Geokon 8020-42CPR Installation Instructions Manual Download Page 1

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

       

 

 
 

 

Installation Instructions 

Model 8020-42CPR 

Single Coil Autoresonant Adapter 

4-20Ma Output 

No part of this instruction manual may be reproduced, by any means, without the written consent of Geokon, Inc. 

 

The information contained herein is believed to be accurate and reliable. However, Geokon, Inc. assumes no responsibility for 

errors, omissions, or misinterpretation. The information herein is subject to change without notification. 

 

Copyright © 2007-2018 by Geokon, Inc. 

(Rev F, 08/23/2018) 

Summary of Contents for 8020-42CPR

Page 1: ...oduced by any means without the written consent of Geokon Inc The information contained herein is believed to be accurate and reliable However Geokon Inc assumes no responsibility for errors omissions or misinterpretation The information herein is subject to change without notification Copyright 2007 2018 by Geokon Inc Rev F 08 23 2018 ...

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Page 3: ...re are no warranties except as stated herein There are no other warranties expressed or implied including but not limited to the implied warranties of merchantability and of fitness for a particular purpose Geokon Inc is not responsible for any damages or losses caused to other equipment whether direct indirect incidental special or consequential which the purchaser may experience as a result of t...

Page 4: ...ION 5 APPENDIX A SPECIFICATIONS 6 FIGURES FIGURE 1 BLOCK DIAGRAM 1 FIGURE 2 INTERNAL JUMPER SETTINGS FOR MICRO 10 CONFIGURATION 3 FIGURE 3 INTERNAL JUMPER SETTINGS FOR GENERIC DATALOGGER CONFIGURATION 4 FIGURE 4 INTERNAL JUMPER SETTINGS FOR STAND ALONE CONFIGURATION 4 TABLES TABLE 1 CONNECTOR SIGNAL DESCRIPTION 2 TABLE 2 SPECIFICATIONS 6 EQUATIONS EQUATION 1 CONVERT 4 20MA OUTPUT TO DIGITS 5 ...

Page 5: ...gits frequency These 4 20mA outputs are factory set for the range of 2250 digits 1500Hz 20mA to 12250 digits 3500Hz 4mA but may be adjusted for other ranges One of the 4 20mA outputs is a non isolated current source I_out I_out The other 4 20mA output LOOP_ LOOP_ is a current sink designed to be used in applications that require an isolated controller Typically the 4 20mA output is adjusted to cov...

Page 6: ...d Power 0V 8 I_OUT Ground return for 4 20mA signal Power 0V 9 I_OUT 4 20mA source Output 4 20mA 10 C VW coil Input 1mVpp 11 C VW coil Input 1mVpp 12 CR10EX Excitation Micro 10 configuration Input TTL CMOS EX 13 CR10EN Enable Micro 10 configuration Input TTL CMOS C1 C7 14 CR10CLK Clock Micro 10 configuration Enable Generic Datalogger configuration Input TTL CMOS C8 15 GND Ground Ground 0V Table 1 C...

Page 7: ...VW gage Once the swept frequency is complete the 8020 42CPR will lock onto the returned VW signal and maintain excitation by applying one excitation pulse for every 16 cycles of VW frequency The VW frequency is provided as both a 200mv pp signal at FOUT_ATT connector position two and as a 5v pp 50Ω output at FOUT connector position one It is helpful to add a small amount of delay 0 5 Sec from the ...

Page 8: ...ng one excitation pulse for every 16 cycles of VW frequency The 8020 42CPR will provide continuous VW frequency output until the CR10CLK control line is brought low At this time the 8020 42CPR will go back to sleep 3 3 Stand Alone Configuration When configured in the Stand Alone mode the 8020 42CPR will provide continuous excitation and frequency output from a single Vibrating Wire gage All that i...

Page 9: ... output signal to Digits Digits 12250 625 x mA 4 Equation 1 Convert 4 20mA Output to Digits Where mA 8020 42CPR 4 20mA output signal For example If the 8020 42CPR is outputting a 4 20mA current of 12mA then Digits 12250 625 x 12 4 Digits 12250 625 x 8 Digits 12250 5000 Digits 7250 ...

Page 10: ...mA Iout PLL Capture Range 1200 4000 Hz PLL Lock Range 1150 4500 Hz Internally Generated Fsweep Frequency start 400 Hz Frequency end 4500 Hz Sweep Duration 750 mSec Sweep Shape Linear Frequency Outputs FOUT_ATT 200mVpp 1kΩ AC coupled FOUT 5Vpp 50Ω AC coupled Control Inputs CR10EN 5V CMOS CR10CLK 5V CMOS EX 5V CMOS VW excitation ENVIRONMENTAL Temperature range 0 70 C Table 2 Specifications ...

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