Diversified Optronix DISPLACEMENT FOLLOWER 5100 Скачать руководство пользователя страница 17 | Manualshive

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Diversified Optronix DISPLACEMENT FOLLOWER 5100 Скачать руководство пользователя страница 17

Displacement Follower User’s Manual

Version 1.4, April 19, 2004

IM1008

Page 15

Model 806 Optical Head

The Model 806 Optical Head is the camera that senses the position of the target. The head contains an Electron Tubes Type
9670B image dissector tube on which the lens system images the target motion. This tube converts the light motion into
electron motion. The head also contains a deflection yoke used to deflect the electron motion. A beam-splitting viewer is
provided to focus the optical head on the target during all stages of operation. The lens system attaches to the head. Other
than the f-stop aperture control on fixed focus lenses, or the f-stop and focus adjustment on variable focus lenses, no
controls are located on the head.

The Optical Head is round and rotates easily within its housing to adjust the tracking axis for non-vertical motion.. (The two
1/16” set screws on each side of the head should be loosened to allow rotation. See

Figure 14

).

Tracking Axis Alignment

Since the system will track only along the axis that is vertical as seen through the viewer, it is often convenient to rotate that
axis to match the application. There are two set screws located on each side of the tracking head that allow for this. By
loosening these set screws with a 1/16” Allen wrench, the inside of the head can be rotated within the outer housing.

Figure 14

Rear Panel

Vertical/Horizontal Selector

Determines the direction of tracking. This is a two-position rotary switch on the rear

panel of the control unit. Turning the switch counterclockwise to

Vertical

selects tracking along the vertical tracking axis as

seen through the viewer. Turning it clockwise will cause the tracker to follow displacements along the horizontal tracking
axis.

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Содержание DISPLACEMENT FOLLOWER 5100

Страница 1: ...Model 5100 Displacement Follower Non Contact Single Axis Tracking System Diversified Optronix Corp 116 Quirk Road Milford CT 06460 www divop com...

Страница 2: ...Tracking Prerequisites 11 Focusing and System Noise 12 High Voltage Adjustments 12 Equipment and Functions 13 Front Panel Functions 13 Model 806 Optical Head 15 Tracking Axis Alignment 15 Rear Panel...

Страница 3: ...er is removed from either the tracking head or control unit these voltages are accessible and dangerous Photomultiplier The tracking tube used in the 5000 Series Displacement Followers is susceptible...

Страница 4: ...he control unit to the optical head and secure with the lock ring 3 Attach the lens systems to the optical head The lens screws into the extension barrel and the extension barrel screws into the head...

Страница 5: ...proportional to the number of electrons entering the aperture Moving the electron image across the aperture plate varies the number of electrons entering the aperture Figure 1 The system detects chang...

Страница 6: ...possible to alter the phase of the current going through the deflection coils to deflect the electron image back to its original locked on position and not away from this center position In the 5000 S...

Страница 7: ...responding ranges of measurement If the standard lens set cannot meet an application s requirements DE can supply alternative lens systems to meet almost any standards Feel free to consult the factory...

Страница 8: ...ull scale displacement for the target under study 2 Calculate the magnification A 0 15 in MR in or A 3 775 mm MR mm 3 Calculate the working distance WD 1 1 A fl Focal length is most often given in mil...

Страница 9: ...ngth in millimeters of the extension tube needed by subtracting the internal distance between the photo tube and the faceplate EX D 34 6mm 121mm 35 6mm 86 4mm Precision of the Lens Calculations Often...

Страница 10: ...on the lens holder and measure the distance from that point to the point of attachment of the lens holder to any extension barrels used This distance should now be included in the length calculated fo...

Страница 11: ...7 8 and 9 show some examples of possible target configurations Figure 6 Figure 7 Figures 6 and 7 represent targets with configurations of light over dark and dark over light respectively The 5000 Seri...

Страница 12: ...e a built in light dark interface you can tape or paint an interface onto the surface The white light dark interface should be a flat non gloss surface Make sure the intensity of the illumination is g...

Страница 13: ...rerequisites Single Axis Vertical or Horizontal The target and its motion should be located in the plane that is perpendicular to the optical axis For successful lock on the target s width must be gre...

Страница 14: ...signal to noise on the output at the rate of 3 dB per f stop Stopping down the lens also gives rise to a better depth of field which can give a sharper focus for targets that move about the optical ax...

Страница 15: ...When viewing the dark portion of the target adjust the lock on potentiometer for a light reading of 20 See Operating Procedures 16 on page 3 Light Operate Switch Operate position allows the meter and...

Страница 16: ...tentiometer that adjusts the amplitude of the displacement output This control calibrates the range of measurement and the output voltage setting the relationship between voltage and displacement Cons...

Страница 17: ...otates easily within its housing to adjust the tracking axis for non vertical motion The two 1 16 set screws on each side of the head should be loosened to allow rotation See Figure 14 Tracking Axis A...

Страница 18: ...ce from the lenses it should be visible in the viewer Adjust the head position until the target is in sharp focus The full scale measurement range of the target is represented in the viewer by the 0 1...

Страница 19: ...r X Y recorder among others to the output BNC connectors Since the output impedance of the 5100 is just under 50 ohms loading effects by external instrumentation will be negligible Velocity and Accele...

Страница 20: ...n until you obtain velocity peaks of just under 10V P P Full scale outputs are 10V P P and the system will clip above that 3 When the velocity has been set for just under 10V P P set the Acceleration...

Страница 21: ...ut less than 10V P P 5 Vel Full Scale FOV in sec Vel Time seconds mm sec 6 Target Vel Vel Output peak X Vel Full Scale 5 7 Vel Output Peak Vel Output volts in sec Sensitivity Target Vel 8 Accel Full S...

Страница 22: ...P P Velocity Output Voltage 4 0 V P P Acceleration Output Voltage 8 0 V P P System Noise Since the Velocity Acceleration unit is a differentiator its output voltage increases with frequency at the ra...

Страница 23: ...are 1 Improper target phase L D D L etc 2 Improper centering of tracker on target 3 Improper illumination of target The light source must be DC The light intensity must be calibrated for 20 Dark and 2...

Страница 24: ...on the static calibrator The working distance should be the same as that used in practical application See Figure 16 2 Observe Operating Procedures described on page 16 3 Attach the digital voltmeter...

Страница 25: ...use of the same working distance in practice means that movement over the total range of measurement will correspond to a change in output voltage of 5 volts Note that for a variable focus lens any ch...

Страница 26: ...000 to 6 000 Lens 25mm extension tube 0 250 to 0 325 4 125 to 5 000 Lens 35mm extension tube 0 175 to 0 200 3 000 to 3 500 Lens 50mm extension tube 0 150 to 0 165 2 265 to 3 000 Lens 75mm extension t...

Страница 27: ...Calibration Data Sheet CUSTOMER DATE PO S N 1 2 3 4 5 LENS NUMBER FOCAL LENGTH EXTENSIONS WORKING DISTANCE RANGE OF MEASUREMENT 1 2 3 4 5 H H DIVERSIFIED ENGINEERING LENS CALIBRATION DATA SHEET GAIN...

Страница 28: ...experiencing with Product Before you return any items please call or email for instructions and authorization Some problems can be resolved without any need for shipping the equipment There is no othe...

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