柱塞变量泵的功率限制
    可能的产品替代 VT-HPC。
    特点
    带 HS4 控制的控制系统由以下装配件组成:
    具有 4WRE6-2X/822 附带比例阀的 A4VS…HS4 轴向柱塞泵,包括用于转角和阀位置检测的位置传感器
    在记录系统压力时推荐使用的压力传感器 HM20-2X
    VT-VPCD 控制电子元件可实现 HS4 控制所需的全部电气功能带 EO4 控制的控制系统由以下装配件组成:
    具有附带比例阀的 A2V...EO4 轴向柱塞泵(壳体和/或安装泵),包括用于转角和阀位置检测的位置传感器
    在记录系统压力时推荐使用的压力传感器 HM20-2X
    VT-VPCD 控制电子元件可实现 EO4 控制所需的全部电气功能参数通过串行接口进行设置。用户特定的数据可被完全复现,并会受到保护以防无意的或未经授权的调整。
    用于调用预设参数的数字输入
    转角和压力控制值的斜坡时间
    控制值和实际值的模拟输入
    选通输入和综合故障输出
    两个感应测量系统的振荡器/解调器
    定时,流量可控输出级
    内部电源电压的切换电源设备
    功能和状态显示 LED
    可通过显示屏和/或 Bodac 配置的 2 个测量插口
    串行接口 RS 232
    通过局部总线,多可互连 32 个控制电子元件进行参数设置和诊断
    大小的选择(A4VS…HS4 的大小从 40 到 1000,A2V…EO4的大小从 500 到 1000)和参数化通过 BODAC 进行
    泵 A4VHO 450 HS4 的参数设置
    阀位置控制器
    带附属转角控制器的压力控制器
    可设置功率限制的参数
    泄漏补偿
    主/从能力
    系泊能力
    示波器功能
    可设置测试输出的参数
    诊断显示
    德国力士乐REXROTH柱塞泵放大器订货号和型号:
    R901044346 VT-VPCD-1-18/V0/1-0-1
    R901089559 VT-VPCD-1-16/V0/1-P-1
    0811405159 VT-VPRAP1-540-10/V0/SI
    R901227616 VT-HACD-3-2X/P-I-00/000


    力士乐REXROTH数字轴控制
    VT-HNC100…3X型
    组件系列3X
    数字轴控制VT-HNC100…3X是一种可编程的数控控制,多可用于四个受控轴。它符合
    液压传动闭环控制的具体要求。
    VT-HNC100…3X专为在恶劣的工业环境中使用而设计,具有抗干扰性、机械振动、冲击性和耐气候性。
    应用领域:机床、塑料加工机器、专用机器、压力机、传输系统。
    技术功能:
    序列编程
    定位
    压力/力控制
    压差控制
    同步
    曲线
    凸轮
    液压轴
    测量系统:
    增量或(SSI)
    模拟0至±10 V和4至20 mA
    驱动可变输出电压或电流
    可自由配置的控制器变体
    位置/压力/力/速度控制器
    路径相关制动
    替代闭环控制(位置/力)
    4个轴的同步控制
    编程
    使用PC进行用户编程
    具有子程序技术和条件的NC语言
    跳跃
    功能序列的每个轴1个NC程序
    1轴跨越辅助程序
    数控加工速度的可变设置
    控制器扫描时间的可变设置
    活动
    舒适地管理机器和测量
    PC上的数据
    服务接口
    RS 232
    TCP/IP(不适用于Version Compact)
    过程连接
    数字输入和输出,
    模拟输入和输出,
    PROFIBUS DP,摩托罗拉格式的PROFIBUS DP,CANopen,用于与高级控制进行通信
    PROFINET RT
    EtherNet/IP
    CE符合EMC指令2004/108/EC和EMVG
    适用的统一标准:
    EN 61000-6-2:2005
    EN 61000-6-3:2007
    开发特定于应用程序的数据集构成了VT-HNC100…3X功能的基础。这些数据集在PC上生成并发送到VT-HNC100-…3X。用户程序和数据集的连接称为项目。此软件项目规划是根据以下固定步骤执行的:
    1.VT-HNC100…3X的任务被定义并记录在流程图中。在这方面,定义了输入和输出以及所使用的参数的含义。
    2.流程图的功能是在一系列NC命令中实现的。
    3.定义了机床数据(传感器和控制器的选择)和数控程序的参数。
    4.数据被发送到VT-HNC100…3X。
    5.设置和程序顺序在机器上进行了优化。
    德国力士乐REXROTH数字控制轴订货号和型号:
    R901254694 VT-HNC100-1-3X/N-I-00/000
    R901108539 VT-HNC100-2-31/P-I-00/000


    力士乐REXROTH比例流量阀的阀放大器
    VT-VRPA1-151-1X
