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User Manual DS1

1. and strobe output Update of CE conformity statement Added description of PoCL interface Included new QE data of A1024B CMOS image sensor 91
2. A 7 and Table A 7 PIN 10 Name Description PWR VBUS 5V power supply 1 0 DATA Negative Data 1 0 DATA Positive Data PWR GND Ground P wInN Table A 7 Pinout USB 2 0 connector not connected to camera electronic A 6 USB 2 0 Connector 87 A Pinouts 88 Troubleshooting B 1 Common pitfalls with microDisplay USB and PFRemote Message mEnable not found appears after microDisplay USB was started e The camera is not powered on or is not connected to the USB interface e The USB driver is not installed correctly Try reinstalling PFInstaller When the camera is connected to the USB bus and powered on check if there is a Multifunction adapter with the entry Silicon Software GmbH microUSB2 in the Windows device manager e Reinstall the driver manually It is located in Photonfocus microDisplayUSB driver PFRemote cannot communicate e microDisplay USB must always be started before PFRemote because it downloads the USB firmware to the camera No image is output e Check if the camera is outputting images check if the lower LED is green see Section Maybe the camera is in external trigger mode and does not receive a trigger signal e The camera USB interface or power supply has been disconnected since the last start of microDisplay USB Restart microDisplay USB e Due to the minimum data frame size that can be transferred by USB the minimum ROI must be at least 10
3. Photonfocus reserves the right to make changes to its products and documenta amp tion without notice Photonfocus products are neither intended nor certified for use in life support systems or in other critical systems The use of Photonfocus products in such applications is prohibited Photonfocus is a trademark and LinLog is a registered trademark of Photonfo CS cus AG CameraLink is a registered mark of the Automated Imaging Association Product and company names mentioned herein are trademarks or trade names of their respective companies 1 Preface gt Reproduction of this manual in whole or in part by any means is prohibited without prior permission having been obtained from Photonfocus AG Le Photonfocus can not be held responsible for any technical or typographical er rors 1 5 Legend In this documentation the reader s attention is drawn to the following icons CS Important note lt gt Alerts and additional information A Attention critical warning DI Notification user guide 2 How to get started CameraLink 1 Install a suitable frame grabber in your PC To find a compliant frame grabber please see the frame grabber compatibility list at www photonfocus com 2 Install the frame grabber software Without installed frame grabber software the camera configuration tool PFRe Q mote will not be able to communicate with the camera Please follow the in structions of the frame grabber
4. 15V DC 7 PWR GROUND Signal ground for opto isolated trigger signal Table A 2 Power supply plug pin assignment A 2 CameraLink Connector for CameraLink Camera Models The pinout for the CameraLink 26 pin 0 05 Mini D Ribbon MDR connector is according to the CameraLink standard CL and is listed here for reference only see Table A 3 The drawing of the Cameralink cable plug is shown in Fig CameraLink cables can be purchased from Photonfocus directly www photonfocus com 1 2 3 4 amp 6 6 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Figure A 3 CameraLink cable 3M MDR 26 plug both ends 82 PIN IO Name Description 1 PW INNER SHIELD Inner Shield 2 O N_XDO Negative LVDS Output CameraLink Data DO 3 O N_XD1 Negative LVDS Output CameraLink Data D1 4 O N_XD2 Negative LVDS Output CameraLink Data D2 5 O N_XCLK Negative LVDS Output CameraLink Clock 6 O N_XD3 Negative LVDS Output CameraLink Data D3 7 P_SERTOCAM Positive LVDS Input Serial Communication to the camera 8 O N_SERTOFG Negative LVDS Output Serial Communication from the camera 9 N_CC1 Negative LVDS Input Camera Control 1 CC1 10 N_CC2 Positive LVDS Input Camera Control 2 CC2 11 N_CC3 Negative LVDS Input Camera Control 3 CC3 12 P_CC4 Positive LVDS Input Camera Control 4 CC4 13 PW INNER SHIELD Inner Shield 14 PW INNER SHIELD Inner Shi
5. 2 j 0 9 1 1 q P S S grey reference offset correction gain correction picture matrix matrix Figure 5 14 Schematic presentation of the gain correction algorithm Gain correction always needs an offset correction matrix Thus the offset correc tion always has to be performed before the gain correction 5 3 Image Correction 31 5 Functionality How to Obtain a Grey Reference Image In order to improve the image quality the grey reference image must meet certain demands e The grey reference image must be obtained at uniform illumination Use a high quality light source that delivers uniform illumination Standard illu mination will not be appropriate e When looking at the histogram of the grey reference image ideally there are no grey levels at full scale 1023 DN 10 bit All pixels that are saturated white will not be properly corrected see Fig e Camera settings may influence the grey level Therefore the camera settings of the grey reference image must be identical with the camera settings of the image to be corrected Histogram of the uncorrected grey reference image 1 T T T T T T T grey reference image ok 0 84 grey reference image too bright 0 6 F 0 47 0 27 Relative number of pixels _ 0 L L 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 Grey level 12 Bit DN Figure 5 15 Proper grey reference image for gain correction 5 3 4 Corre
6. 8 BO B4 9 MSB of 10 Bit B1 B5 Table 4 7 CameraLink port and bit assignments for the DS1 D1024 80 and for the DS1 D1024 160 cameras 4 4 Frame Grabber relevant Configuration 21 4 Product Specification 22 gt Functionality This chapter serves as an overview of the camera configuration modes and explains camera features The goal is to describe what can be done with the camera The setup of the DS1 D1024 cameras is explained in later chapters 5 1 Image Acquisition 5 1 1 Free running and Trigger Mode The DS1 D1024 Cameralink series provides two different readout modes Sequential readout Frame time is the sum of exposure time and readout time Exposure time of the next image can only start if the readout time of the current image is finished Simultaneous readout interleave The frame time is determined by the maximum of the exposure time or of the readout time which ever of both is the longer one Exposure time of the next image can start during the readout time of the current image DS1 D1024 40 DS1 D1024 80 DS1 D1024 160 Sequential readout available available available Simultaneous readout available available Table 5 1 Readout mode of DS1 D1024 camera series The following figure illustrates the effect on the frame rate when using either the sequential readout mode or the simultaneous readout mode interleave exposure fps 1 readout time Frame rate
7. camera is ready for data transfer The blinking frequency of the red LED indicates the current transfer mode In the slow mode 24 MByte s the blinking interval is 1 Hz in the fast mode 48 Mbyte s it is 4 Hz LED 2 Green Green when an image is output At slow frame rates the LED blinks with the FVAL signal At high frame rates the LED changes to an apparently continuous green light with intensity proportional to the ratio of readout time over frame time LED 2 Red Red indicates active serial communication with the camera Table 6 4 Description of the status indicator LEDs of the USB 2 0 cameras Data signals CameraLink data signals contain the image data In addition handshaking signals such as FVAL LVAL and DVAL are transmitted over the same physical channel Camera control information Camera control signals CC signals can be defined by the camera manufacturer to provide certain signals to the camera There are 4 CC signals available and all are unidirectional with data flowing from the frame grabber to the camera For example the external trigger is provided by a CC signal see Table 6 5 for the CC assignment CC1 EXSYNC External Trigger May be generated either by the frame grabber itself software trigger or by an external event hardware trigger CC2 CTRL Control0 This signal is reserved for future purposes and is not used CC3 CTRL1 Control1 This signal is reserved for future purposes
8. min Assay Merck 12 6024 UN1230 slightly flammable and poisonous www alfa chemcat com 2 Propanol Fluid Johnson Matthey GmbH Semiconductor Grade 99 5 min Assay Merck 12 5227 UN1219 slightly flammable www alfa chemcat com For cleaning the sensor Photonfocus recommends the products available from the suppliers as listed in Table 9 4 D 9 2 Optical Interface Cleaning tools except chemicals can be purchased from Photonfocus www photonfocus com 75 9 Mechanical and Optical Considerations 9 3 Compliance CE Compliance Statement We Photonfocus AG CH 8853 Lachen Switzerland declare under our sole responsibility that the following products MV D1024 28 CL 10 MV D1024 80 CL 8 MV D1024 160 CL 8 MV D752 28 CL 10 MV D752 80 CL 8 MV D752 160 CL 8 MV D640 33 CL 10 MV D640 66 CL 10 MV D640 48 U2 8 MV D640C 33 CL 10 MV D640C 66 CL 10 MV D640C 48 U2 8 MV D1024E 40 MV D752E 40 MV D750E 20 CameraLink and USB2 0 Models MV D1024E 80 MV D1024E 160 MV D1024E 3D01 160 MV2 D1280 640 CL 8 SM2 D1024 80 VisionCam PS DS1 D1024 40 CL DS1 D1024 40 U2 DS1 D1024 80 CL DS1 D1024 160 CL DS1 D1312 160 CL MV1 D1312 160 CL Digipeater CLB26 are in compliance with the below mentioned standards according to the provisions of European Standards Directives EN 61 000 6 3 2001 EN 61 000 6 2 2001 EN 61 000 4 6 1996 EN 61 000 4 4 1996 EN 61 000 4 3 1996 EN 61 000 4 2 19
9. 48 Mbyte s isochronous mode a PC Mainboard with Intel chipsets is required and the Southbridge must support ICH4 ICH5 or higher The camera must be connected to a USB port that is provided by the Southbridge of the PC and not by an additional USB 2 0 host adapter More information about the Southbridge is available in the motherboard manual of your PC A list of Intel chipsets is available at www intel com products chipsets index htm Intel provides a chipset identification utility the tool chiputil exe to determine the chipset being used on a PC It can be downloaded from ftp laiedownload intel com df support 7355 eng chiputil exe Alternative link http downloadfinder intel com scripts df support_intel asp search for chiputil er 5 7 Configuration Interface USB 2 0 37 5 Functionality The camera is optimised for high data transfer and other USB devices may stop functioning or perform poorly O Additional USB 2 0 host adapters may only transfer up to 24 Mbyte s because they are not directly connected to the Southbridge and therefore do not support the isochronous mode The data transfer mode of the camera 48 MByte s or 24 MByte s is indicated by the upper LED on the back of the camera see Section 6 1 9 or in the Info tab of PFRemote Only 1 USB camera can be connected per PC due to the point to point connection style of the USB 2 0 implementation 38 Hardware Interface 6 1 Connectors 6 1
10. Configure the exposure time in milliseconds Region of Interest The region of interest ROI is defined as a rectangle X Y W H where X X coordinate starting from 0 in the upper left corner Y Y coordinate starting from 0 in the upper left corner W Window width in steps of 4 pixel H Window height Set to max ROI Set Window to maximal ROI X 0 Y 0 W 1024 H 1024 CS Window width is only available in steps of 4 pixel Simultaneous readout Interleave The simultaneous readout mode allows higher frame rate Simultaneous readout Interleave Enable the simultaneous readout mode 66 8 2 2 Trigger This tab contains trigger and data output settings DS1 D1024 160 cl0 4 Serial 2266 xj Exposure Window Trigger Data Output Correction Info Reset r Trigger r Sour Store as defaults C Interface Trigger C 1 0 Trigger Settings file S er AA Factory Reset ic 0 500000 Strobe Pulse Width ms Average Value 1023 r Output Mode Output Mode Normal Pa EEA Resolution 8 Bit L Figure 8 8 DS1 D1024 160 trigger and data output panel Trigger Trigger Source options are Free running The camera continuously delivers images with a certain configurable frame rate Interface Trigger The Trigger signal is applied to the camera by the CameraLink frame grabber or the USB interface respectively 1 O Trigger The trigger signal is applied directly to the camera on the
