THE PERFECT EYE - Stemmer Imaging
Contents
1. CONTENTS Cameralinkl 222 22 Hm CONTENTS 5 1 5 Status iIndicatorl 2 a k A WL k S L dn mee 30 O EE e ERD 31 5 3 Read Out Timing 2 2 kk kk kK KE kK KEKE KI KIRI KEK KK K K K KK KK KK IK KK KK K 32 5 3 1 Standard Read out Timing kk KK K K K K KI K K K K K K K K K KI 32 DA TJE ED pe a MM MD MMiMD RDMRDRM RMRYEO0D DS D DN ENDEDPEEMM_ 34 5AT SOVERVICW s i lt Jx as ao ye doy A le Sead a oh SY yi aram yee ge gy ac ae cj ee 34 eT ae ee A Wl 34 5 4 3 Notes on Using External Trigger 2222 nn KR K K K K K K K K 35 6 The PFRemote Control Tool 37 SEE RE EEE Gentes ge geo ep eee ee oe tee oss oe 37 6 1 1 Cameralink Modell o e K K ee 37 6 1 2 USB 2 0 Modell oana aaa 37 6 2 Installation Notes CameraLink Only o o K K 38 6 2 1 DLL Dependencies kK KK e e 38 O een els E A oa 39 in ar a ARA rar r ar ar ea 39 6 3 2 The Camera Configuration Dialog 0 K K K K KIR 40 7 Mechanical and Optical Considerations 45 1 Mechanical Dimensions 0 0000 ee 45 u nn eect se Eier ok umes HK 46 7 2 1 Mounting the Lens o o e 46 7 2 2 Cleaning the Sensor 2 0 46 7 3 Compliance os ila ee a 2 eee a k in ee eee da kardan vac Ld 48 8 W2. Camera Shutter Camera Figure 5 12 Timing diagram for trigger delay For the delay in the framegrabber please ask your framegrabber manufacturer The camera delay consists of maximum 2 clock cycles which results in the delay as shown in Table 5 5 BLIZZARD 60 CameraLink Table 5 5 Camera trigger delay for the BLIZZARD 60 CameraLink model 5 4 Trigger 35 5 Hardware Interface 36 The PFRemote Control Tool 6 1 Overview PFRemote is a graphical configuration tool for Photonfocus cameras The latest release can be downloaded from the support area of www photonfocus com All Photonfocus cameras can be either configured by PFRemote or they can be programmed with custom software using the PFLib SDK SW002 PFRemote is available for Windows only For a Linux or QNX system we provide the necessary source code to control the camera on request but there is no graphical user interface available lt gt Please note that we do not provide any support for Linux or QNX 6 1 1 CameraLink Model As shown in Fig PFRemote and PFLib respectively control parameters of the camera such as exposure time and ROI However to grab an image and to process it use the software or SDK that was delivered with your frame grabber Be Frame Grabber Female User Application ar Frame Grabber Figure 6 1 PFRemote and PFLib in context with the CameraLink frame grabber software 6 1 2
3. 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 P_CC1 Positive LVDS Input CC1 23 N_CC2 Negative LVDS Input CC2 24 I P_CC3 Positive LVDS Input CC3 25 I N_CC4 Negative LVDS Input CC4 26 PW SHIELD Shield S PW SHIELD Shield Table A 5 Pinout CameraLink connector A 2 CameraLink 53 A Pinouts A 3 USB 2 0 The USB 2 0 interface and connector were developed by a group of companies Intel Agere Systems NEC Hewlett Packard Philips etc which are now organized in the USB Implementers Forum www usb org The USB connector is used to transmit configuration signals and image data Description 5V power supply Negative Data Postive Data Ground Table A 6 Pinout USB 2 0 connector 54 USB compatibility B 1 Hardware requirements To reach the full performance of 48 Mbyte s isochronous mode a PC Mainboard with USB2 0 ports with Intel chip set supporting ICH4 ICH5 or ICH6 is mandatory Intel provides a small program chiputil exe to determine the exact nature of the chip set being used T
4. Pe Figure A 3 Power supply plug for USB 2 0 model 7 pole rear view of plug solder side Pin I O Type Name Description 12 V DC 10 Ground Not connected 4 STROBE VDD 5 15 VDC 5 STROBE Strobe control opto isolated 6 TRIGGER External trigger opto isolated 5 15V DC 7 PWR GROUND Signal ground for opto isolated strobe signal Table A 4 Power supply plug pin assignment for USB 2 0 model 52 A 2 CameraLink 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 1 2 3 4 E UT 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Figure A 4 CameraLink cable 3M MDR 26 plug both ends PIN IO Name 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 I_SERTOCAM Positive LVDS Input Serial Communication to the camera 8 O N_SERTOFG Negative LVDS Output Serial Communication from the camera 9 N_CC1 Negative LVDS Input CC1 10 N_CC2 Positive LVDS Input CC2 11 N_CC3 Negative LVDS Input CC3 12 P_CC4 Positive LVDS Input CC4 13 PW SHIELD Shield 14