    R901057060 VT-VRPA1-151-11/V0/0
    R901057060 VT-VRPA1-151-12/V0/0
    R900952204 VT-VRPA1-51-11
    组件系列 1X
    模拟,欧洲板卡格式
    用于阀:2FRE 10、2FRE 16
    差分输入,可从电压输入转换到电流输入
    两个非绝缘控制值输入
    选通输入和“斜坡关闭”输入
    振幅、零电位和可调节斜坡时间
    工作电压反向极性保护
    控制值和理论值的输出
    “准备就绪”的 LED 显示
    限制和位置控制器
    从斜坡发生器进行输出时,控制值电压将到达“Gw”电位计,该电位计可通过面板使用并用作衰减器。也可用于设定阀门的大充液流量。下游限幅器将控制值限制为 105 % 至 -5 %(例如,在过大的控制值电压下或通过对电位计的零位“Zw”和基本值“Gw”进行调整),以防止阀芯冲撞机械终端位置。限幅器的输出信号是位置控制值,该值将提供给 PID 控制器并通过输出级提供给板卡面板上的测量插口“w”以及连接器板 X1 的 端口 28c(斜坡和限幅器后的控制值)。控制值测量插口“w”的 +6 V 电压与 +100 % 的控制值相对应。PID 控制器针对 DBRTE 和 FRE 阀门已特别进行优化。在控制器中,位置控制值与实际位置值将会进行比较;如果存在差异,相应的控制输出将前馈至电流输出级控制阀门比例电磁铁的输出信号。
    位置检测
    位置传感器电子元件包括具有用于控制感应式位置传感器的下游驱动器的振荡器和用于分析位置传感器信号(理论值)的解调器。振荡器频率大约为 2.5 kHz。感应式位置传感器必须作为带有“中间”传感的节流回路进行连接。位置传感器电子元件在工厂已调节。较长的线或电容式位置传感器的线可能需要重新调整零位(通过电位计“Zx”)。可在实际值测量插口上测量理论值(对应于阀芯位置)。
    注意:
    与控制值相比,实际值信号会为以反向形式输出。100 % 路径在理论值测量插口和连接器板 X1 的端口 32a 处对应为 -6 V。
    选通输入
    通过选通输入 20a 处的 > 10 V 信号,启用输出级和 I 控制器(由面板上的 LED 黄色灯指示)。通过设置跳线 X3,使用选通输入的信号即可单独地启用它们。之后的转换输入将无效。
    [ ] = 对电路图的赋值
    使用外部时间电位计时,斜坡时间的内部电位计必须设置为大值(“t1”和“t2”测量插口处电压约为 20 mV)。当外部电位计的电阻值与内部电位计(约为 500 kΩ)的电阻值并联时,大斜坡时间将会减小。在这种情况下,将不能单独设置上升向下斜坡的斜坡时间。
    通过应用 > 10 V 的电压到“斜坡关闭”转换输入或设置插入式跳线 X4,将斜坡时间设置为小值(约 15 ms)。之后的转换输入将无效。小值对于两个方向均为有效。
    斜坡时间的计算
    跳线 X9 插头(斜坡时间“短”)
    跳线 X8 插头(斜坡时间“长”)
    下列内容适用:
    U = 测量插口处电压以伏特为单位“t1”或“t2”
    t= 上升和向下斜坡的斜坡时以秒为单位
    斜坡功能
    下游斜坡发生器 [3] 根据给定的阶跃式输入信号产生斜坡形状的输出信号。可使用面板上的“t1”(上升斜坡)和“t2”(向下斜坡)电位计对输出信号的时间常量(斜坡时间)进行调整。大的斜坡时间指的是 100 % 的控制值阶跃,视跳线设置 (X8,X9) 而定,该时间可能是约 5 s 或 50 s。如果将小于 100 % 的控制值阶跃转换为斜坡发生器输入,则斜坡时间将相应缩短。可以在“t1”(上升斜坡)和“t2”(向下斜坡)的测量插口处检查当前斜坡时间。
    供电设备
    应用工作电压后,内部供电设备将会产生与测量零位(M0)相比 ±9 V 电压。根据对负载零位(L0)的测量,其提高+9 V。电压 +9 V 和 -9 V(-9 V 对应于 L0)向连接器板 X1 流入并于使用于外部(例如用于控制值电位计)。大负载能力为 25 mA。
    准备就绪
    如果满足以下条件,放大器板卡将准备就绪:
    工作电压 > 20 V
    内部电源电压不对称
    位置传感器线无电缆中断
    线圈导线无短路
    “准备就绪”状态通过面板上的绿色 LED 指示。
    控制值
    控制值电压直接由供电设备 [6] 的调节电压 +9 V 或通过外部控制值电位计。对于“控制值 1”输入,+9 V ≙ +100 %,对于“控制值 2”输入,+6 V ≙ +100 %。控制值输入的参考点 1 和 2 始终为 M0 (18ac)。控制值输入 3 为差分输入(0 至 +10 V)。可通过将跳线设置为电流输入(0 至 20 mA 或 4 至 20 mA)进行配置。如果控制值由具有不同参考电位的外部电子元件,则必须使用差分输入。
    断开或连接控制值电压时,确保在任何情况下两根信号线都同时与输入断开,或者同时与之相连。所有控制值在前馈之前都将根据其值和符号进行累加。使用“Zw”电位计可以补偿控制值分压中的偏移电压。



    力士乐REXROTH比例方向阀的阀放大器
    VT-VRPA2-1-1X, VT-VRPA2-2-1X
