TECHNICAL MANUAL FOR DVC-4000D CAMERAS
Contents
1. Auxiliary connector The auxiliary connector on the DVC 4000D camera allows the user access certain camera control and internal status signals The following section describes each signal Illustration of the auxiliary connector on the rear of the DVC 4000D camera Auxiliary Connector Pin Signal list Pin Signal ENL Output DIFF_RESET_OUT Output TTL_RESET Input GND ENF Output STROBE INT PULSE Output DOP WN E 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 that is the buffered version of the Camera Link CC1 signal The CC1 signal driven from the host is one of the software controlled 23 trigger signals for the camera as described in Appendix A The CC1 signal is brought out of the camera as DIFF_RESET_OUT to allow users to trigger other devices DIFF_RESET_OUT is labeled INPUT_1 on older DVC cameras and on the Mini DIN to BNC cable accessory sold by DVC Pin 3 TTL_RESET TTL_RESET is a TTL input used to trigger exposures It functions identically to the Camera Link CC1 signal TTL_RESET is also labeled VRST_INT on older DVC cameras and on the Mini DIN to BNC cable accessory2. interline CCD overlapped exposure readout cycle Electronic shuttering allows the exposure to be adjusted via software control without altering the frame rate of the readout Any further triggers while the 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 trigger ignored until camera operation halted software command or external trigger TTL_RESET exposure exposure exposure exposue lt Lie T readout Tireadout gt strobe output ENF output image data output Pixel clock runs continuously Continuous overlapped exposure mode with electronic shutter Strobe pulse occurs only if enabled 18 Continuous overlapped extended exposure mode This mode is similar to the overlapped electronic shuttered exposure mode except that the electronic shutter is not enabled and the exposure times are greater than one readout cycle frame time As a result readout frame rate will decrease as exposure time is increased but the overlapping exposure and readout provide the maximum frame rate for a given exposure time This mode also offers much longer integration times than overlapped electronic shuttered exposure mode Any further triggers while the camera is operating continuously are ignored The camera will remain in this continuous operation until d
3. 5 2 OPERATIONAL MODES 000 ede Ea ee yartd AAA T 5 2 1 Continuous overlapped exposure mode with electronic shuttering 7 5 2 2 Continuous overlapped extended exposure mode s s s 8 5 2 3 Edge triggered exposure single frame capture mode ooonncnnnnnncnnncnnncnnncnnnanonnnnn nos amp 5 2 4 Bulb pulse width exposure mode ccccccccessccceseeesseeeenseceseeceeeeceacecesaeeteaeeceeaeeeeneeenes 9 IA BINNING 6 e 9 3 4 REGION OF INTEREST eeii la AI EAS ENR I EAA Era EaR EA AEAEE 10 6 CCD PHENOMENA cintia 10 GAs BLOOMING A A R AA 10 6 SMEAR iia ios nda a E ARS 10 7 MAINTENANCE sao 11 IMPORTANT WARRANTY INFORMATION u ccssssssssssscscescccssescsssssssescesessssescsssssnessesees 11 7 1 CLEANING GUIDELINEG c cccsssssccesssssecesesseecesssseecesssseeeesssseeecssesseecsessseeesseseseeseeueeeeeaes 11 7 1 1 Cleaning the lens or optical assembly oooonnnnccnonicononccnonnnnnnncnnnncnnnncnnnnncnnr nc nnnccrnnn co 11 7 1 2 Standard non cooled camera precautions oooonncccnnnccnnoninnnnnnnnnnnn nana nnnn cc nnnca narran 11 7 1 3 TE Cooled camera preCQuti0WS ooooononnnnnnnnnnnnnnnanonanonnnonnn conc c nan nan non rnn aran nc nn a cena crnnno 11 7 1 4 Cleaning the infra red filter Standard and TE Cooled Cameras o oo 12 7 1 5 Infra red filter removal and installation 13 7 1 6 How to remove the IR filter cccesccesccssccsesecsseceseceseceseecssecsseceseceseceseeeseesseeesaeesaeeeaees 13 7 1 7 Cleanin
4. be cleaned by authorized DVC personnel If contamination of the CCD faceplate is suspected DVC strongly recommends returning the camera to the factory for professional cleaning Scratches chemical contamination or other damage due to improper cleaning may void the camera warranty 15 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 proven by DVC examination to have been defective within two years from the date of shipment to the original purchaser Any warranty repairs will be performed at the factory or as otherwise authorized by DVC in writing Transportation charges to DVC shall be pre paid by purchaser This warranty does not extend to DVC manufactured equipment subjected to misuse accident neglect or improper application Nor does the warranty extend to DVC manufactured equipment that is repaired or altered by anyone other than DVC or those authorized by DVC in writing Products manufactured by other companies but re sold by DVC such as lenses optical and electro optical assemblies power supplies cables image processor boards and software are warranted by the original manufacturer This warranty is in lieu of all other warranties expressed or implied DVC shall not be liable for any collateral or consequential damages A Return Material Authorization RMA Number must be obtained from DVC prior