5. USB 2 0 Model For the USB camera model there is no external frame grabber necessary as the camera connects directly to the USB 2 0 port Instead the frame grabber functionality was transferred into the camera As shown in Fig 6 2 the camera parameters can be controlled by PFRemote and PFLib respectively To grab an image and to process it use the MicroDisplayUSB software or the USB SDK SWO003 37 6 The PFRemote Control Tool EM MicroDisplay USB SDK USB Frame Grabber Camera Figure 6 2 PFRemote and PFLib in context with the USB 2 0 frame grabber software 6 2 Installation Notes CameraLink only Before installing PFRemote make sure that your frame grabber software is installed correctly The PFRemote setup wizard will ask you to choose your frame grabber It will then copy the necessary files from your frame grabber installation to the PFRemote directory If your CameraLink compatible frame grabber is not listed in the setup wizard please do the following During PFRemote installation choose Other CameraLink compliant Grabber when asked about the frame grabber After the installation locate a CLSER DLL in your frame grabber s software distribution matches any vendor specific extension This file is usually located in your windows system32 directory or in the installation directory of the frame grabber software Copy the CLSER DLL into the PFRem
6. by MicroDisplayUSB the camera is ready for data transfer The blinking frequency of the red LED indicates the current transfer mode In ISO mode 24 MByte s the blinking interval is 1 Hz in ISOCHRONOUS mode 48 Mbyte s it is 4 Hz LED 2 Green Green when an image is output At slow frame rates the LED blinks with the FVAL signal At high frame rates the LED changes to an apparently continuous green light with intensity proportional to the ratio of readout time over frame time LED 2 Red Red indicates an active serial communication with the camera Table 5 2 USB version 30 5 2 Cameralink Data Interface The CameraLink standard defines signals for transferring the image data control information and the serial communication Data Signals CameraLink data signals contain the image data Depending on the camera model one or more taps with variable bit resolution are used to send the image data from the camera to the frame grabber In addition handshaking signals such as FVAL LVAL and DVAL are transmitted over the same physical channel Camera Control Information Camera control signals CC signals can be defined by the camera manufacturer to provide certain signals to the camera There are 4 CC signals available and all are unidirectional with data flowing from the frame grabber to the camera For example the external trigger is provided by a CC signal see Table 5 3 for the CC assignments CC1 E
7. device driver any other USB 2 0 devices con lt nected to this controller will be ignored USB 1 1 devices on the other hand can still be operated Hardware requirements A list of supported Intel chip sets can be found in B When using one of this chip sets the full performance of 48 Mbytes s can be reached It is possible to install and operate additional USB controller USB 1 1 and USB 2 0 plug in cards Additional USB 2 0 host adapters may only transfer up to 24 Mbyte s because they do not support the isochronous mode 4 5 Configuration Interface 25 4 Functionality 26 Hardware Interface 5 1 Connectors 5 1 1 CameraLink Connector The BLIZZARD 60 CameraLink cameras are interfaced to external components via e a CameraLink connector which is defined by the CameraLink standard as a 26 pin 0 5 Mini D Ribbon MDR connector to transmit configuration image data and trigger e a subminiature connector for the power supply 3 pin Binder series 712 The connectors are located on the back of the camera Fig 5 1 shows the plugs and the status LED which indicates camera operation Power Supply Tj Connector CameraLink Connector i Status LED A S NE U Figure 5 1 Rear view of the CameraLink camera The CameraLink interface and connector are specified in CL For further details including the pinout please refer to Appendix A This connector is used to transmit configuration imag
