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80537_MAN_VDA-I_10-2017_ENG

2

INTRODUCTION

Device data

In the space below, write the order code and other plate data 

shown on the label attached to the outside of the amplifier 

(see figure). 

If you need technical assistance, this information must be gi

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ven to Gefran Customer Service.

VDA-I

Serial No.

Order code

Warnings and safety

Make sure that you always have the latest version of this ma-

nual, downloadable at no cost from Gefran’s website (www.

gefran.com). 

The devices described in this manual must be installed by 

trained  personnel  in  conformity  to  current  laws  and  regula

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tions, following all of the instructions in this manual.

Installers and/or maintenance personnel MUST read this ma-

nual and scrupulously follow all of the instructions contained 

herein and in the attachments. 

Gefran will not be liable for any damage/harm caused to per

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sons and/or property, or to the device itself, if all of such inst-

ructions are not followed.

INTRODUCTION

Disposal

The amplifier VDA-I must be disposed of in conformity to current laws and regulations.

If not correctly disposed of, some of the components used in the devices may harm the environment.

Disclaimer

Although all of the information in this manual has been care

-

fully  checked,  Gefran  S.p.A.  assumes  no  liability  regarding 

the presence of any errors or regarding damage to property 

and/or harm to individuals due to any improper use of this 

manual

Gefran S.p.A. also reserves the right to change the contents 

and form of this manual, as well as the characteristics of the 

devices described herein, at any time and without notice. The 

technical data and performance levels specified in this ma

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nual  are  to  be  considered  a  guide  for  the  user  in  order  to 

determine the device’s suitability for a defined use, and do not 

constitute a guarantee.

They may be the result of test conditions at Gefran S.p.A., 

and the user must compare them to his/her real application 

requirements.

Under no circumstances will Gefran S.p.A. be liable for any 

damage to property and/or harm to individuals due to tampe

-

ring, incorrect or improper use, or use not conforming to the 

characteristics of the amplifier to the instructions contained in 

this manual.

Copyright

This manual and its attachments may be freely reproduced 

provided its contents are not changed in any way and provi

-

ded every copy includes the above Disclaimer and the state-

ment of ownership of Gefran S.p.A.

Gefran and Sensormate are registered trademarks of Gefran 

S.p.A.

This manual may make reference to or reproduce trademarks 

and logos of third parties. Gefran S.p.A. acknowledges such 

parties’ ownership of these trademarks and logos.

Summary of Contents for 80537

Page 1: ...INSTRUCTION MANUAL Code 80537 VDA I VARIABLE DIGITAL INLINE AMPLIFIER 80537_MAN_VDA I_10 2017...

Page 2: ......

Page 3: ...neral installation rules 5 2 1 1 1 Protection against infiltration of dust and water 5 2 1 1 2 Minimum space for ventilation 5 2 1 2 Positioning 5 2 2 Electrical connections 5 2 2 1 General rules for...

Page 4: ...fully checked Gefran S p A assumes no liability regarding the presence of any errors or regarding damage to property and or harm to individuals due to any improper use of this manual Gefran S p A als...

Page 5: ...The variable digital inline amplifier VDA I converts the signal from strain sensors and load cells into a voltage or current output signal The VDA I amplifier can be used in dynamic and static applica...

Page 6: ...L DESCRIPTION 1 2 VDA I Main features Amplifier with fast digital output For dynamic and static applications Very high strain gauge bridge offset range Compact solid aluminium housing IP65 1 3 Dimensi...

Page 7: ...temperatur must not exeed 85 C during operation 2 1 2 Positioning Fasten the amplifier to a sufficiently rigid and robust support Use the four through holes on the amplifier and M5 screws Advice The...

Page 8: ...rain gauge 2 6 n a 6 1 2 3 4 5 Excitation Signal Signal Excitation 2 3 1 4 5 6 1 2 3 4 5 Connection pin Function 1 Excitation 2 Excitation 3 Excitation 4 Signal 5 Signal 6 Excitation Sensor 2 4 bridge...

Page 9: ...output signal To run a Reset supply voltage from 12 to 36 V for at least 25 ms there are no limits to longer durations to the Reset input of the function in question It s possible to tare an input si...

Page 10: ...E stretching Allowed load 5 k 0 500 Temperature effects zero 0 01 FS C Temperature effects span 0 01 FS C 1 incl Non linearity Hysteresis Repeatability Zero offset and Span offset 2 Uses 50V 2J Voltag...

Page 11: ...stored 2 10 6 reset cycles allowed HO11 External high reset 24V with power on reset infinite reset cycles allowed HR11 Peak feature no peak hold O 0 0 Order code VDA I Example VDA I H A N 2 1000 00 H...

Page 12: ...80537_MAN_VDA I_10 2017_ENG 10...

Page 13: ......

Page 14: ...GEFRAN Spa Via Sebina 74 25050 Provaglio d Iseo Bs Italien Tel 39 0309888 1 Fax 39 0309839063 info gefran com http www gefran com...

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