Manuel d’utilisation Diversified Optronix DISPLACEMENT FOLLOWER 5100

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Summary
  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 1

    Model 5100 Displacement Follower Non-Contact Single Axis Tracking System Diversified Optronix Corp. 116 Quirk Road Milford, CT 06460 www. d i vo p . c o m ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 2

    Table of Contents Introduction, 1 Equipment Supplied, 1 W arnings , 1 Sy stem Assembl y, 2 Theory of Operation, 3 The Lenses, 5 Lens Systems, 5 Lens Calculations, 5 Precision of the Lens Calculations , 7 Targeting, 9 Target Requir ements, 9 Target Illum ination, 9 Tec hniques of Targeting, 10 Trac king Prerequisites, 11 Focusing and Sy s tem Noise, ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 3

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 1 Introduction The 5100 Displacement F ollower is a non- contact, real-tim e motion meas urement ins trument that solves meas urement problems w here other instrum ents fail. It can meas ure the displacement of remote or inaccess ible obj ects. The camera tracks the m ot ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 4

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 2 Sy stem A ssembly 1 Inspect the equ ipment f or damage that m ight hav e occurred during sh ipment. If you fin d any dam age, notify the shipping company immediately . 2 Attach the intercon necting cable from the cont rol un it to the optical head and secure w ith the ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 5

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 3 Theory of Operation The system is a non-contacting electro-optical displacem ent follow er desig ned to track the motion of a target along any axis . The moving target under study m ust show a sharp discontinuity in the inten sity of its reflected o r emitted light. Th ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 6

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 4 There are two possible target config urations for meas uring target displacemen t alon g the vertical axis: light over dark and dar k over light. T hat means it must be possib le to alter the pha se of the curr ent going through the defl ection coils to de flect the el ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 7

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 5 The Lenses Lens Sy stems To accom modate the w orking distances and m easuremen t rang es that individual applications may require, the standard lens set supplied is appro priate for a variety of situations. Included in the set are a 105mm en larging lens, a 50mm varia ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 8

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 6 Figure 4 WD = W orking Distance, MR = Full s cale Measurement Range, fl = Focal Lengt h of Simple Lens, EX = Length of Extension Tube needed, D = Dis tance from lens to Photo Cathode, A = Magnificat ion (usually < 1) To calculate the size of the ex tension tube n ee ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 9

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 7 Example The lens to be used in this exam ple is the 10 5m m enlarging len s supplied w ith the sys tem. 1 Ass ume that the object under study is expected to exhi bit a peak-t o-peak displacemen t of one inch . 2 Calculate the m agnification : A = 0.15 in. = 0.15 in = 0 ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 10

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 8 Figure 5 sh ows that th e equivalent 105m m lens can not be considered to be located exactly at the end of the ex tension tube. Its equivalent position is, in fact, approximately 13mm f urther along the optical axis than the position used in the calculations. This posi ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 11

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 9 Ta r g e t i n g Target Requir ements The 5000 Series operates by locking onto a sharp discontinu ity in the intensity of an obj ect’s reflected or em itted light. The target is actually the edge that can be seen at the light- dark interface and can be made up of any ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 12

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 10 using a small screwdriver. For high light conditions, the high voltage may be r educed, or neutral density filters can be placed in fron t of the lenses. Note The light source must be DC o r the tracker will detect the 60 Hz chan ge in light intensity. Techniques of T ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 13

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 11 Figure 11 Tracking Prerequisites Single A xis, Vertical or Horizontal The target and its motion should be located in the plane that is perpendicular to the optical axis. For successfu l lock-on, the target’s w idth mus t be greater than 10% of the fu ll-scale measur ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 14

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 12 Figure 12 The minimum target r equired for vertical tr acking along the vertical tracking axis. Focusing and Sy stem Noise Once you hav e selected a lens system selected and placed an illuminated target in front of the tracking head, open the lens aperture as wide as ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 15

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 13 Equipment and Functions Front Panel Functions Figure 13 1 Power Indicator Indicates th at the system is on. The pow er switch on the rear panel turns the sys tem on and off . To avoid the possibility of electric shock , connect the control unit to the tracking head us ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 16