11. DS1 D1024 160 Exposure Time Increment 25 ns 25 ns Frame Rate Tin 10 us 37 fps 149 fps Pixel Clock Frequency 40 MHz 80 MHz Pixel Clock Cycle 25 ns 25 ns Camera Taps 1 2 Readout mode sequential exposure sequential exposure sequential exposure and readout and readout or and readout or simult readout simult readout Table 4 3 Model specific parameters 18 DS1 D1024 40 DS1 D1024 80 DS1 D1024 160 Operating temperature 0 C 60 C 0 C 60 C 0 C 60 C Camera power supply 12 VDC 10 12 V DC 10 12 V DC 10 Trigger signal input range 5 15 V DC 5 15 V DC 5 15 V DC Max power consumption CL 1 6 W 3 0 W 3 2 W Max power consumption USB2 0 3 0 W Lens mount Dimensions CameraLink C or CS Mount 55 x55 x 32 mm C or CS Mount 55 x 55 x 40 mm C or CS Mount 55 x 55 x 40 mm Dimensions USB2 0 55 x 55 x 42 1 mm Table 4 4 Physical characteristics and operating ranges Mass CameraLink 200 g 210g 210g Mass USB2 0 210g Conformity CE ROHS WEEE CE RoHS WEEE CE ROHS WEEE Fig 4 1 shows the spectral response of the photodiode of the camera The quantum efficiency is displayed as a function of wavelength For more information on photometric and radiometric measurements see the Photonfocus application notes AN006 and ANO008 Quantum Efficiency vs Wavelength Quantum
12. Mechanical dimensions of the CameraLink model displayed without and with C Mount adapter Fig 9 1 shows the mechanical drawing of the camera housing for the CameraLink cameras The housing depths of the CameraLink cameras are summarized in Table 9 1 all values in mm Po DS1 D1024 40 CL DS1 D1024 80 CL DS1 D1024 160 CL X housing depth 32 mm 40 mm 40 mm Table 9 1 Model specific parameters 71 9 Mechanical and Optical Considerations 9 1 2 Cameras with PoCL Interface The general mechanical data of the cameras are listed in Section 4 Table 4 4 Fig 9 2 shows the mechanical drawing of the PoCL camera models Table 9 2 summarizes model specific parameters X snore TOUS Figure 9 2 Drawing of the PoCL camera model rear view All values are in mm DS1 D1024 40 DS1 D1024 80 DS1 D1024 160 Table 9 2 Model specific parameters 72 9 1 3 Cameras with USB 2 0 Interface M m AUC Srm dep 8xM5 Am dep LS EN O N8xM5 Tn cep Figure 9 3 Mechanical dimensions of the USB 2 0 model displayed without and with C Mount adapter Fig 9 3 shows the mechanical drawing of the camera body for the USB 2 0 camera The housing depth of the USB 2 0 camera is indicated in Table 9 3 in mm housing depth DS1
13. a main window Fig and a configuration dialog In the main window the camera port can be opened or closed and log messages are displayed at the bottom The configuration dialog appears as a sub window as soon as a camera port was opened successfully In the sub window of PFRemote the user can configure the camera properties The following sections describe the general structure of PFRemote 7 4 1 Port Browser On start PFRemote displays a list of available communication ports in the main window olx File Help BitFlow Inc Y Coreco Imaging Y National Instruments m 9 9 9 Y clser dll at PFRemote directory Y USB E RS 232 Figure 7 3 PFRemote main window with PortBrowser and log messages To open a camera on a specific port double click on the port name e g USB Alternatively right click on the port name and choose Open amp Configure The port is then queried for a compatible Photonfocus camera In the PFRemote main window there are two menus with the following entries available File Menu Clear Log Clears the log file buffer Quit Exit the program Help Menu About Copyright notice and version information Help F1 Invoke the online help PFRemote documentation 56 7 4 2 Ports Device initialization After starting PFRemote the main window as shown in Fig 7 3 will appear In the PortBrowser in the upper left corner you will see a list of supported ports LS Depending on the
14. and is not used CC4 CTRL2 Control2 This signal is reserved for future purposes and is not used Table 6 5 Summary of the Camera Control CC signals as used by Photonfocus Pixel clock The pixel clock is generated on the camera and is provided to the frame grabber for synchronisation Serial communication A CameraLink camera can be controlled by the user via a RS232 compatible asynchronous serial interface This interface is contained within the CameraLink interface and is physically not directly accessible Refer to Section 5 6 for more information 44 Image data FVAL LVAL DVAL Pixel Clock CameraLink CameraLink CC Signals Serial Interface Figure 6 7 1 tap CameraLink system The frame grabber needs to be configured with the proper tap and resolution settings otherwise the image will be distorted or not displayed with the correct aspect ratio Refer to Section 4 4 for a summarised table of frame grabber relevant specifications Fig 6 7 shows symbolically a 1 tap system For more information about taps refer to AN021 on the Photonfocus website www photonfocus com 6 2 CameraLink Data Interface 45 6 Hardware Interface 6 3 Read out Timing 6 3 1 Free running Mode Sequential readout timing By default the camera is in free running mode and delivers images without any external control signals The sensor is operated in sequential readout mode which
15. of CMOS image sensors and corresponding industrial cameras for machine vision security amp surveillance and automotive markets Photonfocus is dedicated to making the latest generation of CMOS technology commercially available Active Pixel Sensor APS and global shutter technologies enable high speed and high dynamic range 120 dB applications while avoiding disadvantages like image lag blooming and smear Photonfocus has proven that the image quality of modern CMOS sensors is now appropriate for demanding applications Photonfocus product range is complemented by custom design solutions in the area of camera electronics and CMOS image sensors Photonfocus is ISO 9001 certified All products are produced with the latest techniques in order to ensure the highest degree of quality 1 2 Contact Photonfocus AG Bahnhofplatz 10 CH 8853 Lachen SZ Switzerland Phone 41 55 451 07 45 Email sales photonfocus com Support Phone 41 55 451 01 37 Email support photonfocus com Table 1 1 Photonfocus Contact 1 3 Sales Offices Photonfocus products are available through an extensive international distribution network and through our key account managers Details of the distributor nearest you and contacts to our key account managers can be found at www photonfocus com 1 4 Further information For further information on the products documentation and software updates please see our web site or contact our distributors
16. of the PoCL interface the target was to maintain the backward compatibility with the standard CameraLink interface The only changes in the PoCL interface standard a substandard of the CameraLink standard are the redefinitions for the inner shield wires see Table 6 1 Pin CameraLink Standard PoCL Standard Inner Shield Power nominal 12 V DC Inner Shield Power Return Inner Shield Inner Shield Power Return Inner Shield Inner Shield Power nominal 12 V DC Table 6 1 Redefiniton of the inner shield wires for the PoCL standard The PoCL camera models are interfaced to external components via e _aminiature CameraLink MiniCL connector which is defined by the CameraLink standard as a 26 pin 0 031 Shrunk Delta Ribbon SDR connector to transmit configuration image data trigger signals and power The approved MiniCL connectors are the SDR Shrunk Delta Ribbon connector available from 3M Company and the HDR series connector available from Honda Connectors e asubminiature connector for the trigger input and for the strobe output 7 pin Binder series 712 The connector pinout is compatible with the CameraLink camera models The connectors are located on the back of the camera Fig 6 2 shows the plugs and the status LED which indicates camera operation Figure 6 2 Rear view of the PoCL camera models The PoCL interface and connector are specified in CL For further details including the pin
17. pek INNEN TTT TT TTT TNT Frame Time SHUTTER l l q _ _ __ e 4 Exposure Time SSS T en a ezl FVAL SS CPRE Linepause Linepause Linepause CPRE LVAL A S U HH Hau u First Line Last Line DVAL Figure 6 10 Timing diagram simultaneous readout mode readout time lt exposure time 6 3 Read out Timing 47 6 Hardware Interface Frame time Exposure time PCLK Frame time is the inverse of the frame rate Period during which the pixels are integrating the incoming light Pixel clock on CameraLink interface SHUTTER FVAL Frame Valid Internal signal shown only for clarity Is high during the exposure time Is high while the data of one complete frame are transferred LVAL Line Valid Is high while the data of one line are transferred Example To transfer an image with 640x480 pixels there are 480 LVAL within one FVAL active high period One LVAL lasts 640 pixel clock cycles DVAL Data Valid Is high while data are valid DATA Transferred pixel values Example For a 100x100 pixel image there are 100 values transferred within one LVAL active high period or 100 100 values within one FVAL period Line pause Delay before the first line and after every following line when reading out the image data Table 6 6 Explanation of contro and data signals used in the timing diagram These terms will be used also in the timin
18. plug 7 pole rear view of plug solder side 84 Pin I O Type Name Description not connected not connected RESERVED Do not connect STROBE VDD 5 15 V DC STROBE Strobe control opto isolated TRIGGER External trigger opto isolated 5 15V DC PWR GROUND Signal ground for opto isolated strobe signal NP oO um Bl ws Nn Table A 5 I O plug pin assignment A 5 CameraLink Connector for PoCL Camera Models The pinout for the MiniCL 26 pin 0 031 Shrunk Delta Ribbon SDR connector is according to the CameraLink standard CL and is listed here for reference only see Table A 6 The drawing of the PoCL cable plug is shown in Fig A 6 PoCL cables can be purchased from Photonfocus directly www photonfocus com 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Figure A 6 PoCL cable 26 plug both ends A 5 CameraLink Connector for PoCL Camera Models 85 A Pinouts PIN IO Name Description 1 PW POWER LINE 12V DC 2 O N_XDO Negative LVDS Output CameraLink Data DO 3 O N_XD1 Negative LVDS Output CameraLink Data D1 4 O N_XD2 Negative LVDS Output CameraLink Data D2 5 O N_XCLK Negative LVDS Output CameraLink Clock 6 O N_XD3 Negative LVDS Output CameraLink Data D3 7 P_SERTOCAM Positive LVDS Input Serial Communication to the camera 8 O N_SERTOFG Negative LVDS Output Serial Communication fro
19. readout mode simultaneous readout mode resolution 1024x1024 pixel Se The DS1 D1024 40 does not support the simultaneous readout mode 5 4 2 Calculation of the maximum frame rate CameraLink The frame rate mainly depends on the exposure time and readout time The frame rate is the inverse of the frame time fps tframe Calculation of the frame time sequential mode Lame 2 texp tro Calculation of the frame time simultaneous mode tame gt MaX texp 76 us tro 476 us trame frame time texp exposure time tro readout time 34 ROI Dimension DS1 D1024 40 CL DS1 D1024 80 DS1 D1024 160 t 133ms t 67m 1024 x 512 tro 13 2 ms tro 6 7 ms tro 3 3 ms 1024 x 256 tro 6 6 ms tro 3 3 ms tro 1 7 ms 512x512 tro 6 6 ms tro 3 3 ms tro 1 7 ms Table 5 5 Read out time for the DS1 D1024 CameraLink Series amp A calculator for calculating the maximum frame rate is available in the support area of the Photonfocus website 5 4 3 Calculation of the maximum frame rate USB 2 0 The frame rate of the DS1 D1024 40 U2 camera mainly depends on the exposure time readout time host USB chipset and data resolution If the camera is not operated on a host with Intel supported chipset or is not used in 8 bit mode the read out time must be multiplied by 2 or 4 respectively The frame rate is the inverse of the frame time 1 tframe fps Calculation of the frame