8. such as type code serial number and firmware revision of the microcontroller Blizzard 60 clO Figure 6 9 Info panel Typecode The type code of the connected camera 6 The PFRemote Control Tool Serial Serial number of the connected camera uC Revision Firmware revision of built in microcontroller of the connected camera CS For any support requests please enclose the type code the serial number and the uC revision 44 Mechanical and Optical Considerations 7 1 Mechanical Dimensions The general mechanical dimensions of the camera are listed in Table 3 3 Figure 7 1 Mechanical dimensions of the BLIZZARD 60 model withCameraLink interface During storage and transport the camera should be protected against vibration shock moisture and dust The original packing protects the camera adequately from vibration and shock during storage and transport Please either retain this packing for possible later use or dispose of it according to local regulations 45 7 Mechanical and Optical Considerations N N 32UNCF 42 71 Figure 7 2 Mechanical dimensions of the BLIZZARD 60 model with USB interface 7 2 Optical Interface 7 2 1 Mounting the Lens Remove the protective cap from the C CS mount thread of the camera and install the lens When removing the protective cap or changing the lens the camera should always be held with the opening facing downwards to pr
9. 00 j 50 0 r r r r r 0 0E 00 5 0E 06 1 0E 05 1 5E 05 2 0E 05 2 5E 05 3 0E 05 Optical Power W cm2 5 s 7 _ g gt 10 11 12 13 14 Output code 10bit Figure 4 6 Response curve for different skim settings 4 2 4 Image Correction On the BLIZZARD 60 there is a defect pixel correction available It is implemented as a sliding window containing five pixels which examines the current pixel and two pixels either side of it If the current pixel exceeds the average of its neighbors by more than a certain user defined threshold the pixel will be rejected and replaced by this average value 4 2 Linear and Non linear Pixel Response 21 4 Functionality 4 3 Reduction of Image Size With Photonfocus cameras there are several possibilities to focus on the interesting parts of an image thus reduce the data rate and increase the frame rate The most commonly used feature is region of interest ROI 4 3 1 Region of Interest Some applications do not need the full image resolution e g 750 x 400 pixels By reducing the image size to a certain region of interest ROI the frame rate can be greatly increased A region of interest can be any rectangular window and is specified by its position within the full frame and its width and height Fig 4 7 gives some possible configurations for a region of interest and Table 4 1 shows other ex
10. 10 The data is output on the rising edge of the pixel clock and the CameraLink handshaking For BLIZZARD 60 cameras there is one external trigger mode available For the CameraLink signals FRAME_VALID FVAL and LINE_VALID LVAL mask valid image information The signal camera on the frame grabber soft trigger or comes from an external device such as a light A trigger is an event that starts an exposure The trigger signal is either generated on the barrier 5 4 2 External Trigger Mode 5 Hardware Interface 5 4 1 Overview 5 4 Trigger Linepause j j l l l 1 1 l l 1 1 i j j i j i 1 1 1 ne i 1 Fi EXSYNC SHUTTER FVAL LVAL DVAL DATA Figure 5 10 Timing diagram for external trigger mode 34 5 4 3 Notes on Using External Trigger Trigger Delay CameraLink Model The total delay between the trigger edge and the camera exposure consists of the delay in the framegrabber and the camera Fig Usually the delay in the frame grabber is relatively large to avoid accidental triggers caused by voltage spikes see Fig Camera CameraLink Frame Grabber EXSYNC Trigger Source e g Light Barrier TRIGGER STROBE Flash 1 0 Board Figure 5 11 Trigger delay visualisation from the trigger source to the camera CameraLink O TRIGGER Trigger Source j tire j ji j i j j EXSYNC Frame grabber j 5 titer jl 4 Int EXSYNC
