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MV1-D2048-CL - Photonfocus

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2. 0 0 is ROLW 0 0 jos ROLW ROLY a MROIO Y e ree TAT MROI 0 S v MROILY PET PAS T MROI 1 5 o c e IN l I on A MROT2 48 p Xmax Ymax FI Xmas Ymax l 0 0 9 ROLW ia 2 ROLW MROI 0 E MROI 1 X 9 a i 9 MROI2 Figure 5 3 Multiple Regions of Interest Figure 5 4 Multiple Regions of Interest with 5 ROIs 5 1 Reduction of Image Size 29 5 Functionality Fig 5 5 shows an example from hyperspectral imaging where the presence of spectral lines at known regions need to be inspected By using a MROI only a 636x54 region need to be readout and a frame rate of 5598 fps D 240 can be achieved Without using MROI the resulting frame rate would be 338 fps for a 636x1088 ROI D 240 636 pixel 0 0 PI 1 pixel 2 pixel 1 pixel 20 pixel 2 pixel 26 pixel 2 pixel Chemical Agent A B C a Vise Figure 5 5 Multiple Regions of Interest in hyperspectral imaging 30 5 1 4 Decimation monochrome cameras Decimation reduces the number of pixels in y direction Decimation in y direction transfers every n row only and directly results in reduced read out time and higher frame rate respectively Decimation can also be used together with ROI or MROI In this case every ROI E should have a height that is a multiple of the decimation setting E g if decima tion 3 then the height of every ROI should be a multiple of 3 Fig 5 6 s
3. Figure 8 3 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 2 pixel H Window height Set to max ROI Set Window to maximal ROI X20 Y 0 W 2048 H 1088 CS Window width is only available in steps of 2 pixel When using ROI in x direction enable DataValid DVAL feature on the frame grabber 8 1 MV1 D2048 x1088 160 MV1 L2048 160 75 8 Graphical User Interface GUI Decimation Decimation 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 3 reads every third row only Crosshairs Crosshairs is a cross inside the image The crosshairs value is overlapped the original image data The position of the crosshairs can be configured The unit of the grey value is always 12 bit Enable Crosshairs Enable crosshairs X Vertical line position of crosshairs V Horizontal line position of crosshairs Value 12bit Crosshairs grey value in 12bit Multi ROI This camera can handle up to 8 different regions of interest The multiple ROIs are joined together
4. Figure 5 33 Crosshairs absolute position 5 7 Crosshairs 57 5 Functionality 5 8 Image Information and Status Line 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 5 8 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 Real Time counter The time counter starts at 0 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 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 free running mode it counts all incoming external triggers counter width 8 bit no wrap around see also Section 5 2 8 Missed burst trigger counter When the camera is in burst trigger mode see Section 5 2 5 a missed burst trigger counter will be incremented when a subsequent external trigger TriggerMode 0n is applied while a burst sequence is running see
5. A 2 CameraLink9 Connector 99 A Pinouts 100 Camera Revisions B 1 General Remarks This chapter lists differences between the revisions of the camera models List of terms used in this chapter Status Line V1 0 Status line fields up to start pixel 76 FineGain Values are sampled at the time when the status line is inserted Status Line V1 1 All fields of Status Line V1 0 plus additional field Trigger Level Values are sampled at the start of exposure Counter Reset External Reset of image counter and real time counter by an external signal 101 B Camera Revisions B 2 2MP Area Scan Cameras TablejB 1jshows revision information for the following models D160 MV1 D2048X1088 160 CL 10 1160 MV1 D2048X10881 160 CL 10 C160 MV1 D2048X1088C 160 CL 10 D240 MV1 D2048X1088 240 CL 8 1160 MV1 D2048X10881 240 CL 8 Table B 1 Revisions Camera Link 2 MP Area Scan Cameras 102 D160 1160 V1 0 C160 V1 0 D240 1240 V1 0 ROI yes yes yes Line Scan Mode no no no Frame Combine no MROI yes Decimation yes Standard Trigger yes Counter Reset External no Multiple Slope yes Column FPN Correction no Digital Gain Offset yes Analog Gain yes LUT yes Crosshairs yes Status Line V1 0 yes Status Line V1 1 no Test Images yes yes yes Data Resolution 8 Bit yes yes yes Data Resolution 10 Bit yes yes no B 3 4MP Area Scan Cameras Speedgrade 160 TablejB 2 shows revision inf
6. E12 device is contained in the I cameras 20 Fig 4 3 shows the quantum efficiency curve of the colour CMV2000 4000 sensors from CMOSIS used in the Photonfocus 2048 colour cameras CMV2000 color spectral reponse 60 50 40 x 30 fe 20 10 0 onon Q Li QO i Q Li QO i Q i QO i Q iu O i Q i QO i0 Q i O i0 OQ i o O c 0 QO oc i P O e i PF O oe i0 F OO e i0 F OO C ui F QOO CN i0 F QO CN i Wavelength nm Figure 4 3 Spectral response of the CMV2000 4000 CMOS colour image sensors with micro lenses The cover glass of the CMV2000 4000 image sensors is plain D263 glass with a transmittance as shown in Fig Refraction index of the glass is 1 52 Scratch bubbles and digs shall be less than or equal to 0 02 mm 100 90 80 70 60 50 Transmittance 96 40 Pa N w o o o o 400 500 600 700 800 900 1000 1100 1200 w o Wavelength nm Figure 4 4 Transmittance curve of D263 cover glass 4 4 Technical Specification 21 1075 1100 4 Product Specification The colour cameras are equipped with a infra red cut off filter to avoid false colours arising when an infra red component is present in the illumination Fig 4 5 shows the transmssion curve of the cut off filter Transmission vs Wavelength 1 00 y 0 90 4 0 80 4 0 70 0 60 0 50 4 Transmission 0 40 0 30 1 0 20 0 10 4 0 00 400 500 600 70
7. FVAL LVAL and DVAL are transmitted over the same physical channel Camera control information Camera control signals CC signals can be defined by the camera manufacturer to provide certain signals to the camera There are 4 CC signals available and all are unidirectional with data flowing from the frame grabber to the camera For example the external trigger is provided by a CC signal see Table 6 3 for the CC assignment CCI EXSYNC External Trigger May be generated either by the frame grabber itself software trigger or by an external event hardware trigger CC2 CTRL ControlO This signal is reserved for future purposes and is not used CC3 CTRL1 Controll 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 6 3 Summary of the Camera Control CC signals as used by Photonfocus Pixel clock The pixel clock is generated on the camera and is provided to the frame grabber for synchronisation 6 1 Connectors 67 6 Hardware Interface Serial communication A CameraLink camera can be controlled by the user via a RS232 compatible asynchronous serial interface This interface is contained within the CameraLink interface and is physically not directly accessible Refer to Section 5 10 for more information Image data FVAL LVAL DVAL Pixel Clock CameraLink CameraLink CC Signals g
8. LUT files located in the PFRemote installation directory Save File Save LUT from camera into a file 84 8 1 7 Multislope This tab contains Multislope settings MV1 D2048x1088 160 cIO 4 Serial 1291 game Exposure Window Trigger Data Output LUT Multislope i Info Multislope store as Defaults as Defaults Settings File NrSlopes Valuel Time1 Factory Reset Frame Rate fps Multislope mode OFF Value2 Time2 Note For limitations of Multislope please refer to the manual Update Combination of Multislope and LevelControlled trigger is not available Average Value Compression NrSlopes 2 texp Valuet 4 Compression NrSlopes 3 texp je Value2 Value J Figure 8 8 Multislope panel Multislope Tis camera has the possibility to achieve a high optical dynamic range by using a piecewise linear response This feature will clip illuminated pixels while leaving the darker pixels untouched The clipping level can be adjusted 2 times within one exposure time to achieve a maximum of 3 slopes in the response curve There are 3 predefined Multislope settings available Alternatively custom settings can be defined in the User defined Mode Multislope Mode Off Multislope is disabled Low Normal High compression Three Multislope presettings User defined NrSlopes Valuel Timel Value2 and Timez The Multislope times are per thousand of the exposu
9. Swap TapO and Tap2 Average Value Enable BGR if the frame grabber is configured in RBG mode Figure 8 6 MV1 D2048x1088 240 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 of pixel are incremented by 1 starting at each row The pattern depends on the grey level resolution Resolution 8 Bit Grey level resolution of 8 bit Digital Gain 1x No digital gain normal mode 2x Digital gain 2 4x Digital gain 4 8x Digital gain 8 Digital Offset Substracts an offset from the data Only available in gain mode Analog Gain 1 0x No analog gain gain 1 0x 8 1 MV1 D2048 x1088 160 MV1 L2048 160 81 8 Graphical User Interface GUI 1 2x Analog gain 1 2x 1 4x Analog gain 1 4x 1 6x Analog gain 1 6x Fine Gain The fine gain can be used to adjust the brightness of the whole image in small steps Enable BGR Enable BGR Swap Tap0 and Tap2 if the frame grabber is configured in RBG mode 82 8 1 6 LUT Look Up Table This tab contains LUT settings MV1 D2048x1088 160 cIO 4 Serial 1291 usum Exposure Window Trigger Data Output LUT Multislope Info Look Up Table LUT mapping 12 to 8 Bit This camera has 2 LUTs LUTO has higher priority than LUTI Store as Defaults Region LUT Both LUTs can be configured
10. The grey level is defined by a 12 bit value 0 means black 4095 means white This allows to set anv grev level to get the maximum contrast depending on the acquired image The x y position and the grey level can be set via the camera software Figure Fig 5 32 shows two examples of the activated crosshairs with different grey values One with white lines and the other with black lines Cg The 12 bit format of the grey level was chosen to be compatible with other Photonfocus cameras Figure 5 32 Crosshairs Example with different grey values lt gt The Crosshairs feature is not available on all camera revisions see Appendix JB for a list of available features BE DR1 models The crosshairs might be slightly distorted in the DR1 encoded im age 56 The x and y positon is absolute to the sensor pixel matrix It is independent on the ROI MROI or decimation configurations Figure Fig 5 33 shows two situations of the crosshairs configuration The same MROI settings is used in both situations The crosshairs however is set differently The crosshairs is not seen in the image on the right because the x and y position is set outside the MROI region 0 0 0 0 MROI 0 MROI 0 lt absolu Yabsout Grey Level MROI 1 MROI 1 Xabsout Mabsolut Grey Level x mae Ymax mA MROI 0 MROI 0 fe RRON po MROI1
11. also Section l 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 Note that the 12 bit format was chosen to be compatible with other Photonfocus cameras 5 8 2 Status Line If enabled the status line replaces the last row of the image with camera status information Every parameter is coded into fields of 4 pixels LSB first and uses the lower 8 bits of the pixel value so that the total size of a parameter field is 32 bit see Fig 5 34 The assignment of the parameters to the fields is listed in TablefB 11 E The status line is available in all camera modes MSB LSB MSB LSB MSB LSB MSB LSB MSB LSB MSB LSB Pixel 0 17 712 13 4 15 6 07 18 59 110091 12 13 14 15 116 17 18 19 20 21 22 23 l ji l i i l FF 00 AA 55 Preamble Field 0 Field 1 Field 2 Field 3 Field 4 Figure 5 34 Status line parameters replace the last row of the image 58 Start pixel index Parameter width bit Parameter Description 0 32 Preamble 0xSSAAOOFF Image Counter see Section 5 8 1 Real Time Counter see Section 12 8 Missed Trigger Counter see Section 16 12 Image Average Value raw data without taking in account gain settings see Section 20 24 Integration Time in units of clock cycles see Table 4 3 24 16 Reserved Burst Trigger Numbe
12. as one RGB pixel In the RGB mode the memory management of a 24bit colour image has to be considered Blue is usually stored at address 0 green at address 1 and red at address 2 and so on in this order Since the blue channel in the camera link standard is located at tap 2 pixel 2 and the red channel at tap 0 pixel 0 pixel 0 amp 2 would be stored in the wrong order in the memory The D 240 cameras provide a BGR mode This swaps pixels 0 amp 2 at the camera link interface and the pixels then have the proper order in the memory In this configuration an image can be grabbed in 24 bit RGB mode and the RGB buffer can be read out as an 8 bit monochrome buffer without the need of copying the pixel data The application note ANO31 MV1 D1312 I 240 cameras 3 tap grab procedure Cg explains the use of the 3 tap mode in more detail There are examples for sev eral frame grabbers in the SDK1Example sub directory of the PFRemote installation directory Cg Ask Photonfocus support lt support photonfocus com gt if you have a problem using the 3 tap mode 24 2 Functionalitv 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 cameras is explained in later chapters 5 1 Reduction of Image Size With the Photonfocus 2048 camera series there are several possibilities to focus on the interesting parts of a