20. start X value of a region of interest When changing a property the property name can always be seen in the log window of the main program window 58 Graphical User Interface GUI 8 1 DS1 D1024 40 This section describes the parameters of the following cameras DS1 D1024 40 CL CameraLink interface DS1 D1024 40 PC Power over CameraLink interface DS1 D1024 40 U2 USB 2 0 interface The following sections are grouped according to the tabs in the configuration dialog Average Value Update Figure 8 1 DS1 D1024 40 average value Average Value Grey scale average of the actual image This value is in 10 bit 0 1023 Update To update the value of the average click on this button 59 8 Graphical User Interface GUI 8 1 1 This tab contains exposure time and ROI settings Figure 8 2 DS1 D1024 40 exposure and window panel Exposure Exposure Window DS1 D1024 40 clO 4 Serial 6782 Exposure Window Trigger Data Output Correction Info Exposure Exposure time ms I r Region of interest xp w froze 4 J y jo ay H 1024 Set to max ROI Reset Store as defaults r Settings file u Factory Reset r Average Value a j Exposure time ms Configure the exposure time in milliseconds Region of Interest The region of interest ROI is defined as a rectangle X Y W H where X X coordinate starting from 0 in the upper lef
21. supplier 3 Remove the camera from its packaging Please make sure the following items are included with your camera Power supply connector 7 pole power plug e Camera body cap If any items are missing or damaged please contact your dealership 4 Remove the camera body cap from the camera and mount a suitable lens should always be held with the opening facing downwards to prevent dust or When removing the camera body cap or when changing the lens the camera debris falling onto the CMOS sensor Figure 2 1 Camera with protective cap and lens Do not touch the sensor surface Protect the image sensor from particles and dirt 2 How to get started CameraLink The sensor has no cover glass therefore dust on the sensor surface may resemble to clusters or extended regions of dead pixel ce To choose a lens see the Lens Finder in the Support area at www photonfocus com 5 Connect the camera to the frame grabber with a suitable CameraLink cable see Fig 2 2 CameraLink cables can be purchased from Photonfocus directly www photonfocus com Please note that Photonfocus provides appropriate solutions for your advanced vision applications 77 AGG SG Figure 2 2 Camera with frame grabber power supply and cable Do not connect or disconnect the CameraLink cable while camera power is on For more information about CameraLink see Section 5 6 6 Connect a suitable power supply to the
22. that exceeds a certain threshold in the black reference image is marked as a hot pixel If the hot pixel correction is switched on the camera replaces the value of a hot pixel by an average of its neighbour pixels see Fig 5 13 30 Y Y hot p Prat Prot pixel 2 Pn 1 Pr D Figure 5 13 Hot pixel interpolation 5 3 3 Gain Correction The gain correction is based on a grey reference image which is taken at uniform illumination to give an image with a mid grey level Gain correction is not a trivial feature The quality of the grey reference image is crucial for proper gain correction Gain correction algorithm After configuring the camera with a black and grey reference image the camera is ready to apply the gain correction Determine the average value of the grey reference image Subtract the offset correction matrix from the grey reference image Divide the average value by the offset corrected grey reference image Pixels that have a grey level higher than a certain threshold are marked as hot pixels Store the result in the camera as the gain correction matrix During image acquisition multiply the gain correction matrix from the offset corrected acquired image and interpolate the hot pixels see Section 5 3 2 Bn M E M NM A E Ban 1 SL 1 lu average AA 7 112 0 0 109 1 110 a K 21 l l 2l 2losl reference ka picture 110
23. 1 CameraLink Connector for CameraLink Camera Models The CameraLink cameras are interfaced to external components via e aCameraLink connector which is defined by the CameraLink standard as a 26 pin 0 05 Mini Delta Ribbon MDR connector to transmit configuration image data and trigger e _ asubminiature connector for the power supply 7 pin Binder series 712 The connectors are located on the back of the camera Fig 6 1 shows the plugs and the status LED which indicates camera operation Power Supply Connector CameraLink Connector Status LED T Figure 6 1 Rear view of the CameraLink camera The CameraLink interface and connector are specified in CL For further details including the pinout please refer to Appendix A This connector is used to transmit configuration image data and trigger signals 6 1 2 Power Supply for CameraLink Camera Models The camera requires a single voltage input see Table 4 4 The camera meets all performance specifications using standard switching power supplies although well regulated linear power supplies provide optimum performance It is extremely important that you apply the appropriate voltages to your camera Incorrect voltages will damage the camera OE A suitable power supply is available from Photonfocus For further details including the pinout please refer to Appendix A 39 6 Hardware Interface 6 1 3 CameraLink Connector for PoCL Camera Models With the definition
24. 24 bytes Choose an ROI of Width x Height gt 1024 pixels If there is already an earlier USB driver installed on your PC and you have problems installing the new PFInstaller please contact the Photonfocus support at support photonfocus com Message Camera clock on port A is inactive e A wrong hardware applet was downloaded to the camera when starting microDisplay USB Always choose the correct camera model at the start of microDisplay USB e The camera USB interface or power supply has been disconnected since the last start of microDisplay USB Restart microDisplay USB B 2 Camera reactivation Camera shows no images e Check on the power Is the camera properly connected to the power supply e Check on the camera settings Are any settings conflicting or contradictory e Check on the trigger connections 89 B Troubleshooting When all methods fail Reset the camera to the stored settings Press reset button in the main window of PFRemote No images are output e After reset of the camera a factory reset may become necessary Execute Factory Reset in the main window of PFRemote e This will overwrite the stored camera settings and reactivate the factory settings of your camera 90 Revision History Revision Date Changes 1 0 July 2007 First release 1 1 September 2007 Added DS1 D1024 80 CL 10 and DS1 D1024 160 CL 10 1 2 November 2008 Included freely selectable ROI extended trigger signals
25. 95 EN 55 022 1994 Photonfocus AG October 2008 Figure 9 4 CE Compliance Statement 76 10 Warranty The manufacturer alone reserves the right to recognize warranty claims 10 1 Warranty Terms The manufacturer warrants to distributor and end customer that for a period of two years from the date of the shipment from manufacturer or distributor to end customer the Warranty Period that e the product will substantially conform to the specifications set forth in the applicable documentation published by the manufacturer and accompanying said product and e the product shall be free from defects in materials and workmanship under normal use The distributor shall not make or pass on to any party any warranty or representation on behalf of the manufacturer other than or inconsistent with the above limited warranty set 10 2 Warranty Claim The above warranty does not apply to any product that has been modified or al T tered by any party other than manufacturer or for any defects caused by any use of the product in a manner for which it was not designed or by the negligence of any party other than manufacturer 77 10 Warranty 78 11 References All referenced documents can be downloaded from our website at www photonfocus com CL CameraLink Specification January 2004 SW002 PFLib Documentation Photonfocus August 2005 MANO25 User Manual microDisplayUSB2 0 Photonfocus November 2005 AN006 Application
26. D1024 40 U2 42 1 mm Table 9 3 Model specific parameters 9 1 Mechanical Interface 73 9 Mechanical and Optical Considerations 9 2 Optical Interface 9 2 1 Cleaning the Sensor The sensor is part of the optical path and should be handled like other optical components with extreme care Dust can obscure pixels producing dark patches in the images captured Dust is most visible when the illumination is collimated Dark patches caused by dust or dirt shift position as the angle of illumination changes Dust is normally not visible when the sensor is positioned at the exit port of an integrating sphere where the illumination is diffuse 1 74 The camera should only be cleaned in ESD safe areas by ESD trained personnel using wrist straps Ideally the sensor should be cleaned in a clean environment Otherwise in dusty environments the sensor will immediately become dirty again after cleaning Use a high quality low pressure air duster e g Electrolube EAD400D pure compressed inert gas www electrolube com to blow off loose particles This step alone is usually sufficient to clean the sensor of the most common contaminants Workshop air supply is not appropriate and may cause permanent damage to the sensor If further cleaning is required use a suitable lens wiper or Q Tip moistened with an appropriate cleaning fluid to wipe the sensor surface as described below Examples of suitable lens cleaning materials are given in
27. Efficiency o N uo 500 600 700 800 Wavelength nm 900 1000 1100 Figure 4 1 Spectral response of the A1024B CMOS sensor 4 3 Technical Specification 19 4 Product Specification 4 4 Frame Grabber relevant Configuration The parameters and settings which are essential to configure the frame grabber are shown in the following table The timing of the camera is given in Section DS1 D1024 40 DS1 D1024 80 DS1 D1024 160 Pixel Clock per Tap 40 MHz 40 MHz 80 MHz Number of Taps 1 2 2 Greyscale resolution 10 bit 8 bit 10 bit 8 bit 10 bit 8 bit CC EXSYNC EXSYNC EXSYNC cc2 not used not used not used cc3 not used not used not used CCA not used not used not used Table 4 5 Summary of parameters needed for frame grabber configuration The CameraLink port and bit assignments of the cameras are compliant with the CameraLink standard see CL Bit Tap 0 8 Bit Tap 0 10 Bit 0 LSB AO AO 1 Al Al 2 A2 A2 3 A3 A3 4 A4 A4 5 A5 A5 6 A6 A6 7 MSB for 8 Bit Mode A7 A7 8 BO 9 MSB for 10 Bit Mode B1 Table 4 6 CameraLink port and bit assignments for the DS1 D1024 40 camera 20 Bit Tap 0 Tap 1 TapO Tap 1 8 Bit 8Bit 10 Bit 10 Bit 0 LSB AO BO AO CO 1 Al B1 A1 C1 2 A2 B2 A2 C2 3 A3 B3 A3 C3 4 A4 B4 A4 C4 5 A5 B5 A5 C5 6 A6 B6 A6 C6 7 MSB of 8 Bit A7 B7 A7 C7
28. I 7 4 1 _ Port Browser o E 7 4 3 Main Buttons 7 5 Device properties o o e 8 Graphical User Interface GUI 8 1 DS1 D1024 40 anana 8 1 1 Exposure Window 1 2 Trigger Ce PA E NO 24 5 ee we RRA RRR RX 8 2 DS1 D1024 80 and DS1 D1024 160 8 2 1 Exposure Window o 8 2 2 MOJE occ a a a K 2 af tts GM ss AE 8 2 4 MOL CO 9 Mechanical and Optical Considerations 9 1 Mechanical Interface 9 1 1 Cameras with CameraLink Interface 9 1 2 Cameras with PoCL Interface 9 1 3 Cameras with USB 2 0 Interfacel 9 2 1 Cleaning the Sensor 10 Warranty 10 1 Warranty Terms 10 2 Warranty Claim 11 References A 1 Power Supply Connector for CameraLink Camera Models A 2 CameraLink Connector for CameraLink Camera Models A 3 lO Connector for PoCL Camera Models A 4_ O Connector A 5 CameraLink Connector for PoCL Camera Models A 6 USB 2 0 Connector B Troubleshooting B 2 Camera reactivation C Revision History CONTENTS B 1 Common pitfalls with microDisplay USB and PFRemote 79 81 81 82 84 84 85 87 89 89 89 91 CONTENTS Preface 1 1 About Photonfocus The Swiss company Photonfocus is one of the leading specialists in the development
