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TECHNICAL REFERENCE MANUAL 

DS-16xLVDTr 

 

 

6.3. Typical Half Bridge sensor connection 

 

 

 

 

 

 

External Half Bridge completion 

 

 

Optional internal Half Bridge completion

 

 

 

Important 

Input - (pin7) shall be connected to half bridge completion resistor divider assembled with

   

 

 

 

 

 

 

 

 

 

 

 

 

discrete resistors with the following recommended specifications:  

Resistance  1kΩ,  

Tolerance  0.1%,  

Temperature coefficient  15ppm,  

Power 0,125W.  

This connection is preferred over the connection IN- to GND (so called “noisy GND”).

 

 

 

 

 

V1.0 

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Содержание DS-16xLVDTr

Страница 1: ...DS 16xLVDTr TECHNICAL REFERENCE MANUAL V1 0 1...

Страница 2: ...Pinout 15 6 2 Typical Full Bridge sensor connection 16 6 3 Typical Half Bridge sensor connection 17 7 Adapter outputs 19 7 1 Pinout 20 7 2 Typical connection to DEWESoft ampli er w DSUB 9 connector 2...

Страница 3: ...nformation about a subject Please read carefully Hint Gives you a hint or provides additional information about a subject Example Gives you an example to a speci c subject Safety symbols in the manual...

Страница 4: ...16xLVDTr technical reference manual 1 2 2 DEWESoft tutorials The DEWESoft tutorials document provides basics and additional information and examples for working with DEWESoft and certain parts of the...

Страница 5: ...S 16xLVDTr 2 System Overview DS 16xLVDTr Combines 16 channels of LVDT signal conditioners in a 19 rack housing with 1U height LVDT Strain Stress Full Bridge Half Bridge DSI Compatible TEDS Compatible...

Страница 6: ...l provided from external function generator to a BNC front connector IN connector When using multiple DS LVDTr devices the EXC signal can be daisy chained from the BNC OUT connector to the BNC IN conn...

Страница 7: ...CR 55ppm K of Full Scale Sensor supported type Full Bridge Half Bridge LVDT impedance min 120R SYNC Input Voltage 500mVrms typical recommended 1700mVrms max recommended Sensor Exc voltage 3Vrms max 15...

Страница 8: ...TECHNICAL REFERENCE MANUAL DS 16xLVDTr 3 2 Output bandwidth Magnitude and Phase response Typical magnitude response for 4kHz EXC Typical phase response for 4kHz EXC V1 0 8 27...

Страница 9: ...TECHNICAL REFERENCE MANUAL DS 16xLVDTr Typical magnitude response for 10kHz EXC Typical phase response for 10kHz EXC V1 0 9 27...

Страница 10: ...ts of this new circuit are minimal adjustments are required temperature stability is improved and transducer interchangeability is improved Functional block diagram of a single shannel of DS 16xLVDTr...

Страница 11: ...sor Two examples are shown for sensor with sensitivity 0 5 Output signal level is of the Exc Signal Sensor output phase lag is 45 LVDT adapter output is 0 35 1Vexc sensitivity 0 70 When phase compensa...

Страница 12: ...ut connectors 2 x BNC Parallel Not isolated Coupling AC High pass 3dB 16Hz 1st order Input impedance 1MR Overvoltage Protection ESD 36V Bidirectional TVS Overcurrent Protection 2 4mA typical Resettabl...

Страница 13: ...ansfer Coef cients Parameter Output 4kHz Vrms Output 4 8kHz Vrms Output 10kHz Vrms Transfer K 1 76 1 76 1 7 Sensor LVDT EXC Output equation V DT XC Output V rms Transfer Sync Input V rms L E K In uenc...

Страница 14: ...VDTr 6 Sensor inputs LVDT sensor inputs are located on the back side Parameter Description Comment Connectors 16 x DSUB 9 female Not isolated Sensor Probe type Half Bridge Full Bridge Optional Interna...

Страница 15: ...or supply excitation 2 Sensor Output 3 Sense 4 Ground 5 Not Connected 6 Sense 7 Sensor Output 1 8 Sensor supply excitation 9 Reserved Important Optional internal HB completion Do not connect Sensor Ou...

Страница 16: ...CHNICAL REFERENCE MANUAL DS 16xLVDTr 6 2 Typical Full Bridge sensor connection Note 6 wire connection only shown 4 wire also possible connect Sns and Exc signals on adapter side of connector V1 0 16 2...

Страница 17: ...idge completion Important Input pin7 shall be connected to half bridge completion resistor divider assembled with discrete resistors with the following recommended speci cations Resistance 1k Toleranc...

Страница 18: ...TECHNICAL REFERENCE MANUAL DS 16xLVDTr External Half Bridge completion DSUB9 solder side view Example Example sensor pinout V1 0 18 27...

Страница 19: ...outputs DS 16LVDTr adapter outputs are located on the front side Channels Phase adjustment positions on front side Parameter Description Comment Connectors 16 x DSUB 9 male Not isolated Phase adjustme...

Страница 20: ...CHNICAL REFERENCE MANUAL DS 16xLVDTr 7 1 Pinout Pin Assignment DSUB9 male 1 Power supply 2 Output 3 Power supply sns 4 Ground 5 Not Connected 6 Power supply sns 7 Ground 8 Power supply 9 TEDS V1 0 20...

Страница 21: ...EFERENCE MANUAL DS 16xLVDTr 7 2 Typical connection to DEWESoft ampli er w DSUB 9 connector Use shielded DSUB9 male to DSUB9 female extension cable Pin Assignment DSUB9 female Pin Assignment DSUB9 male...

Страница 22: ...ndling Observe the following guidelines when recycling a Dewesoft system System and Components Recycling Production of these components required the extraction and use of natural resources The substan...

Страница 23: ...shocks Before connecting the system please read the corresponding speci cations in the product manual carefully The inputs must not unless otherwise noted CATx identi cation be connected to the mains...

Страница 24: ...ronmental conditions Avoid operation in the immediate vicinity of high magnetic or electromagnetic elds transmitting antennas or high frequency generators for exact values please refer to the enclosed...

Страница 25: ...https dewesoft com support distributers 9 2 Calibration Every instrument needs to be calibrated at regular intervals We recommend annual calibration Before your Dewesoft data acquisition system is del...

Страница 26: ...red trademarks are acknowledged to be the property of their owners 9 8 Trademarks We take pride in our products and we take care that all key products and technologies are registered as trademarks all...

Страница 27: ...TECHNICAL REFERENCE MANUAL DS 16xLVDTr 9 9 Documentation version Doc Version Date dd mm yyyy Notes 1 0 0 06 12 2019 Initial version V1 0 27 27...

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