5. ring using the supplied DVC lock ring wrench Orient the camera so that the lens mount is pointing downward and carefully unscrew the lens mounting ring and integral filter Place the camera face down on a clean dry surface to prevent particles from accumulating on the CCD faceplate Once the filter is removed Use a CLEAN DRY preferably brand new camel hair lens cleaning brush such as those used by photographers to gently wipe the particles off of the filter Re examine the filter after removing the dust If a smudge is still visible proceed by dipping a clean lint free cotton swab in ethyl or isopropyl alcohol The swab should be saturated but not dripping Carefully draw the swab once across the surface then rotate the swab 180 degrees to expose the fresh surface and draw it across the filter surface again Be careful not to pool alcohol on the glass surface Re examine once again and repeat the process once if necessary 12 If contamination continues to be a problem please call DVC Customer Service for assistance Caution ethyl and isopropyl alcohols are highly flammable 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 7 1 5 Infra red filter removal and installation If greater near infra red sensitivity is desired the infra red filter can be re
6. sold by DVC Pin 4 GND This is the electrical ground for the camera Pin 5 ENF ENF refers to Enable Frame and is a TTL output that is high during active readout lines EN_FRAME remains high throughout the active readout and returns 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 can also be configured as a programmable output that can be set high or low from the host computer Refer to the DVC API documentation for details Power supply connector pin assignments The power supply connector is a standard DB 9 male connector with the following pin assignments Pin No Signal Name Signal Name Pin No 6 GND 5 VDC 250mA 1 7 Reserved 5 VDC 1250mA 2 8 GND 15 VDC 250mA 3 9 Reserved Reserved 4 15 VDC 250mA 5 24
7. TECHNICAL MANUAL FOR DVC 4000D CAMERAS Manual Number 86 4000 22 Release Date June 23 2009 1 INTRODUCTION A E E O 4 2 RECEIVING AND UNPACKING eseessseesessesesoesoroesoseesoesesossosoesosoesocoesosoesoesesossesossosoesosssos 5 3 EQUIPMENT SUPPLIED 3 i isisi ccsissiesstnsntsdesoditeseintddeavacestnicdpentatescdesssuietddetvisesiuistpendedvanseae 5 3 1 IMPORTANT SAFETY INFORMATION REGARDING THE POWER SUPPLY cccssseceeseeseeeees 5 3 25 OPTIONAL ITEMS iene nants cance tastes renee Westin td inane tenant Aden 5 4 INSTALLATION Sia A id 5 4 1 HOST COMPUTER REQUIREMENTS cccccscscsssssscsssssssscscssscsscsvsesesscsssesccsssvscsssscscsssssssavseseess 5 BDL EQDEL GUNG Syst m da a abs eiii A las Oeste Sia oh nee AON A SEN Ge EE ieee s 4 1 2 Hardware Camera Link and Gigabit Ethernet configurations osese 5 4 2 INSTALLING THE GIGABIT ETHERNET OR CAMERA LINK HOST INTERFACE BOARD 6 4 3 INSTALLING THE SOFTWARE oniiir orice aini Ne AEEA EEEE ENTERTA EEA EEES EA AAA 6 4 4 INSTALLING THE CAMERA HARDWARE ccsscccsssssccessesseeeseeseeeeeseseeeeeseseeeceseeeeeesenaeeeeeeaaees 6 5 CAMERA FUNCTIONS a rin dot 6 5 1 OPERATING SPEED AND SINGLE DUAL PORT OPTION ccccoooccncnooonnnnononnnnnnnnnnnncnnnnonncnnnnnnnnnno 7 SAA 20MH opera oh rae a E A ee EE eS 7 31 2 Y4OMHZoperatl onera y A es Reo adas 7 5 1 3 Single port and dual port options sssssssseseeseeeeereeresreeresrerereressresersresresresresreseesses 7
8. adout Increments of 33 microseconds ranging from 33 microseconds to 33 minutes 5 2 4 Bulb pulse width exposure mode The term bulb mode is borrowed from photography denoting a camera setting in which the shutter stays open as long as the shutter button is depressed Bulb mode in the DVC 4000D 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 Camera Link CC1 control line Upon the rising edge of the trigger signal readout of the exposure is initiated Maximum exposure time is indefinite although dark current will set the practical exposure time limit depending on the operating temperature and the tolerance of the application to dark current pattern noise Exposure range 20MHz or 40MHz Readout 5 microseconds minimum Maximum limited by dark current and particular application 5 3 Binning Binning is the process of summing adjacent lines and or pixels in order to increase dynamic range sensitivity or both Binning can either be accomplished on the CCD itself by summing the collected charge on chip binning or in software after A D conversion On chip binning can result in slightly lower noise relative to software binning under certain circumstances Because fewer lines are actually read out when binning vertically on chip binning in the vertical direction can produce a significant increase in frame rate with increasing binning ra