29. Note Quantum Efficiency Photonfocus February 2004 AN007 Application Note Camera Acquisition Modes Photonfocus March 2004 AN008 Application Note Photometry versus Radiometry Photonfocus December 2004 ANO10 Application Note Camera Clock Concepts Photonfocus July 2004 AN021 Application Note CameraLink Photonfocus July 2004 ANO26 Application Note LFSR Test Images Photonfocus September 2005 79 11 References 80 A Pinouts A 1 Power Supply Connector for CameraLink Camera Models The power supply plugs are available from Binder connectors at www binder connector de Fig A 2 shows the power supply plug from the solder side The pin assignment of the power supply plug is given in Table A 2 It is extremely important that you apply the appropriate voltages to your camera Incorrect voltages will damage or destroy the camera amp A suitable power supply is available from Photonfocus Figure A 1 Power connector assembly 7 pole plastic 99 0421 00 07 7 pole metal 99 0421 10 07 Table A 1 Power supply connectors Binder subminiature series 712 81 A Pinouts Figure A 2 Power supply plug 7 pole rear view of plug solder side Pin I O Type Name Description 1 PWR VDD 12 V DC 10 2 PWR GND Ground 3 O RESERVED Do not connect 4 O RESERVED Do not connect 5 O RESERVED Do not connect 6 TRIGGER External trigger opto isolated 5
30. Reset Offset Gain Hotpixel Set Grey Ref r Average Value Black Level Offset 3450 C Calculate Correction 3 sec Save to Flash 55 sec WARNING The factory presets will be deleted Please refer to the manual for more details about the correction modes Figure 8 9 DS1 D1024 160 correction panel Correction Mode The camera has image pre processing features that compensate for non uniformities caused by the sensor the lens or the illumination Off No correction Offset Activate offset correction Offset Hotpixel Activate offset and hot pixel correction Hotpixel Activate hot pixel correction Offset Gain Activate offset and gain correction Offset Gain Hotpixel Activate offset gain and hot pixel correction Black Level Offset It may be necessary to adjust the black level offset of the camera Black Level Offset Black level offset value Use this to adjust the black level Calibration Offset FPN Hotpixel Correction The offset correction is based on a black reference image which is taken at no illumination e g lens aperture completely closed The black reference image contains the fixed pattern noise of the sensor which can be subtracted from the live images in order to minimize the static noise Close the lens of the camera Click on the Validation button If the Set Black Ref button is still inactive the average of the image is out of range Change the Proper
31. Table 9 4 Cleaning materials must be ESD safe lint free and free from particles that may scratch the sensor surface Do not use ordinary cotton buds These do not fulfil the above requirements and permanent damage to the sensor may result Wipe the sensor carefully and slowly First remove coarse particles and dirt from the sensor using Q Tips soaked in 2 propanol applying as little pressure as possible Using a method similar to that used for cleaning optical surfaces clean the sensor by starting at any corner of the sensor and working towards the opposite corner Finally repeat the procedure with methanol to remove streaks It is imperative that no pressure be applied to the surface of the sensor or to the black globe top material if present surrounding the optically active surface during the cleaning process Iso Propanol Germany Table 9 4 Recommended materials for sensor cleaning Product Supplier Remark EAD400D Airduster Electrolube UK www electrolube com Anticon Gold 9 x 9 Wiper Milliken USA ESD safe and suitable for class 100 environments www milliken com TX4025 Wiper Texwipe www texwipe com Transplex Swab Texwipe Small Q Tips SWABS Q tips Hans J Michael GmbH www hjm de BB 003 Germany Large Q Tips SWABS Q tips Hans J Michael GmbH CA 003 Germany Point Slim HUBY 340 Q tips Hans J Michael GmbH Germany Methanol Fluid Johnson Matthey GmbH Semiconductor Grade Germany 99 9
32. cl0 4 Image Counter 985682 Update 16 25 26 Device opened on port clO 4 E Update Missed Trigger Counter 10 Update T Status Line Figure 2 4 PFRemote start window 11 Check the status LED on the rear of the camera DI The status LED lights green when an image is being produced and it is red when serial communication is active For more information see Section 12 You may display images using the software that is provided by the frame grabber manufacturer 11 2 How to get started CameraLink 12 3 How to get started USB 2 0 1 Remove the camera from its packaging Please make sure the following items are included with your camera Power supply connector 7 pole power plug e Camera body cap If any items are missing or damaged please contact your dealership 2 Check if your computer fulfils the hardware and software requirements CE see Section 5 7 for more information 3 Remove the camera body cap from the camera and mount a suitable lens When removing the camera body cap or when changing the lens the camera A should always be held with the opening facing downwards to prevent dust or debris falling onto the CMOS sensor O y Figure 3 1 Camera with protective cap and lens Do not touch the sensor surface Protect the image sensor from particles and dirt gt The sensor has no cover glass therefore dust on the sensor surface may resemble to cluster
33. configuration your port names may differ and not every port may be functional OE If your frame grabber supports clallserial dll version 1 1 CameraLink compliant standard Oct 2001 the name of the manufacturer is shown in the PortBrowser If your frame grabber supports clallserial dll version 1 0 CameraLink compliant gt standard Oct 2000 the PortBrowser shows either the name of the dll or the manufacturer name or displays Unknown If your frame grabber doesn t support clallserial dll copy the clserxXXX dll of amp your frame grabber in the PFRemote directory and rename it to clser dll The PortBrowser will then indicate this DLL as clser dll at PFRemote directory After connecting the camera the device can be opened with a double click on the port name or by right clicking on the port name and choosing Open amp Configure If the initialisation of the camera was successful the configuration dialog will open The device is closed when PFRemote is closed Alternatively e g when connecting another camera or evaluation kit the device can also be closed explicitely by right clicking on the port name and choosing Close Make sure that the configuration dialog is closed prior to closing the port Q Errors warnings or other important activities are logged in a log window at the bottom of the main window If the device does not open check the following e isthe power LED of the camera active Do you get an image in the display so
34. correction is not a trivial feature The quality of the grey reference image is crucial for proper gain correction Produce a grey image with an average value between 550 and 900 DN Click on the Validation button to check the average value If the average value is in range the Set Grey Ref button is active Calculate Calculate the correction values into the camera RAM To make the correction values permanent use the Save to Flash button Save to Flash Save the current correction values to the internal flash memory A This will overwrite the factory presets 8 1 DS1 D1024 40 63 8 Graphical User Interface GUI 8 1 4 Info This panel shows camera specific information such as type code serial number and firmware revision of the FPGA and microcontroller and the description of the camera interface DS1 D1024 40 clO 4 Serial 6782 xl Exposure Window Trigger Data Output Correction Info Has Typecade pe Store as defaults Serial 6782 Settings fie FPGA Revision Rev 20 build 23 el a uC Revision ev 3 0 build 0 ama Factory Reset Interface CameraLink Base r Average Value Figure 8 5 DS1 D1024 40 info panel Typecode Type code of the connected camera Serial Serial number of the connected camera FPGA Revision Firmware revision of built in FPGA of the connected camera uC Revision Firmware revision of built in microcontroller of the connected camera Interface Description of the ca
35. cs DS1 D1024 Series Interfaces CameraLink base configuration USB2 0 only for DS1 D1024 40 Camera Control PFRemote Windows GUI or programming library Configuration Interface CLSERIAL 9 600 baud Trigger Modes Interface trigger I O Trigger Features Grey scale resolution 10 bit 8 bit Region of Interest ROI Opto coupled strobe output Test pattern LFSR and grey level ramp Shading correction offset and gain High blooming resistance Table 4 1 Feature overview see Chapter 5 for more information 17 4 Product Specification 4 3 Technical Specification Technical Parameters DS1 D1024 Series Technology CMOS active pixel Scanning system progressive scan Optical format diagonal 1 15 42 mm Resolution 1024 x 1024 pixels Pixel size 10 6 um x 10 6 um Active optical area 10 9 mm x 10 9 mm Random noise lt 0 5 DN RMS 8 bit Fixed pattern noise FPN lt 1 DN RMS 8 bit offset correction on Dark current 2 fA pixel 30 C Full well capacity 200 ke Spectral range 400 nm 900 nm Responsivity 120x10 DN J m 610 nm 8 bit Optical fill factor 35 Dynamic range 60 dB Color format monochrome Characteristic curve linear Shutter mode global shutter Grey scale resolution 10 bit 8 bit Exposure Time 10 us 0 41 s Table 4 2 General specification of the DS1 D1024 camera series DS1 D1024 40 DS1 D1024 80
36. cted Image Offset gain and hot pixel correction can be switched on seperately The following configurations are possible No correction e Offset correction only e Offset and hot pixel correction e Hot pixel correction only e Offset and gain correction e Offset gain and hot pixel correction In addition the black reference image and grey reference image that are currently stored in the camera RAM can be output Table 5 2 shows the maximum values of the correction matrices i e the error range that the offset and gain algorithm can correct 32 1 al v 1 v 12 010 0 91 110 2 1 L e 1212081 110 2 0 9 1 1 4 pba nm current image offset correction gain correction corrected image matrix matrix Figure 5 16 Schematic presentation of the corrected image using gain correction algorithm minimum maximum Offset correction 127 DN 10 bit 127 DN 10 bit Gain correction 0 42 2 67 Table 5 2 Offset and gain correction ranges 5 4 Reduction of Image Size With Photonfocus cameras there are several possibilities to focus on the interesting parts of an image thus reducing the data rate and increasing the frame rate The most commonly used feature is Region of Interest ROI 5 4 1 Region of Interest ROI Some applications do not need full image resolution e g 1024x1024 pixels By reducing the image size to a certain region of intere
37. dard switching power supplies although well regulated linear power supplies provide optimum performance 6 1 Connectors 41 6 Hardware Interface It is extremely important that you apply the appropriate voltages to your camera Incorrect voltages will damage the camera For further details including the pinout please refer to Appendix A 6 1 7 Trigger and Strobe Signals The power connector contains an external trigger input and a strobe output The input voltage to the TRIGGER pin must not exceed 15V DC to avoid damage to the internal optocoupler In order to use the strobe output the internal optocoupler must be powered with 5 15 V DC The STROBE signal is an open collector output therefore the user must connect a pull up resistor see Table 6 2 to STROBE_VDD 5 15 V DC as shown in Fig This resistor should be located directly at the signal receiver Vtrigger 5 15 V DC TRIGGER Vstrobe 5 15V DC STROBE_VDD 1k STROBE Pin 5 a siena erouno fein Figure 6 5 Circuit for the trigger input and strobe output signals The maximum sink current of the STROBE pin is 8 mA Do not connect inductive T or capacitive loads such loads may result in damage of the optocoupler If the application requires this please use voltage suppressor diodes in parallel with this components to protect the opto coupler 42 CS The recommended sink current of the TRIGGER pin is 5 mA STROBE_VDD Pull up Resistor
