Home

User Manual MV-D1024E CameraLink ® Series

1. PCLK EXSYNC t Frame Time SHUTTER Exposure Time FVAL l u u l R CPRE Linepause Linepause Linepause L i L iy First Line Last Line DVAL Figure 5 12 Trigger timing diagramm for level controlled exposure 5 4 Trigger 55 5 Hardware Interface 5 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 The trigger can also be delayed by the property Trigger Delay Camera CameraLink Frame Grabber Interface Trigger Trigger Source I O Trigger Trigger Source O Trigger I O Control I O Board Figure 5 13 Trigger Delay visualisation from the trigger source to the camera o TRIGGER Trigger source O q te y EXSYNC Frame grabber titter Int EXSYNC Camera SHUTTER Camera ta_camera CE Camera opto I O ta opto vol g Camera ta_camera Figure 5 14 Timing Diagram for Trigger Delay 56 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 Trigger delay type ta ra Description Trigger delay of the frame grabber refer to frame grabber manual tyitter
2. MY D1024E 160 cl0 4 Serial 4425 x Reset Store as defaults r Settings file Gi Factory Reset r Frame Rate fps 99 2 Update Exposure Window Trigger Data Output Characteristics Correction Info Trigger r Strobe Strobe Delay ms 0 000000 Strobe Pulse Width ms 1 000000 J Strobe signal active low r Average Value 2859 Update Figure 7 13 MV D1024E 160 trigger panel Trigger Trigger Source 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 power supply connector Exposure time defined by Camera The exposure time is defined by the property ExposureTime Trigger Pulse Width The exposure time is defined by the pulse width of the trigger signal level controlled exposure e This property disables LinLog and simultaneous readout mode Further trigger settings Trigger Delay Programmable delay in milliseconds between the incoming trigger edge and the start of the exposure Trigger signal active low Define the trigger signal to be active high default or active low 7 2 MV D1024E 80 MV D1024E 160 BL1 D1024E 80 and BL1 D1024E 160 81 7 Graphical User Interface GUI Strobe The camera genera
3. and readout or simult readout Table 3 3 Model specific parameters 14 MV D1024E 40 MV D1024E 80 MV D1024E 160 Operating temperature 0 C 50 C 0 C 50 C 0 C 50 C Camera power supply 12 V DC 10 12 VDC 410 12 V DC 10 Trigger signal input range 5 15 V DC 5 15 V DC 5 15 V DC Strobe signal power supply 5 15 V DC 5 15 V DC 5 15 V DC Strobe signal sink current average max 8 mA max 8 mA max 8 mA Max power consumption 1 6W 3 0 W 3 2 W Lens mount Dimensions C or CS Mount 55 x 55 x 32 mm C or CS Mount 55 x 55 x 40 mm C or CS Mount 55 x 55 x 40 mm Mass Conformity 200 g CE RoHS WEEE 2109 CE RoHS WEEE 2109 CE RoHS WEEE Table 3 4 Physical characteristics and operating ranges Quantum Efficiency vs Wavelength Quantum Efficiency o N uo 200 300 400 500 600 700 Wavelength nm 900 1000 1100 Figure 3 1 Spectral response of the A1024B CMOS sensor 3 3 Technical Specification 15 3 Product Specification 3 4 Frame Grabber relevant Configuration MV D1024E 40 MV D1024E 80 MV D1024E 160 Pixel Clock per Tap 80 MHz Number of Taps 1 2 2 Greyscale resolution 12 bit 10 bit 8 bit 12 bit 10 bit 8 bit 12 bit 10 bit 8 bit cc1 EXSYNC EXSYNC EXSYNC CC2 not used not used not
4. Extremely high image contrast achieved by LinLog technology Ideal for high speed applications global shutter in combination with several simultaneously selectable read out windows Multiple ROI Grey level resolution up to 12 bit Software is provided to set camera parameters and store them within the camera The cameras have a digital CameraLink interface or a PoCL interface The compact size of only or 55 x 55 x 32 mm MV D1024E 40 makes the MV D1024E series the perfect solution for applications in which space is at a premium The general specification and features of the camera are listed in the following sections 3 2 Feature Overview Interfaces MV D1024E CameraLink Series CameraLink base configuration Camera Control Configuration Interface PFRemote Windows GUI or programming library serial 9 600 baud for the 80 160 models 57 6k baud is also available Trigger Modes Exposure Time Interface Trigger I O Trigger Defined by camera or trigger pulse width Features Linear Mode LinLog Mode Skimming Shading Correction Offset and Gain Grey level resolution 12 bit 10 bit 8 bit Region of Interest ROI Multiple Regions of Interest MROI Look up table 10 to 8 bit Decimation Trigger input Strobe output with programmable delay Test pattern Image information Status line Table 3 1 Feature overview see Chapter 4 for more information 1
5. 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 Is the power LED of the camera active Do you get an image in the display software 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 6 4 Graphical User Interface GUI 63 6 The PFRemote Control Tool 6 4 3 Main Buttons The buttons on the right side of the configuration dialog store and reset the camera configuration E x Reset Store as defaults Settings file 2 ul Factory Reset Figure 6 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 6 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 reflecte
6. 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 7 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 4 8 6 Connect a suitable power supply to the 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 5 1 6 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 wiz
7. 61 6 4 Graphical User Interface GUI o oo 62 6 4 1 PortBrowsend cenaa 62 A amp Sk we eh ee es 63 6 4 3 Main Buttons aoaaa a 64 6 5 Device properties sace rada skdn aa aa EEE EA EEEa a a E a 64 7 Graphical User Interface GUI 65 7 1 MV D1024E 40 and BL1 D1024E 40 65 ARO fissis soia ys ds i aroa as E Ee de d o aD ED iR E i R R SB ACES ARES cya ge Santee Ge eee ee 66 E a a a a ey ev ee 67 LA MO ee ii eae E AA Se es ad 69 7 1 4 Data QUIPpuUt lt isa oi aa anma a aaa aa 71 1 5 _ Characteristics o poean iaa aa aaa a a 73 A eee ee ds ok Bye ee oe a eee 74 AA ett 2 bale A 76 7 2 MV D1024E 80 MV D1024E 160 BL1 D1024E 80 and BL1 D1024E 160 77 2 EXPOSUIC occ eee eee a E A ee He ep Bk a 78 A 79 72 3 MOJ cio e AR A ee Dao 81 724 Data QUEUE lacio aa Te ce cis ce kde e ode ine A a ge oa Une Ste set ac nee ene ce 83 7 2 5 Characteristics 2 a a 85 Reta ber nee Seg eek ise oe ee a Se a ee el ee 86 T2 M O e ice or ok dade oe Se a GB tom ogee A Ge Ee a ek eG 88 8 Mechanical and Optical Considerations 8 1 Mechanical Interface for CameraLink Camera Models 8 2 Mechanical Interface for PoCL Camera Models 8 3 Optical Interface o o 8 3 1 Cleaning the Sensor 8 4 Compliance Warranty 9 1 Warranty Terms 9 2 Warranty Claim 10 References A 1 Power Supply for CameraLink Camera Models A 2 CameraLi
8. PWR GROUND Signal ground for opto isolated strobe signal N 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 5 6 7 8 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 100 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 l P_SERTOCAM Positive LVDS Input Serial Communication to the camera 8 O N_SERTOFG Negative LVDS Output Serial Communication from the camera 9 l N_CC1 Negative LVDS Input Camera Control 1 CC1 10 l N_CC2 Positive LVDS Input Camera Control 2 CC2 11 l N_CC3 Negative LVDS Input Camera Control 3 CC3 12 l P_CC4 Positive LVDS Input Camera Control 4 CC4 13 PW INNER SHIELD Inner Shield 14 PW INNER SHIELD In
9. Variable camera trigger delay max 25 ns ta camera Constant camera trigger delay 150 ns ta opto Table 5 6 Trigger Delay 5 4 Trigger Variable trigger delay of opto coupler 57 5 Hardware Interface 58 6 The PFRemote Control Tool 6 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 6 1 1 CameraLink Model As shown in Fig 6 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 t t l Figure 6 1 PFRemote and PFLib in context with the CameraLink frame grabber software 6 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 6 2 the camera parameters can be controlled by PFRemote and PFLib respectively To grab an image use the MicroDisplayUSB software or the USB SDK MicroDispl a E A o PO o Figure 6 2 PFRemote and PFLib in context with the USB 2 0 frame grabber software O The USB isochronous inte
10. AN024 Application Note LinLog Principle and Practical Example Photonfocus March 2005 ANO07 Application Note Camera Acquisition Modes Photonfocus March 2004 ANO10 Application Note Camera Clock Concepts Photonfocus July 2004 AN021 Application Note CameraLink Photonfocus July 2004 ANO026 Application Note LFSR Test Images Photonfocus September 2005 97 10 References 98 A Pinouts A 1 Power Supply for CameraLink Camera Models The power supply plugs are available from Binder connectors at www binder connector de It is extremely important that you apply the appropriate voltages to your camera Incorrect voltages will damage or destroy the camera lt gt A suitable power supply is available from Photonfocus Figure A 1 Power connector assembly A 1 1 Power Supply Connector Table A 1 summarizes the order codes for the 7 pole Binder connector Table A 2 gives the pin assignment for the power supply connector with included l O ports Connector Type Order Code 7 pole plastic 99 0421 00 07 7 pole metal 99 0421 10 07 Table A 1 Power supply connectors Binder subminiature series 712 99 A Pinouts Figure A 2 Power supply plug 7 pole rear view of plug solder side Pin I O Type Name Description 12 V DC 10 GND Ground RESERVED Do not connect STROBE VDD 5 15 VDC O STROBE Strobe control opto isolated External trigger opto isolated 5 15V DC
11. Methanol Fluid Johnson Matthey GmbH Semiconductor Grade Germany 99 9 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 8 3 D 92 Cleaning tools except chemicals can be purchased from Photonfocus www photonfocus com 8 4 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 PP01 MV2 D1280 640 CL 8 SM2 D1024 80 DS1 D1024 40 CL DS1 D1024 40 U2 DS1 D1024 80 CL DS1 D1024 160 CL DS1 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 1995 EN 55 022 1994 Photonfocu