    R900979887 VT-VRPA2-1-11/V0/T1
    R900979885 VT-VRPA2-1-11/V0/T5
    R900979887 VT-VRPA2-1-12/V0/T1
    R900979889 VT-VRPA2-2-1X/V0-T1
    组件系列 1X
    模拟,欧洲板卡格式
    用于阀:4WRE
    电压和电流的差分输入
    四个可调用控制值输入、斜坡时间输入
    用于选通、斜坡、改变极性和控制值启用的数字输入
    带有 5 个斜坡和相位识别的型号 T5
    可调节斜坡时间、阶跃电平和大线圈电流
    工作电压反向极性保护
    可通断的测量插口(型号 T5)
    “准备就绪”输出
    供电设备带直流/直流转换器,不带提高零点
    可通过闭合跳线 J3 使上述斜坡时间增加十倍。
    特性曲线发生器
    可使用可调节特性曲线发生器单独设置正信号和负信号的阶跃电平和大值,并根据液压要求进行调节。穿过零电位的特性曲线的实际发展不是阶跃式的,而是线性的。
    限幅器
    内部控制值被限制在约公称范围的 ±110 %。
    振荡器
    振荡器生成感应式位置传感器的控制信号。
    解调器
    解调器根据位置传感器信号提供阀芯位置的实际值信号。100 % ≙ 10 V
    位置控制器
    位置控制器以阀门特定的方式进行优化。
    功率输出级
    电流输出级产生比例阀的定时线圈电流。该线圈电流被限制在每输出 2.5 A 至 2.8 A 之间。输出级输出具有防短路功能。出现内部故障信号或使能信号缺失时,输出级将被断电。
    故障识别
    监控位置传感器电缆的目的是发现主侧电缆中断和短路,以及输出级的过电流。
    电流和电压输入之间不进行切换。输入始终可用。
    控制值启用
    可以启用四个控制值信号“w1”至“w4”。外部控制值电压(控制值 1 至 4)直接通过 +10 V 和 –10 V 调节电压输出或通过外部电位计进行定义。如果这些控制值输入直接连接至调节电压,则使用电位计“w1”至“w4”设置控制值。使用外部电位计时,内部电位计将用作衰减器或限幅器。
    一次只能操作一个启用。如果同时执行了多个启用,启用 “1”优先级低,启用 “4”优先级高。
    各个处于活动状态的启用通过面板上的黄色 LED 指示。
    控制值改变极性
    通过输入信号在内部产生的控制值、控制值启用和零电位偏移信号可通过外部信号或跳线 J1 改变极性。改变极性情况通过面板上的 LED“–1”进行指示。
    启用功能
    启用功能可启用电流输出级并将内部控制值信号前馈到斜坡发生器。使能信号通过面板上的 LED 进行指示。如果连接启用,则内部控制值(无论类控制值预设)会按所设置的斜坡时间进行更改。这样,受控阀就不会突然打开。
    斜坡发生器
    斜坡发生器限制控制输出倾斜。下游阶跃函数和振幅衰减器不会延长或缩短斜坡时间。
    使用跳线 J2 将斜坡时间设置为小值 (<2 ms)(斜坡关闭)。
    外部斜坡时间设置:
    可使用外部电位计延长内部设置的斜坡时间。此设置可通过测量插口进行验证。如果电缆中断,则内部默认设置将自动有效。
    设置和测量斜坡时间的表格:
    供电设备
    放大器板卡随附带接通电流限制器的供电设备。此设备提供了所有内部所需的正和负电源电压。
    控制值预设
    通过将差分输入和电流输入、启用信号及零位偏移(零电位电位计“Zw”)中提供的外部控制值信号加和(总和),计算内部控制值信号。


    力士乐REXROTH用于比例压力阀和比例流量控制阀的阀放大器
    VT-VSPA1(K)-1-1X
    R900033823 VT-VSPA1-1-11
    R900033823 VT-VSPA1-1-12
    R901152637 VT-VSPA1-11-10/V0/0
    组件系列 1X
    模拟,欧洲板卡格式
    适用阀门::
    DBEP 6(A/B) ...1X、
    DBE(M) 10 ...5X、DBE(M) 20 ...5X、DBE(M) 30 ...3X、
    (Z)DBE 6...1X、
    DRE(M) 10 ...5X、DRE(M) 25 ...5X、
    DRE(M) 32 ...4X、
    ZDRE 10 VP ...1X
    差分输入,可从电压输入转换到电流输入
    附加控制值输入 0 至 +9 V
    斜坡发生器,可分别针对向上和向下方向进行调节
    定时功率输出级
    "准备就绪"消息(带有 LED 显示的 VT-VSPA1K-1 型号)
    电源的反向极性保护
    4 至 20 mA 电流输入的电缆中断检测
    线圈导线的短路保护
    线圈导线的电缆中断检测
    借助供电设备的 +9 V 调节电压,可直接或通过外部控制值电位计来控制值输入 1 处的控制值电压。


    力士乐REXROTH用于比例压力阀和比例流量控制阀的阀放大器
    VT-VSPA1-2
    R900782310 VT-VSPA1-2-10/V0/0
