DVC DVC-4000 Скачать руководство пользователя страница 11 | Manualshive

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Smear is typically noticed during very short exposure times, when an extremely high light
intensity is incident on the CCD. The result is regions of elevated signal level extending above
and below very bright regions. Kodak interline CCDs exhibit very low smear levels, and smear
should not be noticeable under normal operating conditions.

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Содержание DVC-4000

Страница 1: ...TECHNICAL MANUAL FOR DVC 4000 CAMERAS Manual Number 86 4000 01 Release Date August 23 2006 ...

Страница 2: ...exposure mode with electronic shuttering 8 5 2 2 Continuous overlapped extended exposure mode 8 5 2 3 Continuous non overlapped exposure mode 8 5 2 4 Edge triggered exposure single frame capture mode 9 5 2 5 Bulb pulse width exposure mode 9 5 3 BINNING 9 5 4 REGION OF INTEREST 10 6 CCD PHENOMENA 10 6 1 BLOOMING 10 6 2 SMEAR 10 7 MAINTENANCE 12 IMPORTANT WARRANTY INFORMATION 12 7 1 CLEANING GUIDELI...

Страница 3: ... AND POWER SUPPLY CONNECTORS 24 AUXILIARY CONNECTOR 24 Auxiliary Connector Pin Signal list 24 Pin 1 ENL 24 Pin 2 DIFF_RESET_OUT 24 Pin 3 TTL_RESET 25 Pin 4 GND 25 Pin 5 ENF 25 Pin 6 STROBE and programmable output 25 POWER SUPPLY CONNECTOR PIN ASSIGNMENTS 25 APPENDIX C SPECIFICATIONS 26 ...

Страница 4: ...r end users the DVCView imaging application provides full control of up to 8 cameras simultaneously through an intuitive user interface and it enables the user to acquire pan zoom analyze and save imagery and metadata Additionally DVCView provides direct to disk video streaming time lapse capture image averaging image background subtraction and flat fielding For developers DVC also offers a softwa...

Страница 5: ...he DVC 4000 camera DVC 4000 camera CameraLink or Gigabit Ethernet host interface board CameraLink or Gigabit Ethernet cable Regulated power supply Line cord with plug for country of service DVC software CD 3 1 Important information regarding the power supply The DVC 4000 power supply can be configured for 115VAC or 220VAC mains voltages via the selection switch on the underside of the unit Before ...

Страница 6: ... step 4 4 Installing the camera hardware This camera contains sensitive electronic devices that can be damaged by static discharge Use appropriate static control methods when handling the camera Avoid contact with connector pins when cables and plugs are removed Mount the camera in the desired location IMPORTANT To avoid dust accumulation on the CCD sensor do not remove the protective lens mount c...

Страница 7: ...r the software controlled through camera trigger command via the CameraLink serial port Developers should consult the DVC Camera API documentation for further information on the software controlled triggers If the TTL external trigger is used the trigger signal must be active low The trigger point is the high to low leading edge of the trigger signal 5 1 Operating speed The DVC 4000 is capable of ...

Страница 8: ...nds ranging from 111 5 microseconds to 235 milliseconds 40MHz Readout Increments of 58 5 microseconds ranging from 58 5 microseconds to 125 milliseconds 5 2 2 Continuous overlapped extended exposure mode In this mode exposure and readout are overlapped but the exposure ranges from one frame time time taken to read out entire frame to many seconds This mode is typically used if intermediate exposur...

Страница 9: ...hy denoting a camera setting in which the shutter stays open as long as the shutter button is depressed Bulb mode in the DVC 4000 is analogous in that the CCD exposes as long as the trigger signal is asserted a low logic level on the external trigger or a low command on the CameraLink CC1 control line Upon the rising edge of the trigger signal readout of the exposure is initiated Maximum exposure ...

Страница 10: ...erformance image sensor with remarkably ideal behavior over a wide operating range To be as versatile as possible the DVC 4000 camera exploits as much of the CCD capability as possible and provides the user a great degree of control over the CCD functions As a result it is possible to observe some interesting low level CCD phenomena under certain extreme conditions 6 1 Blooming Blooming is the res...

Страница 11: ...an extremely high light intensity is incident on the CCD The result is regions of elevated signal level extending above and below very bright regions Kodak interline CCDs exhibit very low smear levels and smear should not be noticeable under normal operating conditions ...

Страница 12: ...ns mount cap until ready to mount the camera on the application If the camera is removed from the application immediately replace the cap Doing so will keep dust and other contaminants from accumulating on the optical surfaces In addition please note the following model specific guidelines 7 1 2 Standard non cooled camera precautions While the lens mounting ring and locking flange allow the user s...