12. reference image are required Then the correction values are determined automatically in the camera lt gt Do not set any reference images when gain or LUT is enabled 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 4 4 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 1008 DN 12 bit as hot pixels Store the result in the camera as the offset correction matrix OM ee ee as During image acquisition subtract the correction matrix from the acquired image and interpolate the hot pixels see Section 4 4 2 4 4 Image Correction 33 4 Functionality ip uv average ala toto BE bani ms a Spl p Y picture lo 2 A black reference offse
13. 2 Drawing of the PoCL camera model rear view All values are in mm MV D1024E 40 MV D1024E 80 MV D1024E 160 Table 8 2 Model specific parameters 90 8 3 Optical Interface 8 3 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 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 2 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 3 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 cleani
14. 4 0 e g 1 234 Grey level transformation Gain y 255 1023 a x 300 T T T T o o y grey level output value 8 bit DN a L a o 0 l 0 200 400 600 800 1000 1200 x grey level input value 10 bit DN Figure 4 17 Applying a linear gain to an image 28 Gamma The Gamma mode performs an exponential amplification configurable in the range from 0 4 to 4 0 Gamma gt 1 0 results in an attenuation of the image see Fig 4 18 gamma lt 1 0 results in an amplification see Fig Grey level transformation Gamma y 255 1023 x y gt 1 300 T T T T T 250 F 200 F 150 F 100 F y grey level output value 8 bit DN 0 0 200 400 600 800 1000 1200 x grey level input value 10 bit DN Figure 4 18 Applying gamma correction to an image gamma gt 1 Grey level transformation Gamma y 255 1023 x y lt 1 300 1 T 250 200 150 100 50 y grey level output value 8 bit DN ll ll 0 200 400 600 800 1000 1200 x grey level input value 10 bit DN Figure 4 19 Applying gamma correction to an image gamma lt 1 4 3 Pixel Response 29 4 Functionality User defined Look up Table In the User mode the mapping of input to output grey levels can be configured arbitrarily by the user There is an example file in the PFRemote folder User LUT y f
15. Q 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 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
16. Window H 1 Window H 1 Table 4 5 Camera specific values for frame time calculations er A calculator for calculating the maximum frame rate is available in the support area of the Photonfocus website 4 5 Reduction of Image Size 39 4 Functionality 4 5 2 Multiple Regions of Interest The MV D1024E camera series can handle up to 16 different regions of interest This feature can be used to reduce the image data and increase the frame rate An application example for using multiple regions of interest MRO I is a laser triangulation system with several laser lines The multiple ROIs are joined together and form a single image which is transferred to the frame grabber An ROI is defined by its starting value in y direction and its height Every ROI within a MROI must be of the same width The maximum frame rate in MROI mode depends on the number of rows and columns being read out Overlapping ROls are allowed See Section 4 5 1 for information on the calculation of the maximum frame rate X Ww Figure 4 32 Multiple Regions of Interest with 5 ROIs 4 5 3 Decimation Decimation reduces the number of pixels in x and y direction Decimation can also be used together with ROI or MROI Decimation in y direction transfers every n trow only and directly results in reduced read out time and higher frame rate respectively Decimation in x direction transfers every pixel of a row but uses the CameraLink DVAL data valid si
17. 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 5 5 Explanation of contro and data signals used in the timing diagram These terms will be used also in the timing diagrams of Section 5 4 5 3 2 Constant Frame Rate Mode CFR When the camera is in constant frame rate mode the frame rate can be varied up to the maximum frame rate Thus fewer images can be acquired than determined by the frame time When constant frame rate is switched off the camera outputs images with maximum speed depending on the exposure time and the read out time The frame rate depends directly on the exposure time lt gt Constant Frame Rate mode is not available together with external trigger mode 52 N Exposure time A Readout time gt Exposure time Ns Readout time gt CFR off 1d l Frame time Frame time l N N E Exposure time Readout time ar Exposure time Readout time oir time time CFR on Y l Frame time Frame time Figure 5 8 Constant Frame Rate with sequential readout mode
18. correction always needs an offset correction matrix so the offset correction has to be performed before the gain correction 4 4 Image Correction 35 4 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 4095 DN 12 bit All pixels that are saturated white will not be properly corrected see Fig A e Camera settings such as exposure time LinLog skimming and digital gain may influence the grey level Therefore the camera settings of the grey reference image must be identical with the camera settings of the corrected image Histogram of the uncorrected grey reference image 1 T T T T T T T my T grey reference image ok Vd 0 8 grey reference image too bright I 9 2 P D a io Relative number of pixels o 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 Grey level 12 Bit DN Figure 4 29 Proper grey reference image for gain correction 4 4 4 Corrected Image Offset gain and hot pixel correction can be switched on seperately The following configurations are possible No correction
19. image with image information To update the value of the information properties click on the Update Button to reset the properties click on the Reset Button 66 7 1 2 Window This tab contains ROI multi ROI and decimation settings x Exposure Window Trigger Data Output Characteristics Correction Info Reset Region of interest Multi ROI cor Note When MROI is enabled Wi GUE Gi x lb H w 1024 H ROI settings can not be changed a r Settings file i Leal y jo I H 1024 ted 7 EnableMRO MROIO es Set to max ROI ls E Y J0 jos Ink 1024 E Factory Reset p Decimation H tota 1024 r Frame Rate fps D Enbiex pay O A ara T Enable Y al Update Average Value Update Figure 7 3 MV D1024E 40 window panel 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 H Window height Set to max ROI Set Window to maximal ROI X 0 Y 0 W 1024 H 1024 S For the MV D1024E 40 U2 and the BL1 D1024E 40 U2 cameras W x Htot gt 1024 Decimation Decimation reduces the number of pixels in x or y direction or both Decimation can also be used together with a ROI or MROI Decimation in y direction transfers every n th row only and directly results in reduced read out time and higher frame rate respectively Decimation in x
20. 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 gray 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 camera 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 4 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 4 6 and Section 5 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 4 3 Timing in triggered sequential readout mode Simultaneous readout interleave exposure To achieve highest possible frame rates the camera mus
21. 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 5 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 5 1 Redefiniton of the inner shield wires for the PoCL standard The PoCL camera models are interfaced to external components via e a miniature 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 5 2 shows the plugs and the status LED which indicates camera operation Figure 5 2 Rear view of the PoCL camera models The PoCL 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 im
22. the cameras are listed in Section B Table 3 4 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 Fig 8 1 shows the mechanical drawings of the CameraLink camera models Table 8 1 summarizes model specific parameters E pe i ial i l S a HQ 4 UNC Z Srm deep NUNC Srm deep E i Q i 8 x MB rem dep x 5 x 45 T S d HA jl N a ito Naam 5 is x Ue Na x M6 Tm dep Figure 8 1 Mechanical dimensions of the CameraLink model with or without C Mount adapter All values are in mm Po MV D1024E 40 MV D1024E 80 MV D1024E 160 X housing depth 32 mm 40 mm 40 mm Table 8 1 Model specific parameters 89 8 Mechanical and Optical Considerations 8 2 Mechanical Interface for PoCL Camera Models The general mechanical data of the cameras are listed in Section 3 Table 3 4 Fig 8 2 shows the mechanical drawing of the PoCL camera models Table 8 2 summarizes model specific parameters SS O focus Figure 8
23. the grey reference image that is currently stored in the camera RAM for debugging reasons 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 to panel Charateristics and change the Property BlackLevel0ffset until the average of the image is between 160 and 400DN Click again on the Validation button and then on the Set Black Ref Button 86 If only offset and hot pixel correction is needed it is not necessary to calibrate a grey image see Calculate 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 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 between 2200 and 3600DN Click on the Validation button to check the average If the average is in range the Set Grey Ref button is active Calculate Calculate the correction values into the camera RAM To make the correction values perma
24. time ms 10 000 f Settings file I Constant Frame Rate 2 E Frame time ms Baa Factory Reset r Frame Rate fps r Information 27 45 Image Counter 0 Update oe eo Update Missed Trigger Counter 0 Update Reset r Average Value I Status Line 30 Update Figure 7 2 MV D1024E 40 exposure panel Exposure Exposure time ms Configure the exposure time in milliseconds Constant Frame Rate When the Constant Frame Rate CFR is switched on the frame rate number of frames per second can be varied from almost 0 up to the maximum frame rate Thus fewer images can be acquired than would otherwise be possible When Constant Frame Rate is switched off the camera delivers images as fast as possible depending on the exposure time and the read out time Frame time ms Configure the frame time in milliseconds Only available if Constant Frame Rate is enabled The minimum frame time depends on the exposure time and readout time Information The Information properties provide information about the acquired images Image Counter The image counter is a 24 bit real time counter and is incremented by 1 for every new image Missed Trigger Counter This is a counter for trigger pulses that were blocked because the trigger pulse was received during image exposure or readout In free running mode it counts all pulses received from interface trigger or from I O trigger interface Status Line The status line replaces the last line of an
