JUPITER INTEGRATED SENSOR SYSTEMS PVT. LTD.
Voltage Output, LVDT-RVDT OEM Signal Conditioner

Voltage Output, LVDT-RVDT OEM Signal Conditioner

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Salient Features :

  • Low cost OEM signal conditioner
  • Very compact, open PC board design
  • Multiple unipolar and bipolar output options
  • DIP switch selectable gain and excitation
  • 2.5, 5, 8 and 10kHz excitation frequencies
  • Zero and span adjustment potentiometers
  • Master/slave capability
  • Card-edge or barrier strip connections
  • Works with very low input impedance LVDTs and RVDTs

DESCRIPTION :

The LVM-110 is a full-featured LVDT/RVDT signal conditioner that offers excellent performance on a budget. Operating on either a ±12 or ±15VDC supply voltage, the LVM-110 delivers a full range of selectable unipolar and bipolar, low noise DC voltage outputs.

Designed to be compatible with most LVDTs and RVDT transducers, the LVM-110 will operate with 5 and 6 electrical connection devices. This versatility is due to the wide variety of selectable excitation frequencies, and a generous excitation drive current of 20mA, allowing operation with transducer input impedances as low as 150 Ohms. The master/slave function (DIP switch selectable) allows synchronization of multiple conditioners to prevent beat frequencies and cross talk between transducers. The need for phase correction adjustment is eliminated thanks to demodulation synchronized to the sum of the LVDT/RVDT outputs.

The LVM-110 is designed for easy installation, plugged into a backplane-type connector, or with individual wires connected to the screw terminal barrier strip. Measuring less than 2.5x2.5 inches, it can be mounted or stacked using the permanently attached threaded standoffs, or card-edge guides. All selectable operating parameters are easily accessed via two DIP switches, simplifying the gain, frequency and output setup procedure.

Also see our other LVDT/RVDT signal conditioner models :

LiM-420

24VDC supply, 4-20mA (3-wire) output, open circuit board

LDM-1000

10 to 30VDC supply, DC voltage and 4 to 20mA outputs, DIN rail mountable

ATA-2001

Line powered, DC voltage and current outputs, push-button programmable

IEM-422

Line powered, 4-20mA output, NEMA-13 rated enclosure

PML-1000

AC or DC supply, DC voltage, current and RS485 outputs, 1/8 DIN panel meter,

MP-2000

Line-powered, analog DC & RS232 outputs, ¼ DIN, dual channel set point controller with bitmapped display

Features :

  • Low cost/high performance
  • 3-pole Butterworth filter
  • DIP switch selectable gain, output and LVDT excitation frequency
  • 20-turn zero suppression & span potentiometers

Applications :

  • Position feedback systems
  • High density dimensional gaging
  • Space restrictive installations
  • Testing systems
  • Integration into OEM machines

Performance Specifications :

Supply voltage

+12VDC or +15VDC, +10% (Note; +15VDC required for +10VDC output)

Supply current

+50mA maximum

Output voltage ranges

+5VDC, +10VDC, 0 to +5VDC, 0 to +10VDC (DIP switch selectable)

Temperature coefficient of output

+0.02% of FSO per oF [+0.036% of FSO peroC] over operating temperature range

Output current

5mA maximum

Output noise and ripple

15mV RMS maximum

Output impedance

1Ω maximum

Frequency response

250Hz @ -3 dB (3-pole Butterworth filter)

Non-linearity

+0.05% of FSO maximum

Stability

+0.05% of FSO maximum (after 15 minute warm-up)

Zero suppression

+6VDC total

Transducer excitation

Voltage

3VRMS +10%, sine wave

Current

20mA RMS maximum

Frequency

2.5, 5, 8 or 10KHz (DIP switch selectable)

Transducer requirements

Transducer type

LVDT or RVDT with 5 or 6 electrical connections

LVDT/RVDT input impedance

150Ω minimum

LVDT/RVDT output range

0.1 to 5.6 VRMS for +10VDC signal conditioner output

ENVIRONMENTAL AND MECHANICAL SPECIFICATIONS

Operating temperature range

30oF to +130oF [-1oC to 55oC]

Storage temperature range

-40oF to +257oF [-40oC to 125oC]

Zero and gain adjustments

20-turn potentiometers

Electrical connections

PC board edge (to backplane-type connector) or barrier terminal strip (accepts AWG 14 to 30 wire sizes)

Mounting

Use the attached threaded standoffs or card-edge guides