38. ection work on a pixel per pixel basis i e every pixel is corrected separately For the correction a black reference and a grey reference image are required Then the correction values are determined automatically in the camera Do not set any reference images when gain or LUT is enabled Read the follow ing sections very carefully Correction values of both reference images can be saved into the internal flash memory but this overwrites the factory presets Then the reference images that are delivered by factory cannot be restored anymore 5 3 2 Offset Correction FPN Hot Pixels The offset correction is based on a black reference image which is taken at no illumination e g lens aperture completely closed The black reference image contains the fixed pattern noise of the sensor which can be subtracted from the live images in order to minimise the static noise Offset correction algorithm After configuring the camera with a black reference image the camera is ready to apply the offset correction 1 Determine the average value of the black reference image Subtract the black reference image from the average value Mark pixels that have a grey level higher than 252 DN 10 bit as hot pixels Store the result in the camera as the offset correction matrix ae wo During image acquisition subtract the correction matrix from the acquired image and interpolate the hot pixels see Section s 5 3 Image Correction 29 5 Fu
39. ed in such a way that the amp cable impedance matches with the LVDS driver and receiver impedance Excess stress on the cable results in transmission errors which causes distorted images Therefore please do not stretch and bend a CameraLink cable In robots applications the stress that is applied to the CameraLink cable is especially high due to the fast movement of the robot arm For such applications special drag chain capable cables are available Please contact the Photonfocus Support for consulting expertise Appropriate CameraLink cable solutions are available from Photonfocus 28 5 3 Image Correction 5 3 1 Overview The DS1 D1024 cameras possess image pre processing features that compensate for non uniformities caused by the sensor the lens or the illumination This method of improving the image quality is generally known as Shading Correction or Flat Field Correction and consists of a combination of offset correction gain correction and pixel interpolation Since the correction is performed in hardware there is no performance limita tion of the cameras for high frame rates The offset correction subtracts a configurable positive or negative value from the live image and thus reduces the fixed pattern noise of the CMOS sensor In addition hot pixels can be removed by interpolation The gain correction can be used to flatten uneven illumination or to compensate shading effects of a lens Both offset and gain corr
40. eld 15 O P_XDO Positive LVDS Output CameraLink Data DO 16 O P_XD1 Positive LVDS Output CameraLink Data D1 17 O P_XD2 Positive LVDS Output CameraLink Data D2 18 O P_XCLK Positive LVDS Output CameraLink Clock 19 O P_XD3 Positive LVDS Output CameraLink Data D3 20 I N_SERTOCAM Negative LVDS Input Serial Communication to the camera 21 O P_SERTOFG Positive LVDS Output Serial Communication from the camera 22 P_CC1 Positive LVDS Input Camera Control 1 CC1 23 N_CC2 Negative LVDS Input Camera Control 2 CC2 24 P_CC3 Positive LVDS Input Camera Control 3 CC3 25 N_CC4 Negative LVDS Input Camera Control 4 CC4 26 PW INNER SHIELD Inner Shield S PW SHIELD Shield Table A 3 Pinout CameraLink connector A 2 CameraLink Connector for CameraLink Camera Models 83 A Pinouts A 3 WO Connector for PoCL Camera Models The I O connector plug for PoCL camera models is available from Binder connectors at The pinout of the I O plug for the PoCL camera models is compatible with the power supply plug for the CameraLink camera models see Table A 2 Figure A 4 I O connector assembly A 4 1 O Connector Table A 4 Jsummarizes the order codes for the 7 pole Binder connector Table A 5 gives the pin assignment for the I O connector Connector Type Order Nr 7 pole plastic 99 0421 00 07 7 pole metal 99 0421 10 07 Table A 4 I O connectors Binder subminiature series 712 Figure A 5 I O
41. er In the trigger mode the trigger signal is applied directly to the camera by the power Interface Trigger DATA supply connector via an optocoupler Any Trigger u Source Any Trigger Trigger Input Source 5 6 Configuration Interface CameraLink Figure 5 18 Trigger Inputs A CameraLink camera can be controlled by the user via a RS232 compatible asynchronous serial interface This interface is contained within the CameraLink interface as shown in Fig B 19 and is physically not directly accessible Instead the serial communication is usually routed through the frame grabber For some frame grabbers it might be necessary to connect a serial cable from the frame grabber to the serial interface of the PC Image data FVAL LVAL DVAL Pixel Clock CameraLink CC Signals CameraLink Serial Interface Figure 5 19 CameraLink serial interface for camera communication 36 5 7 Configuration Interface USB 2 0 USB stands for Universal Serial Bus and is a bus system developed in 1995 by a consortium of leading companies in the computer industry in cooperation with Intel The USB 1 1 specification defined the port speed to be 12 MByte s the USB 2 0 specification a remarkable 48 MByte s However not every PC with an USB 2 0 interface can be used in the fast 48 MByte s mode Depending on the available USB chipset on the PC only a data rate of 24 MByte s can be achieved 8 gt The maximum
42. es caused by the sensor the lens or the illumination Off No correction Offset Activate offset correction Offset Hotpixel Activate offset and hot pixel correction Hotpixel Activate hot pixel correction Offset Gain Activate offset and gain correction Offset Gain Hotpixel Activate offset gain and hot pixel correction Black Level Offset It may be necessary to adjust the black level offset of the camera Black Level Offset Black level offset value Use this to adjust the black level Calibration Offset FPN Hotpixel Correction The offset correction is based on a black reference image which is taken at no illumination e g lens aperture completely closed The black reference image contains the fixed pattern noise of the sensor which can be subtracted from the live images in order to minimize the static noise Close the lens of the camera Click on the Validation button If the Set Black Ref button is still inactive the average of the image is out of range Change the Property Voltage BlackLevel0ffset until the average value of the image is between 40 and 100 DN Click again on the Validation button and then on the Set Black Ref Button 62 er If only offset and hot pixel correction are needed it is not necessary to calibrate a grey image Gain Correction The gain correction is based on a grey reference image which is taken at uniform illumination to give an image with a mid grey level lt gt Gain
43. f fps Simultaneous NS Ro readout mode a l Tea fps 1 exposure time 4 A R ee Sequential Pe readoutmode In fps 1 readout time exposure time exposure time lt readout time exposure time gt readout time exposure time readout time A Exposure time Figure 5 1 Frame rate in sequential readout mode and simultaneous readout mode Sequential readout mode For the calculation of the frame rate only a single formula applies frames per second equal to the invers of the sum of exposure time and readout time 23 5 Functionality Simultaneous readout mode exposure time lt readout time The frame rate is given by the readout time Frames per second equal to the invers of the readout time Simultaneous readout mode exposure time gt readout time The frame rate is given by the exposure time Frames per second equal to the invers of the exposure time The simultaneous readout mode allows higher frame rate However if the exposure time strongly exceeds the readout time then the effect on the frame rate is neglectable C ___Insimultaneous readout mode image output faces minor limitations The overall linear sensor reponse is partially restricted in the lower grey scale region When changing readout mode from sequential to simultaneous readout mode E or vice versa new settings of the BlackLevelOffset and of the image correction are required Sequential readout By default the came
44. feedback shift register mode the camera generates a constant pseudo random test pattern containing all grey levels If the data transmission is error free the histogram of the received LFSR test pattern will be flat Fig 5 9 On the other hand a non flat histogram Fig indicates problems that may be caused either by the cable by the connectors or by the frame grabber 26 Figure 5 8 LFSR linear feedback shift register test image A possible origin of failure message can be caused by the CameraLink cable amp which exceeds the maximum length Also CameraLink cables may suffer either from stress due to wrong installation or from severe electromagnetic interfer ence Some thinner CameraLink cables have a predefined direction In these cables not lt gt all twisted pairs are separately shielded to meet the RS644 standard These pairs are used for the transmission of the RX TX and for the CC1 to CC4 low frequency control signals M Histogramm Port A Picture 620 Port A Picture 620 127 255 Figure 5 9 LFSR test pattern received at the frame grabber and typical histogram for error free data transmission 5 2 Pixel Response 27 5 Functionality PA H IN Em Histogramm Port A Picture 2490 Port A Picture 440 N ud del 255 Figure 5 10 LFSR test pattern received at the frame grabber and histogram containing transmission errors CameraLink cables contain wire pairs which are twist
45. ftware of your frame grabber e Verify all cable connections and the power supply e Check the communication LED of the camera do you see some activity when you try to access the camera 7 4 Graphical User Interface GUI 57 7 The PFRemote Control Tool 7 4 3 Main Buttons The buttons on the right side of the configuration dialog store and reset the camera configuration x Reset Store as defaults Settings file 2 N Factory Reset Figure 7 4 Main buttons Reset Reset the camera and load the default configuration Store as defaults Store the current configuration in the camera flash memory as the default configuration After a reset the camera will load this configuration by default Settings file File Load Load a stored configuration from a file Settings file File Save Save current configuration to a file Factory Reset Reset camera and reset the configuration to the factory defaults 7 5 Device properties Cameras or sensor devices are generally addressed as device in this software These devices have properties that are accessed by a property name These property names are translated into register accesses on the driver DLL The property names are reflected in the GUI as far as practicable A property name normally has a special mark up throughout this document for example ExposureTime Some properties are grouped into a structure whose member is accessed via dot notation e g Window X for the
46. g diagrams of Section 6 4 48 6 4 Trigger 6 4 1 Trigger Modes The following sections show the timing diagram for the trigger modes The signal ExSync denotes the trigger signal that is provided either by the interface trigger or the I O trigger see Section 5 5 The other signals are explained in Table 6 6 For an active high trigger signal the image acquisition begins with the rising edge of the trigger signal The image is read out after the pre configured exposure time After the readout the sensor returns to the reset state and the camera waits for a new trigger pulse see Fig 6 11 The data is output on the rising edge of the pixel clock the handshaking signals FRAME_VALID FVAL and LINE_VALID LVAL mask valid image information The signal SHUTTER in Fig 6 11 indicates the active integration phase of the sensor and is shown for clarity only EXSYNC Frame Time SHUTTER l Exposure Time FVAL 1 N l HA CPRE Linepause Linepause Linepause LVAL LL PA 1 First Line Last Line DVAL Figure 6 11 Trigger timing diagram for camera controlled exposure 6 4 2 Trigger Delay The total delay between the trigger edge and the camera exposure consists of the delay in the frame grabber and the camera Fig Usually the delay in the frame grabber is relatively large to avoid accidental triggers caused by voltage spikes see Fig E 6 4 Trigger 49 6 Hardware Interface Camera CameraLink Fra