25. 3 3 Product Specification 3 3 Technical Specification Technology Scanning system MV D1024E Series CMOS active pixel progressive scan Optical format diagonal 1 15 42 mm Resolution Pixel size 1024 x 1024 pixels 10 6 um x 10 6 um Active optical area Random noise 10 9 mm x 10 9 mm lt 0 5 DN RMS 8 bit gain 1 Fixed pattern noise FPN lt 1 DN RMS 8 bit gain 1 offset correction on Dark current Full well capacity 2 fA pixel 30 C 200 ke Spectral range 400 nm 900 nm Responsivity Optical fill factor 120 x 10 DN J m 610 nm 8 bit gain 1 35 Dynamic range Colour format up to 120 dB with LinLog monochrome Characteristic curve Linear LinLog Skimming Shutter mode Min Region of Interest ROI global shutter 1 row x 9 columns Greyscale Resolution Digital Gain 12 bit 10 bit 8 bit x1 x2 x4 Exposure Time 10 us 0 41 s Table 3 2 General specification of the MV D1024E series MV D1024E 40 MV D1024E 80 MV D1024E 160 Exposure Time Increment 25 ns 50 ns 25 ns Frame Rate Tin 10 us 37 fps 75 fps 150 fps Pixel Clock Frequency 40 MHz 40 MHz 80 MHz Pixel Clock Cycle 25 ns 50 ns 25 ns Camera Taps 1 2 2 Readout mode sequent integration sequent integration sequent integration and readout and readout or simult readout
26. 3 Pixel Response 25 T1 840 T1 920 T1 960 T1 980 T1 999 4 Functionality Typical LinLog2 Response Curve Varying Parameter Time1 Time2 1000 Value1 19 Value2 18 200 T T T T 180 1604 4 Z A 140 4 5 o 120 ES 100 Ti 880 7 lt T1 900 T1 920 80F Ti 940 7 T1 960 2 60 T1 980 5 Ti 1000 O 40 LR E ORE E E E E A E E E RR E E ET EE E RARA E E EE E EE EEE E Gr EE EE E E ETE 20 E DEERE EEEE EEE E E EN RS RR RR bs RN Ble ai RN 0 Illumination Intensity Figure 4 13 Response curve for different LinLog settings in LinLog2 mode LinLog3 To enable more flexibility the LinLog3 mode with 4 parameters was introduced Fig 4 14 shows the timing diagram for the LinLog3 mode and the control parameters V LinLog Value1 Value2 Value3 Constant 0 Time1 Time2 tap Figure 4 14 Voltage switching in the Linlog3 mode 26 Typical LinLog2 Response Curve Varying Parameter Time2 Time1 850 Value1 19 Value2 18 300 T T T T T 250 F _ T2 950 T2 960 Z T2 970 a T2 980 200 T2 990 a E 3 150 gt 2 D 5 100 o 5 O 50 J 0 Illumination Intensity Figure 4 15 Response curve for different LinLog settings in LinLog3 mode 4 3 3 Skimming Skimming is a Photonfocus proprietary technology to enhance detail in dark areas of an image Skimming provi
27. 4 34 Trigger Inputs 4 6 2 Trigger Mode Depending on the trigger mode the exposure time can be determined either by the camera or by the trigger signal itself 4 6 External Trigger 41 4 Functionality Camera controlled Exposure In this trigger mode the exposure time is defined by the camera For an active high trigger signal the camera starts the exposure with a positive trigger edge and stops it when the preprogrammed exposure time has elapsed The exposure time is defined by the software Level controlled Exposure In this trigger mode the exposure time is defined by the pulse width of the trigger pulse For an active high trigger signal the camera starts the exposure with the positive edge of the trigger signal and stops it with the negative edge lt gt Level controlled Exposure is not available in simultaneous readout mode Figure gives an overview over the available trigger modes The signal ExSync stands for the trigger signal which is provided either through the interface or the I O trigger For more information and the respective timing diagrams see Section 5 4 Polarity Active High Polarity Active Low Exposure Start Exposure Stop Exposure Start Exposure Stop Camera controlled UN ExSync Camera E ExSync Camera exposure Level controlled ExSync Y ExSync Y ExSync ExSync exposure XK Rising Edge Y Falling Edge Figure 4 35 Trigger Inputs 4 6 3 Trigger Delay Programmable delay in mill
28. Click again on the Validation button and then on the Set Black Ref Button 74 If only offset and hot pixel correction is needed it is not necessary to calibrate a grey image see Calculate 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 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 between 2200 and 3600DN Click on the Validation button to check the average If the average 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 7 1 MV D1024E 40 and BL1 D1024E 40 75 7 Graphical User Interface GUI 7 1 7 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 E Exposure Window Trigger Data Output Characteristics Correction Info Reset Typecode 130 Store as defaults Setiak 83 Settings file FPGA Revision Rev 22 buld 0 g E uC Revision Factory Reset Interface r Frame Rate fps Update r Average Val
29. Corrected Image 4 5 1 Region of Interest ROI 4 5 2 Multiple Regions of Interest 4 6 1 Trigger Source 4 6 2 Trigger Mode CONTENTS 4 2 4 4 CONTENTS 4 6 3 Trigger Delayl o e eee 42 es gee avis an edb E A A A E 42 e aa eee be as 42 45 5 1 CONNECTONS z fu ee ke a SR Ae ae ee ew eae Ge a 45 5 1 1 CameraLink Connector for CameraLink Camera Models 45 5 1 2 Power Supply for CameraLink Camera Models 45 5 1 3 CameraLink Connector for PoCL Camera Models 46 5 1 4 Power Supply for PoCL Camera Models o o 47 A O O NO 47 E cd ete ae ait Se ade ae on 48 A RR Gat ana ee BAG battens Sig ap Seg cee 48 5 3 Read out Timing oaaae ee 50 5 3 1 Free running Mode e 50 5 3 2 Constant Frame Rate Mode CFR o 52 AAA A E Se ele I Po at ed dw 54 5 4 1 Trigger Modes nanana aaa 54 5 4 2 Trigger Delay aa 56 6 The PFRemote Control Tool 59 a a Ses tes caver pidas ir a or eye Ea 59 6 1 1 CameraLink Model 59 6 1 2 USB2 0Modell a 59 a o alae Vou Gt amp A a ees end ace eee eo A 60 6 3 Installation Notes a 60 6 3 1 Manual Driver Installation only USB 2 0 Model 61 6 3 2 DLL Dependencies o e
30. ES For the MV D1024E 40 U2 and the BL1 D1024E 40 U2 cameras W x Htot gt 1024 68 7 1 3 Trigger This tab contains trigger and strobe settings xi Exposure Window Trigger Data Output Characteristics Correction Into ace Trigger Store as defaults r Settings file ul Factory Reset r Frame Rate fps 27 45 r Strobe Update Strobe Delay ms 0 000000 Update Strobe Pulse Width ms 1 000000 Average Value 307 J Strobe signal active low p Update Figure 7 4 MV D1024E 40 trigger panel Trigger Trigger Source 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 power supply connector Exposure time defined by Camera The exposure time is defined by the property ExposureTime Trigger Pulse Width The exposure time is defined by the pulse width of the trigger signal level controlled exposure ee This property disables LinLog Further trigger settings Trigger Delay Programmable delay in milliseconds between the incoming trigger edge and the start of the exposure Trigger signal active low Define the trigger signal to be active high default or active low 7 1 MV D1024E 40 and BL1 D1024E 40 69 7 Graphical User Inte
31. R_USB DLL Interface to USB port More information about these DLLs is available in the SDK documentation SW002 6 3 Installation Notes 61 6 The PFRemote Control Tool 6 4 Graphical User Interface GUI PFRemote consists of 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 6 4 1 Port Browser On start PFRemote displays a list of available communication ports in the main window olx File Help BitFlow Inc Coreco Imaging National Instruments 2 2 0 8 clser dll at PFRemote directory USB E RS 232 Figure 6 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 docu
32. a way that the lt gt 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 32 4 4 Image Correction 4 4 1 Overview The MV D1024E and the MV D752E camera series 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 gt Since the correction is performed in hardware there is no performance limita tion 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 correction work on a pixel per pixel basis i e every pixel is corrected separately For the correction a black reference and a grey
33. aces the value of a hot pixel by an average of its neighbour pixels see Fig 4 27 34 vv hot p Prat Prot pixel 2 Dns Pr Ph Figure 4 27 Hot pixel interpolation 4 4 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 bigger 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 4 4 2 Oy 0d NS a ea Ma 1 i j w 1 lu average AA 7 112 0 0 109 1 110 a 3 B je fale 1212081 reference s picture 1 0 2 j 0 9 1 1 q P ELC 1r grey reference offset correction gain correction picture matrix matrix Figure 4 28 Gain Correction D Gain
34. age data trigger signals and power 46 5 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 insulated wire for power feeding 12V DC The remaining two drain wires are used as is for power return and shield gt 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 5 1 5 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 5 2 to STROBE_VDD 5 15 V DC as shown in Fig 5 3 This resistor should be located directly at the signal receiver Vtrigger 5 15 V DC TRIGGER Vstrobe 5 15V DC STROBE_VDD Ji STROBE SIGNAL_GROUND Figure 5 3 Circuit for the trigger input and strobe output signals 5 1 Connectors 47 5 Hardware Interface The maximum sink current of the STROBE pin is 8 mA Do not c
35. ages 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 50 pek MN A A Frame Time SHUTTER l l Exposure Exposure Time Time HA m m m CPRE Linepause Linepause Linepause CPRE First Line Last Line DVAL Figure 5 6 Timing diagram simultaneous readout mode readout time gt exposure time PCLK Frame Time SHUTTER l AA H Exposure Time ds IN RU E CA AAA c l s CPRE Linepause Linepause Linepause CPRE LVAL A 0 0 O O L 0 e O O First Line Last Line DVAL Figure 5 7 Timing diagram simultaneous readout mode readout time lt exposure time 5 3 Read out Timing 51 5 Hardware Interface Frame time Exposure time PCLK Frame time is the inverse of frame rate Period during which the 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 whole 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