    组件系列 1X
    模拟,欧洲板卡格式
    适用阀门:
    DBET-6X、DBEM...7X
    特点
    差分输入(0 ... +10 V)
    电流输入(4 ... 20 mA)
    可分别调节"上/下"斜坡时间的斜坡发生器
    外部斜坡时间预设值
    选通输入
    定时功率输出级
    "准备就绪"消息
    电源电压的反向极性保护
    短路保护和线圈导线的电缆断连检测
    供电设备
    放大器随附了带接通电流限制器的供电设备。此设备提供了所有内部所需的正和负电源电压。
    控制值启用
    可以调用四个控制值启用 "w1" 至 "w4"。外部电压(控制值 1 至 4)通过电压输出 +10 V 直接进行定义,或通过外部电位计进行定义。如果这些控制值输入直接连接至调节电压,则使用电位计 "w1" 至 "w4" 设置控制值。使用外部电位计时,内部电位计将用作衰减器或限制器。
    在同一时刻,只能操作一个启用。如果同时操作了几个启用,启用 "w1" 优先权低,启用 "w4" 优先权高。激活的启用通过黄色 LED 进行指示。
    使能功能
    使能功能可启用功率输出级并将内部控制值信号前馈到斜坡发生器。使能信号通过 LED 进行指示。如果连接释放(通过 24 V 输入或跳线 J1),则内部控制值(无论类控制值规格)会按所设置的斜坡时间发生变化。这样,受控阀不会突然打开。
    斜坡发生器
    斜坡发生器限制控制输出上升。下游限幅器不会延长或缩短斜坡时间。斜坡时间可通过跳线 J3 以 10 为乘数进行更改。



    力士乐REXROTH用于比例方向阀和比例压力阀的阀放大器
    VT-VSPA2-1-2X
    R901002090 VT-VSPA2-1-21/V0/T1
    R901002095 VT-VSPA2-1-2X/V0/T5
    组件系列 2X
    模拟,欧洲板卡格式
    用于阀:
    4WRA...-2X
    4WRZ...-7X
    3DREP6...-2X
    模拟放大器板卡VT-VSPA2-1-2X/… 类型
    →适用于控制 4WRA 类型,标称尺寸 6 和 10…2X,WRZ…7X 与 3DREP…2X 的阀
    →装配在欧洲格式 100 x 160 mm 结构形式的印制板中,适合安装在机架中
    →控制值输入:差动输入 ± 10 V;四个控制值输入, 启动电压为 ±10 V;电流输入 4 至 20 mA
    →通过 24V 输入或跳线改变内部控制值信号极性
    →通过相位识别(24V 输入)或斜坡时间启动(24V 输入)
    选择斜坡时间(选项 T5)
    →通过跳线切换斜坡时间范围
    →通过可分别调节的步长和大值进行特性曲线校正
    →选通输入
    →“斜坡开/关” 输入
    →输出信号“ 预备状态”
    →可通断的测量插口(选项 T5)
    →电源电压的极性保护
    →电源带交流/直流转换器,不带提高零点
    注意:
    将放大器板卡 VT-VSPA2-1-2X 作为 VT 3000-3X、VT 3006-3X、VT 3013-3X、VT3014-3X、VT 3017-3X、VT 3018-3X、VT 3026-3X、VT-VSPA2-1-1X/... 或 VT-VSPA2-50-1X/… 的替代使用时,要遵守补充信息 30110-Z中提供的有关配置和设置的注意事项。


    力士乐REXROTHPCB支架 VT3002-1-2X/48F
    R900020154 VT3002-1-20/48F
    放大器卡架
    用于在控制柜中轻松安装卡。用于安装在 DIN 导轨上。
    电气连接说明    48 针连接器,F 型
    设计    板卡插槽
    重量 [kg]    0.350801


    力士乐REXROTH直动式减压阀
    DR6DP
    规格 6
    组件系列 5X
    大工作压力 35 bar
    大流量 60 l/min
    R900472470 DR6DP2-5X/25YM
    用于底板安装
    油口安装面,符合 ISO 440-03-02-0-05(带或不带孔)
    5 档压力
    4 个可选调整类型:
    旋钮
    六角螺纹销和保护帽
    带刻度可锁定旋钮
    带刻度旋钮
    单向阀,可选
    防腐蚀设计
    DR 6 DP 型阀门是三通式直动减压阀,即配有次级回路压力限制。
    它可以用于降低系统压力。通过调整类型设置次级压力调整。
    阀门在初始位置为打开状态。液压油可以顺畅地从通道 P 流向通道 A。同时,通道 A 内的压力通过阀芯端面上的控制线路由压缩弹簧来控制。如果通道 A 内的压力通过压缩弹簧上设置的值提高,控制阀芯进入调整位置并保持通道 A 内的压力恒定。
    信号和先导油由内部通过控制线路从通道 A 输出。
    如果通道 A 内的压力在执行器上外部力的作用下继续提高,会将控制阀芯继续推向压缩弹簧。