Страница 13: ...es chemical contamination or other damage due to improper cleaning may void the warranty Remove the camera from the optical assembly and bring the camera to a clean dry location where it is safe to use flammable solvents please see caution below Carefully loosen the lens mount lock ring using the supplied DVC lock ring wrench Orient the camera so that the lens mount is pointing downward and carefu...

Страница 14: ...note that removal of the IR filter can allow debris to collect on the CCD faceplate Please use every precaution to avoid contact with the CCD faceplate and to keep the camera securely mounted to the optical system or capped when not in use 7 1 6 How to remove the IR filter Caution This procedure will cause the focus calibration to be lost Readjustment of the lens back focus will be required after ...

Страница 15: ...ng anti clockwise and then remove the lens ring Remove the filter from the filter ring with lens tissue and store in a protective container Replace the lens ring on to the filter ring and screw on clockwise Remove the lens ring from the lens cap ...

Страница 16: ...fully examine the CCD faceplate in a clean location under a strong direct light Try to determine if the contaminants are a few dust particles an oily smudge such as a fingerprint or both 7 1 7 2 What if the contamination is only a few dust particles If you are sure that the contamination is particulates Use a CLEAN DRY preferably brand new camel hair lens cleaning brush such as those used by photo...

Страница 17: ...ble Do not use near extreme heat arcing electrical equipment such as space heaters or open flame Use only with proper ventilation Follow all safety instructions provided by the manufacturer of the alcohol product 8 Warranty and After Sale Service DVC Company warrants equipment manufactured to be free from defects of material and workmanship Any part or parts will be repaired or replaced when prove...

Страница 18: ...ucts shipped due to continuing product improvements and variations DVC reserves the right to make changes to product specifications and documentation at any time without notice The information in or references from this document are believed to be accurate and reliable however no responsibility is assumed by DVC for its use DVC reserves the right to change modify or correct the information contain...

Страница 19: ...y are ignored The camera will remain in this continuous operation until disabled through software command It can then be re armed for another trigger event Continuous overlapped exposure mode with electronic shutter Strobe pulse occurs only if enabled software command or external trigger TTL_RESET Pixel clock runs continuously ENF output exposure image data output strobe output texp trigger ignore...

Страница 20: ...e camera is operating continuously are ignored The camera will remain in this continuous operation until disabled through software command It can then be re armed for another trigger event Continuous overlapped extended exposure mode Strobe pulse is disabled due to continuous nature of exposure software command or external trigger TTL_RESET Pixel clock runs continuously ENF output exposure image d...

Страница 21: ...will remain in this continuous operation until disabled through software command It can then be re armed for another trigger event Continuous non overlapped exposure mode Strobe pulse occurs only if enabled software command or external trigger TTL_RESET Pixel clock runs continuously ENF output exposure image data output strobe output texp trigger ignored until camera operation halted exposure Trea...

Страница 22: ... software Edge triggered exposure mode Strobe pulse occurs only if enabled readout exposure software command or external trigger TTL_RESET Pixel clock runs continuously ENF output exposure image data output strobe output texp Treadout trigger ignored during exposure and readout exposure readout exposure software command or external trigger TTL_RESET Pixel clock runs continuously ENF output exposur...

Страница 23: ...ra returns to the armed state awaiting the next trigger Any trigger activity during the readout sequence is ignored Bulb pulse width exposure mode Strobe pulse occurs only if enabled software command or external trigger TTL_RESET Pixel clock runs continuously ENF output exposure image data output strobe output texp trigger ignored until readout complete exposure Treadout exposure software command ...

Страница 24: ... TTL_RESET Input 4 GND 5 ENF Output 6 STROBE INT PULSE Output Pin 1 ENL ENL refers to Enable Line It is an active high TTL signal and is asserted during the valid pixel period on each line as shown in the diagrams in Appendix A It returns low during the inter line period between each line and during the inter frame period between each frame Pin 2 DIFF_RESET_OUT This pin is an active low TTL signal...

Страница 25: ...eturns low between frames Pin 6 STROBE and programmable output STROBE is a TTL output that if enabled is high during the actual sensor exposure time in certain modes Refer to the diagrams in Appendix A for details on STROBE operation with respect to the exposure interval in each mode STROBE is typically used to synchronize an external flash lamp or other device with the camera The STROBE signal ca...

Страница 26: ...Hz 1024 X 1024 8 15 512 X 512 15 26 256 X 256 25 39 ROI selected examples 21 43mm diagonal Imager Size DB 9M Power Connector Camera Link MDR 26 Camera Connector X 20 Standard Tripod mount Camera Mount F mount C mount optional Lens Mount 18 ozs 505 grams 30 ozs 900 grams 38 ozs 1077 grams Weight W T1 Cooler W T2 Cooler 3 25 H X 3 25 W X 1 73 L 3 25 H X 3 25 W X 2 56 L 3 90 H X 3 90 W X 2 57 L Size ...

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