36. ard 10 Start the camera software PFRemote and choose the communication port ETE v 0 10246 160 clo sy seriat ss2s File Help E Potts Exposure Window Trigger Data Output Characteristics E BitFlow Inc r Exposure E Coreco Imaging E National Instruments Exposure time ms 10 000 E clser dll at PFRemote directory MV D1024E 160 cil 5 I Constant Frame Rate USB E RS 232 Frame time ms 16 657 m Information 16 25 26 Opening device on port cl0 4 Image Counter 985682 Update 16 25 26 Device opened on port clO 4 E Update Missed Trigger Counter 0 Update I Status Line Figure 2 4 PFRemote start window 11 Check the status LED on the rear of the camera Q 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 Product Specification 3 1 Introduction The MV D1024E CMOS camera from Photonfocus is aimed at demanding applications in industrial image processing It provides an exceptionally high dynamic range of up to 120 dB at a resolution of 1024 x 1024 pixels The cameras are built around a monochrome CMOS image sensor developed by Photonfocus The principal advantages are Low power consumption at high speeds Resistance to blooming
37. ause the trigger pulse was received during image exposure or readout In free running mode it counts all pulses received from interface trigger or from I O trigger interface Status Line The status line replaces the last line of an image with image information To update the value of the information properties click on the Update Button to reset the properties click on the Reset Button 78 7 2 2 Window This tab contains ROI multi ROI and decimation settings MY D1024E 160 clO 4 Serial 4425 xj Exposure Window Trigger Data Output Characteristics Correction Info isa r Region of interest Multi ROI Note When MROI is enabled Store as defaults x fo w fos RO settings can not be changed Settings file yp n froze T EnableMROI MROLO y ala Set to max ROI lo y fio24 Y al H e Factory Reset r Decimation H total fos r Frame Rate fps Decimation 1 H ae 99 27 Update r Average Value 2859 Update Figure 7 12 MV D1024E 160 window panel 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 Decimation Decimatio
38. d 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 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 64 Graphical User Interface GUI 7 1 MV D1024E 40 and BL1 D1024E 40 This section describes the parameters of the following cameras MV D1024E 40 CL CameraLink interface MV D1024E 40 U2 USB interface BL1 D1024E 40 CL CameraLink interface BL1 D1024E 40 U2 USB interface The following sections are grouped according to the tabs in the configuration dialog Frame Rate fps FEG Update Average Value 1356 Update Figure 7 1 MV D1024E 40 frame rate and average value Frame Rate fps Shows the actual frame rate of the camera in frames per second Update To update the value of the frame rate click on this button Average Value Greyscale average of the actual image This value is in 12 bit 0 4095 Update To update the value of the average click on this button 65 7 Graphical User Interface GUI 7 1 1 Exposure This tab contains exposure settings x Exposure Window Trigger Data Output Characteristics Correction Info Reset Exposure Store as defaults Exposure
39. des an adjustable level of in pixel gain for low signal levels It can be used together with LinLog to give a smooth monotonic transfer function from high gain at low levels through normal linear operation to logarithmic compression for high signal levels see Fig 4 16 The resulting response is similar to a gamma correction Grey Value Saturation 100 Ld e E o Linear Response Skimming Light Intensity Figure 4 16 Response curve for different skimming settings 4 3 Pixel Response 27 4 Functionality 4 3 4 Grey Level Transformation LUT Grey level transformation is remapping of the grey level values of an input image to new values The look up table LUT is used to convert the greyscale value of each pixel in an image into another grey value It is typically used to implement a transfer curve for contrast expansion The camera performs a 10 to 8 bit mapping so that 1024 input grey levels can be mapped to 256 output grey levels The use of the three available modes is explained in the next sections C The output grey level resolution of the look up table independent of gain gamma or user definded mode is always 8 bit CS There are 2 predefined functions which generate a look up table and transfer it to the camera For other transfer functions the user can define his own LUT file Gain The Gain mode performs a digital linear amplification see Fig 4 17 It is configurable in the range from 1 0 to
40. direction transfers every pixel of a row but uses the CameraLink DVAL data valid signal to indicate which pixels to mask Please consult the documentation of your frame grabber on how to configure the frame grabber such that it interpretes the DVAL signal Enable X Enable decimation in x direction 7 1 MV D1024E 40 and BL1 D1024E 40 67 7 Graphical User Interface GUI Enable Y Enable decimation in y direction Value Decimation factor Example Value 4 reads every fourth row and fourth column respectively only Multi ROI The MV D1024E 40 cameras can handle up to 16 different regions of interest The multiple ROIs are joined together and form a single image which is transferred to the frame grabber An ROI is defined by its starting value in y direction and its height The width and the horizontal offset are specified by X and W settings The maximum frame rate in MROI mode depends on the number of rows and columns being read out Overlapping ROls are allowed and the total height may exceed 1024 rows Enable MROI Enable MROI If MROI is enabled the ROI and MROI settings cannot be changed MROI_X Select one of the MROI settings Y Y coordinate of the selected MROI If Y is set to 1023 this and all further MROI settings will be ignored H Height of the selected MROI H tot Shows the sum of all MROls as the total image height CS After changing a property always press Enter in order to make the change active
41. e A 5 I O plug 7 pole rear view of plug solder side 102 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 4 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 4 CameraLink Connector for PoCL Camera Models 103 A Pinouts PIN lO Name Description 1 PW POWER LINE 12 V 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 l P_SERTOCAM Positive LVDS Input Serial Communication to the camera 8 O N_SERTOFG Negative LVDS Output Serial Co
42. 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 4 2 shows the maximum values of the correction matrices i e the error range that the offset and gain algorithm can correct 36 1 al v 1 l v 12 010 09 1 1 0 2 1 1 e 1212081 110 2 l 09 11 11 pba Woe current image offset correction gain correction corrected image matrix matrix Figure 4 30 Corrected image minimum maximum Offset correction 508 DN 12 bit 508 DN 12 bit Gain correction 0 42 2 67 Table 4 2 Offset and gain correction ranges 4 5 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 4 5 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 interest 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 4 31 give
43. eadout is best choice for highest framerate O Skimming is not supported in simultaneous readout mode 4 1 4 Constant Frame Rate CFR When the CFR mode is switched on the frame rate number of frames per second can be varied from almost 0 up to the maximum frame rate Thus fewer images can be acquired than would otherwise be possible When Constant Frame Rate is switched off the camera delivers images as fast as possible depending on the exposure time and the read out time See Section B 3 2 for more information Constant Frame Rate mode CFR is not available together with external trigger mode 4 1 Image Acquisition 21 4 Functionality 4 2 Image Information There are camera properties available that give information about the acquired images such as an image counter average image value and the number of missed trigger signals These properties can be queried by software Alternatively a status line within the image data can be switched on that contains all the available image information 4 2 1 Counters and Average Value Image counter The image counter provides a sequential number of every image that is output After camera startup the counter counts up from 0 counter width 24 bit The counter can be reset by the camera control software Missed trigger counter The missed trigger counter counts trigger pulses that were ignored by the camera because they occurred within the exposure or read out time of an image In fr
44. ectory mv_d1024e_80_lut txt or mv_d1024e_160_lut txt Save File Save LUT from camera into a file It is also possible to load a user LUT file with missing input values LUT addresses Then only pixel values corresponding to listed LUT entries will be overwritten Example of a user defined LUT file 0 0 0 1 1 1 1 2 2 2 2 3 12 3 3 3 4 4 4 4 5 5 5 5 6 6 6 oil Ln1 Col y Figure 7 15 Example of a user defined LUT file 84 7 2 5 Characteristics This tab contains LinLog and Skimming settings MY D1024E 160 X64 CL_iPro_1_Serial_0 1 Serial 4425 xj Exposure Window Trigger Data Output Characteristics Correction Info Beier Lin ea Store as defaults LinLog mode e r Settings file Valuel fs Les compression 2 E High compression Value2 17 User defined Factory Reset Skimming Black Level Offset peel Ems 60 00 0 m 3450 o Update Simultaneous readout Interleave L J Simultaneous readout Interleave Average Value Note For limitation of the simultaneous readout mode please refer to the manual ross ombination of Interleave and Skim is not available terle il Combination of Interleave and LevelControlled trigger is not available Update Figure 7 16 MV D1024E 160 characteristics panel LinLog The LinLog technology from Photonfocus allows a logarithmic compression of high light intensities In contrast to the classica