9. ard and cooled configurations with a choice of Gigabit Ethernet or Camera Link interface Additionally the DVC 4000D is bundled with the full complement of DVC software For developers DVC offers an intuitive and highly functional software developer s kit which includes a comprehensive API to streamline the integration of any DVC camera into your system After software installation the SDK can be found in the dvcco docs directory For end users the DVCView imaging application provides full control of up to 8 cameras simultaneously through an intuitive user interface and it allows the user to acquire pan zoom analyze and save imagery and metadata DVCView also provides direct to disk video streaming time lapse capture image averaging image background subtraction and flat fielding This manual is a functional overview of the camera and it is intended to be a companion to the DVCView User Manual and or the SDK 2 Receiving and Unpacking Your DVC 4000D camera was thoroughly tested and carefully packed at the factory Once the camera shipment is accepted for delivery the carrier assumes full responsibility for its safe arrival Should you receive your shipment with any damage concealed or apparent please contact the carrier at once The carrier will instruct you on how to initiate a damage claim If a visual inspection reveals damage upon receipt it must be noted on the freight bill or express receipt and the notation signed by
10. cal registers are driven faster when the region of interest is reduced Dark current can increase during operation with small regions of interest 6 CCD phenomena The Kodak KAI 04022 CCD is a high performance image sensor with very good characteristics over a wide operating range To be as versatile as possible the DVC 4000D 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 result of charge spillover in the vertical transfer regions when the signal greatly exceeds saturation The DVC 4000D provides anti blooming control which suppresses blooming under most imaging conditions If signal levels are extreme and such high signal levels cover a large percentage of the field of view blooming may occur The result is jagged vertical bright streaks running below such regions In general anti blooming performance decreases with increasing binning ratios 6 2 Smear Smear is inherent to interline CCD sensors such as the KAI 04022 It is the result of transferring image charge out of the pixels and into the adjacent vertical charge transfer registers while photons strike the CCD Though the vertical charge transfer registers are covered with a light shield unwanted signal can be introduced into them either by small amounts of li
11. cally to the first frame of the non overlapped continuous mode except that instead of continuing to run the camera returns to the armed state waiting for another trigger Exposure is controlled by software trigger ignored during exposure and readout software command or external trigger TTL_RESET exposure exposure exposure e Le A strobe AAA output ENF readout output image data output Pixel clock runs continuously Edge triggered exposure mode Strobe pulse occurs only if enabled 21 Bulb pulse width exposure mode Bulb mode allows the camera exposure to be controlled by the external trigger signal The leading edge of the trigger signal initiates the exposure and the camera will continue to expose until the trailing edge of the trigger as shown The readout sequence begins immediately after the trigger signal trailing edge and at the end of readout the camera returns to the armed state awaiting the next trigger Any trigger activity during the readout sequence is ignored trigger ignored until readout complete software command or external trigger TTL_RESET exposure exposure E T readout gt strobe A IN output output image data output Pixel clock runs continuously Bulb pulse width exposure mode Strobe pulse occurs only if enabled 22 Appendix B description of DVC 4000D auxiliary and power supply connectors
12. ce board and a graphics card with at least 128 MB of video RAM and OpenGL hardware support 4 2 Installing the Gigabit Ethernet or Camera Link host interface board Follow the instructions included with the board This host interface board contains sensitive electronic devices that can be damaged by static discharge Use appropriate static control methods when removing the board from the antistatic shipping bag and when installing it into the host computer 4 3 Installing the Software Place the DVC Software installation CD in the CD or DVD drive Launch the installer which will guide each installation 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 e Mount the camera in the desired location IMPORTANT To avoid dust accumulation on the CCD sensor do not remove the protective lens mount cap until ready to mount the camera to the optical system The cap should be replaced whenever the camera is removed from the optical system e Connect the 9 pin power supply connector to the back of the camera and secure it with the thumbscrews finger tight e Connect the camera to the host with the supplied interface cable and secure it at both ends e Connect the power supply line cord to the mains e Switch on the power suppl