13. cameras Characteristic curve Shutter mode global shutter Sensor bit depth 10 bit Maximal Frame rate 1 37 7 fps 45 3 fps Camera pixel formats 10 8 bit 8 bit Pixel clock frequency 80 MHz 80 MHz CameraLink taps 2 3 Digital Gain 0 1 to 15 99 Fine Gain 28 us 0 42s 25 ns steps 26 ys 0 349 s 20 8 ns steps Exposure Time Table 4 4 General specification of the 4 MPix models of the Photonfocus 2048 series Footnotes Dat full resolution 4 4 Technical Specification 19 4 Product Specification Photonfocus 2048 CameraLink Series Operating temperature moisture 0 C 50 C 20 80 Storage temperature moisture 25 C 60 C 20 95 96 Camera power supply 12 V DC 10 4 Trigger signal input range 5 15 V DC Maximal power consumption 4 2 W Lens mount C Mount CS Mount optional Dimensions 55x 55 x 42 mm Mass 2159 Conformity RoHS WEEE Table 4 5 Physical characteristics and operating range Fig 4 2 shows the quantum efficiency curve of the monochrome CMV2000 4000 sensors from CMOSIS measured in the wavelength range from 400 nm to 1000 nm Spectral response Y o on o Un o B o normal device w o E12 device N o Quantum efficiency Eb o o 400 500 600 700 800 900 1000 Wavelength nm Figure 4 2 Spectral response of the CMV2000 4000 CMOS monochrome image sensors with micro lenses
14. controlled with an internal exposure time controller The trigger pulse from the internal camera control starts also the strobe control state machines The strobe can be delayed by t trobe delay With an internal counter which can be controlled by the customer via software settings The strobe offset delay tstrobe delay results then from the synchronous design of the FPGA state machines A second counter determines the strobe duration tgtrobe duration Strobe duration For a robust system design the strobe output is also 5 2 Trigger and Strobe 39 5 Functionality external trigger pulse input trigger after isolator trigger pulse internal camera control t jitter l delayed trigger for shutter control t trigger delay internal shutter control l trigger offset t exposure Lp Y 2 oou delayed trigger for strobe control t strobe delay internal strobe control Ltrobe oitiat t strobe duration M S external strobe pulse output gt ti is iit ut Figure 5 18 Timing diagram for the camera controlled exposure time isolated from the camera electronic which leads to an additional delav of ta iso output Table 5 8 and Table 5 9 gives an overview over the minimum and maximum values of the parameters External Trigger with Pulsewidth controlled Exposure Time In the external trigger mode with Pulsewidth controlled exposure time the rising
15. in steps see Fig 5 1 and Fig 5 2 25 5 Functionality ROI Dimension Standard L 160 2048 x 19 27300 fps 2048 x 29 25400 fps 2048 x 3 21900 fps 2048 x 49 17300 fps 2048 x 1088 42 fps 1280 x 1024 SXGA 90 fps 1280 x 768 WXGA 120 fps 800 x 600 SVGA 306 fps 640 x 480 VGA 381 fps 512x 13 27300 fps 640 x 19 27300 fps 480 x 480 381 fps 640 x 640 287 fps 1024 x 1024 90 fps Table 5 2 Frame rates of different ROI settings for L 160 cameras minimal exposure time Footnotes Dine scan mode EnLinescanHighSpeedMode must be set Frame Rate fps Frame Rate with H21088 i MV1 D2048 1 C x1088 240 NV1 D2048 1 C x1088 160 300 MV1 L2048 I C 160 250 200 169 9 fps 150 100 85 1 fps 70 9 fps 50 42 6 fps width 424 512 640 852 1024 1280 1704 2048 Figure 5 1 Frame rate in function of ROI width at H 1088 26 Frame Rate fps Frame Rate with H 2048 200 AON Oe _ MV1 D2048 I C 240 150 5 fps MV1 D2048 1 C 160 150 100 50 45 3 fps 37 7 fps 512 640 1024 1280 2048 Figure 5 2 Frame rate in function of ROI width at H 2048 5 1 2 Line Scan Mode L cameras only Very high frame rates can be obtained in the Line Scan mode see also Tablef5 2 In this mode the L cameras are a cost effective replacement of line scan cameras The number of rows and their position can be set bv the normal ROI settings More advanced settin
16. the manufacturer and accompanying said product and e the product shall be free from defects in materials and workmanship under normal use The distributor shall not make or pass on to any party any warranty or representation on behalf of the manufacturer other than or inconsistent with the above limited warranty set 10 2 Warranty Claim The above warranty does not apply to any product that has been modified or al 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 93 10 Warranty 94 11 References All referenced documents can be downloaded from our website at www photonfocus com CL CameraLink Specification January 2004 SW002 PFLib Documentation Photonfocus August 2005 ANO007 Application Note Camera Acquisition Modes Photonfocus March 2004 ANOO08 Application Note Photometry versus Radiometry Photonfocus December 2004 ANO010 Application Note Camera Clock Concepts Photonfocus July 2004 ANO21 Application Note CameraLink Photonfocus July 2004 ANO026 Application Note LFSR Test Images Photonfocus September 2005 ANO031 Application Note MV1 D1312 1 240 cameras 3 tap grab procedure Photonfocus February 2010 95 11 References 96 A Pinouts A 1 Power Supply Connector The power supply plugs are available from Binder connectors at www bin
17. to 1 5Mbaud user selectable Interface Trigger External opto isolated trigger input Image pre processing Features 2 look up tables 12 to 8 bit on user defined image region Region LUT Greyscale colour resolution 10 bit 8 bit Region of Interest ROI Up to 8 regions of interest MROI Fast line scan mode L series only Test pattern LFSR and grey level ramp Image information and camera settings inside the image status line Crosshairs overlay on the image Table 4 1 Opto isolated trigger input and opto isolated strobe output Feature overview see Chapter 5 for more information Footnotes 1 D 160 and L 160 only 1 T Q 0 n 6 y ji Figure 4 1 Photonfocus 2048 CMOS camera series with C mount lens 16 4 3 Available Camera Models Cg Please check the availability of a specific camera model on our website Name Resolution Line Scan MV1 D2048x1088 160 CL 10 2048 x 1088 no no MV1 D2048x10881 160 CL 10 2048 x 1088 no no MV1 D2048x1088C 160 CL 10 2048 x 1088 yes no MV 1 D2048x1088 240 CL 8 2046 x 1088 no no MV 1 D2048x10881 240 CL 8 2046 x 1088 no no MV1 D2048x1088C 240 CL 8 2046 x 1088 yes no MV 1 D2048 160 CL 10 2048 x 2048 37 fps no no no MV1 D20481 160 CL 10 2048 x 2048 37 fps yes no MV1 D2048C 160 CL 10 2048 x 2048 yes no MV1 D2048 240 CL 8 2046 x 2048 no no MV1 D2048I 240 CL 8 2046 x 2048 no no MV1 D2048C 240
18. 0 800 900 1000 1100 Wavelength nm Figure 4 5 Transmission curve of the cut off filter in the Photonfocus 2048 colour camera models 4 5 RGB Bayer Pattern Filter Fig 4 6 shows the bayer filter arrangement on the pixel matrix in the colour camera models which is often denoted as Green Blue pattern The fixed bayer pattern arrangement has to be considered when the ROI config S uration is changed or the MROI feature is used see Section B 1 It depends on the line number in which a ROI starts A ROI can start at an even or an odd line number Column 0 1 2 3 Row Figure 4 6 Baver Pattern Arrangement in the Photonfocus 2048 color camera models 22 4 6 Frame Grabber relevant Configuration The parameters and settings which are essential to configure the frame grabber are shown in Table 4 6 D 160 L 160 D 240 Pixel Clock 80 MHz 80 MHz Number of Taps 2 3 Greyscale resolution 10 bit 8 bit 8 bit Line pause 21 47 83 clock cycles 39 45 89 clock cycles CC1 EXSYNC EXSYNC CC2 not used not used CC3 not used not used cc4 not used not used Maximal average data rate 160 MB s 8 bit 320 MB s 10 bit 190 MB s Table 4 6 Summary of parameters needed for frame grabber configuration Footnotes width lt 512 2512 lt width lt 1024 width gt 1024 width lt 640 640 lt width lt 1280 width gt 1280 CameraLink port and bit assignments are complia
19. 0 89 8 Graphical User Interface GUI 90 Mechanical Considerations 9 1 Mechanical Interface During storage and transport the camera should be protected against vibration shock moisture and dust The original packaging protects the camera adequately from vibration and shock during storage and transport Please either retain this packaging for possible later use or dispose of it according to local regulations 9 1 1 MV1 cameras with CameraLink Interface Fig 9 1 shows the mechanical drawing of the camera housing for the Photonfocus 2048 CMOS cameras with CameraLink interface all values in mm 3 50 6 r 5 42 18 4 C Y e eB i x d p CONTROL DATA O FO youd OL 55 30 5 snsoj u ELI 40 2 219 J EX 45 Figure 9 1 Mechanical dimensions of the MV1 D2048 x1088 I C and MV1 L2048 I C CameraLink models 91 9 Mechanical Considerations 92 10 Warranty The manufacturer alone reserves the right to recognize warranty claims 10 1 Warranty Terms The manufacturer warrants to distributor and end customer that for a period of two years from the date of the shipment from manufacturer or distributor to end customer the Warranty Period that e the product will substantially conform to the specifications set forth in the applicable documentation published by
20. 048 160 CL CameraLink interface MV 1 D2048 x1088 I 160 CL CameraLink interface MV 1 D2048 x1088 1 240 CL CameraLink interface MV1 D2048 x1088 C 160 CL CameraLink interface MV1 D2048 x1088 C 240 CL CameraLink interface The following sections are grouped according to the tabs in the configuration dialog Frame Rate fps 2745 Update Average Value 1356 Update Figure 8 1 Frame rate and average value indication 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 73 8 Graphical User Interface GUI 8 1 1 Exposure This tab contains exposure settings MV1 D2048x1088 160 cIO 4 Serial 1291 Exposure Window Trigger Data Output LUT Multislope Info Reset Exposure Exposure time ms V 2 500 Settings File gt Frame time ms Factory Reset Frame Rate fps Black Level Offset 16304 zs Update Average Value Figure 8 2 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 c
21. 1 160 CL 10 TBD MV 1 L2048C 160 CL 10 422 Table 5 12 Type codes of Photonfocus 2048 camera series 60 5 9 Test Images Test images are generated in the camera FPGA independent of the image sensor They can be used to check the transmission path from the camera to the frame grabber Independent from the configured grey level resolution every possible grey level appears the same number of times in a test image Therefore the histogram of the received image must be flat G 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 The analysis of the test images with a histogram tool gives gives a flat histogram gt only if the image width is a multiple of 1024 in 10 bit mode or 256 in 8 bit mode 5 9 1 Ramp Depending on the configured grey level resolution the ramp test image outputs a constant pattern with increasing grey level from the left to the right side see Fig e Figure 5 35 Ramp test images 8 bit output left 10 bit output right 5 9 2 LFSR The LFSR linear feedback shift register test image outputs a constant pattern with a pseudo random grey level sequence containing every possible grey level that is repeated for every row The LFSR test pattern was chosen because it leads to a very high data toggling rate which stresses the interface electronic and the cable connection In the histogram you can see that the numbe
22. 5 Line Scan Cameras TablejB 4 shows revision information for the following models L160 MV1 L2048 160 CL 10 11601 MV1 L20481 160 CL 10 L160C MV1 L2048C 160 CL 10 L160 L1601 L160C V1 0 L160 L1601 L160C V1 1 ROI Line Scan Mode yes yes yes yes Frame Combine yes yes yes yes Decimation Standard Trigger yes yes Counter Reset External Multiple Slope no yes yes yes Column FPN Correction no yes Digital Gain Offset y Crosshairs es yes Analog Gain yes yes yes yes Status Line V1 0 yes no Status Line V1 1 no y es Test Images yes yes yes yes Data Resolution 10 Bit Table B 4 Revisions Camera Link Line Scan Cameras B 5 Line Scan Cameras 105 B Camera Revisions 106 Revision History Revision Date Changes 1 0 April 2012 First version 1 1 May 2012 Colour models added 1 2 March 2013 Secion Maximal Frame Rate corrected value of TReadoutDel of camera MV1 D2048 x1088 1 C 240 W gt 2 WO MV1 L2048 1 C camera series added Minimal exposure time corrected Chapter Introduction added and abbreviated camera names used in the manual 1 3 November 2013 Minimal exposure time for 4 MPix models corrected Added description of Counter Reset by external signal Added Trigger Level field in status line Added appendix with listing of camera revisions 107