45. ee running mode it counts all incoming external triggers counter width 8 bit no wrap around Average image value The average image value gives the average of an image in 12 bit format 0 4095 DN regardless of the currently used grey level resolution 4 2 2 Status Line If enabled the status line replaces the last row of the image with image information It contains the properties described above and additional information Preamble The first parameter contains a constant value of OxSSAAOOFF as a preamble in order to allow the image processing system to easily recognise the beginning of the status line Image counter See Section 4 2 1 Time counter The time counter starts at O after camera start and counts real time in units of 1 micro second The time counter can be reset by the software in the SDK Counter width 32 bit Missed trigger counter See Section 4 2 1 Average image value See Section 4 2 1 Exposure cycles The exposure cycles parameter outputs the current exposure time in units of clock cycles see Table 8 1 Every parameter is coded into 4 pixels LSB first and uses the lower 8 bits of the pixel value so that the total size of a parameter is 32 bit The remaining pixels 24 1024 are set to 0 LSB MSB Pixel 00 7 12 13 4 05 16 17 8 9 0014 1218014015 16 17 118 119 20021 122 123 I I I I I I I I I I I I I I I j j I Parameter Preamble Missed Trigger Image Average Name 0x55AA00FF Image Counter Time Coun
46. esets will be deleted a Update Please refer to the manual for more details about the correction modes Figure 7 8 MV D1024E 40 correction panel Correction Mode This 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 Reference Image Output the black reference image that is currently stored in the camera RAM for debugging reasons Grey Reference Image Output the grey reference image that is currently stored in the camera RAM for debugging reasons 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 to panel Charateristics and change the Property BlackLevel0ffset until the average of the image is between 160 and 400DN
47. est image Values of pixel are incremented by 1 starting at each row The pattern depends on the grey level resolution LUT Look Up Table a 10 to 8 bit mapping of grey levels Resolution 8 Bit Grey level resolution of 8 bit 10 Bit Grey level resolution of 10 bit 12 Bit Grey level resolution of 12 bit Digital Gain 1x No digital gain normal mode 2x Digital gain 2 4x Digital gain 4 7 2 MV D1024E 80 MV D1024E 160 BL1 D1024E 80 and BL1 D1024E 160 83 7 Graphical User Interface GUI Look Up Table Grey level transformation is remapping of the grey level values of an input image to new values which transform the image in some way The look up table LUT is used to convert the greyscale value of each pixel in an image into another grey value It is typically used to implement a transfer curve for contrast expansion The MV D1024E 80 and the MV D1024E 160 camera performs a 10 to 8 bit mapping so that 1024 input grey levels can be mapped to 256 output grey levels 0 to 1023 and 0 to 255 The default LUT is a gain function with value 1 Lut Mode Gain Linear function Y 255 1023 value X Valid range for value 1 4 Gamma Gamma function Y 255 10234value X value Valid range for value 0 4 4 value Enter a value The LUT will be calculated and downloaded to the camera Load File Load a user defined LUT file into the camera txt tab delimited There is an example in the PFRemote dir
48. f 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 Po MV D1024E 40 MV D1024E 80 MV D1024E 160 Sequential readout available available available Simultaneous readout available available Table 4 1 Readout mode of MV D1024E 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 f fps Simultaneous gt readout mode Sa Sequential 0 Pe readout mode fcc fps 1 readout time exposure time exposure time lt readout time exposure time gt readout time A Exposure time exposure time readout time Figure 4 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 19 4 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
49. gnal to indicate which pixels to mask see 4 33 Therefore it cannot be used to increase the frame rate Ce The MV D1024E 80 and MV D1024E 160 cameras do not support decimation in x direction C Please consult the documentation of your frame grabber on how to configure the frame grabber such that it interprets the DVAL signal 40 PCLK FVAL LVAL DATA v Data is valid Decimation x direction nv Data is not valid Figure 4 33 Decimation in x direction uses the CameraLink DVAL signal 4 6 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 The camera property Counter MissedTrigger stores the number of trigger events which where ignored 4 6 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 1 O Trigger In the I O trigger mode the trigger signal is applied directly to the camera by the power supply connector over an optocoupler Any Trigger Source Interface Trigger Any Trigger I O Trigger Source Figure
50. he quality of your complete imaging system enable the LFSR mode and check the histogram If your frame grabber application does not provide a real time histogram store the image and use a graphics software to display the histogram In the LFSR linear feedback shift register mode the camera generates a constant test pattern containing all gray levels If the data transmission is error free the histogram of the received LFSR test pattern will be flat Fig 4 23 On the other hand a non flat histogram Fig indicates problems that may be caused either by the cable the connectors or the frame grabber O A possible origin of failure message can be caused by the CameraLink cable which exceeds the maximum length or suffers from severe electromagnetic in terference gt Some CameraLink cable have predefined direction lt gt The LFSR test works only for an image width of 1024 otherwise the histogram will not be flat 4 3 Pixel Response 31 4 Functionality M Histogramm Port A Picture 620 M Histogramm Port A Picture 620 Port A Picture 620 127 255 Figure 4 23 LFSR test pattern received at the frame grabber and typical histogram for error free data transmission M Histogramm Port A Picture 440 Port A Picture 440 Mi shih why I Figure 4 24 LFSR test pattern received at the frame grabber and histogram containing transmission errors CameraLink cables contain wire pairs which are twisted in such
51. ide Exposure time idle Exposure time e CFR off Readout time Readout time gt Frame time Frame time idle al Exposure time idle ofr Exposure time time time ERE ES N a f CFR on Readout time nea Readout time T time time Frame time Frame time Figure 5 9 Constant Frame Rate with simultaneous readout mode readout time gt exposure time CFR off CFR on N Exposure time A Readout time idle Exposure time reine Y ide gt Frame time Frame time fi gt fi by T Exposure time S r Exposure time time time N a fi cfr cfr Readout time time 1 dle Readout time time 18 e Frame time Frame time Figure 5 10 Constant Frame Rate with simultaneous readout mode readout time lt exposure time 5 3 Read out Timing 53 5 Hardware Interface 5 4 Trigger 5 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 4 6 The other signals are explained in Table 5 5 Camera controlled Exposure In the camera controlled trigger mode the exposure is defined by the camera and is configurable by software For an active high trigger signal the image acquisition begins with the rising edge of the trigger signal The
52. 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 5 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 5 11 indicates the active integration phase of the sensor and is shown for clarity only EXSYNC Frame Time SHUTTER l Exposure Time FVAL i u 7 A HH m a CPRE Linepause Linepause Linepause LVAL A T y a FA First Line Last Line DVAL Figure 5 11 Trigger timing diagram for camera controlled exposure 54 Level controlled Exposure In the level controlled trigger mode the exposure time is defined by the pulse width of the external trigger signal For an active high trigger signal the image acquisition begins with the rising edge and stops with the falling edge of the external trigger signal Then the image is read out After that the sensor returns to the idle state and the camera waits for a new trigger pulse see Fig 5 12 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 5 12Jindicates the active integration phase of the sensor and is shown for clarity only SE Level controlled exposure is supported in simultaneous readout mode
53. ings M D1024E 160 cl0 4 Serial 4425 xj Exposure Window Trigger Data Output Characteristics Correction Info Reset Exposure Store as defaults Exposure time ms 10 000 f Settings file al Factory Reset Frame Rate 1 I Constant Frame Rate Frame time ms 10 073 Information Image Counter 81810 Update Reset 99 2 Update Missed Trigger Counter 0 Update Reset r Average Value I Status Line pss Update Figure 7 11 MV D1024E 160 exposure panel Exposure Exposure time ms Configure the exposure time in milliseconds Constant Frame Rate When the Constant Frame Rate CFR is switched on the frame rate number of frames per second can be varied from almost 0 up to the maximum frame rate Thus fewer images can be acquired than would otherwise be possible When Constant Frame Rate is switched off the camera delivers images as fast as possible depending on the exposure time and the read out time Frame time ms Configure the frame time in milliseconds Only available if Constant Frame Rate is enabled The minimum frame time depends on the exposure time and readout time Information The Information properties provide information about the acquired images Image Counter The image counter is a 24 bit real time counter and is incremented by 1 for every new image Missed Trigger Counter This is a counter for trigger pulses that were blocked bec