47. gt 3 9 kOhm gt 2 7 kOhm gt 2 2 kOhm gt 1 8 kOhm gt 1 0 kOhm Table 6 2 Pull up resistor for strobe output and different voltage levels 6 1 8 Status Indicator CameraLink cameras A dual color LED on the back of the camera gives information about the current status of the CameraLink cameras LED Green Green when an image is output At slow frame rates the LED blinks with the FVAL signal At high frame rates the LED changes to an apparently continuous green light with intensity proportional to the ratio of readout time over frame time LED Red Red indicates an active serial communication with the camera Table 6 3 Meaning of the LED of the CameraLink cameras 6 1 9 Status Indicator USB 2 0 Camera Two dual color LEDs on the back of the USB 2 0 camera give information about the current camera status and the USB 2 0 interface status USB CONNECTOR O LED 1 O LED 2 Figure 6 6 Position of the status indicator LEDs of the USB 2 0 cameras 6 2 CameraLink Data Interface The CameraLink standard contains signals for transferring the image data control information and the serial communication In PoCL camera models the power supply is provided by the same data interface 6 2 CameraLink Data Interface 43 6 Hardware Interface LED 1 Green Green when a physical USB connection is established LED 1 Red After the USB firmware was uploaded to the camera by MicroDisplayUSB the
48. he maximum frame rate depends on the USB chipset of the PC and on the cam era parameters Please see Section and Section 5 7 for more information 15 3 How to get started USB 2 0 You will find more information about microDisplay USB2 0 software in MANO25 16 4 Product Specification 4 1 Introduction The DS1 D1024 CMOS camera series from Photonfocus is aimed at standard applications in industrial image processing It provides a high dynamic at a resolution of 1024 x 1024 pixels The cameras are built around a monochrome CMOS image sensor designed and developed by Photonfocus The principal advantages are Low power consumption at high speeds e Very high resistance to blooming High image contrast achieved by Photonfocus proprietary sensor technology N Ideal for high speed applications global shutter in combination with freely selectable read out window ROI e Grey scale resolution of up to 10 bit e _ Software provided for setting and storage of camera parameters e The cameras have a digital CameraLink or a USB2 0 interface e The compact size make the DS1 D1024 camera series the perfect solution for applications in which space is at a premium The sensor in the DS1 D1024 CMOS camera series is uncovered which makes it very suitable for optical measuring systems The general specification and features of the cameras are listed in the following sections 4 2 Feature Overview Characteristi
49. l o o mea ER Sue ac a ee Meee 5 4 1 Region of Interest ROI es 5 4 2 Calculation of the maximum frame rate CameraLink 5 4 3 Calculation of the maximum frame rate USB 2 0 2 2 2 222 5 5 External Trigger 2 5 5 1 Trigger Source 2s 2 2 2 ee eed a hee eee ee ee ee 5 6 Configuration Interface Cameralink o ee es ae ant Gee lobo es aa ayes a 5 7 1 Software requirements 2 000 e e mae 5 7 2 Hardware requirements 222mm CONTENTS 13 17 17 17 18 20 CONTENTS 6 Hardware Interface 6 1 Connectors 0 0 0 0 ee a 6 1 1 CameraLink Connector for CameraLink Camera Models 6 1 2 Power Supply for CameraLink Camera Models 6 1 3 _ CameraLink Connector for PoCL Camera Models 6 1 4 Power Supply for PoCL Camera Models 6 1 5 USB 2 0 Connector 6 1 6 Power Supply for USB2 0 Camera Models 6 1 9 Status Indicator USB 2 0 Camera ie ee ee ee ee 6 3 Read out Timing 6 3 1 Free running Mode 6 4 Trigger 4 1 Trigger Modes 4 2 Trigger Delay o o Gn 7_ The PFRemote Control Tool E oe Goh ee seven eo Ne ves Ge Gh Se 7 1 1 CameraLink Modell 7 1 2 USB2 0Mode8l Uae bw dee bee ee far eS Sk 7 3 Installation Notesl 0000 7 3 1 Manual Driver Installation only USB 2 0 Model 7 3 2 DLL Dependencies 7 4 Graphical User Interface GU
50. l Tool 7 1 Overview PFRemote is a graphical configuration tool for Photonfocus cameras The latest release can be downloaded from the support area of www photonfocus com All Photonfocus cameras can be either configured by PFRemote or they can be programmed with custom software using the PFLib SDK PFLIB 7 1 1 CameraLink Model As shown in Fig 7 1 the camera parameters can be controlled by PFRemote and PFLib respectively To grab an image use the software or the SDK that was delivered with your frame grabber Frame Grabber Frame Grabber SDK Frame Grabber Figure 7 1 PFRemote and PFLib in context with the CameraLink frame grabber software 7 1 2 USB 2 0 Model For the USB camera model there is no external frame grabber necessary as the camera connects directly to the USB 2 0 port Instead the frame grabber functionality was transferred into the camera As shown in Fig 7 2 the camera parameters can be controlled by PFRemote and PFLib respectively To grab an image use the MicroDisplayUSB software or the USB SDK MicroDisplay B ee E e Figure 7 2 PFRemote and PFLib in context with the USB 2 0 frame grabber software O The USB isochronous interface mode fast mode 48 MBytes sec works only with Windows XP and ServicePack 2 and an Intel Chipset 53 7 The PFRemote Control Tool 7 2 Operating System The PFRemote GUI is available for Windows OS only For Linux or QNX operati
51. lease proceed as follows Open the Device Manager in the Windows Control Panel There will be an unknown device called Silicon Software GmbH microUSB2 Right click on the unknown device and choose Update driver The hardware update wizard will appear It is not necessary to allow the search for current and updated software on the Internet Click on No not this time and Next Then choose Install the software automatically Recommended and proceed with Next When you get asked about the driver location specify Photonfocus microDisplayUSB driver ES This procedure applies to Windows XP and Service pack 2 7 3 2 DLL Dependencies Several DLLs are necessary in order to be able to communicate with the cameras PFCAM DLL The main DLL file that handles camera detection switching to specific camera DLL and provides the interface for the SDK CAMERANAME DLL Specific camera DLL e g mv_d1024e_40 dll COMDLL DLL Communication DLL This COMDLL is not necessarily CameraLink specific but may depend on a CameraLink API compatible DLL which should also be provided by your frame grabber manufacturer CLALLSERIAL DLL Interface to CameraLink frame grabber which supports the clallserial dll CLSER_USB DLL Interface to USB port More information about these DLLs is available in the SDK documentation SW002 7 3 Installation Notes 55 7 The PFRemote Control Tool 7 4 Graphical User Interface GUI PFRemote consists of
52. m the camera 9 N_CC1 Negative LVDS Input Camera Control 1 CC1 10 N_CC2 Positive LVDS Input Camera Control 2 CC2 11 N_CC3 Negative LVDS Input Camera Control 3 CC3 12 P_CC4 Positive LVDS Input Camera Control 4 CC4 13 PW INNER SHIELD Inner Shield 14 PW INNER SHIELD Inner Shield 15 O P_XDO Positive LVDS Output CameraLink Data DO 16 O P_XD1 Positive LVDS Output CameraLink Data D1 17 O P_XD2 Positive LVDS Output CameraLink Data D2 18 O P_XCLK Positive LVDS Output CameraLink Clock 19 O P_XD3 Positive LVDS Output CameraLink Data D3 20 N_SERTOCAM Negative LVDS Input Serial Communication to the camera 21 O P_SERTOFG Positive LVDS Output Serial Communication from the camera 22 P_CC1 Positive LVDS Input Camera Control 1 CC1 23 N_CC2 Negative LVDS Input Camera Control 2 CC2 24 P_CC3 Positive LVDS Input Camera Control 3 CC3 25 N_CC4 Negative LVDS Input Camera Control 4 CC4 26 PW POWER LINE 12V DC S PW SHIELD Shield Table A 6 Pinout PoCL connector 86 A 6 USB 2 0 Connector The USB 2 0 interface and connector were developed by a group of companies Intel Agere Systems NEC Hewlett Packard Philips etc which are now organized in the USB Implementers Forum www usb org The USB connector is used to transmit configuration signals and image data The pinout complies with the standard USB pinout and is listed here for the sake of completeness see Fig
53. me Grabber Interface Trigger Trigger Source I O Trigger Trigger Source Ll Trigger I O Control I O Board Figure 6 12 Trigger Delay visualisation from the trigger source to the camera TRIGGER Trigger source toro tiitter EXSYNC Frame grabber Int EXSYNC Camera SHUTTER Camera td_camera lt 2 La opto rol g Camera opto I O Camera ta_camera A pS Figure 6 13 Timing Diagram for Trigger Delay 50 For the delay in the frame grabber please ask your frame grabber manufacturer The camera delay consists of a constant trigger delay and a variable delay jitter due to the sampling of the trigger signal by the clocked camera electronic The trigger delay and the jitter are specified in table 6 8 and shown in Fig 6 12 The description of the parameters is summarized in table 6 7 Trigger delay type ta ra Description Trigger delay of the frame grabber refer to frame grabber manual jitter Variable camera trigger delay ta camera ta opto Constant camera trigger delay Variable trigger delay of opto coupler Table 6 7 Trigger Delay Parameters Trigger delay type DS1 D1024 40 DS1 D1024 80 DS1 D1024 160 Liter ta camera Table 6 8 Trigger Delay for the DS1 D1024 cameras 6 4 Trigger 51 6 Hardware Interface 52 The PFRemote Contro
54. means that the sensor is read out after the exposure time Then the sensor is reset a new exposure starts and the readout of the image information begins again The data is output on the rising edge of the pixel clock The signals FRAME_VALID FVAL and LINE_VALID LVAL mask valid image information The signal SHUTTER indicates the active exposure period of the sensor and is shown for clarity only PCLK LI Lf EN Lf TL Lf U IN LI LN U Lf U LAI IN Frame Time SHUTTER l Exposure Time FVAL T N 1 l CPRE Linepause Linepause Linepause First Line Last Line DVAL Figure 6 8 Timing diagram sequential readout mode Simultaneous readout timing To achieve highest possible frame rates the camera must be set to Free running mode with simultaneous readout The camera continuously delivers images as fast as possible Exposure time of the next image can start during the readout time of the current image The data is output on the rising edge of the pixel clock The signals FRAME_VALID FVAL and LINE_VALID LVAL mask valid image information The signal SHUTTER indicates the active integration phase of the sensor and is shown for clarity only 46 Peck MID Frame Time SHUTTER l l Exposure Exposure Time Time FVAL l 1 Li ec HE CPRE Linepause Linepause Linepause CPRE First Line Last Line DVAL Figure 6 9 Timing diagram simultaneous readout mode readout time gt exposure time
55. mera interface er For any support requests please enclose the information provided on this tab 64 8 2 DS1 D1024 80 and DS1 D1024 160 This section describes the parameters of the following cameras DS1 D1024 80 CL CameraLink interface DS1 D1024 80 PC Power over CameraLink interface DS1 D1024 160 CL CameraLink interface DS1 D1024 160 PC Power over CameraLink interface The following sections are grouped according to the tabs in the configuration dialog Average Value 713 Update Figure 8 6 DS1 D1024 160 average value Average Value Grey scale average of the actual image This value is in 10 bit 0 1023 Update To update the value of the average click on this button 8 2 DS1 D1024 80 and DS1 D1024 160 65 8 Graphical User Interface GUI 8 2 1 Exposure Window This tab contains exposure time and ROI settings DS1 D1024 160 cl0 4 Serial 2266 xj Exposure Window Trigger Data Output Correction Info Reset Exposure Store as defaults Exposure time ms HH 10 000 r Settings file r Region of interest amp el xp w paH Factory Reset sp 3H fe r Average Value Set to max ROI 1023 l Updat r Simultaneous readout Interleave Update T Simultaneous readout Interleave Note For limitation of the simultaneous readout mode please refer to the manual Figure 8 7 DS1 D1024 160 exposure and window panel Exposure Exposure time ms