    由此,通道 A 会通过控制阀芯上的控制边与通道 T(Y) 相连。流入容器内的液压油过多,导致压力仅可稍微提高。
    漏油始终由外部通过通道 T(Y) 排出弹簧腔。
    为了能够顺利从通道 A 流回通道 P,可以选择安装一个单向阀。
    通过压力计接口可以控制次级压力。
    德国力士乐REXROTH减压阀订货号和型号:
    R900413204 DR6DP1-54/75Y
    R900472470 DR6DP2-53/25YM
    R900450964 DR6DP2-53/75YM
    R900450964 DR6DP2-54/75YM
    R900413243 DR6DP2-54/210Y
    R900472420 DR6DP3-54/75YM
    R900476911 DR6DP3-54/150YM

    比例控制技术是在开关控制技术和伺服控制技术之间的过度技术,采用比例放大器控制比例电磁铁,实现对比例阀的连续控制,从而实现对液压系统压力、流量、方向的无级调节;但是用比例阀进行速度控制时,如果负载是变化的,那么执行元件的速度就会受负载变化的影响,负载小时速度快,负载大时速度慢,于是在系统设计时,人们引用了压力补偿器,它可以使比例阀阀口的压差保持恒定,使执行元件的速度不受负载变化的影响。


    液控伺服阀主要是指电液伺服阀,它在接受电气模拟信号后,相应输出调制的流量和压力。它既是电液转换元件,也是功率放大元件,它能够将小功率的微弱电气输入信号转换为大功率的液压能(流量和压力)输出。在电液伺服系统中,它将电气部分与液压部分连接起来,实现电液信号的转换与液压放大。电液伺服阀是电液伺服系统控制的核心。
    液控伺服阀是在伺服系统中将电信号输入转换为功率较大的压力或流量压力信号输出的执行元件。它是一种电液转换和功率放大元件。伺服阀的灵敏度高,快速性好,能将很小的电信号(例如10毫安)转换成很大的液压功率(如几十匹马力以上),可以驱动多种类型的负载。过去人们曾把喷嘴档板阀、射流管或滑阀伺服马达等液压放大装置都列入伺服阀范围内。20世纪70年代以来,伺服阀一般仅指电液伺服阀。
    力士乐比例阀4WRTE25E220L-46/6EG24K31/A1M
    R900954281 4WRTE25E220L-4X/6EG24K31/A1M
    R978031519 4WRTE25E220L-4X/6EG24EK31/A5V
    R901380698 4WRTE25E220L-4X/6EG24ETK31/F1M
    R901377869 4WRTE25E220L-4X/6EG24K31/F1M
    R901365359 4WRTE25E220P-4X/6EG24ETK31/A1M
    R901385029 4WRTE25E350L-4X/6EG24EK31/F1M
    R901281604 4WRTE25E350L-4X/6EG24ETK31/A5M-280
    R901125194 4WRTE25E350L-4X/6EG24ETK31/F1M
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    R900508858 4WRDE16E1-200L-5X/6L24Z9/WG081M-478
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    R900903982 4WRDE16E125L-5X/6L24Z9/WG071M
    R900562530 4WRDE16E125P-5X/6L24ETZ9/M-280
    R900549355 4WRDE16E125P-5X/6L24EZ9/M
    R900576576 4WRDE16E125P-5X/6L24TZ9/WG021M
    R900546309 4WRDE16E125P-5X/6L24Z9/WG021M
    R900947764 4WRDE16E125S-5X/6L24K9/WX152M-643
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    R900547148 4WRDE16E200P-5X/6L24ETZ9/M-280
    R900517198 4WRDE16E200P-5X/6L24ETZ9/MR
    R900533922 4WRDE16E200P-5X/6L24ETZ9/MR-280
    R900936057 4WRDE16E200P-5X/6L24K9/MR-636
    R900522817 4WRDE16E200P-5X/6L24TZ9/MR-280
    R900576574 4WRDE16E200P-5X/6L24TZ9/WG021MR
    R900574991 4WRDE16E200P-5X/6L24Z9/MR
    R900901356 4WRDE16M200P-5X/6L24Z9/MR
    R900508137 4WRDE16Q1-200L-5X/6L24Z9/M
    R900512410 4WRDE16Q1-200L-5X/6L24Z9/MR
    R900522075 4WRDE16Q1-200L-5X/6L24Z9/VR