23. CL 8 2046 x 2048 45 fps no yes no MV 1 L2048 160 CL 10 2048 x 1088 27300 fps no yes MV 1 L20481 160 CL 10 2048 x 1088 27300 fps yes no yes MV 1 L2048C 160 CL 10 2048 x 1088 25400 fps no yes yes Table 4 2 Available Photonfocus 2048 camera models Footnotes frame rate at at full resolution line scan mode 2048x1 pixels 3 line scan mode 2048x2 pixels 4 NIR enhanced camera with CMV2000 CMV4000 E12 image sensor 4 3 Available Camera Models 17 4 Product Specification 4 4 Technical Specification D 160 L 160 D 240 Sensor CMOSIS CMV2000 Technology CMOS active pixel Scanning system progressive scan Optical format diagonal 2 3 12 75 mm diagonal Resolution 2048 x 1088 pixels 2046 x 1088 pixels Pixel size 5 5 um x 5 5 um Active optical area 11 26 mm x 5 98 mm Full well capacity 11 ke7 Spectral range standard sensor lt 350 to 900 nm to 10 of peak responsivity Spectral range of I models lt 350 to 970 nm to 10 of peak responsivity Spectral range of colour models 390 to 670 nm to 10 96 of peak responsivity Conversion gain 0 075 LSB e Sensitivity 5 56 V lux s with micro lenses 550 nm Optical fill factor 42 4 without micro lenses Dark current 125 e s 25 C Dynamic range 60 dB Micro lenses Yes Colour format C cameras RGB Bayer Raw Data Pattern Characteristic curve Linear Piecewise linear multiple slope Shutter mode global shutter Se
24. Missed Burst Trigger This is a counter for burst trigger pulses that were blocked because the burst trigger pulse was received during the last burst is not yet finished To update the value of the information properties click on the Update Button to reset the properties click on the Reset Button Reset Counters This feature allows to reset the image counter and the real time counter timestamp to be reset by an external signal C The Reset Counters feature is not available in all camera revisions Mode Reset Counters mode It determines how often the selected source should reset the counters The setting Once works together with the ResetCounter OnNextTrigger button OnNextTrigger OnNextTrigger This property applies only to ResetCounter Mode Once In this mode the counters are reset on the next active edge of the selected reset source property ResetCounter Source after the device is armed with a click on the button OnNextTrigger Source Reset counter source Invert The rising edge of the selected reset source is teh active trigger edge The falling edge is the active edge If Invert is selected Status Line Enable Status Line The status line replaces the last line of an image with image information please refer the manual for additional information Temperature ADC PCB deg C The temperature of the Processor PCB Update Press this button to update all temperature values 8 1 MV1 D2048 x1088 160 MV1 L2048 16
25. 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 e 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 When removing the camera body cap or when changing the lens the camera A should always be held with the opening facing downwards to prevent dust or debris falling onto the CMOS sensor Do not touch the sensor surface Protect the image sensor from particles and dirt 11 3 How to get started CameraLink Figure 3 1 Camera with protective cap and lens Cg 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 3 2 Figure 3 2 Camera with frame grabber power supply and cable A Do not connect or disconnect the CameraLink cable while camera power is on For more information about CameraLink see Section 5 10 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 Appendix A 12 Check the correct supply voltage and polarity Do not exceed the maximum operat
26. Status line insertion v Test images insertion v Apply data resolution 8 10 bit v Image output Figure 5 23 camera data path 5 4 Data Path Overview 5 Functionality 5 5 Gain and Offset There are three different gain settings on the camera Analog Gain Analog gain on the image sensor only available in some models see Appendix JB Available values x1 x1 2 x1 4 x1 6 Note that Digital Offset is applied after the Analog Gain Gain Digital Fine Gain Digital fine gain accepts fractional values from 0 01 up to 15 99 It is implemented as a multiplication operation Colour camera models only There is additionally a gain for every RGB colour channel The RGB channel gain is used to calibrate the white balance in an image which has to be set according to the current lighting condition Digital Gain Digital Gain is a coarse gain with the settings x1 x2 x4 and x8 It is implemented as a binary shift of the image data where 0 is shifted to the LSB s of the gray values E g for gain x2 the output value is shifted by 1 and bit 0 is set to 0 The resulting gain is the product of the three gain values which means that the image data is multiplied in the camera by this factor cg Digital Fine Gain and Digital Gain may result in missing codes in the output im age data A user defined value can be subtracted from the gray value in the digital offset block If digital gain is applie
27. ame Description 1 PW SHIELD 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 SHIELD Shield 14 PW SHIELD 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 l P_CC3 Positive LVDS Input Camera Control 3 CC3 25 l N_CC4 Negative LVDS Input Camera Control 4 CC4 26 PW SHIELD Shield S PW SHIELD Shield Table A 3 Pinout of the CameraLink connector
28. amera PC e Suitable CameraLink frame grabber card to be installed in the PC All Photonfocus CameraLink cameras are fully compatible with the CameraLink standard 1 1 and later Therefore all framegrabbers complying with the standard will be compatible with Photonfocus cameras if they meet the interface and speed specifications of the cameras Note that some framegrabbers use CameraLink chipsets limited to 66 MHz pixel clocks These framegrabbers are not compatible with Photonfocus 2048 series CameraLink cameras If you have compatibility questions concerning your framegrabber please contact our support team via support photonfocus com Suitable CameraLink frame grabbers can be purchased from Photonfocus directly www photonfocus com in some countries e Cameralink cable The cable length should not be too big for the camera The camera includes test images 5 9 to measure the transmission quality of the system CameraLink cables can be purchased from directly Photonfocus www photonfocus com in some countries e A suitable power supply A suitable power supply can be purchased at your Photonfocus dealership e C Mount camera lens Note that if you plan to use your NIR enhanced camera in the near infrared region NIR then you should use SWIR camera lenses 1 Install a suitable frame grabber in your PC 2 Install the frame grabber software Without installed frame grabber software the camera configuration tool
29. an 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 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 74 8 1 2 Window This tab contains the settings for the region of interest MV1 D2048x1088 160 cIO 4 Serial 1291 rara Exposure Window Trigger Data Output LUT Multislope Info L rest Region of interest Multi ROI Store as Defaults 2048 Note MROI could only be enabled y W Y Enable MROL po Htot 0 eee HE Load MROI from File Load File Set to max ROI Save MROI to Fie When using ROI in X direction enable DataValid DWAL feature Frame Rate fps on the frame grabber Index 0 mY o H io Decimati SOR MROTH total Update Decimation Y 1 Note Htot shows the total height for the MROI mode only Average Value Crosshairs Settings for frame grabber Enable Crosshairs ROI settings on the camera interface Use these settings to configure the frame grabber X 1024 Y 544 Wot Value 12bit jJ Htot
30. 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 ROIs are NOT allowed No row should be included in more than one ROI Enable MROI Enable MROI If MROI is enabled the ROI and MROI settings cannot be changed Load File Load a user defined MROI file into the camera A sample MROI configuration file mv1_d2048x1088_160_mroi txt with description of the data format is available in the directory MROI files located in the PFRemote installation directory Save File Save the current MROI settings to a txt file Index Select one of the 8 MROI Y Y coordinate of the current MROI selected by Index H Height of the current MROI selected by Index H tot Shows the sum of all MROls as the total image height Settings for frame grabber Shows the ROI settings on the camera interface Use these settings to configure the frame grabber Wtot Number of pixels in a line Width of the image Htot Number of lines out of the camera Height of the image Update Update values of Wtot and Htot 76 8 1 3 Trigger This tab contains trigger and strobe settings MV1 D2048x1088 160 cl0 4 Serial 1291 EET Exposure Window Trigger Data Output LUT Multislope Inf
31. bber does not support clallserial dll copy the clserxXXX dll of gt your frame grabber in the PFRemote directory and rename it to clser dll The PortBrowser will then indicate this DLL as clser dll at PFRemote directory After connecting the camera the device can be opened with a double click on the port name or by right clicking on the port name and choosing Open amp Configure If the initialisation of the camera was successful the configuration dialog will open The device is closed when PFRemote is closed Alternatively e g when connecting another camera or evaluation kit the device can also be closed explicitely by right clicking on the port name and choosing Close Make sure that the configuration dialog is closed prior to closing the port Q Errors warnings or other important activities are logged in a log window at the bottom of the main window If the device does not open check the following e sthe 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 7 5 Graphical User Interface GUI 71 7 The PFRemote Control Tool 7 5 3 Main Buttons The buttons on the right side of the configuration dialog store and reset the camera configuration xl Reset Store as defaults r Settings file IEEI Factory Reset F
32. cus AG CameraLink and GigE Vision are a registered mark of the Automated Imaging Association Product and company names mentioned herein are trade marks or trade names of their respective companies 1 Preface Cg Reproduction of this manual in whole or in part by any means is prohibited without prior permission having been obtained from Photonfocus AG Cg 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 O Alerts and additional information A Attention critical warning Q Notification user guide 2 Introduction This manual describes standard Photonfocus 2048 series cameras that have a CameraLink interface The cameras contain CMV2000 or CMV4000 sensors from CMOSIS The Photonfocus 2048 CameraLink series has the following camera model families L cameras Cameras that contain a dedicated line scan mode to acquire up to 4 rows at very high speeds 27300 fps for 2048x1 pixels making it a cost effective replacement for line scan cameras D cameras Standard area scan cameras There are camera models in every camera family with the following sensor types Monochrome Standard monochrome sensor Color Colour sensor NIR Cameras with NIR enhanced CMV2000 CMV4000 E12 image sensor 2 1 Camera Naming convention The naming convention of the D2048 camera series is summariz
33. d and if the brightness of the image is too big then the interesting part of the output image might be saturated By subtracting an offset from the input of the gain block it is possible to avoid the saturation 5 6 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 12 to 8 bit mapping so that 4096 input grey levels can be mapped to 256 output grey levels The use of the three available modes is explained in the next sections Two LUT and a Region LUT feature are available in the Photonfocus 2048 camera series see Section 5 6 4 E The LUT is implemented as a 12 to 8 bit LUT to be compatible with other Pho tonfocus cameras Bits 0 amp 1 of the 12 bit LUT input data are set to random values Cg The output grey level resolution of the look up table independent of gain gamma or user definded mode is always 8 bit Cg 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 Some commonly used transfer curves are shown in Fig Line a denotes a negative or inverse transformation line b enhances the image contrast between grey values x0 and x1 50 L
34. d to 256 output grey levels 0 to 4096 and 0 to 255 This camera support 2 LUT both are identical The default LUTs is a gain function with value 1 LUTO has higher priority as LUT1 Both LUT can be configured with the built in Gain Gamma functions or with a LUT file LUTX Enable LUT X Enable the LUTX Gain Linear function Y 256 4096 value X Valid range for value 1 4 Gamma Gamma function Y 256 4096 value X A value Valid range for value 0 4 4 value Enter a value The LUT will be calculated and downloaded to the camera Region LUT Both LUT can be configured with ROI vlaues The LUT is only working inside the the ROI values Overlapping is possible LUTO has higher priority 8 1 MV1 D2048 x1088 160 MV1 L2048 160 83 8 Graphical User Interface GUI Enable Region LUT Enable the region LUT functionality Region of LUT X X coordinate of region LUT starting from 0 in the upper left corner V Y coordinate of region LUT starting from 0 in the upper left corner W Region LUT window width in steps of 2 pixel H Region LUT window height Set to max ROI Set Region LUT window to maximal ROI X 0 Y 0 W 2080 H 2080 LUT Files To load or save a LUT file LUT Index Select the LUT you want to load or save a file File functions Load File Load a user defined LUT file into the camera txt tab delimited There is an example file mv1_d2048x1088_160_lut txt in the directory