11. 4 3 1 1 row x 6 columns BLIZZARD 60 Exposure Time 500 us 52 ms 500 us steps linear or LinLog mode 10 us 500 us 10 us steps linear mode only Frame Rate 60 fps Tint 100 us Pixel Clock 20 MHz Camera Taps 1 Greyscale Resolution 10 bit Programmable On Chip Gain x1 x8 in 8 steps Table 3 2 Camera specifications BLIZZARD 60 CL BLIZZARD 60 USB Operating Temperature 0 C 60 C 0 C 60 C Power Supply 12 V DC 10 12 V DC 10 Power Consumption 0 8 W 2 2 W Lens Mount C or CS Mount C or CS Mount Dimensions 55 x 55 x 24 mm 55x55 x 48 mm Mass 150 g 200 g Conformity CE CE Table 3 3 Physical characteristics Quantum Efficiency 80 T T T T QE Diode QE Pixel incl Fill factor FO a eg w N T 60 Pe fee ee ee ee ee ee E S 50 EZ pe o o on g 8 u 30 BE N N An WE SEN A a ADOS A w O 20 en een Pa Dd W Dr DD DJ 10 Fj zz xo2xax5 Z x22xgxg2xxx222222 Ee cen ee ei weneke es pl i a 300 400 500 600 700 800 900 1000 1100 Wavelength nm Figure 3 1 Spectral response 3 2 Technical Specifications 3 Product Specification 3 3 Feature Overview BLIZZARD 60 Interfaces CameraLink base configuration or USB 2 0 Interface Camera Control PFRemote Windows GUI or programming library Windows Configuration Interface CLSERIAL 9 600 baud higher baud rates on request Tri
12. DisplayUSB in order to download the USB firmware again 7 Start the camera software PFRemote and choose the communication port USB9 see Fig 8 Check the status LEDs on the rear of the camera The status LED 2 lower one lights green when an image is being produced and Q it is red when serial communication is active The LED 1 upper one lights green when USB is ready and blinks red depending of the transfer mode For more information see Section 5 1 5 9 You may now display images using the MicroDisplayUSB software 12 Product Specification 3 1 Introduction The BLIZZARD 60 series of CMOS cameras from Photonfocus is aimed at demanding applications in industrial image processing It provides an exceptionally high dynamic range of up to 120 dB at a resolution of 750 x 400 pixels and a frame rate of up to 60 full images per second The cameras are built around amonochrome CMOS image sensor developed by Photonfocus The principal advantages are Low power consumption at high speeds Resistance to blooming Extremely high image contrast achieved by LinLog technology The global shutter in combination with a selectable region of interest is ideal for high speed applications Software is provided to set camera parameters and store them within the camera The cameras have a digital CameraLink or a USB 2 0 interface The compact size of only 55 x 55 x 24 mm CameraLink or 55 x 55 x 48 mm USB 2 0 makes the BLIZZARD 60
13. GM ICH4 M Intel 855PM ICH4 M Intel 845MP ICH4 M Intel 845MZ ICH4 M Intel 852GME ICH4 M Intel 852GMV ICH4 M Intel 852GM ICH4 M Intel 852PM ICH4 M Table B 3 Notebook Mobile chip sets Chipset Type of I O Controller Hub Intel 848P ICH5 ICH5 R Intel 845G ICH4 Intel 845GV ICH4 Intel 845GE Intel 845GL Intel 845PE ICH4 Intel 845E ICH4 Table B 4 Value Desktop chip sets 56 It is possible to install and operate additional USB controller USB1 1 and USB2 0 plug in cards Additional USB 2 0 host adapters may only transfer up to 24 Mbyte s because they do not support the isochronous mode The following add on cards were tested at Photonfocus this list is not exhaustive status April 2005 Manufacturer Type Chipset Speed MBytes sec Supported Planet UIH 420 VIA VT6202 24 Yes see note DeLock 89028 NEC D720100AGM Not yet Digitus 2 Port USB2 0 card NEC D720101G Not yet Digitus 5 Port USB2 0 card NEC D720101GJ Not yet Adaptec AUA 5100 NEC D720101G Not yet Table B 5 Add On PCI cards Ee The VIA chipset VT6202 works but the isochronous mode 48 MByte s is not supported Thus only 24 MByte s can be transmitted After installation of the USB 2 0 device driver any other USB 2 0 devices con amp nected to this controller will be ignored USB 1 1 devices on the other hand can still be operated B 1 Hardware requi