54. ion can be achieved with the LinLog technology At low intensities each pixel shows a linear response At high intensities the response changes to logarithmic compression see Fig 4 8 The transition region between linear and logarithmic response can be smoothly adjusted by software and is continuously differentiable and monotonic Grey Value 100 Linear Weak compression Response Resulting Linlog Response 0 Value2 Light Intensity Figure 4 8 Resulting LinLog2 response curve 4 3 Pixel Response 23 4 Functionality LinLog is controlled by up to 4 parameters Timel Time2 Valuel and Value2 Valuel and Value2 correspond to the LinLog voltage that is applied to the sensor The higher the parameters Valuel and Value2 respectively the stronger the compression for the high light intensities Timel and Time2 are normalised to the exposure time They can be set to a maximum value of 1000 which corresponds to the exposure time Examples in the following sections illustrate the LinLog feature LinLog1 In the simplest way the pixels are operated with a constant LinLog voltage which defines the knee point of the transition This procedure has the drawback that the linear response curve changes directly to a logarithmic curve leading to a poor grey resolution in the logarithmic region see Fig 4 10 V LinLog i JE Value1 Value2 0 Time1 Time2 max t 1000 Figure 4 9 Constant LinLog voltage in the Lin
55. iseconds between the incoming trigger edge and the start of the exposure This feature may be required to synchronize to external strobe with the exposure of the camera 4 7 Strobe Output The strobe output is an opto isolated output located on the power supply connector that can be used to trigger a strobe The strobe output can be used both in free running and in trigger mode There is a programmable delay available to adjust the strobe pulse to your application C The strobe output needs a separate power supply Please see Section for more information 4 8 Configuration Interface CameraLink 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 and 42 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 CameraLink CC Signals Serial Interface Figure 4 36 CameraLink serial interface for camera communication 4 8 Configuration Interface CameraLink 43 4 Functionality 44 Hardware Interface 5 1 Connectors 5 1 1 CameraLink Connector for CameraLink Camera Models The CameraLink cameras are interfaced t
56. l 4425 xj Exposure Window Trigger Data Output Characteristics Correction Info Reset Correction Mode r Calibration St default C Of Offset FPN Hotpixel Gain Correction _ Store as defaults C Ofset conectan p Settings fle c Produce a black image with Produce a grey image with F dress come 160DN lt average lt 400DN 2200DN lt average lt 3600DN Hotpixel 12Bit 12Bit C Offset Gain idati lidati Offset Gain Hotpixel Validation Validation Factory Reset C Black Reference Image Get Black A e eee tay r Frame Rate fps C Grey Reference Image pz Calculate Correction 3 sec Update Save to Flash 55 sec r Average Value WARNING fess 3 The factory presets will be deleted pss Update Please refer to the manual for more details about the correction modes Figure 7 17 MV D1024E 160 correction panel Correction Mode This 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 Reference Image Output the black reference image that is currently stored in the camera RAM for debugging reasons Grey Reference Image Output
57. l non integrating logarithmic pixel the LinLog pixel is an integrating pixel with global shutter and the possibility to control the transition between linear and logarithmic mode Section 4 3 2 There are 3 predefined LinLog settings available Alternatively custom settings can be defined in the User defined Mode LinLog Mode Off LinLog is disabled Low Normal High compression Three LinLog presettings User defined Valuel Timel Value2 and Time2 The Linlog times are per thousand of the exposure time Time 800 means 80 of the exposure time Skimming Skimming is a Photonfocus proprietary technology to enhance detail in dark areas of an image Skimming Skimming value If 0 Skimming is disabled See Section 4 3 3 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 Simultaneous readout Interleave The simultaneous readout mode allows higher frame rate Simultaneous readout Interleave Enable the simultaneous readout mode Combination of property Trigger Interleave and property Skim is not avail E able Combination of property Trigger Interleave and property Trig ger LevelControlled is not available 7 2 MV D1024E 80 MV D1024E 160 BL1 D1024E 80 and BL1 D1024E 160 85 7 Graphical User Interface GUI 7 2 6 Correction This tab contains correction settings MY D1024E 160 clO 4 Seria
58. log1 mode Typical LinLogi Response Curve Varying Parameter Value1 Time1 1000 Time2 1000 Value2 Value1 300 T T T T T 250 F J 200 150 100 Output grey level 8 bit DN 50 0 i Illumination Intensity Figure 4 10 Response curve for different LinLog settings in LinLog1 mode 24 V1 15 Vi 16 V1 17 Vi 18 Vi 19 LinLog2 To get more grey resolution in the LinLog mode the LinLog2 procedure was developed In LinLog2 mode a switching between two different logarithmic compressions occurs during the exposure time see Fig 4 11 The exposure starts with strong compression with a high LinLog voltage Valuel At Timel the LinLog voltage is switched to a lower voltage resulting in a weaker compression This procedure gives a LinLog response curve with more grey resolution Fig and Fig show how the response curve is controlled by the three parameters Valuel Value and the LinLog time Timel CE Settings in LinLog2 mode enable a fine tuning of the slope in the logarithmic region LinLog exp Value1 Value2 PI 0 Time1 Time2 max t 1000 Figure 4 11 Voltage switching in the Linlog2 mode Typical LinLog2 Response Curve Varying Parameter Time1 Time2 1000 Value1 19 Value2 14 300 T T T T 250 200 150 100 Output grey level 8 bit DN 50 A Illumination Intensity Figure 4 12 Response curve for different LinLog settings in LinLog2 mode 4
59. mentation 62 6 4 2 Ports Device initialization After starting PFRemote the main window as shown in Fig 6 3 will appear In the PortBrowser in the upper left corner you will see a list of supported ports gt Depending on the configuration your port names may differ and not every port may be functional gt 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 O 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 O 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
60. mera 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 5 4 for the CC assignment Pixel clock The pixel clock is generated on the camera and is provided to the frame grabber for synchronisation 48 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 and is not used CC4 CTRL2 Control2 This signal is reserved for future purposes and is not used Table 5 4 Summary of the Camera Control CC signals as used by Photonfocus 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 4 8 for more information a Image data E VAL LVAL DVAL Pixel Clock CameraLink CC Signals CameraLink Serial Interface Figure 5 4 1 tap CameraLink system The frame grabber needs
61. mmunication from the camera 9 l N_CC1 Negative LVDS Input Camera Control 1 CC1 10 l 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 l P_CC1 Positive LVDS Input Camera Control 1 CC1 23 l N_CC2 Negative LVDS Input Camera Control 2 CC2 24 P_CC3 Positive LVDS Input Camera Control 3 CC3 25 l N_CC4 Negative LVDS Input Camera Control 4 CC4 26 PW POWER LINE 12 V DC S PW SHIELD Shield Table A 6 Pinout PoCL connector 104 Revision History Revision Date Changes 1 0 August 2005 First release 1 1 October 2005 Removed USB model separated into new manual 1 11 February 2006 Updated frame rate formula 1 17 February 2007 MV D1024E 80 160 included rename of Hurricane 1 3 March 2008 Update of conformity statement 1 4 July 2008 Included new QE data of A1024B CMOS image sensor a
62. n reduces the number of pixels in y direction Decimation can also be used together with a ROI or MROI Decimation in y direction transfers every n th row only and directly results in reduced read out time and higher frame rate respectively Decimation Y Decimation value for y direction Example Value 4 reads every fourth row only Multi ROI The MV D1024E 80 and MV D1024E 160 cameras can handle up to 16 different regions of interest The multiple ROls are joined together and form a single image which is transferred to the frame grabber An ROI is defined by its starting value in y direction and its height The width and the horizontal offset are specified by X and W settings The maximum frame rate in 7 2 MV D1024E 80 MV D1024E 160 BL1 D1024E 80 and BL1 D1024E 160 79 7 Graphical User Interface GUI MROI mode depends on the number of rows and columns being read out Overlapping ROls are allowed and the total height may exceed 1024 rows Enable MROI Enable MROI If MROI is enabled the ROI and MROI settings cannot be changed MROI_X Select one of the MROI settings Y Y coordinate of the selected MROI If Y is set to 1023 this and all further MROI settings will be ignored H Height of the selected MROI H tot Shows the sum of all MROls as the total image height SE After changing a property always press Enter in order to make the change active 80 7 2 3 Trigger This tab contains trigger and strobe settings
63. nd added description of PoCL interface 105
64. nent 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 7 2 MV D1024E 80 MV D1024E 160 BL1 D1024E 80 and BL1 D1024E 160 87 7 Graphical User Interface GUI 7 2 7 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 x Exposure Window Trigger Data Output Characteristics Correction Info Reset Typecode 132 Store as defaults Serial 4425 FPGA Sensor Revision Re Settings file ul Factory Reset r Frame Rate fps Update Average Value re Update FPGA ADC Revision uC Revision Interface Figure 7 18 MV D1024E 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 88 Mechanical and Optical Considerations 8 1 Mechanical Interface for CameraLink Camera Models The general mechanical data of
65. ner 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 I N_SERTOCAM Negative LVDS Input Serial Communication to the camera 21 O P_SERTOFG Positive LVDS Output Serial Communication from the camera 22 l P_CC1 Positive LVDS Input Camera Control 1 CC1 23 l N_CC2 Negative LVDS Input Camera Control 2 CC2 24 l P_CC3 Positive LVDS Input Camera Control 3 CC3 25 l 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 101 A Pinouts A 3 1 0 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 3 1 I O Connector Table A 4 summarizes 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 Figur