35. der connector de Fig A 2 shows the power supply plug from the solder side The pin assignment of the power supply plug is given in Table A 2 It is extremely important that you apply the appropriate voltages to your camera Incorrect voltages will damage or destroy the camera Figure A 1 Power connector assembly Connector Type Order Nr 7 pole plastic 99 0421 00 07 7 pole metal 99 0421 10 07 Table A 1 Power supply connectors Binder subminiature series 712 97 A Pinouts Pin I O Type Name Description VDD 12 V DC 10 GND Ground RESERVED Do not connect STROBE VDD 5 15 VDC STROBE Strobe control opto isolated TRIGGER External trigger opto isolated 5 15V DC PWR GROUND Signal ground for opto isolated strobe signal 1 2 3 4 5 6 7 Table A 2 Power supply plug pin assignment A 2 CameraLink Connector The pinout for the CameraLink 26 pin 0 5 Mini D Ribbon MDR connector is according to the CameraLink standard CL and is listed here for reference only see Table The drawing of the CameraLink cable plug is shown in Fig Cg Cameralink9 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 98 PIN IO N
36. ds on camera settings 0 42 s tirigger oftset non burst mode 100ns duration of 1 row ttrigger offset Durst mode 125 ns 125 ns texposure 15 us 28 us 0 42 s tstrobe delay 0 0 42 s tstrobe offset NON burst mode 100 ns 100 ns tstrobe offset Durst mode 125 ns 125 ns tstrobe duration 200 ns 0 42 s ta iso output 45 ns 60 ns ttrigger pulsewidth 200 ns n a Number of bursts n 1 30000 Table 5 8 Summary of timing parameters relevant in the external trigger mode using the D 160 cameras Footnotes 2 MPix cameras 5 2 Trigger and Strobe 43 5 Functionality D 240 L 160 D 240 L 160 ta iso input 60 ns iter 20 8 ns ttrigger delay 0 355 tburst trigger delay 0 0 355 tirigger offset NON burst mode 83 2 ns duration of 1 row tirigger offset Durst mode 104 ns 104 ns exposure 13 us 26 jis 0 35 s tstrobe delay 0 0 35 s tstrobe offset NON burst mode 83 2 ns 83 2 ns tstrobe oftset Durst mode 104 ns 104 ns tstrobe duration 200 ns 0 35 s ta iso output 60 ns ttrigger pulsewidth 200 ns n a Number of bursts n 1 30000 Table 5 9 Summary of timing parameters relevant in the external trigger mode using the D 240 and L 160 cameras Footnotes 2 MPix cameras 44 5 2 7 Software Trigger The software trigger enables to emulate an external trigger pulse by the camera software through the serial data interface It works with both burst
37. e gt ki gt TReadoutDel Figure 5 13 Simultaneous read out timing 2 exposure time bigger than read out time 36 Sequential Read out Timing In this timing the exposure is started after the read out of the previous frame see Fig 5 14 The maximal frame rate is in this case values are given in Table 5 5 MaxFrameRate 1 ExposureTime TReadoutDel ReadoutTime The ReadoutTime is the height of the ROI multiplied by the read out time of one row see Table 5 5 Trigger Exposure Readout gt lt gt TReadoutDel Readout Time Figure 5 14 Sequential read out timing 5 2 Trigger and Strobe 5 2 1 Introduction The start of the exposure of the camera s image sensor is controlled by the trigger The trigger can either be generated internally by the camera free running trigger mode or by an external device external trigger mode This section refers to the external trigger mode if not otherwise specified In external trigger mode the trigger can be applied through the CameraLink interface interface trigger or directly by the power supply connector of the camera I O Trigger see Section B 2 2 The trigger signal can be configured to be active high or active low When the frequencv of the incoming triggers is higher than the maximal frame rate of the current camera settings then some trigger pulses will be missed A missed trigger counter counts these events This counter can be read
38. e gamma gt 1 Grey level transformation Gamma y 255 1023 x y lt 1 300 T T T T T 250 200 150 100 y grey level output value 8 bit DN 50 0 l l l l f 0 200 400 600 800 1000 1200 x grey level input value 10 bit DN Applying gamma correction to an image gamma lt 1 5 6 3 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 LUT files can easily be generated with a standard spreadsheet tool The file has to be stored as tab delimited text file User LUT y f x 12 bit 8 bit Figure 5 28 Data path through LUT 5 6 4 Region LUT and LUT Enable Two LUTs and a Region LUT feature are available in the Photonfocus 2048 camera series Both LUTs can be enabled independently see Table 5 10 LUT 0 superseeds LUT1 Enable LUT 0 Enable LUT 1 Enable Region LUT Description LUT are disabled X don t care LUT 0 is active on whole image LUT 1 is active on whole image X LUT 0 active in Region 0 X LUT 0 active in Region 0 and LUT 1 active in Region 1 LUT 0 supersedes LUT1 Table 5 10 LUT Enable and Region LUT When Region LUT feature is enabled then the LUTs are only active in a user defined region Examples are shown in Fig 5 29 and Fig Fig 5 29 shows an example of overlapping Reg
39. ed in Fig optional Camera Interface Prefix2 Sensor height speed resolution L T 1 r 1 l MV1 D2048x1088C 160 CL 10 l l Sensor type Prefix1 Sensor width Interface type optional Figure 2 1 Camera naming convention Prefix1 All cameras covered in this manual have MV1 as Prefix1 Prefix2 Camera family specifier The following specifiers are used in this manual D standard area scan cameras L cameras with dedicated line scan mode Sensor width All cameras covered in this manual use sensors with a width of 2048 pixels Sensor height This indication is optional to avoid ambiguity The D cameras that use the 2 MPix CMV2000 sensor have a height indicator of 1088 The D cameras that use the 4 MPix CMV4000 sensor don t have a height indication Sensor type Available sensor types are I NIR enhanced sensors C colour cameras Cameras without sensor type specifier have a standard monochrome sensor Camera speed The camera speed is usually the product of the camera interface clock in MHz and the number of parallel interface channels taps Interface type All cameras covered by this manual have a CameraLink interface denoted by nu GE Interface resolution Resolution bit width of the camera interface 2 Introduction 2 2 Camera list A list of all cameras covered in this manual is shown in Table 2 1 see also Tablej4 2 Abbreviated camera names are used in this manual to increase readability The fo
40. edge of the trigger pulse starts the camera states machine which controls the sensor The falling edge of the trigger pulse stops the image acquisition Additionally the optional external strobe output is controlled by the rising edge of the trigger pulse Timing diagram Fig 5 19 shows the detailed timing for the external trigger mode with pulse width controlled exposure time The timing of the rising edge of the trigger pulse until to the start of exposure and strobe is equal to the timing of the camera controlled exposure time see Section 5 2 3 In this mode however the end of the exposure is controlled bv the falling edge of the trigger Pulsewidth The falling edge of the trigger pulse is delayed by the time ta iso input Which results from the signal isolator This signal is clocked into the FPGA which leads to a jitter of tjitter The pulse is then delayed by tirigger delav by the user defined value which can be configured via camera software After the trigger offset time tirigger offset the exposure is stopped In the trigger pulse width controlled exposure mode the image sensor operates lt gt in sequential read out mode see Section 5 1 6 The maximal frame rate is there fore lower than normal as the exposure start is only allowed after the read out of the previous frame 40 t external trigger pulse input exposure trigger after isolator Licisostnp t trigger pulse rising edge camera control t jitter l de
41. el 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 Sales Phone 41 55 451 00 00 Email sales photonfocus com Phone 41 55 451 00 00 Email support photonfocus com Table 1 1 Photonfocus Contact 1 3 Sales Offices Photonfocus products are available through an extensive international distribution network and through our key account managers Details of the distributor nearest you and contacts to our key account managers can be found at www photonfocus com 1 4 Further information Photonfocus reserves the right to make changes to its products and documenta CE tion without notice Photonfocus products are neither intended nor certified for use in life support systems or in other critical systems The use of Photonfocus products in such applications is prohibited Photonfocus is a trademark and LinLog is a registered trademark of Photonfo G
42. erDelay 5 25 Burst Trigger 5 2 6 Trigger timing valuesj 5 2 7 Software Trigge 5 2 8 Missed Trigger Counters 5 2 9 Counter Reset by an External Signal 5 2 10 Strobe Output 5 3 High Dynamic Range multiple slope Mode EEE ct CONTENTS CONTENTS 5 5 Gain and Offset 5 6 Grey Level Transformation LUT 5 8 5 7 1 Functionality 5 8 2 Status Line 5 8 3 Camera Type Codes Image Information and Status Line 5 8 1 Counters and Average Value 5 6 3 User defined Look up Table 5 6 4 Region LUT and LUT Enable 5 7 Crosshairs 5 9 Test IMAGES e ii aa a A A Te Pee hye po 5 9 1 Ramp 5 9 2 LFSRI 5 9 3 Troubleshooting using the LESRJ o e e e 5 10 Configuration Interface CameraLink o o ooo o 6 Hardware Interface 7 8 9 6 1 Connectors 6 1 1 _CameraLink Connector 74 6 1 2 Power Supply o 7 2 PFRemote and PFLib 7 3 Operating System Installation Notes 7 5 Graphical User Interface GUI 74 7 6 Device Properties Graphical User Interface GUI 8 1 Mechanical Considerations 9 1 7 5 1 Port Browser 1 3 Trigger and Strobe Signals 6 1 4 Status Indicator CameraLink cameras 6 1 5 CameraLink Data Interface The PFRemote Control Tool Overview 7 5 2 Ports De
43. erface e Frame rates of the D 160 camera series 37 fps 2048 x 2048 pixel 4 MPix camera only 71 fps 2048 x 1088 150 fps 1024 x 1024 318 fps 640 x 480 Frame rates of the D 240 camera series 45 fps 2046 x 2048 pixel 4 MPix camera only 85 fps 2046 x 1088 180 fps 1020 x 1024 755 fps 636 x 480 e L series line scan frame rates 27300 fps 2048 x 1 25400 fps 2048 x 2 e Opto isolated trigger input and opto isolated strobe output e Up to 8 regions of interest MROI 2 look up tables 12 to 8 bit on user defined image region Region LUT e Crosshairs overlay on the image e Image information and camera settings inside the image status line e Software provided for setting and storage of camera parameters e The rugged housing at a compact size of 55 x 55 x 42 mm makes the Photonfocus 2048 camera familiy 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 15 4 Product Specification 4 2 Feature Overview The general specification and features of the camera are listed in the following sections The detailed description of the camera features is given in Chapter 5 Characteristics Interface Photonfocus 2048 CameraLink Series CameraLink base configuration Camera Control PFRemote Windows GUI or programming library Configuration Interface Trigger Modes CLSERIAL 9 600 baud up
44. erface trigger setup The trigger is generated by the frame grabber board and sent on the CC1 signal through the CameraLink interface Some frame grabbers allow the connection external trigger devices through an I O card A schematic diagram of this setup is shown in Fig I O Trigger In the I O trigger mode the trigger signal is applied directly to the camera by the power supply connector via an optocoupler A setup of this mode is shown in Fig The electrical interface of the I O trigger input and the strobe output is described in Section 6 1 3 Machine Vision System PC Camera CameraLink Frame Grabber EXSYNC CC1 Softtrigger lt Data CameraLink Figure 5 15 Interface trigger source 5 2 3 Exposure Time Control Depending on the trigger mode the exposure time can be determined either by the camera or by the trigger signal itself Camera controlled Exposure time 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 Trigger controlled Exposure time 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 External Trigger
45. ese cables O not all twisted pairs are separately shielded to meet the RS644 standard These pairs are used for the transmission of the RX TX and for the CC1 to CC4 low frequency control signals IMI Histogramm Port A Picture 620 IMI Histogramm Port A Picture 620 ogramm Port A Picture 620 127 255 Figure 5 37 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 ahil rm li Figure 5 38 LFSR test pattern received at the frame grabber and histogram containing transmission errors e CameraLink cables contain wire pairs which are twisted in such a way that the 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 Please contact the Photonfocus Support for consulting expertise Appropriate CameraLink cable solutions are available from Photonfocus 5 9 Test Images 63 5 Functionality 5 10 Configuration Interface CameraLink A CameraLink camera can be controlled by the user via a RS232 compatible asynchronous serial inte