56. nctionality E l v average 1 2 0 0 UN gt ie of black TE Ba picture poor black reference offset correction image matrix Figure 5 11 Schematic presentation of the offset correction algorithm How to Obtain a Black Reference Image In order to improve the image quality the black reference image must meet certain demands e The black reference image must be obtained at no illumination e g with lens aperture closed or closed lens opening e t may be necessary to adjust the black level offset of the camera In the histogram of the black reference image ideally there are no grey levels at value 0 DN after adjustment of the black level offset All pixels that are saturated black 0 DN will not be properly corrected see Fig 5 12 The peak in the histogram should be well below the hot pixel threshold of 252 DN 10 bit e Camera settings may influence the grey level Therefore for best results the camera settings of the black reference image must be identical with the camera settings of the image to be corrected Histogram of the uncorrected black reference image T T T T T T black level offset ok black level offset too low R Relative number of pixels 600 800 1000 Grey level 12 Bit DN 1200 1400 1600 Figure 5 12 Histogram of a proper black reference image for offset correction Hot pixel correction Every pixel
57. nded Another Hardware Installation message will appear which can be ignored Continue Anyway LE The procedure described here applies to Windows XP Service pack 2 8 Start the software MicroDisplayUSB In the Camera Selection window see Fig 3 3 choose the camera model and press OK er Always start the software MicroDisplayUSB in the first step and proceed to start the camera software PFRemote in the second step This step is mandatory for proper operation ofthe camera because it downloads the USB firmware into the camera E Camera selection Selection of configuration Manufacturer Camera model USB Device Photontocus del Colour By BAN SZ MV D752E 40 U2 y USB device y OK Cancel Figure 3 3 MicroDisplayUSB camera selection window O If the power supply or the USB cable of the camera have been disconnected you have to restart MicroDisplayUSB in order to download the USB firmware again 9 Start the camera software PFRemote and choose the communication port USBO 10 Check the status LEDs on the rear of the camera D The status LED 2 lower one lights green when an image is being produced and it lights red when serial communication is active The LED 1 upper one lights green when USB is ready and blinks red depending on the transfer mode For more information see Section 6 1 9 11 You may display images using the microDisplay USB2 0 software T
58. ng systems we provide the necessary libraries to control the camera on request but there is no graphical user interface available lt gt If you require support for Linux or QNX operating systems you may contact us for details of support conditions 7 3 Installation Notes For CameraLink Cameras Before installing the required software with the PFInstaller make sure that your frame grabber software is installed correctly For USB Cameras Before installing the required software to control a Photonfocus camera with USB 2 0 interface make sure that no USB camera is connected to the computer During PFinstaller installation choose Install PFRemote with USB environment e After the installation power on the camera and connect it to the USB interface e Windows should display the New Hardware found wizard automatically If this wizard is not displayed please continue as described in the following section Let the hardware wizard install the drivers It is not necessary to allow the search for current and updated software on the Internet Proceed by choosing the option Install the software automatically Recommended Another hardware installation message will appear which can be ignored Continue Anyway amp The procedure described above applies to Windows XP and Service pack 2 54 7 3 1 Manual Driver Installation only USB 2 0 Model If Windows did not automatically install the driver for your USB camera p
59. obe trigger in milliseconds Output Mode Output Mode options are Normal Normal mode LFSR Test image Linear feedback shift register pseudo random image The pattern depends on the grey level resolution Ramp Test image Values of pixel are incremented by 1 starting at each row The pattern depends on the grey level resolution Resolution options are 8 Bit Grey level resolution of 8 bit 10 Bit Grey level resolution of 10 bit 8 1 DS1 D1024 40 61 8 Graphical User Interface GUI 8 1 3 Correction This tab contains correction settings DS1 D1024 40 cl0 4 Serial 6782 x Exposure Window Trigger Data Output Correction Info Reset 6 r Calibration Correction Mode Ere Offset FPN Hotpixel Gain Correction _ Store as defauts Correction o e r Settings file Produce a black image with Produce a grey image with ES 40DN lt average lt 100DN 550DN lt average lt S00DN oe N 10Bit 10Bit EJES Validation Validation Factory A y Reset Offset Gain Hotpixel ETA pr Set Black Ref Set Grey Ref r Average Value Black Level Offset 1023 3300 Calculate Correction 3 sec a Update Save to Flash 55 sec WARNING The factory presets will be deleted Please refer to the manual for more details about the correction modes Figure 8 4 DS1 D1024 40 correction panel Correction Mode The camera has image pre processing features that compensate for non uniformiti
60. out please refer to Appendix A This connector is used to transmit configuration image data trigger signals and power 6 1 4 Power Supply for PoCL Camera Models PoCL camera models do not need extra power supply The power for the camera is provided via the data cable In order to maintain backward compatibility to CameraLink camera models PoCL cable uses the same connector and cable structure It uses drain wires of which two are converted to 40 insulated wire for power feeding 12V DC The remaining two drain wires are used as is for power return and shield O Supply voltage must be 12V DC 1V DC and is supplied by the PoCL frame grabber hardware The supply current must have a 400 mA capability 6 1 5 USB 2 0 Connector The USB 2 0 camera models are interfaced to external components via e a USB 2 0 B Type connector see Fig 6 3 e a subminiature 7 pin Binder connector Binder series 712 for the power supply trigger and strobe signal Figure 6 3 USB type B Connector The connectors are located on the back of the camera Fig 6 4 shows the plugs and the status LEDs which indicate camera operation USB 2 0 Connector y AS Sl 6 LED1 67 LED 2 Power Supply and I O Connector Figure 6 4 Rear view of the USB 2 0 cameras 6 1 6 Power Supply for USB2 0 Camera Models The camera requires a single voltage input see Table 4 4 The camera meets all performance specifications using stan
61. photon focus User Manual DS1 D1024 Series CMOS Area Scan Cameras MANO30 11 2008 V1 2 All information provided in this manual is believed to be accurate and reliable No responsibility is assumed by Photonfocus AG for its use Photonfocus AG reserves the right to make changes to this information without notice Reproduction of this manual in whole or in part by any means is prohibited without prior permission having been obtained from Photonfocus AG Contents 1 1 About Photontocusl 1 2 Contact s ea aeg A cr dhe ween ebb ees da wh he dd REG ERS RSS 1 3 Sales Officesl mm a atta facta ade RNE ON 1 5 Legend 2 2 2 222mm nn 2 How to get started CameraLink 3 How to get started USB 2 0 4 Product Specification 4 1 Introduction 2 22 2 22m a pd Ede as dene ae ds ig ms moe BEN gets ces Ree ete tie ads as See See he es Gn ees et ae canta tes act eel yee id A ee ee can ner ee 5 Functionality 5 1 Image Acquisition lt sss e a e nn 5 1 1 Free running and Trigger Model 0005 eee eee 5 1 2 Exposure Controll o o e O ee ee eee ee 5 2 Pixel Response 9 a RR nn 5 2 1 Linear RESPONSE fe ke a 4 2 E ae re 5 2 2 Testlmagesl 0 o e e mee 5 3 Image Correction ee 5 3 1 OvervieWl o a a ee a ee a a a A 5 3 2 Offset Correction FPN Hot Pixels lt lt eee eee Sa hard de eke ba A eS eee ee eee 5 3 4 Corrected Image
62. power supply connector Further trigger settings Trigger signal active low Define the trigger signal to be active high default or active low Strobe The camera generates a strobe output signal that can be used to trigger a strobe The pulse width can be defined by software To turn off strobe output set StrobePulseWidth to 0 Strobe Pulse Width ms The pulse width of the strobe trigger in milliseconds Output Mode Output Mode options are Normal Normal mode LFSR Test image Linear feedback shift register pseudo random image The pattern depends on the grey level resolution Ramp Test image Values of pixel are incremented by 1 starting at each row The pattern depends on the grey level resolution Resolution options are 8 Bit Grey level resolution of 8 bit 10 Bit Grey level resolution of 10 bit 8 2 DS1 D1024 80 and DS1 D1024 160 67 8 Graphical User Interface GUI 8 2 3 Correction This tab contains correction settings DS1 D1024 160 cl0 4 Serial 2266 x Exposure Window Trigger Data Output Correction Info Reset i r Calibration Correction Mode Offset FPN Hotpixel Gain Correction _ Store as defauts EEES e Off Correction r Settings file C Offset c r A r A Produce a black image with Produce a grey image with Si Offset Hotpixel 40DN lt average lt 100DN 550DN lt average lt 9DODN E C Holpixel 108it 108it Offset Gain Validation Validation Factory A y
63. provided 7 pole power plug For the connector assembly see Fig The pinout of the connector is shown in Appendix A Check the correct supply voltage and polarity Do not exceed the maximum operating voltage of 12V DC 10 7 Connect the power supply to the camera see Fig 2 2 Q The status LED on the rear of the camera will light red for a short moment and then flash green For more information see Section 6 1 9 10 8 Download the camera software PFRemote to your computer You can find the latest version of PFRemote on the support page at www photonfocus com 9 Install the camera software PFRemote Please follow the instructions of the PFRemote setup wizard Setup PFRemote and SDK yy io xi Welcome to the PFRemote and SDK Setup Wizard This will install PFRemote on your computer It is recommended that you close all other applications before continuing Click Next to continue or Cancel to exit Setup Figure 2 3 Screen shot PFremote setup wizard 10 Start the camera software PFRemote and choose the communication port ETE A File Help E Potts Exposure window Trigger Data Output Characteristics amp BitFlow Inc r Exposure E Coreco Imaging Y National Instruments Exposure time ms 10 000 E clser dll at PFRemote directory MV D1024E 160 cil 5 T Constant Frame Rate Y USB E RS 232 Frame time ms 16657 m Information 16 25 26 Opening device on port
64. ra continuously delivers images as fast as possible Free running mode in the sequential readout mode Exposure time of the next image can only start if the readout time of the current image is finished exposure read out exposure read out Figure 5 2 Timing in free running sequential readout mode When the acquisition of an image needs to be synchronised to an external event an external trigger can be used refer to Section 5 5 and Section 6 4 In this mode the camera is idle until it gets a signal to capture an image exposure read out idle exposure external trigger Figure 5 3 Timing in triggered sequential readout mode Simultaneous readout interleave exposure To achieve highest possible frame rates the camera must be set to Free running mode with simultaneous readout The camera continuously delivers images as fast as possible Exposure time of the next image can start during the readout time of the current image exposure n idle exposure n 1 idle read out n 1 read out n read out n 1 frame time Figure 5 4 Timing in free running simultaneous readout mode readout time gt exposure time 24 exposure n 1 exposure n exposure n 1 idle read out n 1 idle read out n frame time Figure 5 5 Timing in free running simultaneous readout mode readout time lt exposure time When the acquisition of an image needs to be synchronised to an external e