66. ng materials are given in Table 8 3 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 4 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 8 3 Optical Interface 91 8 Mechanical and Optical Considerations Iso Propanol Germany Table 8 3 Recommended materials for sensor cleaning Product Supplier Remark EAD400D Airduster Electrolube UK 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
67. nk Connector for CameraLink Camera Models A 3 I O Connector for POCL Camera Models A 3 1 MO Connector o A 4 CameraLink Connector for PoCL Camera Models 9 B Revision History CONTENTS 97 99 99 99 100 102 102 103 105 CONTENTS Preface 1 1 About Photonfocus The Swiss company Photonfocus is one of the leading specialists in the development 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 Ph
68. o 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 5 1 shows the plugs and the status LED which indicates camera operation Power Supply Connector CameraLink Connector Status LED f Figure 5 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 Section A This connector is used to transmit configuration image data and trigger signals 5 1 2 Power Supply for CameraLink Camera Models The camera requires a single voltage input see Table 3 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 gt A suitable power supply is available from Photonfocus For further details including the pinout please refer to Section A 45 5 Hardware Interface 5 1 3 CameraLink Connector for PoCL Camera Models With the definition of the PoCL interface the target was to maintain the backward compatibility with the
69. ode LinLog Mode Off LinLog is disabled Low Normal High compression Three LinLog presettings User defined Valuel Timel Value2 and Time please read the User Manual for a more detailled explanation The Linlog times are per thousand of the exposure time Time 800 means 80 of the exposure time Skimming Skimming is a Photonfocus proprietary technology to enhance detail in dark areas of an image Skimming Skimming value If 0 Skimming is disabled See Section 4 3 3 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 7 1 MV D1024E 40 and BL1 D1024E 40 73 7 Graphical User Interface GUI 7 1 6 Correction This tab contains correction settings x Exposure Window Trigger Data Output Characteristics Correction Info Reset Correction Mode m Calibration St default C Of Offset FPN Hotpixel Gain Correction _ Store as defaults C Offset Comection p Settings fle Produce a black image with Produce a grey image with Pr 160DN lt average lt 400DN 2200DN lt average lt 3600DN 12Bit 12Bit C Offset Gain idati lidati Offset Gain Hotpixel Validation Validation Factory Reset C Black Reference Image Get Black A e eee tay r Frame Rate fps C Grey Reference Image 27 45 Calculate Correction 3 sec Update Save to Flash 55 sec r Average Value The factory pr
70. of pixel are incremented by 1 starting at each row The pattern depends on the grey level resolution LUT Look Up Table a 10 to 8 bit mapping of grey levels Resolution 8 Bit Grey level resolution of 8 bit 10 Bit Grey level resolution of 10 bit 12 Bit Grey level resolution of 12 bit Digital Gain 1x No digital gain normal mode 2x Digital gain 2 4x Digital gain 4 7 1 MV D1024E 40 and BL1 D1024E 40 71 7 Graphical User Interface GUI Look Up Table Grey level transformation is remapping of the grey level values of an input image to new values which transform the image in some way The look up table LUT is used to convert the greyscale value of each pixel in an image into another grey value It is typically used to implement a transfer curve for contrast expansion The MV D1024E 40 camera performs a 10 to 8 bit mapping so that 1024 input grey levels can be mapped to 256 output grey levels 0 to 1023 and 0 to 255 The default LUT is a gain function with value 1 Lut Mode Gain Linear function Y 255 1023 value X Valid range for value 1 4 Gamma Gamma function Y 255 10234value X value Valid range for value 0 4 4 value Enter a value The LUT will be calculated and downloaded to the camera Load File Load a user defined LUT file into the camera txt tab delimited There is an example in the PFRemote directory mv_d1024e_40_lut txt Save File Save LUT from camera in
71. of the exposure time and readout time The frame rate is the inverse of the frame time In the following formulars the minimum frame time is calculated When using CFR mode the frame time can get extended fps tframe Calculation of the frame time sequential mode tframe gt texp tro tproc tram Calculation of the frame time simultaneous mode tame gt MaX texp 76 pS tro 476 us tram 38 The MV D1024E 40 does not support the simultaneous readout mode tproc RAM e Urame texp tro toroc tram tnormal tcrr tren tskim tcLK taps Px Py LP tck Py L LP LP taps tNormal torr trpn tskim da tro 1375 5 texp tproc When the result of tram is negative set it to 0 frame time exposure time readout time processing time RAM refresh time constant latency constant frame rate latency only when CFR is enabled correction latency only when correction is enabled skim latency only when Skimming is enabled pixel clock CameraLink taps number of pixels in x direction number of pixels in y direction 1 for MV D1024E 80 and MV D1024E 160 line pause constant LP 8 for all models MV D1024E 40 MV D1024E 80 MV D1024E 160 texp 10 us 419 ms 10 us 838 ms 25 us 419 ms tnormal 1975 ns 2600 ns 1300 ns CFR 850 ns 0 0 tren 150 ns 0 0 tSkim 51 125 us 101 6 us 50 8 us toLk 25 ns 25 ns 12 5 ns taps 1 2 2 Py Window H
72. onnect inductive A 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 CS The recommended sink current of the TRIGGER pin is 5 mA STROBE_VDD Pull up Resistor 15V gt 3 9 kOhm 10 V gt 2 7 kOhm 8V gt 2 2 kOhm 7V gt 1 8 kOhm 5V gt 1 0 kOhm Table 5 2 Pull up resistor for strobe output and different voltage levels 5 1 6 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 5 3 Meaning of the LED of the CameraLink cameras 5 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 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 Ca
73. otonfocus 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 www photonfocus com or contact our distributors Photonfocus reserves the right to make changes to its products and documenta C 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 Photonfocus CS 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 gt 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
74. photon focus User Manual MV D1024E CameraLink Series CMOS Area Scan Cameras MANO28 07 2008 V1 4 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 Photonfocus a o oaoa e a a t2 Contaci ida ra E Bed r Gene ar de E 1 3 Sales O TICOS siria a a Ed ds Bus tar Se ayaa at dat Aww AL GAe fe fs Gina oa He arcen edly wardens Re wal ay kes 135 Lege sec a e Sih a ee y ee Be cee Sed abo ede Boe 2 How to get started CameraLink 3 Product Specification 3 1 Introduction soas maras aa a a a a a E a E GeO aa Beal ae ae Gere pad E 4 oe 4 Functionality 41 Image ACQUISITION eek a ae e A A ea a a ee 4 1 1 Readout Modes 2 2 000 ee 4 1 2 Exposure Control occ a ie eek dea ge eae ore ee Rh nah se atv es ht ey eee eee ee ee eee ee Lid ee Oba s Hahah baie de ae oe SS Image Information 4 2 2 Status Line 4 3 Pixel Response ee 4 3 1 Linear Response 432 LINO cei sa a da Gel SRE ia AA te 4 3 3 Skimming 4 3 4 Grey Level Transformation LUT 4 3 5 Test Images Image Correction 4 4 2 Offset Correction FPN Hot Pixels lt lt NN 4 4 4
75. rface GUI Strobe The camera generates a strobe output signal that can be used to trigger a strobe The delay pulse width and polarity can be defined by software To turn off strobe output set StrobePulseWidth to 0 Strobe Delay ms Delay in milliseconds from the input trigger edge to the rising edge of the strobe output signal Strobe Pulse Width ms The pulse width of the strobe trigger in milliseconds Strobe signal active low Define the strobe output to be active high default or active low 70 7 1 4 Data Output This tab contains image data settings x Exposure Window Trigger Data Output Characteristics Correction Info Reset Output Mode m Look Up T able E LUT mapping 10 to 8 Bit Store as defaults Dutput Mode za Note To enable set Dutput Mode to LUT r Settings file Resolution 8 Bit y Mode sl a Gain Gamma Digital Gain 1x hd J Gain Function Gamma Function Factory Reset y 255 1023 value x y 255 1023 value x value Fame RME tes value 1 4 value 0 4 4 pas value 1 000000 Update Load LUT from File Load File Save LUT into File Save File Average a 307 Figure 7 5 MV D1024E 40 data output panel Output Mode Output Mode 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
76. rface mode fast mode 48 MBytes sec works only with Windows XP and ServicePack 2 and an Intel Chipset 59 6 The PFRemote Control Tool 6 2 Operating System The PFRemote GUI is available for Windows OS only For Linux or QNX operating 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 6 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 Con
77. s AG June 2008 Figure 8 3 CE Compliance Statement 8 4 Compliance 93 8 Mechanical and Optical Considerations 94 Warranty The manufacturer alone reserves the right to recognize warranty claims 9 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 9 2 Warranty Claim The above warranty does not apply to any product that has been modified or al A 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 95 9 Warranty 96 10 References All referenced documents can be downloaded from our website at www photonfocus com CL CameraLink Specification Rev 1 1 January 2004 SW002 PFLib Documentation Photonfocus August 2005 ANO01 Application Note LinLog Photonfocus December 2002
78. s some possible configurations for a region of interest and Table 4 3 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 4 31 ROI configuration examples 4 5 Reduction of Image Size 37 4 Functionality ROI Dimension MV D1024E 40 MV D1024E 80 MV D1024E 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 4 3 Frame rates of different ROI settings exposure time 10 us correction off CFR off skimming off and sequential readout mode Exposure time MV D1024E 40 MV D1024E 80 MV D1024E 160 10 us 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 2 ms 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 4 4 Frame rate of different exposure times sequential readout mode simultaneous readout mode resolution 1024x1024 pixel correction off CFR off and skimming off ee Calculation of the maximum frame rate The frame rate mainly depends