13. g the CCD faceplate ccesccesccssccsssccesseeseeeseeesseceseceseceseeeseeeseesseessaesnaessaeenaees 15 WARRANTY AND AFTER SALE SERVICE ccssssssssssscscescccsscscsssssscescessssscessssssneesesees 16 COPYRIGHT INFORMATION seeseseesesoesersesesoesoscesossesoesesoesosossoscesosoesossesossesossesossosesse 17 APPENDIX A EXPOSURE TIMING DIAGRAMS sssesssssseesesoesesossesoesesoesocossossesoesesossesossesosse 18 APPENDIX B DESCRIPTION OF DVC 4000D AUXILIARY AND POWER SUPPLY CONNECTORS wiseccscssiccssssccenscnsseccanssnscossstesosacassssoaacsuscscessssasacsseseceassnsonsontsensecssensseseansenceacssassocsve 23 AUXILIARY CONNECTOR fess cedscesdedecas Vir dll ia 23 Auxiliary Connector Pin Signal list ccccccccccsscccesscceesecseseeeesceceeacecececeeneeeeaneceeaeeesaeeeeeaeeseaeeees 23 Pind ENE idos 23 PAZ DIEF RESET OUT niin t Oena aee A A A A ds 23 Pind FED RESET a ai a a E a guns nae a ea aa a a n a a gee 24 PNA GND RENEE TS A A A A A 24 Pintz ENT SA A A a TPs 24 Pin 6 STROBE and programmable Output c cccccccccscccessecesneeeeseecensecseeeceseeceeseeseaeeseeaeeeeaeees 24 POWER SUPPLY CONNECTOR PIN ASSIGNMENTS cccccccessesssscceeccceeeeessssceeececeeeeessssaeeeceeeeeeesaes 24 1 Introduction The DVC 4000D cameras are based on the Kodak KAI 04022 interline CCD which provides 2048x2048 pixel resolution and 7 4 um square pixels with high quantum efficiency and low noise The DVC 4000D is offered in both stand
14. ght leaking under the light shield or by signal electrons diffusing into the transfer region from the adjacent pixels 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 10 7 Maintenance IMPORTANT WARRANTY INFORMATION There are no user serviceable parts inside the camera Removing the rear cover of the camera without express authorization from DVC Company will void the camera warranty DVC professional cameras are manufactured in a clean environment Before shipping each camera is tested to assure that it meets stringent specifications for cleanliness and quality 7 1 Cleaning Guidelines Frequent lens changes especially without careful attention to contaminants can allow debris to accumulate on the infra red blocking filter and lens surfaces Therefore DVC Company provides the following guidelines for cleaning those components To minimize the need to clean the optical surfaces do not remove the protective lens mount cap shipped with the DVC 4000A camera until you are ready to mount the camera to the optical system 7 1 1 Cleaning the lens or optical assembly Please follow the lens manufacturer s recommendations for cleaning DVC Company i
15. isabled through software command It can then be re armed for another trigger event trigger ignored until camera operation halted software command or external trigger TTL_RESET lt t gt texp gt top gt Er gt strobe output ENF output image data output Pixel clock runs continuously Continuous overlapped extended exposure mode Strobe pulse is disabled due to continuous nature of exposure 19 Continuous non overlapped exposure mode This mode is similar to the overlapped exposure mode except that the exposure and readout periods are separate and do not overlap As a result for a given exposure time readout frame rates will be lower than that of overlapped exposure and will also decrease as exposure time is increased Any further triggers while the 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 trigger ignored until camera operation halted software SS command or external trigger TTL_RESET exposure exposure O a E Lp Tesco gt strobe IN output ENF output image data output Pixel clock runs continuously Continuous non overlapped exposure mode Strobe pulse occurs only if enabled 20 Edge triggered exposure single frame capture mode Edge triggered exposure mode operates almost identi
16. moved It is important to 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 reassembly Loosen the lens mount lock ring with the wrench supplied by DVC Unscrew the lens mount filter assembly ring from the camera body and remove the lock ring from the lens mount ring Hold the lens cap with the pins sticking upward in one hand Lower the lens filter assembly on to the pins with the other hand 13 Hold the lens cap and rotate the lens ring 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 14 Screw the lock ring back onto the lens mount ring and screw both back onto the camera Adjust focus by loosening the lock ring and rotating the lens mount ring to adjust the lens to CCD distance To re install the IR filter or other filters reverse the above procedure 7 1 7 Cleaning the CCD faceplate CAUTION The CCD faceplate is a high quality coated optical surface and should only