46. gs as Decimation or MROI are supported in this mode The resulting number of rows must not exceed 4 in the Line Scan mode Frame Combine In the FrameCombine mode the camera combines n n NrOfFrames into one frame In some cases it consumes less CPU power to process these combined frames than to process everv frame individuallv There exist possibilities to transmit the combined frame even if there is not enough data to fill it FrameCombineTimeout A timeout can be specified after which the combined frame will be transmitted regardless if there was enough data to fill it The timeout counter is reset after each frame and counts until a new trigger has been detected or until the timeout is reached A FrameCombineTimeout value of 0 disables the FrameCombine timeout fea ture ForceTimeout The transmission of the combined frame is forced by writing to the ForceTimeout property When the FrameCombine is aborted then the remaining data in the combined frame will be filled with filler data the first two pixels of every filler row have the values OxBB decimal 187 and 0x44 decimal 68 The remaining pixels of the filler rows have the value 0 5 1 Reduction of Image Size 27 width 5 Functionality 5 1 3 Multiple Regions of Interest The Photonfocus 2048 camera series can handle up to 8 different regions of interest This feature can be used to reduce the amount image data and increase the frame rate An application example for u
47. he number of pixels in y direction by skipping rows Decimation in colour cameras is slightly different from the monochrome cameras because the order of the Bayer pattern must be maintained Beginning from the first row always two rows are read out and then an even number of rows is skipped The red rows in Fig 5 11jare read out and the total number of rows is the sum of the red rows The number of skipped rows for decimation d are Hay d 1 2 The resulting number or rows for Window H h htot 2 floor h d min h mod 2 x d 2 CS The total number of rows can be read by the property Window HInterface Decimation Haxip uUi BY Ww Table 5 3 Values of Ha as a function of decimation Window H htot d 2 htot d 3 Hhtotr d 4 Table 5 4 Examples of total rows in colour decimation Decimation 2 Decimation 3 Window H Figure 5 11 Example of decimation in colour cameras 34 5 1 6 Maximal Frame Rate The maximal frame rate of the camera depends on the camera settings The following factors influence the maximal frame rate see also Tablef5 1 e The length of the exposure time A shorter exposure time can lead to an increase in the maximal frame rate e ROI height a smaller height ROI can lead to an increase in the maximal frame rate e ROI width a smaller width ROI can lead to an increase in the maximal frame rate b
48. hows decimation on the full image The rows that will be read out are marked by red lines Row 0 is read out and then every nt row 0 0 iwa Vinee Figure 5 6 Decimation in full image Fig 5 7 shows decimation on a ROI The row specified by the Window Y setting is first read out and then every nt row until the end of the ROI Fig 5 8 shows decimation and MROI For every MROI region m the first row read out is the row specified by the MROI lt m gt Y setting and then every nt row until the end of MROI region m 5 1 Reduction of Image Size 31 5 Functionality 0 0 a Vias Figure 5 7 Decimation and ROI 0 0 ROI MROI 0 x max Y max Figure 5 8 Decimation and MRO 32 The image in Fig 5 9 on the right hand side shows the result of decimation 3 of the image on the left hand side Figure 5 9 Image example of decimation 3 An example of a high speed measurement of the elongation of an injection needle is given in Fig In this application the height information is less important than the width information Applying decimation 2 on the original image on the left hand side doubles the resulting frame rate ROI without decimation ROI with decimation Figure 5 10 Example of decimation 2 on image of injection needle 5 1 Reduction of Image Size 33 5 Functionality 5 1 5 Decimation colour cameras Decimation reduces t
49. igure 7 3 Main buttons Reset Reset the camera and load the default configuration Store as defaults Store the current configuration in the camera flash memory as the default configuration After a reset the camera will load this configuration by default Settings file File Load Load a stored configuration from a file Settings file File Save Save current configuration to a file Factory Reset Reset camera and reset the configuration to the factory defaults 7 6 Device Properties Cameras or sensor devices are generally addressed as device in this software These devices have properties that are accessed by a property name These property names are translated into register accesses on the driver DLL The property names are reflected in the GUI as far as practicable A property name normally has a special mark up throughout this document for example ExposureTime Some properties are grouped into a structure whose member is accessed via dot notation e g Window X for the 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 72 Graphical User Interface GUI 8 1 MV1 D2048 x1088 160 MV1 L2048 160 GUI description GUI description description description This section describes the parameters of the following camera e MV1 D2048 x1088 160 CL CameraLink interface MV1 D2048 x1088 240 CL CameraLink interface e MV1 L2
50. ine c shows brightness thresholding and the result is an image with only black and white grey levels and line d applies a gamma correction see also Section i Figure 5 24 Commonly used LUT transfer curves 5 6 1 Gain The Gain mode performs a digital linear amplification with clamping see Fig 5 25 It is configurable in the range from 1 0 to 4 0 e g 1 234 Grey level transformation Gain y 255 1023 a x 300 T T T T 250 200 150 100 y grey level output value 8 bit DN 50 0 l l l l l 0 200 400 600 800 1000 1200 x grey level input value 10 bit DN Figure 5 25 Applying a linear gain with clamping to an image 5 6 Grey Level Transformation LUT 51 5 Functionality 5 6 2 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 5 26 gamma lt 1 0 results in an amplification see Fig 5 27 Gamma correction is often used for tone mapping and better display of results on monitor screens Figure 5 26 Figure 5 27 52 Grey level transformation Gamma y 255 1023 x v21 300 T T T T T 250r 200 150 100 F E a ounonvo 50r y grey level output value 8 bit DN 0 l l l 0 200 400 600 800 1000 1200 x grey level input value 10 bit DN Applying gamma correction to an imag
51. inear mode The HDR multi slope mode clips illuminated pixels which reach a programmable voltage while leaving the darker pixels untouched see Fig The clipping level can be adjusted once 2 slopes or twice 3 slopes within the exposure time Parameters Multislope Mode There are 3 predefined HDR parameter sets LowCompression NormalCompression and HighCompression If Multislope_Mode is set to UserDefined then the individual parameters can be set to user defined values Multislope NrSlopes Number of slopes Multislope_NrSTopes 2 2 slopes with only kneepoint B Multislope_NrSlopes 3 3 slopes with kneepoints A and B Multislope Value1 Corresponds to Vlow1 the higher the value the higher the compression Multislope Time1 Time corresponding to kneepoint B The value is the fraction per mill of the total exposure time Multislope Value2 Corresponds to Vlow2 the higher the value the higher the compression This value is ignored if Multislope_NrSlopes 2 Multislope Time2 Time corresponding to kneepoint A The value is the fraction per mill of the total exposure time This value is ignored if Multislope_NrSlopes 2 The red line in Fig 5 21 shows a pixel with high illumination Without the HDR 3 slopes mode the pixel would have reached its saturated value With HDR mode the pixel reaches value P1 which is below the saturation value The resulting pixel response in this case is shown in Fig 5 22 The blue line P2 show
52. ing diagram of the burst trigger mode is shown in Fig The timing of the external trigger pulse input until to the trigger pulse internal camera control is equal to the timing in the section Fig This trigger pulse then starts after a user configurable burst trigger delay time tpurst trigger delay the internal burst engine which generates n internal 5 2 Trigger and Strobe 41 5 Functionality external trigger pulse input trigger after isolator trigger pulse internal camera control delayed trigger for burst trigger engine a uistiriogerdalay delayed trigger for shutter control A ct trigger delay internal shutter control cr trigger offset t exposure l l delayed trigger for strobe control Laiabesdelsy internal strobe control Esos be offset E Gobecduration l l external strobe pulse output gt V ides autut Figure 5 20 Timing diagram for the burst trigger mode triggers for the shutter and the strobe control A user configurable value defines the time tourst period time between two acquisitions 42 5 2 6 Trigger timing values Tablef5 8jand Table 5 9 show the values of the trigger timing parameters D 160 D 160 Timing Parameter Minimum Maximum ta iso input 45 ns 60 ns Litter 0 25 ns ttrigger delay 0 0 42 s tburst trigger delav 0 0 42 s thurst period time depen
53. ing voltage of 12V DC 10 7 Connect the power supply to the camera see Fig 3 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 8 Download the camera software PFRemote to your computer Cg 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 13 Setup PFRemote and SDK 5 xj 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 Cancel www photonfocus com Figure 3 3 Screen shot PFremote setup wizard 10 Start the camera software PFRemote and choose the communication port 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 13 3 How to get started CameraLink PFRemote 2 8 File Help f Ports Matrox MY1 D2048x1088 160 Solios XCL O Porti 1 Et RS 232 15 15 40 Opening device on port Solios 15 15 42 Baud rate 115200 15 15 42 Device opened on port Soli
54. ion LUTs LUT 0 LUT 1 and Region LUT are enabled LUT 0 is active in region 0 x00 x01 y00 y01 and it supersedes LUT 1 in the overlapping region LUT 1 is active in region 1 x10 x11 y10 y11 Fig 5 30 shows an example of keyhole inspection in a laser welding application LUT 0 and LUT 1 are used to enhance the contrast by applying optimized transfer curves to the individual regions LUT 0 is used for keyhole inspection LUT 1 is optimized for seam finding 5 6 Grey Level Transformation LUT 53 5 Functionality 0 0 x00 x10 x01 xil y014 vil sas o Mieg Figure 5 29 Overlapping Region LUT example 0 0 0 0 Oso nad Figure 5 30 Region LUT in keyhole inspection 54 Otras Yun Fig shows the application of the Region LUT to a camera image The original image without image processing is shown on the left hand side The result of the application of the Region LUT is shown on the right hand side One Region LUT was applied on a small region on the lower part of the image where the brightness has been increased Figure 5 31 Region LUT example with camera image left original image right gain 4 region in the are of the date print of the bottle 5 6 Grey Level Transformation LUT 55 5 Functionality 5 7 Crosshairs 5 7 1 Functionality The crosshairs inserts a vertical and horizontal line into the image The width of these lines is one pixel
55. ion of 8 bit 10 Bit Grey level resolution of 10 bit Digital Gain 8 1 MV1 D2048 x1088 160 MV1 L2048 160 79 8 Graphical User Interface GUI 1x No digital gain normal mode 2x Digital gain 2 4x Digital gain 4 8x Digital gain 8 Digital Offset Substracts an offset from the data Only available in gain mode Analog Gain 1 0x No analog gain gain 1 0x 1 2x Analog gain 1 2x 1 4x Analog gain 1 4x 1 6x Analog gain 1 6x Fine Gain The fine gain can be used to adjust the brightness of the whole image in small steps Color Color models only There is additionally a gain for every color channel The color fine gain is used to calibrate the white balance in an image which has to be set according to the current lighting condition Fine gain blue Gain applied to the blue channel Fine gain green1 Gain applied to the green channel on the same row as the blue channel Fine gain green2 Gain applied to the green channel on the same row as the red channel Fine gain red Gain applied to the red channel 80 8 1 5 Data Output MV1 D2048x1088 1 240 only This tab contains image data settings MV1 D2048x1088 240 cIO 4 Serial 1 ea Exposure Window Trigger Data Output LUT Multislope Info Reset Output Mode Store as Defaults Output Mode Normal 7 Settings File Resolution 8 Bit Digital Gain Factory Reset Digital Offset 12bit Frame Rate fps Analog Gain Fine Gain y Update