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 14 4 Output Filter Sw itch A three- po sition sw itch that selects a low pass R/C filter at the displacem ent outputs. For the best signal-to-noise ratio, select the low est cutoff frequency possible with o ut com pro m ising operation. 5 Target Phase Switch Allows the s ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 17

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 15 Model 806 Optical Head The Model 806 Optical Head is the cam era that senses th e position of the target. The h ead contains an Electron Tubes Ty pe 9670B im age dissector tu be on wh ich the lens system im ages the targ et motion . T hi s tube convert s the ligh t mo ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 18

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 16 Operating Procedures General Operating Pr ocedure 1 Prepare the targ et and lighti ng as specif ied. Note that th e light sou rce should be DC to el iminate t he 120 Hz intens ity modulat ion, a nd that the light intensity sho uld b e unifor m over t he targe t are a ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 19

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 17 13 Now, m ove the target or tracking head so that the circle is totally with in the light area of the target. See Figur e 15b . Adjust th e lens aperture or light s ource for a reading of +20% on the front panel m eter. If this readin g cannot be achieve d, then the h ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 20

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 18 Velocity and A cceleration Measurement Operating Procedure Full-scale ou tput for velocity and acceleration are determin ed as follows: 1 Note the fu ll-scale range of m easuremen t (FOV) of the lens being used. 2 With the sys tem in operation, that is with th e targe ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 21

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 19 Worksheet For Parameter Measurement 1. Sy s tem Field of View = FOV = inches or m illimeters 2. Accel. Due to gravity = 386.4 in. / sec 2 = 9814 mm / sec 2 3. Set Velocity T ime for Velocity output less than 10V P-P 4. Set Accel. time f or Accel. output less than 10V ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 22

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 20 Calibratio n Resistors and capacitors hav e been selected to m ake the full-scale values on the tim e constant selector fall with in ±5% of the value indicated. To calibrate the outputs further, it is necessary to move the target or sweep the tracker orthogon al to t ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 23

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 21 Common Problems Th mos t comm on errors are: 1 Improper targ et phase (L/D, D/L , etc.). 2 Improper centerin g of tracker on target. 3 Improper illumination of target: The light sou rce must be DC . The light intensity must be calibrated for (-20 Dark) and (+20 Light) ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 24

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 22 Sy stem Calibration Calibra tion Procedure To calibrate the tracker, you need a digital voltmeter and a static calibrator that can accurately position a target. Since the output im pedance of the s ystem is approximately 50 ohm s, the input im pedance of any readout d ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 25

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 23 Figure 18 6 Adjust the o utput gai n to o btain a read ing ±5 volts a nd rec ord the gain setting. 7 For future referen ce, record the gain settin g and the full-scale m easurement rang e in the blank calibration Data Sheet is at the en d of this manu al. T he f ull- ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 26

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 24 Standard Lens Set Components of the Standard Lens Set Quantity Item 1 105mm Enlarging Lens 1 50mm Camera Lens 1 72mm Extension T ube 1 10mm Extension T ube 1 15mm Extension T ube 1 20mm Extension T ube 1 30mm Extension T ube These charts sh ows som e of the optical pa ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 27

    Displacement Follower User’s Manual Version 1.4, April 19, 2004 IM1008 Page 25 Lens Calibrati on Data Sheet CUSTOME R: DATE: PO#: S/N: 12345 LENS NUMB ER: FOCAL LENG TH: EXTENSION S: WORKING D ISTANCE: RANG E OF MEAS UREMENT: 12345 H H DIVERSI FIED ENGI NEERING LENS CALIBRATIO N DATA SHEET GAIN SETTINGS FOR PROPER CALIBRATION 283 INDIAN R IV ER R ...

  • Diversified Optronix DISPLACEMENT FOLLOWER 5100 - page 28

    Displacement Follower User’s M anual Version 1.4, April 19, 2004 IM1008 Page 26 A ppendix Limited Warranty Diversified Optronix Corp. (DivOp) warrants that the Model 5100 w ill be f ree from defects in material and workm anship for a period of on e (1) year from the date of purchas e. DivOp will, at its discretion, repair or replace any part(s ) ...

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