17. oling in the presence of moisture will cause condensation and frost on the CCD which can damage the entire cooling unit 11 7 1 4 Cleaning the infra red filter Standard and TE Cooled Cameras The infra red filter is visible when the lens is removed mounted inside the lens mounting ring This filter blocks invisible near infra red light from reaching the CCD sensor This is desirable in most applications where the camera is imaging in the visible spectrum 7 1 4 1 What must I do before cleaning the infra red filter Do not remove the filter from the camera First remove the lens and carefully examine the filter in a clean location under a strong direct light Try to determine if the contaminants are a few dust particles oily smudge such as fingerprints or both 7 1 4 2 What if the contamination is only a few dust particles Use a CLEAN DRY preferably brand new camel hair lens cleaning brush such as those used by photographers to gently wipe the particles off of the filter 7 1 4 3 What if the contamination includes a smudge The filter is a high quality coated optical component and should be treated with extreme care Scratches 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
18. osure the longer the inhibition of exposure during the readout of the previous frame Regardless of exposure time frame rate remains constant The maximum exposure time in this mode is the time required to read out one frame and that frame time depends on the pixel rate ROL and binning settings Exposure range full resolution without binning or Region of Interest 20MHz Single Tap Readout Increments of 111 5 microseconds ranging from 111 5 microseconds to 230 milliseconds 20MHz Dual Tap Readout Increments of 60 microseconds ranging from 60 microseconds to 123 milliseconds 40MHz Single Tap Readout Increments of 58 5 microseconds ranging from 58 5 microseconds to 121 milliseconds 40MHz Dual Tap Readout Increments of 33 microseconds ranging from 33 microseconds to 67 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 exposure times are desired but with the fastest frame rate possible Once initiated via trigger the camera operates continuously in this fashion until it is halted by the host computer Exposure range full resolution without binning or Region of Interest 20MHz Single Tap Readout Increments of 111 5 microseconds ranging from 230 milliseconds to 2 hours 20MHz Dual Tap Readout Incremen
19. rt all four million pixels read out through a single 12 bit channel or dual port in which the image is split down the middle in the slow scan direction and each half is read out simultaneously using two 12 bit channels The port options are available in both 20 MHz and 40 MHz and for all operational modes Dual port operation can result in slight signal mismatch between the two image halves due to differences in the signal path components This can be easily compensated in most applications Operational modes The following section describes the distinct operating modes of the DVC 4000D cameras Users of DVCView software will find many of these modes seamlessly integrated together to make operation of the camera as easy as possible However developers have full control of these modes via the DVC camera API Refer to Appendix A for exposure timing diagrams 5 2 1 Continuous overlapped exposure mode with electronic shuttering This mode operates the CCD in a video mode in which the previous exposure is being read out while the current exposure is underway Once initiated via trigger the camera operates continuously in this fashion until halted by the host computer Exposure is controlled using electronic shuttering Depending on the exposure setting electronic shuttering inhibits the CCD exposure during a specific portion of the readout interval Referring to the first figure in appendix A the shorter the desired exp
20. s not responsible for any damage caused to a lens or optical assembly caused by customer cleaning or misuse To ensure optimum image quality with any DVC camera do not remove the protective lens 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 some lens back focus adjustment complete removal of the ring will expose the CCD faceplate and will likely cause debris to accumulate on its surface Extreme care should be taken to avoid completely removing the lens mounting ring and exposing the CCD faceplate unless absolutely necessary Fingerprints or other evidence of contact with the CCD faceplate may void the warranty 7 1 3 TE Cooled camera precautions The DVC Thermoelectrically cooled cameras contain the CCD in a sealed gas filled chamber having an anti reflective glass window Do not under any circumstances loosen or remove the inner glass window from a cooled camera Doing so will void the warranty If it is suspected that the seal has been broken or if the window breaks call DVC Customer Service Do not apply power to the camera Moisture will have been introduced into the chamber and co