56. l The image counter and the real time counter timestamp see Section 5 8 1 can be reset by an external signal Both counters can be embedded into the image by the status line see Section or their register can be read out These counters may be used to check that no images are lost or to ease the synchronisation of multiple cameras The external signal to reset the above mentionend counters is selected by the property ResetCounter Source Available choices are CCI to CC4 I0 Trigger and ExposureStart ExposureStart resets the counters at the start of an exposure The property ResetCounter Mode determines how often the selected source should reset the counters The setting Once works together with the property ResetCounter OnNextTrigger If Counter ResetCounterMode 0nce then the counters are reset on the next active edge of the selected reset source property ResetCounter Source after the device is armed with ResetCounter OnNextTrigger True The register ResetCounter OnNextTrigger is reset after the resetting trigger is received The setting Counter ResetCounterModezContinuous resets the counters on every occurrence of an active edge of the reset source without the requirement to arm the device first This setting is suited if the reset source signal is different than the camera trigger The active edge of the reset input can be set by the property ResetCounter SourceInvert If set to True then the rising edge is the active edge else
57. layed trigger rising edge for shutter set gt t trigger delay trigger pulse falling edge camera control Gitter delayed trigger falling edge shutter reset asadas internal shutter control t trigger offset t exposure delayed trigger for strobe control strobe delay internal strobe control t t strobe offset strobe duration external strobe pulse output esti Figure 5 19 Timing diagram for the Pulsewidth controlled exposure time 5 2 4 Trigger Delay The trigger delay is a programmable delay in milliseconds 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 5 2 5 Burst Trigger The camera includes a burst trigger engine When enabled it starts a predefined number of acquisitions after one single trigger pulse The time between two acquisitions and the number of acquisitions can be configured by a user defined value via the camera software The burst trigger feature works only in the mode Camera controlled Exposure Time The burst trigger signal can be configured to be active high or active low When the frequency of the incoming burst triggers is higher than the duration of the programmed burst sequence then some trigger pulses will be missed A missed burst trigger counter counts these events This counter can be read out by the user The tim
58. lity Simultaneous Read out Timing 1 The exposure time is smaller than the read out time in this timing see Fig Exposure is started during the sensor read out of the previous frame The maximal frame rate is in this case values are given in Table 5 5 Tablef5 6jand Tablef5 7 MaxFrameRate 1 ReadoutTime TExpDel TReadoutDel To avoid a sensor artifact the exposure must start at a fixed position from the start of the read out of one row Therefore the exposure start must be delayed by a time TExpDel which can be as long as the read out of one row The ReadoutTime is the height of ROI multiplied by the read out time of one row see Table Frame lt n gt Frame lt n 1 gt Trigger Exposure Readout lt IK TReadoutDel Readout Time Figure 5 12 Simultaneous read out timing 1 exposure time smaller than read out time Simultaneous Read out Timing 2 The exposure time is bigger than the read out time in this timing see Fig 5 13 Exposure is started during the sensor read out of the previous frame The maximal frame rate is in this case values are given in Table 5 5 MaxFrameRate 1 ExposureTime TExpDel1 TReadoutDel TExpDel1 is 1 25 us for the D 160 cameras and 1 042 us for D 240 and L 160 cameras The ReadoutTime is the height of the ROI multiplied by the read out time of one row see Table 5 5 Frame lt n gt Frame lt n 1 gt Trigger Exposure l Readout Readout Tim
59. llowing abbreviations are used see also Table 2 1 2048 camera series All cameras covered in this manual D camera Cameras that don t have a line scan mode These cameras have Prefix2 D see also Fig 2 1 L camera Cameras that have a line scan mode These cameras have Prefix2 L see also Fig D xxx D cameras with camera speed xxx e g D 160 L xxx L cameras with camera speed xxx e g L 160 NIR enhanced Cameras that have a Near Infrared NIR enhanced sensor Color Cameras that have a colour sensor Name Resolution Camera Family Abbreviation LESE MV1 D2048x1088 160 CL 10 2 MPix D camera MV1 D2048x10881 160 CL 10 2 MPix D camera no MV1 D2048x1088C 160 CL 10 2 MPix D camera yes MV1 D2048x1088 240 CL 8 2 MPix D camera no MV1 D2048x10881 240 CL 8 2 MPix D camera no MV1 D2048x1088C 240 CL 8 2 MPix D camera yes MV1 D2048 160 CL 10 4 MPix D camera no MV1 D20481 160 CL 10 4 MPix D camera no MV 1 D2048C 160 CL 10 4 MPix D camera D 160 no yes MV1 D2048 240 CL 8 4 MPix D camera D 240 no no MV1 D20481 240 CL 8 4 MPix D camera no MV1 D2048C 240 CL 8 4 MPix D camera yes MV 1 L2048 160 CL 10 2 MPix L camera no MV 1 L20481 160 CL 10 2 MPix L camera L 160 yes no MV 1 L2048C 160 CL 10 2 MPix L camera L 160 no yes Table 2 1 Camera models covered by this manual 10 3 How to get started CameraLink The following items are required to operate your Photonfocus 2048 CameraLink c
60. mageCounter can be resetted Updat I 794 d E Ipdate mage Update Reset by an external triiger event If Once is selected use OnNextTrigger to arm the camera Missed Trigger 0 Update Reset for the next trigger event Missed Burst Trigger 0 Update Reset Mode Off M OnNextTrigger Source ExposureStart Ww invert Status Line The status line replaces the last row of the image with camera status information Every parameter is coded into Fields of 4 pixels Enable Status Line Figure 8 10 Info panel Camera Info Camera name Name of the connected camera Tvpecode 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 Baudrate The actual baud rate between camera and frame grabber 88 CE For any support requests please enclose the information provided on this panel Counters The camera has the following counters Image The image counter is a 24 bit real time counter and is incremented by 1 for every new image Missed Trigger 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
61. me exceeds a timeout value the combined frame is generated and the missing individual frames are replaced by dummy frames Note that the frame grabber timeout should be bigger than the FrameCombine timeout to avoid a timeout on the frame grabber The resulting height setting Htot for the frame grabber is visible in the Window panel see Section 8 1 2 Enable Enable the FrameCombine mode Note that the FrameCombine mode is only available if EnLinescanHighSpeedMode is checked NrOfFrames Number of individual frames that are combined into one combined frame ForceTimeout A combined frame is generated when the button is clicked Missing individual frames are replaced by dummy frames Timeout FrameCombine timeout value us 8 1 MV1 D2048 x1088 160 MV1 L2048 160 87 8 Graphical User Interface GUI 8 1 9 Info This panel shows camera specific information such as tvpe code serial number and firmware revision of the FPGA and microcontroller and the description of the camera interface MV1 D2048 160 Solios XCL O Porto O Serial 1 Exposure Window Trigger Data Output LUT 1 Multislope Correction Info Reset Camera Info Temperature Store as Defaults Camera name NI ADC PCB deg C Settings File Typecode j Serial Factory Reset Frame Rate fps uC Revision FPGA Revision Interface Average Value Baudrate Counters Reset Counters r The RealTimeCounter and the I
62. mode enabled and disabled As soon as it is performed via the camera software it will start the image acquisition s depending on the usage of the burst mode and the burst configuration The trigger mode must be set to Interface Trigger or I 0 Trigger 5 2 8 Missed Trigger Counters Missed Trigger Counter If an external trigger interface trigger or I O trigger is applied while the camera is not ready to accept a new trigger a counter Missed Trigger Counter is incremented and the trigger is rejected The value of the Missed Trigger Counter can be read out from a camera register Counter MissedTrigger or from the status line see Section 5 8 When the Missed Trigger Counter reaches its maximal value it will not wrap around The user can reset the Missed Trigger Counter Missed Burst Trigger Counter The missed burst trigger counter counts trigger pulses that were ignored by the camera in the burst trigger mode because they occurred while the camera was not ready to accept a new trigger To avoid this the Burst Period Time must be incremented so that the minimal frame time for the current settings is not violated The value of the Missed Burst Trigger Counter can be read out from a camera register Counter MissedBurstTrigger or from the status line see Section 5 8 When the Missed Trigger Counter reaches its maximal value it will not wrap around The user can reset the Missed Burst Trigger Counter 5 2 9 Counter Reset by an External Signa
63. n image thus reducing the data rate and increasing the frame rate The most commoniv used feature is Region of Interest ROI 5 1 1 Region of Interest ROI Some applications do not need full image resolution Bv reducing the image size to a certain region of interest ROI the frame rate can be increased A region of interest can be almost any rectangular window and is specified by its position within the full frame and its width W and height H O The ROI width must be a multiple of 2 in the D 160 and L 160 cameras and a multiple of 6 in the D 240 cameras A list of common image dimension and its frame rates is shown in Table 5 1 and Table 5 2 There is a frame rate calculator in the support section of the Photonfocus web page www photonfocus com ROI Dimension Standard D 160 D 240 2048 x 2048 1 37 fps 45 fps 2048 x 1088 71 fps 85 fps 1280 x 1024 SXGA 75 fps 180 fps 1280 x 768 WXGA 100 fps 240 fps 800 x 600 SVGA 255 fps 306 fps Y 640 x 480 VGA 318 fps 755 fps 512x 1 23134 fps 27633 fps 640 x 1 18903 fps 27633 fps 480 x 480 629 fps 755 fps 640 x 640 239 fps 570 fps 1024 x 1024 150 fps 180 fps Table 5 1 Frame rates of different ROI settings minimal exposure time Footnotes 74 MPix cameras only width 2046 widthz1278 width 798 width 636 width 510 7 width 1020 Reduction in width also results in a frame rate increase The increase is not linear but
64. nsor bit depth 10 bit Maximal Frame rate 70 9 fps 9 27300 fps 85 1 fps Camera pixel formats 10 8 bit 8 bit Pixel clock frequency 80 MHz 80 MHz CameraLink taps 2 3 Digital Gain 0 1 to 15 99 Fine Gain Exposure Time D series 15 us 0 42 5 25 ns steps 13 us 0 349 s 20 8 ns steps Exposure Time L series 13 us 0 349 s 20 8 ns steps n a Table 4 3 General specification of the 2 MPix models of the Photonfocus 2048 series Footnotes Dp cameras at full resolution 2 L cameras at 2048x1 in line scan mode 18 D 160 D 240 Sensor Technology CMOSIS CMV4000 CMOS active pixel Scanning system Optical format diagonal progressive scan 1 15 92 mm diagonal Resolution 2048 x 2048 pixels 2046 x 2048 pixels Pixel size Active optical area 5 5 um x 5 5 um 11 26 mm x 11 26 mm Full well capacity Spectral range standard sensor 11 ke7 lt 350 to 900 nm to 10 of peak responsivity Spectral range of I models lt 350 to 970 nm to 10 of peak responsivity Spectral range of colour models Conversion gain 390 to 670 nm to 10 96 of peak responsivity 0 075 LSB e Sensitivity 5 56 V lux s with micro lenses 550 nm Optical fill factor 42 without micro lenses 125 e s 25 C Dynamic range 60 dB Dark current Micro lenses Yes RGB Bayer Raw Data Pattern Linear Piecewise linear multiple slope Colour format C
65. nt with the CameraLink standard see CL Table 4 7 shows the tap configurations for the D 160 and L 160 camera models Tablej4 8jshows the tap configurations for the D 240 cameras Bit Tap 0 Tap 1 TapO Tap1 TapO Tap 1 9 MSB of 10 Bit 10 11 MSB of 12 Bit Table 4 7 CameraLink 2 Tap port and bit assignments for the D 160 and L 160 cameras 4 6 Frame Grabber relevant Configuration 23 4 Product Specification Bit Tap 0 Tap 1 Tap 2 0 LSB NN OD uy A3 Ww N Table 4 8 CameraLink 3 Tap port and bit assignments for the D 240 cameras 4 6 1 3 Tap Mode The D 240 cameras comply with the 8bit monochrome 3 tap CameraLink base standard The first pixel in the image is located at tap 0 the second at tap 1 and the third is located at tap 2 At the time of writing no framegrabber visualization GUI supports this mode It is however possible and easy to write applications using this 3 tap mode when the 24 bit RGB mode is used instead In this configuration the red channel is tap 0 or pixel 0 the green channel is tap 1 or pixel 1 and the blue channel is tap2 or pixel 2 If the 24 bit RGB mode is used the framegrabber s image width must be set 3 lt gt times smaller than the camera s image width The D 240 cameras send 3 pixel data per CameraLink clock cycle in parallel The framegrabber in 24 bit RGB mode however processes these 3 pixels