14. XSYNC External Trigger May be generated either by the frame grabber itself software trigger or by en external event hardware trigger cc2 NC Not used CC3 NC Not used CC4 NC Not used Table 5 3 Summary of the Camera Control CC signals as used by Photonfocus Pixel Clock The pixel clock is generated by default on the camera and provided to the frame grabber for synchronisation Serial Communication A CameraLink camera can be controlled by the user via an RS232 compatible asynchronous serial interface This interface is contained within the CameraLink interface and is physically not directly accessible 1Tap EA E EN N Image data E FVAL LVAL DVAL S D Pixel Clock 5 5 S O O CC Signals Serial Interface Figure 5 7 1 tap CameraLink system The frame grabber needs to be configured with the proper tap and resolution settings otherwise the image will be distorted or not displayed with the correct aspect ratio Fig shows symbolically a 1 tap system For more information about taps refer to ANO21 5 2 CameraLink Data Interface 31 5 Hardware Interface 5 3 Read Out Timing 5 3 1 Standard Read out Timing By default the camera is in free running mode and delivers images with a certain frame rate depending on the configured exposure time without any external control signals The sensor is operated in non interleaved mode which means that the sensor is read
15. al is an open collector output therefore the user must connect a pull up resistor gt 1K to STROBE_VDD 5 15 V DC as shown in Fig This resistor should be located directly at the signal receiver The delay of the strobe pulse can be configured in the MicroDisplayUSB software Vtrigger 5 15 V DC TRIGGER Vstrobe 5 15 V DC STROBE_VDD ix STROBE Pin 5 s SIGNAL_GROUND Figure 5 4 Circuit for the trigger input and strobe output signals USB only The maximum sink current of the STROBE pin is 8mA Do not connect inductive or capacitive loads such loads will may result in damage to the optocoupler 5 1 Connectors 29 5 Hardware Interface 5 1 5 Status Indicator A dual color LED on the back of the camera gives information about the current status CAMERALINK CONNECTOR Figure 5 5 CameraLink version LED Green Green when an image is output At slow frame rates the LED blinks with the FVAL signal At high frame rates the LED changes to an apparently continuous green light with intensity proportional to the ratio of readout time over frame time LED Red Red indicates an active serial communication with the camera Table 5 1 CameraLink Version For the USB model there are two LEDs USB CONNECTOR O O LED 1 LED 2 Figure 5 6 USB version LED 1 Green Green when a physical USB connection is established LED 1 Red After the USB firmware was uploaded to the camera
16. ame rate It transfers every 2nd row of an image and thus compresses the image height by factor 2 Decimation can also be used together with ROI 4 4 Trigger modes With a trigger signal the acquisition of an image can be synchronised with an external event This trigger signal can be either generated by the frame grabber itself or it can be generated by an external source such as a light barrier For the BLIZZARD 60 cameras there are 2 different trigger modes available External Trigger Mode In this trigger mode the camera is configured with a certain exposure time A trigger pulse starts the acquisition of an image level sensitive Free Running By default the camera delivers continuously images with a certain frame rate which is defined by the exposure and read out time For more information and the respective timing diagrams see Section 5 4 4 5 Configuration Interface 4 5 1 CameraLink Serial Interface A CameraLink camera can be controlled by the user via an RS232 compatible asynchronous serial interface This interface is contained within the CameraLink interface as shown in Fig 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 N Image data v FVAL LVAL DVAL Pixel Clock CameraLink CameraLink CC Signals Se