    R900564392 4WRDE16Q2-125P-5X/6L24TZ9/WG043VR
    R900519339 4WRDE16Q2-125P-5X/6L24Z9/WG043M
    R900518970 4WRDE16Q2-125P-5X/6L24Z9/WG043VR
    R900514633 4WRDE16Q2-200P-5X/6L24Z9/M
    R900527542 4WRDE16Q2-200P-5X/6L24Z9/MR
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    R900551803 4WRDE16R200R-5X/6L24Z9/VR-553
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    R900574707 4WRDE16V000S-5X/6L24Z9/WG021M-489
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    R900560986 4WRDE16V125L-5X/6L24Z9/WG021MR-478
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    R900508656 4WRDE16W3-200P-5X/6L24EZ9/WG021MR
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    R900506953 4WRDE25E1-350-5X/6L24Z9/WG021MR
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    R900507647 4WRDE25E1-350L-5X/6L24Z9/WG021MR
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    R900574732 4WRDE25R3-350R-5X=6L24Z9/WG021MR=LB
    R900524716 4WRDE25R350R-5X/6L24Z9/WG021MR
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    R900538141 4WRDE32E3-600L-5X/6L24EZ9/WG021MR
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    R900571274 4WRDE32W3-600L-5X/6L24EZ9/M
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    R900546213 4WRDE35E1-1000L-5X/6L24Z9/WG021MR
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    R900537895 4WRDE35E3-1000L-5X/6L24Z9/WG021M
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    R900900508 4WRDE35V1000L-5X/6L24Z9/M-590
    R900911477 4WRDE35V1000L-5X/6L24Z9/M-610
    力士乐比例阀4WRTE25E220L-46/6EG24K31/A1M


    伺服阀的主阀一般来说和换向阀一样是滑阀结构,只不过阀芯的换向不是靠电磁铁来推动,而是靠前置级阀输出的液压力来推动,这一点和电液换向阀比较相似,只不过电液换向阀的前置级阀是电磁换向阀,而伺服阀的前置级阀是动态特性比较好的喷嘴挡板阀或射流管阀。
    也就是说,伺服阀的主阀是靠前置级阀的输出压力来控制的,而前置级阀的压力则来自于伺服阀的入口p,假如p口的压力不足,前置级阀就不能输出足够的压力来推动主阀芯动作。
    而我们知道,当负载为零的时候,如果四通滑阀完全打开,p口压力=t口压力+阀口压力损失(忽略油路上的其它压力损失),如果阀口压力损失很小,t口压力又为零,那么p口的压力就不足以供给前置级阀来推动主阀芯,整个伺服阀就失效了。所以伺服阀的阀口做得偏小,即使在阀口全开的情况下,也要有一定的压力损失,来维持前置级阀的正常工作。
    伺服阀其实缺点极多:能耗浪费大、容易出故障、抗污染能力差、价格昂贵等等等等,好处只有一个:动态性能是所有液压阀中*高的。就凭着这一个优点,在很多对动态特性要求高的场合不得不使用伺服阀,如飞机火箭的舵机控制、汽轮机调速等等。动态要求低一点的,基本上都是比例阀的天下了。
    一般说来,好像伺服系统都是闭环控制,比例多用于开环控制;其次比例阀类型要多,有比例压力、流量控制阀等,控制比伺服要灵活一些。从他们内部结构看,伺服阀多是零遮盖,比例阀则有一定的死区,控制精度要低,响应要慢。但从发展趋势看,特别在比例方向流量控制阀和伺服阀方面,两者性能差别逐渐在缩小,另外比例阀的成本比伺服阀要低许多,抗污染能力也强!