66. o Trigger Strobe Store as Defaults Mode Strobe Delay ms 0 0000 Settings File O Free running O Interface Trigger 1 0 Trigger Strobe Pulse Width ms 1 0000 Exposure time defined by Exposure time defined by Strobe signal active low Trigger Pulse Width is also known as Level controlled trigger Frame Rate Fps Trigger Delay ms Burst Trigger Note For limitations of the Level controlled trigger Update please refer to the manual The Following combinations are not available Level controlled trigger and Multislope Level controlled trigger and Burst trigger Burst Trigger Period ms Average Value Nr of Burst Triggers Burst Trigger Delay ms Normal trigger mode An external trigger event Burst trigger mode An external trigger event starts a predefined number of acquisitions starts one acquisition The period time between the acquisitions can be configured Interface or Burst Trigger y VO Trigger Dela d da Interfce or fl Exposure 1 Ps VO Trigger H j Exposure time Burst Trigger Period o ii 1 4 Tiger Delay ee j jA fe Exposure d n l led b Exposure time n Nr of Burst Triggers Strobe Pulse Width i Trigger Delay ko ee o Strobe Delay B Strobe Pulse Width SS 1g_yiStrobe Delay Figure 8 4 Trigger panel Trigger Trigger Source Free running The came
67. ormation for the following models D160 MV1 D2048 160 CL 10 1160 MV1 D20481 160 CL 10 C160 MV1 D2048C 160 CL 10 D160 1160 C160 V1 0 D160 1160 C160 V2 0 ROI Line Scan Mode yes yes no no Frame Combine no no yes yes Decimation Standard Trigger yes yes Counter Reset External no yes Multiple Slope yes yes Column FPN Correction no yes Digital Gain Offset y es yes Analog Gain yes yes yes yes Crosshairs Status Line V1 0 yes no Status Line V1 1 no y es Test Images yes yes yes yes Data Resolution 10 Bit Table B 2 Revisions Camera Link 4 MP Area Scan Cameras B 3 4MP Area Scan Cameras Speedgrade 160 103 B Camera Revisions B 4 4MP Area Scan Cameras Speedgrade 240 TablejB 3 shows revision information for the following models D240 MV1 D2048 240 CL 8 1240 MV1 D20481 240 CL 8 D240 1240 V1 0 D240 1240 V2 0 ROI yes yes Line Scan Mode no no Frame Combine no no MROI yes yes Decimation yes yes Standard Trigger yes yes Counter Reset External no yes Multiple Slope yes yes Column FPN Correction no yes Digital Gain Offset yes yes Analog Gain yes yes LUT yes yes Crosshairs yes yes Status Line V1 0 yes no Status Line V1 1 no yes Test Images yes yes Data Resolution 8 Bit yes yes Data Resolution 10 Bit no no Table B 3 Revisions Camera Link 4 MP Area Scan Cameras Speedgrade 240 104 B
68. os Figure 3 4 PFRemote start window 14 MV 1 D2048x1088 160 Solios XCL O PortO O Serial 1291 Exposure Window Trigger Data Output LUT Multislope Info Exposure Exposure time ms Y C Constant Frame Rate Frame time ms pene Black Level Offset 16304 Y 2 500 14 105 4 Product Specification 4 1 Introduction The Photonfocus 2048 CMOS camera series is built around the CMOS image sensors CMV2000 and CMV4000 from CMOSIS that provide a resolution of 2048 x 1088 CMV2000 or 2048 x 2048 pixels CMV4000 The cameras are optimized for low light conditions and there are standard monochrome NIR enhanced monochrome I and colour C models The cameras are aimed at standard applications in industrial image processing where high sensitivity and high frame rates are required The L 160 cameras contain a dedicated line scan mode where up to 4 rows can be acquired at very high speeds 27300 fps for 2048x1 pixels making it a cost effective replacement for line scan cameras The principal advantages are e Resolution of 2048 x 1088 or 2048 x 2048 pixels e Optimized for low light conditions e Spectral range monochrome standard 350 900 nm NIR enhanced 350 950 nm e Global shutter correlated double sampling CDS in the pixel e Micro lenses e Colour cameras Bayer pattern filter and cut off filter 660nm e CameraLlink base int
69. out by the user The exposure time in external trigger mode can be defined by the setting of the exposure time register camera controlled exposure mode or bv the width of the incoming trigger pulse trigger controlled exposure mode see Section 5 2 3 An external trigger pulse starts the exposure of one image In Burst Trigger Mode however a trigger pulse starts the exposure of a user defined number of images see Section l The start of the exposure is shortly after the active edge of the incoming trigger An additional trigger delay can be applied that delays the start of the exposure by a user defined time see Section 5 2 4 This often used to start the exposure after the trigger to a flash lighting source 5 2 2 Trigger Source The trigger signal can be configured to be active high or active low One of the following trigger sources can be used 5 2 Trigger and Strobe 37 5 Functionality Free running The trigger is generated internally by the camera Exposure starts immediately after the camera is ready and the maximal possible frame rate is attained if Constant Frame Rate mode is disabled In Constant Frame Rate mode exposure starts after a user specified time Frame Time has elapsed from the previous exposure start and therefore the frame rate is set to a user defined value Interface Trigger In the interface trigger mode the trigger signal is applied to the camera by the CameraLink interface Fig shows a diagram of the int
70. photon focus User Manual Photonfocus D L 2048 CameraLink Series CMOS Area Scan Camera MANO54 11 2013 V1 3 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 1 2 Conta ti cis rca eas ao ae aw EO 1 3 Sales Offices cles PPP 15 Legend o o o o oo o 2 Introduction 2 1 Camera Naming convention 2 2 Camera list 3 How to get started CameraLink 4 Product Specification 4 1 Introduction 4 2 Feature Overview 4 3 Available Camera Models 4 4 Technical Specification 4 5 RGB Bayer Pattern Filter 4 6 Frame Grabber relevant Configuration 4 6 1 3 Tap Mode 5 Functionality 5 1 Reduction of Image Size 5 1 1 Region of Interest ROI 5 1 2 Line Scan Mode L cameras only 5 1 3 Multiple Regions of Interes 5 1 4 Decimation monochrome cameras 5 1 5 Decimation colour cameras 5 1 6 Maximal Frame Ratel 5 2 TriggerandStrobe 5 2 1 Introduction ee ee e murs 5 2 3 Exposure Time Controlj 5 2 4 Trigg
71. r 28 8 Missed Burst Trigger Counter 32 11 Horizontal start position of ROI Window X 36 11 Horizontal end position of ROI Window X Window W 1 40 11 Vertical start position of ROI Window Y In MROI mode this parameter is the start position of the first ROI 44 11 Number of rows 1 48 2 Trigger Source 52 2 Digital Gain 56 2 Digital Offset 60 16 Camera Type Code see Table 64 32 Camera Serial Number 68 32 Reserved 72 32 Custom value value of register StatusLineCustomValue that can be set by the user 76 16 FineGain This is fixed a point value in the format 4 digits integer value 12 digits fractional value 80 24 Reserved 84 32 Reserved 88 32 Reserved 92 4 Trigger Level signal level of the trigger input signal only available in some models see Appendix B Bit 0 ExSync CC1 Bit 1 I O Trigger Bit 2 CC3 Bit 3 CCA This entry is only available in some models see Appendix B Table 5 11 Assignment of status line fields 5 8 Image Information and Status Line 59 5 Functionality 5 8 3 Camera Type Codes Camera Model Camera Type Code MV1 D2048x1088 160 CL 10 402 MV1 D2048x10881 160 CL 10 413 MV1 D2048x1088C 160 CL 10 412 MV 1 D2048x1088 240 CL 8 403 MV 1 D2048x10881 240 CL 8 TBD MV 1 D2048 160 CL 10 452 MV 1 D20481 160 CL 10 453 MV 1 D2048C 160 CL 10 454 MV1 D2048 240 CL 8 458 MV 1 D20481 240 CL 8 TBD MV 1 L2048 160 CL 10 420 MV 1 L2048
72. r of pixels of all grey values are the same Please refer to application note ANO26 for the calculation and the values of the LFSR test image 5 9 3 Troubleshooting using the LFSR To control the quality of your complete imaging system enable the LFSR mode set the camera window to a width that is a multiple of 1024 and check the histogram If your frame grabber application does not provide a real time histogram store the image and use a graphic software tool to display the histogram In the LFSR linear feedback shift register mode the camera generates a constant pseudo random test pattern containing all grey levels If the data transmission is error free the histogram of the received LFSR test pattern will be flat Fig On the other hand a 5 9 Test Images 61 5 Functionality Figure 5 36 LFSR linear feedback shift register test image non flat histogram Fig 5 38 indicates problems that may be caused either by the cable by the connectors or by the frame grabber A possible origin of failure message can be caused by the CameraLink cable which exceeds the maximum length The maximal cable length depends on the gt frequency of the pixel clock At a pixel clock of 80 MHz a length of 8 m can be achieved with a good cable Also CameraLink cables may suffer either from stress due to wrong installation or from severe electromagnetic interference 62 Some thinner CameraLink cables have a predefined direction In th
73. ra 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 I 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 Ce This property disables Multislope Burst trigger Cg Exposure time defined by Trigger Pulse Width is also known as Level controlled trigger Further trigger settings 8 1 MV1 D2048 x1088 160 MV1 L2048 160 77 8 Graphical User Interface GUI Trigger Delay ms 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 Burst Trigger An external trigger event start a predefined number of acquisition The period time between the acquisitions can be configured Enable Burst Trigger Delay in milliseconds from the input trigger edge to the rising edge of the strobe output signal Number of Burst Triggers Set the number of burst Burst Trigger Period ms Set the time between the burst in milliseconds Burst Trigger Delay ms Set the delay of the burst trigger in milliseconds S
74. re time Time 800 means 80 of the exposure time 8 1 MV1 D2048 x1088 160 MV1 L2048 160 85 8 Graphical User Interface GUI 8 1 8 LineScan MV1 L2048 only This tab contains the settings for the Line Scan mode available in the MV1 L2048 cameras MV1 L2048 160 Solios XCL O PortO 0 Serial 1 Exposure Window Trigger Data Output LUT Multislope LineScan Info reset LineScan HighSpeed Mode zii Store as Defaults Settings File Timeout us 10000 jim Factorv Reset Frame Rate fps Average Value FrameCombine Cl Enable NrOfFrames 1 v Figure 8 9 LineScan panel LineScan HighSpeed Mode Very high frame rates can be obtained in the Line Scan mode EnLinescanHighSpeedMode Enables the LineScan mode where high frame rates can be obtained Up to 4 rows can be read out in this mode The number of rows and their position can be set in the Region Of Interest setting in the Window panel as usual More advanced settings such as Decimation or MROI are supported in this mode The resulting number of rows must not exceed 4 in the Line Scan mode FrameCombine The FrameCombine mode can only be used when EnLinescanHighSpeedMode is checked When the FrameCombine mode has been enabled the camera combines n n NrOfFrames into one frame In some cases it consumes less CPU power to process these combined frames than to process every frame individually 86 If the time from one frame to the next fra
75. res a single voltage input see Table 4 5 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 For further details including the pinout please refer to Appendix AppendixjAl 65 6 Hardware Interface 6 1 3 Trigger and Strobe Signals The power connector contains an external trigger input and a strobe output The trigger input is equipped with a constant current diode which limits the current of the optocoupler over a wide range of voltages Trigger signals can thus directly get connected with the input pin and there is no need for a current limiting resistor that depends with its value on the input voltage The input voltage to the TRIGGER pin must not exceed 15V DC to avoid damage to the internal ESD protection and the optocoupler In order to use the strobe output the internal optocoupler must be powered with 5 15 V DC The STROBE signal is an open collector output therefore the user must connect a pull up resistor see Table 6 1 to STROBE_VDD 5 15 V DC as shown in Fig This resistor should be located directly at the signal receiver Vtrigger 5 15 V DC TRIGGER Vstrobe 2 5 15 V DC STROBE VDD 1k STROBE Pin 5 mme siena GRouno n 14 Figure 6 2 Circuit for the t
76. rface This interface is contained within the CameraLink interface as shown in Fig 5 39 and is physically not directly accessible Instead the serial communication is usually routed through the frame grabber For some frame grabbers it might be necessary to connect a serial cable from the frame grabber to the serial interface of the PC Image data FVAL LVAL DVAL p Pixel Clock CameraLink CameraLink CC Signals Serial Interface Figure 5 39 CameraLink serial interface for camera communication 64 Hardware Interface 6 1 Connectors 6 1 1 CameraLink Connector The CameraLink cameras are interfaced to external components via e aCameraLink connector which is defined by the CameraLink standard as a 26 pin 0 5 Mini Delta Ribbon MDR connector to transmit configuration image data and trigger e asubminiature connector for the power supply 7 pin Binder series 712 The connectors are located on the back of the camera Fig 6 1 shows the plugs and the status LED which indicates camera operation Power Supply Connector E yA CameraLink Connector Status LED Figure 6 1 Rear view of the CameraLink camera The CameraLink interface and connector are specified in CL For further details including the pinout please refer to Appendix AppendixjAl This connector is used to transmit configuration image data and trigger signals 6 1 2 Power Supply The camera requi