17. amples on how the frame rate can be increased for the BLIZZARD 60 model by reducing the ROI When using the skimming feature the frame rate slightly decreases due to in creased reset time of the sensor see Table 4 2 a b c d Figure 4 7 ROI configuration examples The user can define a Region Of Interest ROI within the sensor to be transmitted to the frame grabber The smallest ROI for the camera consists of one line of six pixels ROI Dimensions Maximum frame rate 750 x 400 58 fps 750 x 200 110 fps 750 x 100 198 fps 750 x 1 956 fps 600 x 400 70 fps 400 x 400 98 fps 300 x 200 217 fps Table 4 1 Example Frame rate increase for a ROI Tint 1ms Please note that the last two pixels of every line are EOL pattern The second to lt gt last line is always white and the last black This also applies when using ROI see Section 4 1 4 22 ROI Dimensions Maximum frame rate 750 x 400 58 fps 750 x 200 109 fps 750 x 100 194 fps 750 x 1 873 fps 600 x 400 70 fps 400 x 400 97 fps 300 x 200 212 fps Table 4 2 Example Frame rate increase for a ROI Tint 1ms when using skimming The ROI parameter values must follow the rules according to 4 3 PFRemote and PFLib API respectively ensure that the settings are correct without any user intervention Range Step size x 0 4 8 740 mod
18. arranty 49 8 1 Warranty Terms 2 020228 eeeeo ee eh A A bee bebe eds 49 A E 49 51 B USB compatibility 55 B 1 Hardware requirements o 55 C_ Literature and Links 59 D Revision History 61 Preface 1 1 About Photonfocus The Swiss company Photonfocus is one of the leading specialists in the development of CMOS image sensors and corresponding industrial cameras for machine vision security amp surveillance and automotive markets Photonfocus is dedicated to making the latest generation of CMOS technology commercially available Active Pixel Sensor APS and global shutter technologies enable high speed and high dynamic 120 dB applications while avoiding the disadvantages e g 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 Switzerland Phone 41 55 451 01 31 Email sales photonfocus com Support Phone 41 55 451 01 37 Email support photonfocus com Table 1 1 Photonfocus Contact 1 3 Sales Offices Photonfocus products are available through an extensive international distr
19. d with your camera e Power supply connector 3 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 Figure 2 1 Camera with protective cap and lens 2 How to get started Do not touch the sensor surface Protect the image sensor from particles and dirt When removing the protective cap or changing the lens the camera should A always be held with the opening facing downwards to prevent dust from the environment falling onto the CMOS sensor If the lens is removed the protective cap should be refitted To choose a suitable lens for your application see the Lens Finder in the Support area at www photon ocus com 5 Connect the camera to the frame grabber with a suitable CameraLink cable see Fig 2 2 Figure 2 2 Camera with frame grabber power supply and cable Do not connect or disconnect the CameraLink cable while camera power is on For more information about CameraLink see Section 4 5 6 Connect a suitable power supply to the provided 3 pole power plug For the connector assembly see Fig Check the correct supply voltage and polarity Do not exceed the maximum operating voltage of 12V DC 10 amp The pinout of the connector is shown in Section A 1 For US and Canada Ensure a UL listed power supply is used A suitable UL listed power supply is available