79. t 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 4 4 Timing in free running simultaneous readout mode readout time gt exposure time 20 exposure n 1 exposure n exposure n 1 idle i read out n 1 idle read out n frame time Figure 4 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 event an external trigger can be used refer to Section 4 6 and Section 5 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 l p external trigger y gt earliest possible trigger Figure 4 6 Timing in triggered simultaneous readout mode 4 1 2 Exposure Control The exposure time defines the period during which the image sensor integrates the incoming light Refer to Table 8 1 for the allowed exposure time range and see Section 5 4 1 4 1 3 Maximum Frame Rate The maximum frame rate depends on the exposure time the readout scheme and the size of the image see Region of Interest Section 4 5 1 In most cases simultaneous r
80. t correction image matrix Figure 4 25 Offset correction 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 4 26 The peak in the histogram should be well below the hot pixel threshold of 1008 DN 12 bit e Camera settings such as exposure time LinLog skimming and digital gain 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 corrected image Histogram of the uncorrected black reference image T T T T T T black level offset ok gt black level offset too low z Relative number of pixels 600 800 1000 Grey level 12 Bit DN 1200 1400 1600 Figure 4 26 Histogram of a proper black reference image for offset correction Hot pixel correction Every pixel 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 repl
81. ter Counter Value Exposure Cycles Figure 4 7 Status line parameters replace the last row of the image The status line is also available when using an ROI For an ROI with a width lt 24 pixels the status line will be clipped 22 4 3 Pixel Response 4 3 1 Linear Response The camera offers a linear response between input light signal and output grey level This can be modified by the use of LinLog or Skimming as described in the following sections In addition a linear digital gain may be applied as follows Please see Table 3 2 for more model dependent information Gain x1 x2 x4 Gain x1 x2 and x4 are digital amplifications which means that the digital image data are multiplied in the camera by a factor 1 2 or 4 respectively Black Level Adjustment The black level is the average image value at no light intensity It can be adjusted by the software by changing the black level offset Thus the overall image gets brighter or darker Use a histogram to control the settings of the black level 4 3 2 LinLog Overview The LinLog technology from Photonfocus allows a logarithmic compression of high light intensities inside the pixel In contrast to the classical non integrating logarithmic pixel the LinLog pixel is an integrating pixel with global shutter and the possibility to control the transition between linear and logarithmic mode In situations involving high intrascene contrast a compression of the upper grey level reg
82. tes a strobe output signal that can be used to trigger a strobe The delay pulse width and polarity can be defined by software To turn off strobe output set StrobePulseWidth to 0 Strobe Delay ms Delay in milliseconds from the input trigger edge to the rising edge of the strobe output signal Strobe Pulse Width ms The pulse width of the strobe trigger in milliseconds Strobe signal active low Define the strobe output to be active high default or active low 82 7 2 4 Data Output This tab contains image data settings MY D1024E 160 cl0 4 Serial 4425 xl Reset Exposure Window Trigger Data Output Characteristics Correction Info Output Mode Look Up Table E LUT mapping 10 to 8 Bit Store as defaults Dutput Mode za Note To enable set Dutput Mode to LUT r Settings file Resolution 8 Bit y Mode sl a Gain Gamma Digital Gain 4x hd Gain Function Gamma Function Factory Reset y 255 1023 value x y 255 1023 value x value Frame Rate fps value 1 4 value 0 4 4 99 27 value 1 000000 Update Load LUT from File Load File Save LUT into File Save File Average Value 2859 j Figure 7 14 MV D1024E 160 data output panel Output Mode Output Mode Normal Normal mode LFSR Test image Linear feedback shift register pseudo random image The pattern depends on the grey level resolution Ramp T
83. tinue Anyway CS The procedure described above applies to Windows XP and Service pack 2 60 6 3 1 Manual Driver Installation only USB 2 0 Model If Windows did not automatically install the driver for your USB camera please 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 6 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 CLSE
84. to a file It is also possible to load a user LUT file with missing input values LUT addresses Then only pixel values corresponding to listed LUT entries will be overwritten Example of a user defined LUT file mvy_d1024e_40_lut Ext Notepal File Edit Format Yiew Help 10 x 0 0 0 1 L 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 Figure 7 6 Example of a user defined LUT file 72 7 1 5 Characteristics This tab contains LinLog and Skimming settings M D1024E 40 cl0 4 xj Exposure Window Trigger Data Output Characteristics Correction Info iia LinLo 2 Store as defaults f to Settings file Valuel 22 Low compression 5 u Factory Reset r Frame Rate fps 27 45 Update LinLog mode Normal compression h High compression User defined 9 Value2 Skimming 3 Lol Black Level Offset as y r Average Value 307 Update Figure 7 7 MV D1024E 40 characteristics panel LinLog The LinLog technology from Photonfocus allows a logarithmic compression of high light intensities In contrast to the classical non integrating logarithmic pixel the LinLog pixel is an integrating pixel with global shutter and the possibility to control the transition between linear and logarithmic mode Section 4 3 2 There are 3 predefined LinLog settings available Alternatively custom settings can be defined in the User defined M
85. 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 3 4 for a summarised table of frame grabber relevant specifications Fig 5 4 shows symbolically a 1 tap system For more information about taps refer to AN021 on the Photonfocus website www photonfocus com tiny 5 2 CameraLink Data Interface 49 5 Hardware Interface 5 3 Read out Timing 5 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 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 Frame Time SHUTTER l Exposure Time FVAL l 1 NS E H CPRE Linepause Linepause Linepause First Line Last Line DVAL Figure 5 5 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 im
86. ue 307 Update Figure 7 9 MV D1024E 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 camera interface er 76 For any support requests please enclose the information provided on this tab 7 2 MV D1024E 80 MV D1024E 160 BL1 D1024E 80 and BL1 D1024E 160 GUI description This section describes the parameters of the following cameras MV D1024E 80 CL CameraLink interface MV D1024E 160 CL CameraLink interface BL1 D1024E 80 CL CameraLink interface BL1 D1024E 160 CL CameraLink interface The following sections are grouped according to the tabs in the configuration dialog Frame Rate fps gt 27 45 Update Average Value 1356 Update Figure 7 10 MV D1024E 160 frame rate and average value Frame Rate fps Shows the actual frame rate of the camera in frames per second Update To update the value of the frame rate click on this button Average Value Greyscale average of the actual image This value is in 12bit 0 4095 Update To update the value of the average click on this button 7 2 MV D1024E 80 MV D1024E 160 BL1 D1024E 80 and BL1 D1024E 160 77 7 Graphical User Interface GUI 7 2 1 Exposure This tab contains exposure sett
87. used CC3 not used not used not used CC4 not used not used not used Table 3 5 Summary of parameters needed for frame grabber configuration CameraLink Port and Bit assignments are compliant to the CameraLink standard see CL O LSB AO AO AO 2 A2 A2 A2 3 A3 A3 A3 4 A4 A4 A4 5 A5 A5 A5 7 MSB for 8 Bit Mode A7 A7 A7 8 BO BO 9 MSB for 10 Bit Mode B1 B1 10 B2 11 MSB for 12 Bit Mode B3 Table 3 6 CameraLink port and bit assignments for MV D1024E 40 camera 16 Bit Tap 0 Tap 1 Tap 0 Tap 1 Tap 0 Tap 1 2 8Bit 8Bit 10Bit 10Bit 12 Bit 12 Bit 0 2 3 4 7 MSB of 8 Bit 8 9 MSB of 10 Bit 10 B2 B6 11 MSB of 12 Bit B3 B7 Table 3 7 CameraLink port and bit assignments for MV D1024E 80 and MV D1024E 160 cameras 3 4 Frame Grabber relevant Configuration 17 3 Product Specification 18 4 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 camera is explained in later chapters 4 1 Image Acquisition 4 1 1 Readout Modes The MV D1024E 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 i
88. x 10 bit 8 bit Figure 4 20 Data path through LUT 4 3 5 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 gray level resolution every possible gray level appears the 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 lt gt Test images give the correct result at full resolution only Ramp Depending on the configured gray level resolution the ramp test image outputs a constant pattern with increasing gray level from the left to the right side see Fig Figure 4 21 Ramp test images 8 bit output left 10 bit output middle 12 bit output right LFSR The LFSR linear feedback shift register test image outputs a constant pattern with a pseudo random gray level sequence containing every possible gray level that is repeated for every row In 12 bit mode only a fourth of all possible gray values appear 30 Figure 4 22 LFSR test image In the histogram you can see that the number of pixels of all gray 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 t

User Manual MV-D1024E CameraLink ® Series

Contents

Download Pdf Manuals

Related Search

Related Contents

User Manual MV-D1024E CameraLink &reg; Series

Contents

Download Pdf Manuals

Related Search

Related Contents

User Manual MV-D1024E CameraLink ® Series