65. s or extended regions of dead pixel cS To choose a lens see the Lens Finder in the Support area at www photonfocus com 13 3 How to get started USB 2 0 4 Install the USB camera software You can download the necessary software PFInstaller exe from the Photonfocus website at CS During the installation the camera must not be connected to the USB port 5 Connect a suitable power supply to the provided 7 pole power plug and power on the camera For the connector assembly see Fig The pinout of the connector is shown in Appendix A Check the correct supply voltage and polarity Do not exceed the maximum operating voltage of 12V DC 10 6 Connect the camera to a USB 2 0 port at the PC with a suitable USB 2 0 Type B cable see Fig 3 2 amp Make sure that you use a high quality shielded USB 2 0 cable Figure 3 2 Camera with frame grabber power supply and cable gt Only 1 USB camera can be connected per PC due to the point to point connection style of the Photonfocus USB 2 0 interface implementation 7 Let Windows install the drivers Windows should display the New Hardware found wizard automatically CS If the wizard is not displayed please continue as described in Section 14 Let the hardware wizard install the drivers It is not necessary to allow the search for current and updated software on the Internet Proceed by choosing the option Install the software automatically Recomme
66. same number of times in a test image Therefore the histogram of the received image must be flat A test image is a useful tool to find data transmission errors that are caused most often by a defective cable between camera and frame grabber gt The analysis of the test images with a histogram tool gives the correct result at full resolution only Ramp Depending on the configured grey level resolution the ramp test image outputs a constant pattern with increasing grey level from the left to the right side see Fig 5 7 Figure 5 7 Ramp test images 8 bit output left 10 bit output right LFSR The LFSR linear feedback shift register test image outputs a constant pattern with a pseudo random grey level sequence containing every possible grey level that is repeated for every row The LFSR test pattern was chosen because it leads to a very high data toggling rate which stresses the interface electronic and the cable connection In the histogram you can see that the number of pixels of all grey values are the same Please refer to application note AN026 for the calculation and the values of the LFSR test image Troubleshooting using the LFSR To control the quality of your complete imaging system enable the LFSR mode and check the histogram at full resolution If your frame grabber application does not provide a real time histogram store the image and use a graphic software tool to display the histogram In the LFSR linear
67. speed of the USB 2 0 interface 24 MByte s or 48 MByte s is deter mined by the USB driver automatically and cannot be configured The implementation of the USB 2 0 interface in Photonfocus CMOS cameras is designed as a point to point connection between the camera and the PC The USB 2 0 interface uses the upper most available band width of 48 MByte s and thus enables very high frame rates even at megapixel resolution On the other hand this interface does not allow multi camera vision systems Multi camera vision systems of other USB 2 0 interface implementations have to face the drawback of considerably lower data rate per each camera 5 7 1 Software requirements To reach the full performance of 48 MByte s Windows XP with Service Pack 2 is required For Windows 2000 and Windows XP Service Pack 1 the camera will run with 24 MByte s only The camera can only be operated with the software MicroDisplayUSB to grab cS Images together with PFRemote to control the camera Alternatively the Grab Module USB SDK and the PFLib SDK can be used Other software is not sup ported The camera firmware which is essential for the operation of the camera is auto lt gt matically transmitted to the camera via USB during the start up of the MicroDis playUSB software Therefore the camera must always be connected to the USB bus during start up otherwise the camera will not be functional 5 7 2 Hardware requirements To reach the full performance of
68. st ROI the frame rate can be drastically increased A region of interest can be almost any rectangular window and is specified by its position within the full frame and its width and height Fig 5 17 gives some possible configurations for a region of interest and Table 5 6 shows some numerical examples of how the frame rate can be increased by reducing the ROI CS Both reductions in x and y direction result in a higher frame rate a b c d Figure 5 17 ROI configuration examples 5 4 Reduction of Image Size 33 5 Functionality ROI Dimension DS1 D1024 40 DS1 D1024 80 DS1 D1024 160 1024 x 1024 37 fps 74 fps 149 fps 512 x 512 149 fps 293 fps 586 fps 256 x 256 585 fps 1127 fps 2230 fps 128 x 128 2230 fps 4081 fps 7843 fps 128 x 16 15 000 fps 23041 fps 37453 fps Table 5 3 Frame rates of different ROI settings exposure time 10 us correction off CFR off skimming off and sequential readout mode Exposure time DS1 D1024 40 DS1 D1024 80 DS1 D1024 160 10 ys 37 fps 74 74 fps 149 148 fps 100 us 37 fps 74 74 fps 147 146 fps 500 us 37 fps 72 72 fps 139 139 fps 1 ms 36 fps 69 72 fps 130 139 fps 2ms 35 fps 65 72 fps 115 140 fps 5 ms 31 fps 54 72 fps 85 140 fps 10 ms 27 fps 42 72 fps 60 99 fps 12 ms 26 fps 39 72 fps 53 82 fps Table 5 4 Frame rate of different exposure times sequential
69. t corner Y Y coordinate starting from 0 in the upper left corner W Window width H Window height Set to max ROI Set Window to maximal ROI X 0 Y 0 W 1024 H 1024 S 60 For the DS1 D1024 40 U2 camera W x Htot gt 1024 8 1 2 Trigger This tab contains trigger and data output settings DS1 D1024 40 cl0 4 Serial 6782 xj Exposure Window Trigger Data Output Correction Info Basal r Trigger r Sour Store as defaults C Interface Trigger C 1 0 Trigger Settings file S er Factory Reset ic 1 000000 Strobe Pulse Width ms Average Value 1023 r Output Mode Output Mode Normal Pa EEA Resolution 8 Bit L Figure 8 3 DS1 D1024 40 trigger and data output panel Trigger Trigger Source options are Free running The camera continuously delivers images with a certain configurable frame rate Interface Trigger The Trigger signal is applied to the camera by the CameraLink frame grabber or the USB interface respectively 1 O Trigger The trigger signal is applied directly to the camera via the power supply connector Further trigger settings Trigger signal active low Define the trigger signal to be active high default or active low Strobe The camera generates a strobe output signal that can be used to trigger a strobe The pulse width can be defined by software To turn off strobe output set StrobePulseWidth to 0 Strobe Pulse Width ms The pulse width of the str
70. time tirame 2 texp tro trame frame time texp exposure time tro readout time MODE 1 if Intel supported chipset fast mode AND data resolution 8 bit 2 if no Intel supported chipset slow mode XOR data resolution 8 bit 4 if no Intel supported chipset slow mode AND data resolution 8 bit ROI Dimension MODE 1 MODE 2 MODE 4 1024 x 1024 tro 26 4 ms t 52 8 ms tro 105 6 ms 1024 x 512 tro 13 2 ms to 26 4 ms to 52 8 ms 1024 x 256 tro 6 6ms t 13 2 ms to 26 4 ms 512x512 to 6 6ms to 13 2 ms tro 26 4 ms Table 5 6 Read out time for the DS1 D1024 40 U2 depending on chipset and data resolution amp A calculator for calculating the maximum frame rate is available in the support area of the Photonfocus website 5 4 Reduction of Image Size 35 5 Functionality 5 5 External Trigger An external trigger is an event that starts an exposure The trigger signal is either generated on the frame grabber soft trigger or comes from an external device such as a light barrier If a trigger signal is applied to the camera before the earliest time for the next trigger this trigger will be ignored 5 5 1 Trigger Source The trigger signal can be configured to be active high or active low One of the following trigger sources can be used Interface Trigger In the interface trigger mode the trigger signal is applied to the camera by the CameraLink interface Trigg
71. ty Voltage BlackLevel0ffset until the average value of the image is between 40 and 100 DN Click again on the Validation button and then on the Set Black Ref Button 68 er If only offset and hot pixel correction are needed it is not necessary to calibrate a grey image Gain Correction The gain correction is based on a grey reference image which is taken at uniform illumination to give an image with a mid grey level lt gt Gain correction is not a trivial feature The quality of the grey reference image is crucial for proper gain correction Produce a grey image with an average value between 550 and 900 DN Click on the Validation button to check the average value If the average value is in range the Set Grey Ref button is active Calculate Calculate the correction values into the camera RAM To make the correction values permanent use the Save to Flash button Save to Flash Save the current correction values to the internal flash memory A This will overwrite the factory presets 8 2 DS1 D1024 80 and DS1 D1024 160 69 8 Graphical User Interface GUI 8 2 4 Info This panel shows camera specific information such as type code serial number and firmware revision of the FPGA and microcontroller and the description of the camera interface DS1 D1024 160 cl0 4 Serial 2266 xj Exposure Window Trigger Data Output Correction Info Reset Typecode 162 Store as defaults Serial 2266 Settings file Sl
72. u uC Revision r Average Value Interface CameraLink Base roza Update Figure 8 10 DS1 D1024 160 info panel Typecode Type code of the connected camera Serial Serial number of the connected camera FPGA Sensor Revision Firmware revision of built in Sensor FPGA of the connected camera FPGA ADC Revision Firmware revision of built in ADC FPGA of the connected camera uC Revision Firmware revision of built in microcontroller of the connected camera Interface Description of the camera interface CS For any support requests please enclose the information provided on this tab 70 Mechanical and Optical Considerations 9 1 Mechanical Interface During storage and transport the camera should be protected against vibration shock moisture and dust The original packaging protects the camera adequately from vibration and shock during storage and transport Please either retain this packaging for possible later use or dispose of it according to local regulations 9 1 1 Cameras with CameraLink Interface 01 UNC gup deep IN 14 UNC 9m deep E gt 8 x M6 1 Tnm deep x 5 x 45 S Sae Lo Al l re y Naw Nam TTA 1 8 x M5 Imm deep Figure 9 1
73. vent an external trigger can be used refer to Section 5 5 and Section 6 4 In this mode the camera is idle until it gets a signal to capture an image exposure n lt ide X exposure n 1 lt ide gt Readoutn 1 idle gt Readout n idle gt Readout n 1 5 external trigger gt _ gt earliest possible trigger 9 Figure 5 6 Timing in triggered simultaneous readout mode 5 1 2 Exposure Control The exposure time defines the period during which the image sensor integrates the incoming light Refer to Table 4 3 for the allowed exposure time range and see Section 5 4 1 5 1 3 Maximum Frame Rate The maximum frame rate depends on the exposure time and the size of the image see Region of Interest for CameraLink see Section 5 4 1 and for USB 2 0 see Section 5 2 Pixel Response 5 2 1 Linear Response The DS1 D1024 camera series offers in first order a linear response between input light signal and output grey level Black Level Adjustment The black level is the average image value at no light It can be adjusted by the software by changing the black level offset Thus the overall image gets brighter or darker 5 2 Pixel Response 25 5 Functionality 5 2 2 Test Images Test images are generated in the camera FPGA independent of the image sensor They can be used to check the transmission path from the camera to the frame grabber Independent from the configured grey level resolution every possible grey level appears the

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