from TE Connectivity

The LDM-1000 is an extremely versatile and popular LVDT/RVDT signal conditioning module and the perfect choice for industrial applications requiring the DIN standard rail mount. The LDM-1000 provides everything you will need for accurately interfacing an AC operated Linear or Rotary Variable Differential Transformer to your industrial position control system.

The LDM-1000 was designed with maximum sensor/system compatibility in mind. A wide range of gains, excitation voltages and frequencies ensure compatibility with virtually all LVDT and RVDT type transducers. A full-wave synchronous demodulator eliminates quadrature and harmonics to maximize external noise rejection.

The LDM-1000 also provides several different input/output options to accommodate varying PLC and analog I/O requirements: Single-ended voltage outputs with the use of 100% zero suppression to maximize the sensor stroke utilization while simplifying programming (no need to deal with sign). Bipolar voltage output to maximize A/D bit usage with most PLC analog input modules, for applications requiring high resolution. 4-20mA current output for applications requiring long signal runs or where noise immunity may be an issue. The 4-20mA loop is driven by an internal power supply, provided by the LDM-1000.

Finally, the frequency response is internally selectable and so is the master/slave function which allows synchronization of multiple LDM-1000 modules to prevent beat frequencies and cross talk between transducers.

Features

  • Standard DIN rail form factor
  • Voltage and current output signals
  • Phase correction
  • Status LED’s for power and loop integrity
  • Multiple LVDT master/slave capability

Applications

  • Gas and steam turbine control systems
  • Process control systems
  • Reeler/dereeler control systems
  • Automotive test track instrumentation
  • Paper head box control
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