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线性可变差动变压器(LVDT)电力变压器传感器来测量直线位移。 LVDT的交流励磁源的驱使下,产生一对AC输出信号,根据机械位置(位移)的核心调制。常用的LVDT servomechanisms反馈位置,并自动测量机床和许多其他的工业和科学应用。




要读取传感器的测量数据,也来测试潜在的破坏性或危险的运行限值和测试故障条件,Speedgoat支持LVDT / RVDT PCI I / O模块,包括两者的混合,测量通道和刺激输出。

LVDT / RVDT I / O模块可以被安装到“基本法”(PCI-76CL1)或经典(73LD3)实时目标机和XPC目标驱动程序库的支持。可能需要根据您的需要外部信号调理。额外的I / O模块使用可根据要求支持实时目标机的性能或自动化半长PCI外形。

I/O module

Form factor



PCI (full sized)

8 LVDT/RVDT measurement channels and 6 3/4-Wire or 12 2-Wire LVDT/RVDT stimulus outputs



6 2-wire or 3/4-wire transformer isolated autoranging inputs for LVDT/RVDT measurement

PCI LVDT/RVDT Measurement & Simulation

Model PCI/PCIe 76CL1


Platform: PCI/PCIe
Function(s): LVDT / RVDT Measurement
LVDT / RVDT Simulation
Category: Embedded I/O Boards / PCI/PCIe Boards
Documents: View
Software: View
Code List: View


  • 16 Bit Resolution
  • Continuous background BIT testing with Excitation and Signal loss detection
  • Automatically supports either 5V or 3.3V PCI bus
  • Transformer isolated
  • 4, 8 and 12 (2 wire) Stimulus channels or 2, 4 and 6 (3 or 4 wire) Stimulus channels available to mix with 4 or 8 (2, 3, or 4 wire) Measurement channels
  • Auto-ranging input between 2.0 and 28 Vrms
  • Self-calibrating. Card removal NOT required.
  • 360 Hz to 10 kHz operation
  • LATCH feature for Measurement
  • ON/OFF for Stimulus (D/L) Channels
  • Stable output with temperature
  • Watchdog timer and soft reset
  • No adjustments or trimming required
  • Commercial or Extended Temperature
  • Part number, S/N, Date code, & Rev. in nonvolatile memory
  • Windows 98/2000/NT, Labview and Linux supported
  • Graphical User Interface

The 76CL1 is a PCI LVDT/RVDT Measurement and Simulation Board that provides eight LVDT/RVDT Measurement Channels and six 3/4-Wire (or Twelve 2-Wire) LVDT/RVDT Stimulus outputs, that can be used in single-speed or two-speed modes. It provides wrap-around self-test, optional Programmable Reference Supply, and is available for Military or Commercial applications. Please note; this is a legacy (mature) product - support for this product will remain within the extent of the existing available documentation and software support kit(s). For new applications/programs, please visit/reference the76CS3 Product Page.