21. the carrier s agent Failure to do so can result in the carrier refusing to honor the claim To return your camera to DVC for service you must first contact the DVC Customer Service Department in the United States at 512 301 9564 and request a Return Material Authorization RMA Returns will not be accepted without an RMA See Section 0 for details 3 Equipment Supplied The following is a list of equipment that may be supplied with the DVC 4000D camera depending on your order configuration DVC 4000D camera Camera Link or Gigabit Ethernet host interface board Camera Link or Gigabit Ethernet cable Regulated power supply Line cord with plug for country of service DVC software CD 3 1 Important safety information regarding the power supply Dangerous voltage exists within the power supply Do not tamper with or open the supply under any circumstances Doing so may expose lethal voltage to personnel and will void the warranty 3 2 Optional items The following items may be ordered from authorized DVC dealers and are not typically supplied with the camera e Lenses or other optical elements e Third party image analysis software 4 Installation 4 1 Host computer requirements 4 1 1 Operating system Windows XP or Windows Vista 4 1 2 Hardware Camera Link and Gigabit Ethernet configurations At least a 2 GHz Pentium 4 processor or equivalent 2 GB RAM 1 GB of free hard drive space an available slot for the interfa
22. tios However because the clocking cannot be accelerated in the horizontal direction horizontal binning provides no such speed increase In all modes of operation the DVC 4000D is capable of arbitrary on chip binning 2x 3x 4x 5x 21x in the vertical direction and 2x 3x and 4x on chip binning in the horizontal direction As vertical binning increases anti blooming control decreases so the user must control image illumination more carefully while binning However blooming does not cause any damage to the camera As the binning factor increases the CCD vertical registers are driven faster This naturally causes more heating of the CCD and driving electronics Since dark current generation increases with CCD die temperature a noticeable increase in CCD dark current can occur at very high binning factors 5 4 Region of Interest Arbitrary on chip vertical Region of Interest ROD is fully supported on the DVC 4000D cameras When ROI is enabled the regions above and below the region of interest are dumped as fast as the CCD allows The region of interest itself is read out normally Dumping unwanted lines outside the ROI can significantly increase the readout rate of the camera DVCView software provides interactive graphical ROI selection and the DVC camera API provides developers with full ROI control On chip horizontal ROI is not available Simultaneous binning and ROI is fully supported As in binning the CCD verti
23. to returning any item for warranty repair or replacement 16 8 Copyright Information Copyright 2008 DVC Company All rights reserved Copyright on this document is owned by DVC Company 10200 Highway 290 West Austin Texas 78736 The information contained in this document is proprietary to DVC Company Information in this document may be used for non commercial personal and educational information purposes only and may be viewed copied printed and distributed only in accordance with these terms and conditions of use This information may not be copied nor duplicated in any form in whole or in part for use for profit or another business All printouts copies or reproductions of all or any part of the information contained in this document must include all patent copyright and or trademark notices originally included with the information User obtains no rights in the information or in any product process technology or trademark which it includes or describes and is expressly prohibited from modifying the information or creating derivative works without the express written consent of DVC Company DVC models represented in photographs may differ slightly from products 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 howe
24. trolled through camera trigger command via the Camera Link 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 and single dual port option The DVC 4000D is capable of operating at pixel rates of 20MHz and 40MHz and with single or dual port options as described above All camera functions e g exposure mode binning ROI etc are operational at either speed subject to the limitations below 5 1 1 20 MHz operation 20MHz operation gives the user the maximum dynamic range minimum noise floor and lowest power operation Dynamic range refers to the maximum signal swing under which the camera meets performance specifications and it is expressed in the maximum number of captured electrons on the CCD At 20MHz the DVC 4000D is capable of approximately 35 000 electrons dynamic range 5 1 2 40 MHz operation 40MHz operating speed provides the user with the highest capture frame rates at the expense of slightly higher noise and power dissipation Because of amplifier limitations on the KAI 04022 CCD the DVC 4000D is capable of approximately 20 000 electrons dynamic range at 40 MHz 5 1 3 Single port and dual port options 5 2 The DVC 4000D is capable of readout via a single po