    力士乐比例阀4WRTE25E220L-46/6EG24K31/A1M
    力士乐REXROTH三位四通高频单向阀门,直接驱动,具有集成电子放大版和电气位置反馈(OBE)4WRSEH
    R901112621 4WRSEH10C3B100LD-3X/G24K0/F1V
    R901417457 4WRSEH10C3B100LD-3X=G24K0/A1V
    R901026521 4WRSEH10C3B100PD-3X/G24K0/A1V
    R901029454 4WRSEH10C3B100PE-3X/G24K0/A1V
    R901201975 4WRSEH10C3B50LD-3X/G24K0/F1V
    R901343965 4WRSEH10C4B100PD-3X/G24K0/A1V
    R901110786 4WRSEH10C4B100PD-3X/G24K0/F1V
    R901155397 4WRSEH10C4B50PD-3X/G24K0/F1V
    R901001441 4WRSEH10V100LD-3X/G24K0/A1V-280
    R901410107 4WRSEH10V100LD-3X/G24K0/F1M
    R901103271 4WRSEH10V100LD-3X/G24K0/F1V
    R900967770 4WRSEH10V100LE-3X/G24K0/A1V-614
    R901242866 4WRSEH10V100PD-3X/G24K0/F1V
    R901078002 4WRSEH10V100PE-3X/G24K0/A1V
    R901271249 4WRSEH10V100PE-3X/G24K0/F1V
    R901435689 4WRSEH10V50LD-3X=G24K0/A1V
    R901348750 4WRSEH10V50LE-3X/G24K0/F1V
    R901034855 4WRSEH10V50PD-3X/G24K0/F1V
    R901078001 4WRSEH10V50PE-3X/G24K0/A1V
    R901255209 4WRSEH10V50PE-3X/G24K0/F1V
    R901263085 4WRSEH10VC100PD-3X/G24K0/A1V
    R901201977 4WRSEH6C3B04LD-3X/G24K0/F1V
    R901256361 4WRSEH6C3B12LE-3X/G24K0/A1V
    R901111521 4WRSEH6C3B24LE-3X/G24K0/A1V
    R901240233 4WRSEH6C3B24LE-3X/G24K0/F1V
    R901326847 4WRSEH6C3B24PE-3X/G24K0/F1V
    R900747232 4WRSEH6C3B40PD-3X/G24K0/A1V
    R901226658 4WRSEH6C4A04LD-3X/G24K0/A1V
    R901068026 4WRSEH6C4A04LD-3X/G24K0/F1V
    R901225983 4WRSEH6C4B04LD-3X/G24K0/A1V
    R901304639 4WRSEH6C4B24LD-3X/G24K0/A1V
    R901378384 4WRSEH6C4B24PD-3X/G24K0/F1V
    R901134485 4WRSEH6C4B40LD-3X/G24K0/F1V
    R901218104 4WRSEH6C4B40LE-3X/G24K0/A1V
    R901110161 4WRSEH6C4B40PD-3X/G24K0/A1V
    R901032208 4WRSEH6V04LE-3X/G24K0/F1V
    R900618927 4WRSEH6V12LD-3X/G24K0/A1V-280
    R901068775 4WRSEH6V12LE-3X/G24K0/F1V
    R900962584 4WRSEH6V24LD-3X/G24K0/A1V-614
    R901189933 4WRSEH6V24PD-3X/G24K0/F1V
    R900755115 4WRSEH6V50LD-3X/G24K0/A1V-280
    R900967771 4WRSEH6V50LE-3X/G24K0/A1V-614
    R901028013 4WRSEH6VC12LD-3X/G24K0/A1V
    R901238196 4WRSEH6VC24LD-3X/G24K0/F1V
    R901138095 4WRSEH6VC24LE-3X/G24K0/F1V
    R901376371 4WRSEH6VC50LD-3X/G24K0/A1V
    R901065659 4WRSEH6VC50PD-3X/G24K0/F1V
    R901250615 4WRSEH6VC50PD-3X=G24K0/F1V
    力士乐REXROTH高响应换向阀,先导式
    力士乐REXROTH三位四通高响应换向阀电气位置反馈(LVDT的直流/直流)(结构形式:耐震)4WRL...-750
    0811404099 4WRL10V1-85M-3X/G24ETK0/M-750
    R901347126 4WRL10V55M-3X/G24ETK0/M-750
    0811404096 4WRL10V55M-3X/G24K0/M-750
    R901347731 4WRL10V85M-3X/G24ETK0/M-750
    0811404097 4WRL10V85M-3X/G24K0/M-750
    R901313838 4WRL16V1-120L-3X/G24ETK0/M-750
    0811404236 4WRL16V1-120M-3X/G24K0/M-750