77. rigger input signals The maximum sink current of the STROBE pin is 8 mA Do not connect inductive 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 optocoupler 66 STROBE_VDD Pull up Resistor 15V gt 3 9 kOhm 10V gt 2 7 kOhm 8v gt 2 2 kOhm 7V gt 1 8 kOhm 5V gt 1 0 kOhm Table 6 1 Pull up resistor for strobe output and different voltage levels 6 1 4 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 A pulsating heartbeat indicates that the camera is powered up and is in idle mode without sending images LED Red Red indicates an active serial communication with the camera Table 6 2 Meaning of the LED of the CameraLink cameras 6 1 5 CameraLink Data Interface The CameraLink standard contains signals for transferring the image data control information and the serial communication Data signals CameraLink data signals contain the image data In addition handshaking signals such as
78. s a list of available communication ports in the main window TE E BitFlow Inc E Coreco Imaging E National Instruments clser dll at PFRemote directory 6 USB Es RS 232 Figure 7 2 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 70 Help Menu About Copyright notice and version information Help F1 Invoke the online help PFRemote documentation 7 5 2 Ports Device Initialization After starting PFRemote the main window as shown in Fig 7 2 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 gra
79. s a pixel with low illumination Its value never reaches Vlow2 or Vlow1 at the kneepoints and the resulting response is linear The parameters Multislope Valuel and Multislope_Value2 are only applied after er a camera trigger Note that in free running mode the camera trigger is applied internally by the camera itself 5 3 High Dynamic Range multiple slope Mode 47 5 Functionality Pixel reset E Vhigh E P2 Kneepoint A i NC pe Vlow2 Multislope Value2 Kneepoint B E NM Vlow1 Multislope Value1 P1 gt time lt Multislope_Time2 gt i Miren SSS ecd Multislope Time1 gt gt ERES AREA ASA Exposurelime gt Figure 5 21 Multi Slope HDR mode Output signal A A A A OOA ANE IET I E E EO Saturation level T Kneepoint B Kneepoint A number of electrons Figure 5 22 Piecewise linear response 48 5 4 Data Path Overview The data path is the path of the image from the output of the image sensor to the output of the camera The sequence of blocks is shown in figure Fig D gt The status line is not available on all camera revisions see Appendix B for a list of available features G Output data resolution is fixed to 8 bit in DR1 and D 240 camera models Image Sensor i Digital Offset i Digital Gain i Digital Fine Gain L Look up table LUT l Crosshairs insertion v
80. sing multiple regions of interest MROI is a laser triangulation svstem with several laser lines The multiple ROls are joined together and form a single image which is transferred to the frame grabber An individual MROI region is defined by its starting value in y direction and its height The starting value in horizontal direction and the width is the same for all MROI regions and is defined by the ROI settings The maximum frame rate in MROI mode depends on the number of rows and columns being read out Overlapping ROls are not allowed and no row must be read out more than once lt gt The individual ROI in a MROI must not overlap and no row should be included in more than one ROI In the colour models every single ROI should start at an even row and should KON contain an even number rows to have a correct Baver pattern in the output image Fig 5 3 compares ROI and MROI the setups visualized on the image sensor area are displaved in the upper half of the drawing The lower half shows the dimensions of the resulting image On the left hand side an example of ROI is shown and on the right hand side an example of MROI It can be readily seen that the resulting image with MROI is smaller than the resulting image with ROI only and the former will result in an increase in image frame rate Fig 5 4 shows another MROI drawing illustrating the effect of MROI on the image content 28
81. t Serial Interface Figure 6 3 CameraLink interface system The frame grabber needs to be configured with the proper tap and resolution settings otherwise the image will be distorted or not displayed with the correct aspect ratio Refer to Table 4 3Jand to Section 4 6 for a summary of frame grabber relevant specifications Fig shows symbolically a CameraLink system For more information about taps refer to the relevant application note ANO21 on the Photonfocus website 68 7 The PFRemote Control Tool 7 1 Overview PFRemote is a graphical configuration tool for Photonfocus cameras The latest release can be downloaded from the support area of www photonfocus com All Photonfocus cameras can be either configured by PFRemote or they can be programmed with custom software using the PFLib SDK PFLIB 7 2 PFRemote and PFLib As shown in Fig 7 1 the camera parameters can be controlled bv PFRemote and PFLib respectivelv To grab an image use the software or the SDK that was delivered with vour frame grabber Frame Grabber Figure 7 1 PFRemote and PFLib in context with the CameraLink frame grabber software 7 3 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 Lin
82. the falling edge 5 2 Trigger and Strobe 45 5 Functionality Counter reset by an external signal is important if you would like to synchronize multiple cameras One signal is applied to all cameras which resets the coun ters simultaneously The timestamps of all cameras are then theoretically syn c chronous with each other In practice every camera runs on its own clock source which has a precision of 30 ppm and therefore the values of the timestamp real time counter of the cameras may diverge with time If this is an issue then the counters could be reset periodically by the external signal G The counter reset by an external signal feature is not available on all camera revisions see Appendix B for a list of available features 5 2 10 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 The strobe output needs a separate power supply Please see Section and Fig 5 16 and Fig 5 17 for more information 46 5 3 High Dynamic Range multiple slope Mode The High Dynamic Range HDR mode is a special integration mode that increases the dynamic range of the pixels and thus avoids the saturation of the pixels in many cases The HDR mode is also called multiple slope mode or piecewise l
83. trobe 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 78 8 1 4 Data Output This tab contains image data settings MV1 D2048x1088C 160 Solios XCL O PortO O Serial 1 Exposure Window Trigger Data Output JLUT Mukislope info Expert Reset Store as Defaults Output Mode Color Output Mode Normal z Fine gain blue Settings File Resolution 8 Bit Fine gain green1 Digital Gain 1x Digital Offset 12bit 0 Fine gain green2 Factory Reset Frame Rate fps Analog Gabi J fps Fine gain red 1 Average Value Fine Gain Q Figure 8 5 MV1 D2048 x1088 I C 160 and MV1 L2048 I C 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 grev level resolution Ramp Test image Values of pixel are incremented by 1 starting at each row The pattern depends on the grey level resolution Resolution 8 Bit Grey level resolut
84. ut only in steps see Fig 5 1 e In pulse width controlled exposure mode the maximal frame rate is lower than normal as the exposure start is only allowed after the read out of the previous frame The maximal frame rate of the camera can be determined bv a frame rate calculator in the support section of the Photonfocus web page www photonfocus com The maximal frame rate with the current camera settings can be read out by a camera register with pflib and it is also displayed in the PFRemote tool To have a rough idea about the maximal allowed frame rate for a given setting it is important to know the 3 possible frame timings that are described in the next sections eS In free running mode only the Simultaneous Read out Timings occur Camera W lt WO WO lt W lt 2 WO W gt 2 W0 D 160 3 225 us 12 9 us D 240 2 6875 us 5 375 us 10 75 us Table 5 5 Time to read out 1 row D 160 WO 512 D 240 WO 640 Camera W lt WO WO lt W lt 2 W0 W gt 2 W0 D 160 39 13 us 45 58 us 58 48 us D 240 32 60 us 37 98 us 48 73 us Table 5 6 Value of TReadoutDel D 160 WO 512 D 240 WO 640 Camera W lt 424 424 lt W lt 852 852 lt W lt 1704 W gt 1704 Time for 1 row 3 225 us 5 375 us 10 75 us 21 5 us TReadoutDel 32 60 us 37 98 us 48 73 us 70 23 us Table 5 7 Values for L 160 area scan mode 5 1 Reduction of Image Size 35 5 Functiona
85. ux or QNX operating systems you may contact us for details of support conditions 7 4 Installation Notes Before installing the required software with the PFInstaller make sure that your frame grabber software is installed correctly 69 7 The PFRemote Control Tool 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 e CAMERANAME DLL Specific camera DLL e 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 e LALLSERIAL DLL Interface to CameraLink frame grabber which supports the clallserial dll e CLSER USB DLL Interface to USB port More information about these DLLs is available in the SDK documentation SW002 7 5 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 7 5 1 Port Browser On start PFRemote display
86. vice Initialization o 7 5 3 Main Buttons MV1 D2048 x1088 160 MV1 L2048 160 aasa naaa aa 8 1 1 Exposurej 8 1 2 Window 8 1 3 Trigger 8 1 4 Data Output 00 8 1 7 Multislope 8 1 9 Info Mechanical Interface 8 1 5 Data Output MV1 D2048x1088 1 240 only 1 6 LUT Look Up Table 8 1 8 LineScan MV1 L2048 only 9 1 1 MV1 cameras with CameraLink Interfacel 10 Warranty 93 10 1 Warranty Terms s s sosca aasa i ooa a de ah a ANE U E BOr nn 93 10 2 Warranty Claim oo 93 11 References 95 97 A 1 Power Supply Connector a a e a a a 97 A 2 Cameralink Connector 2 a 98 B Camera Revisions 101 B 1 General Remarks esee hs 101 B 2 2MP Area Scan Cameras a a a 102 B 3 4MP Area Scan Cameras Speedgrade 160 o e 102 B 4 AMP Area Scan Cameras Speedgrade 240 o oo 103 B 5 Line Scan Cameras a 103 C Revision History 107 CONTENTS 5 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 Pix
87. with Camera controlled Exposure Time In the external trigger mode with camera controlled exposure time the rising edge of the trigger pulse starts the camera states machine which controls the sensor and optional an 38 Machine Vision System PC Camera 1 CameraLink Frame Grabber Camera 2 Trigger Source Figure 5 16 Interface trigger with 2 cameras and frame grabber I O card Machine Vision Flash System PC Camera 1 CameraLink Frame Grabber Data CameraLink Trigger Source Figure 5 17 I O trigger source external strobe output Fig 5 18 shows the detailed timing diagram for the external trigger mode with camera controlled exposure time The rising edge of the trigger signal is detected in the camera control electronic which is implemented in an FPGA Before the trigger signal reaches the FPGA it is isolated from the camera environment to allow robust integration of the camera into the vision system In the signal isolator the trigger signal is delayed by time t4 iso input This signal is clocked into the FPGA which leads to a jitter of tjitter The pulse can be delayed by the time tirigger delay Which can be configured by a user defined value via camera software The trigger offset delay ttrigger offset results then from the synchronous design of the FPGA state machines and from to requirement to start an exposure at a fixed point from the start of the read out of a row The exposure time texposure is
88. with ROI values The LUT only modifies the pixel values inside its ROI Overlapping is possible LUTO has higher priority Settings File LUTO LUTA LUT Files Enable LUT O Enable LUT 1 LUT contents can be loaded from saved to fie Factory Reset LUTO can be configured with the LUT1 can be configured with the First select the LUT to load save k built in Gain Gamma Functions built in Gain f Gamma Functions or with a file or with a file LUTO vw Frame Rate fps Mode Mode Gan O Gamma Gan O Gamma tood UUT from File Save LUT to File Note After loading camera configuration from an ini file the LUTs are programmed with the built in Gain f Gamma functions In this case please reload the LUT file Update Region LUT Note value 1 0000 value 1 0000 Average Value Enable Region LUT Gain Function Region of LUT O Region of LUT 1 y 256 4096 value x value 1 4 Gamma Function y 256 4096 value x value value 0 4 4 Figure 8 7 LUT panel 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 This camera performs a 12 to 8 bit mapping so that 4096 input grey levels can be mappe

MV1-D2048-CL - Photonfocus

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