25. ts of 60 microseconds ranging from 123 milliseconds to 1 hour 40MHz Single Tap Readout Increments of 58 5 microseconds ranging from 121 milliseconds to 1 hour 40MHz Dual Tap Readout Increments of 33 microseconds ranging from 67 milliseconds to 35 minutes 5 2 3 Edge triggered exposure single frame capture mode Edge triggered exposure mode enables the camera to initiate an exposure immediately upon the leading falling edge of the external or Camera Link control lines with an exposure time set by software Alternatively the exposure can be initiated by the host via the DVC API The exposure and readout sequence is the same as the non overlapped continuous mode and has the same exposure range except only one frame is generated Once the readout of that frame has finished the camera returns to the armed state awaiting the next trigger edge If subsequent trigger pulses occur faster than the combined exposure and readout time any trigger received during the exposure or readout time will be ignored as illustrated in appendix A Exposure range full resolution without binning or Region of Interest 20MHz Single Tap Readout Increments of 111 5 microseconds ranging from 111 5 microseconds to 2 hours 20MHz Dual Tap Readout Increments of 60 microseconds ranging from 60 microseconds to 1 hour 40MHz Single Tap Readout Increments of 58 5 microseconds ranging from 58 5 microseconds to 1 hour 40MHz Dual Tap Re
26. ver no responsibility is assumed by DVC for its use DVC reserves the right to change modify or correct the information contained in this document at any time without notice While DVC has used all reasonable efforts to indicate and to supply information regarding trademarks used in this publication the absence of a trademark identifier is not a representation that a particular mark is not a trademark All non DVC products brand names company names are trademarks or registered trademarks of their respective owners and appear in this document for reference only Disclaimer The information in this document is provided as is DVC expressly disclaims all representations and warranties of any kind regarding the contents or use of the information including but not limited to express and implied warranties of accuracy completeness merchantability fitness for a particular use or non infringement In no event will DVC be liable for any direct indirect special incidental or consequential damages including lost profits lost business or lost data resulting from the use or reliance upon the information whether or not DVC has been advised of the possibility of such damages 17 Appendix A Exposure Timing Diagrams Continuous overlapped exposure mode with electronic shutter In the continuous overlapped exposure mode the camera remains in an idle state until the falling edge of the trigger A first exposure is made followed by the typical
27. y 5 Camera Functions The DVC 4000D is a versatile high performance digital camera with functions tailored to scientific and industrial markets It is capable of both high speed readout 40 MHz pixel rate and low noise readout 20 MHz pixel rate both at 12 bits Readout can be configured for single channel or dual channel operation In the dual channel mode the KAI 04022 is split into two halves which are read simultaneously This approximately doubles the frame rate of single channel readout at a given frequency The DVC 4000D has five basic operating modes described in detail below Each mode can be operated at either 20 or 40 MHz and can support binning and region of interest All operational modes are initiated by a trigger signal In the case of continuous modes the trigger initiates the stream and the camera continues to run in streaming mode until explicitly disabled The edge triggered single frame mode produces one exposure in response to the leading default falling edge of the trigger signal Finally in bulb mode the camera exposes for the duration of the trigger pulse beginning on the leading default falling edge and ending on the trailing edge Readout occurs immediately after the trailing edge The trigger signal can have three different sources the external TTL trigger via the auxiliary connector see appendix B the software controlled trigger via a hard wired Camera Link camera control line or the software con
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