    0811404237 4WRL16V1-200M-3X/G24K0/M-750
    R901212959 4WRL16V100P-3X/G24K0/M-750
    R901280647 4WRL16V120M-3X/G24ETK0/M-750
    0811404229 4WRL16V120M-3X/G24K0/M-750
    R901347134 4WRL16V200M-3X/G24ETK0/M-750
    0811404231 4WRL16V200M-3X/G24K0/M-750
    R901347131 4WRL25V1-370M-3X/G24ETK0/M-750
    0811404423 4WRL25V1-370M-3X/G24K0/M-750
    R901439210 4WRL25V370L-3X/G24K0/M-750
    R901169705 4WRL25V370M-3X/G24ETK0/M-750
    0811404428 4WRL25V370M-3X/G24K0/M-750
    力士乐REXROTH三位四通的高响应换向阀、先导式、带电气位置反馈(LVDT的直流/直流±10V)4WRL.V
    R901359908 4WRL10V1-55L-3X/G24ETZ4/M
    R901227935 4WRL10V1-55M-3X/G24ETZ4/M
    0811404396 4WRL10V1-55M-3X/G24Z4/M
    0811404395 4WRL10V1-70P-3X/G24Z4/M
    0811404394 4WRL10V1-85M-3X/G24Z4/M
    R901295792 4WRL10V55L-3X/G24ETZ4/M
    0811404392 4WRL10V55M-3X/G24ETZ4/M
    0811404391 4WRL10V55M-3X/G24TZ4/M
    0811404093 4WRL10V55M-3X/G24Z4/M
    R978714508 4WRL10V70P-3X/G24ETZ4/M
    0811404095 4WRL10V70P-3X/G24Z4/M
    0811404390 4WRL10V85M-3X/G24ETZ4/M
    0811404393 4WRL10V85M-3X/G24TZ4/M
    0811404091 4WRL10V85M-3X/G24TZ4/M-766
    0811404094 4WRL10V85M-3X/G24Z4/M
    0811404242 4WRL16V1-100P-3X/G24Z4/M
    R901349326 4WRL16V1-120M-3X/G24ETZ4/M
    0811404239 4WRL16V1-120M-3X/G24Z4/M
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    力士乐REXROTH三位四通的高响应换向阀、先导式、电气位置反馈(LVDT的直流/直流±10V)4WRL.E(W)
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    0811404506 4WRL35W2-1100S-3X/G24Z4/M
    R901118494 4WRL35W4-1100S-3X/G24ETZ4/M
    力士乐REXROTH高响应换向阀、先导式、集成的数字轴控制器(IAC多以太网)4WRLD -3X
    R901446834 4WRLD16V200L-3X/MPY/24ND6T
    R901446693 4WRLD16V200M-3X/MPT/24ND6T
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    R901426651 4WRLD25V370L-3X/MPT/24ND6T
    R901422252 4WRLD25V370M-3X/MXY/24ND6U
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    力士乐REXROTH三位四通高响应换向阀、先导式、电气位置反馈和集成电子放大版(OBE)4WRLE
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    R901404332 4WRLE16E250LJ-4X/MXY/24A1
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    R901404809 4WRLE25E1-400LJ-4X/MXY/24A1
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    R901404812 4WRLE27E1-600LJ-4X/MXY/24A1
    R901396320 4WRLE27E600LJ-4X/MXY/24A1
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    R901404338 4WRLE27W6-430LJ-4X/MXY/24A1
    R901404813 4WRLE27W8-430LJ-4X/MXY/24A1
    R901439962 4WRLE35E1500LJ-4X/MXY/24A1-905
    力士乐REXROTH三位四通高响应换向阀、先导式、电气位置反馈和集成电子放大版(OBE)4WRLE.V
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    力士乐REXROTH三位四通高响应换向阀、先导式、电气位置反馈和集成电子放大版(OBE)4WRLE.E(W)
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