Geokon 8020-42CPR Installation Instructions Manual Download Page 3

 

Warranty Statement 

 
Geokon, Inc. warrants its products to be free of defects in materials and workmanship, under 
normal use and service for a period of 13 months from date of purchase. If the unit should 
malfunction, it must be returned to the factory for evaluation, freight prepaid. Upon examination 
by Geokon, if the unit is found to be defective, it will be repaired or replaced at no charge. 
However, the WARRANTY is VOID if the unit shows evidence of having been tampered with 
or shows evidence of being damaged as a result of excessive corrosion or current, heat, moisture 
or vibration, improper specification, misapplication, misuse or other operating conditions outside 
of Geokon's control. Components which wear or which are damaged by misuse are not 
warranted. This includes fuses and batteries. 
 
Geokon manufactures scientific instruments whose misuse is potentially dangerous. The 
instruments are intended to be installed and used only by qualified personnel. There 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 the installation or use of the product. The buyer's sole remedy for any breach of this 
agreement by Geokon, Inc. or any breach of any warranty by Geokon, Inc. shall not exceed the 
purchase price paid by the purchaser to Geokon, Inc. for the unit or units, or equipment directly 
affected by such breach. Under no circumstances will Geokon reimburse the claimant for loss 
incurred in removing and/or reinstalling equipment. 
 
Every precaution for accuracy has been taken in the preparation of manuals and/or software, 
however, Geokon, Inc. neither assumes responsibility for any omissions or errors that may 
appear nor assumes liability for any damages or losses that result from the use of the products in 
accordance with the information contained in the manual or software. 
 
 

 

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 ...

Page 2: ......

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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