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Measurement Computing LVM-110 Operation Manual

Signal conditioner with dc voltage output
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Operation Manual
LVM-110 LVDT/RVDT OEM Signal Conditioner
Operation Manual
LVM-110 Signal Conditioner
with
DC Voltage Output
Measurement Specialties Inc.
www.meas-spec.com
phone: +1-800-745-8008
1000 Lucas Way, Hampton, VA 23666, United States
1 of 8
fax: +1-757-766-4297
Rev. 1 / May 2014

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Summary of Contents for Measurement Computing LVM-110

  • Page 1 Operation Manual LVM-110 LVDT/RVDT OEM Signal Conditioner Operation Manual LVM-110 Signal Conditioner with DC Voltage Output Measurement Specialties Inc. www.meas-spec.com phone: +1-800-745-8008 1000 Lucas Way, Hampton, VA 23666, United States 1 of 8 fax: +1-757-766-4297 Rev. 1 / May 2014...

  • Page 2: Table Of Contents

    Operation Manual LVM-110 LVDT/RVDT OEM Signal Conditioner Table of Contents Introduction Product Specifications Product Description Circuit Top View Connection Diagram Initial Setup Procedure Oscillator Frequency Oscillator Mode Oscillator Drive Capability Setting the Amplifier Gain Calibration Procedure (for +/-10 and +/-5VDC Output)

  • Page 3: Introduction

    LVM-110 LVDT/RVDT OEM Signal Conditioner 1 Introduction The LVM-110 is an LVDT/RVDT (Linear or Rotary Variable Differential Transformer) signal conditioning board with DC voltage output, primarily designed for OEM process automation applications. The design has been optimized to provide maximum versatility while offering good performance at a moderate cost.

  • Page 4: Product Description

    Operation Manual LVM-110 LVDT/RVDT OEM Signal Conditioner 3 Product Description This device is compatible with most, but NOT all, 5 and 6 wire LVDT and RVDT type transducers. Please consult the product specification to ensure compatibility with your particular sensor.

  • Page 5: Connection Diagram

    Analog output signal required by your application 6.1 Oscillator Frequency Once you have established the proper excitation frequency for your transducer, refer to the table below and the DIP switch locations on the Circuit Top View (in this manual) to set the LVM-110 oscillator frequency: Oscillator...

  • Page 6: Setting The Amplifier Gain

    VDC LVM-110 full scale output. To calibrate the LVM-110 with your LVDT or RVDT for a ±5 VDC output, double the result of your full scale output calculation, prior to consulting the gain table. This will result in you selecting half the normal gain, therefore resulting in half the normal DC output.

  • Page 7: Calibration Procedure (For +/-10 And +/-5Vdc Output)

    1. Disconnect the LVDT/RVDT secondary lead-wire (black) from terminal 8 2. Place a temporary shorting jumper across terminals 6 and 8 (to short the LVM-110 input) 3. Adjust the ZERO potentiometer for zero volt DC output, between terminals 9 (GND) and 10 (OUT) 4.

  • Page 8: Additional Information

    Operation Manual LVM-110 LVDT/RVDT OEM Signal Conditioner After you have set the zero switches for the offset, your output should have changed to –1VDC approximately. Using the ZERO potentiometer, adjust the DC output until it changes to zero VDC, from the original -1VDC.
  • Page 9 DISTRIBUTOR / DISTRIBUIDOR Brazil and South America / Brasil e América do Sul Metrolog Controles de Medição Address / Endereço: Rua Sete de Setembro, 2656 13560-181 - São Carlos - SP Brazil / Brasil Phone / Telefone: +55 (16) 3371-0112 +55 (16) 3372-7800 Internet: www.metrolog.net...

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