20. described below Examples of suitable lens cleaning materials are given in Table 7 1 Cleaning materials must be ESD safe lint free and free from particles that may scratch the sensor surface Do not use ordinary cotton buds These do not fulfil the above requirements and permanent damage to the sensor may result 4 Wipe the sensor carefully and slowly First remove coarse particles and dirt from the sensor using Q Tips soaked in 2 propanol applying as little pressure as possible Using a method similar to that used for cleaning optical surfaces clean the sensor by starting at any corner of the sensor and working towards the opposite corner Finally repeat the procedure with methanol to remove streaks It is imperative that no pressure be applied to the surface of the sensor or to the black globe top material if present surrounding the optically active surface during the cleaning process 7 2 Optical Interface 47 7 Mechanical and Optical Considerations BB 003 Germany Product Supplier Remark Anticon Gold 9 x 9 Wiper Milliken ESD safe and suitable for class 100 environments TX4025 Wiper Texwipe Transplex Swab Texwipe Small Q Tips SWABS Q tips Hans J Michael GmbH Large Q Tips SWABS CA 003 Q tips Hans J Michael GmbH Germany Point Slim HUBY 340 Q tips Sharp Methanole Fluid Jonson Matthey GmbH Germany Semiconductor Grade 99 9 min Assay Merk 12 6024 UN1230 sligh
21. e data and trigger signals 27 5 Hardware Interface 5 1 2 USB 2 0 Connector The BLIZZARD 60 USB 2 0 camera is interfaced to external components via e a USB 2 0 B Type connector see Fig e a subminiature connector for the power supply trigger and strobe signal 7 pin Binder series 712 Figure 5 2 USB type B Cable The connectors are located on the back of the camera Fig 5 3 shows the plugs and the status LED which indicates camera operation Power Supply and I O Se 7 Connector Figure 5 3 Rear view of the USB 2 0 camera 28 5 1 3 Power Supply The camera requires a single voltage input see Table 3 3 The camera meets all performance specifications using standard switching power supplies although well regulated linear supplies provide optimum performance It is extremely important that you apply the appropriate voltages to your camera Incorrect voltages will damage the camera For US and Canada Ensure a UL listed power supply is used A suitable UL listed power supply is available from Photonfocus For further details including the pinout please refer to Appendix A 5 1 4 Trigger Signals USB only The power connector of the BLIZZARD 60 USB model contains an external trigger input and a strobe output The input voltage to the TRIGGER pin must not exceed 15V DC to avoid damage to the optocoupler In order to use the strobe the optocoupler must be powered with 5 15 V DC The STROBE sign
22. e sensor For an explanation of the LinLog feature please refer to Section 4 2 2 Blizzard 60 clO xi Exposure Trigger Window Characteristics Advanced Info Reset m LinLog LinLog mode Normal compression y Store as defaults T Settings file 10 Low compression value Normal compression eS Value2 User defined z Factory Reset r Skimming Black Level Offset AnalogGain z kaj fo F 2 1x Figure 6 7 Sensor characteristics panel There are 3 predefined LinLog settings available Alternatively custom settings can be created in the LinLog User defined Mode LinLog Mode Off LinLog is disabled Low Normal High compression Three LinLog presets User defined Timel Time2 Valuel and Value defined by user Skimming Skimming value Skimming is disabled if set to O See Section 4 2 3 Black Level Offset Black level offset value Use this to adjust the black level AnalogGain Change the analog gain of the sensor 42 Advanced Blizzard 60 clO Figure 6 8 Advanced panel Defect Pixel Correction The defect pixel correction can be enabled in this dialog The configurable value e g 128 in Fig 6 8 correspends to the user defined threshold that is described in Section 4 2 4 a Low threshold values lt 50 will smooth the image because the correction acts as a low pass filter Info Fig 6 9 shows camera specific information
23. event dust from the environment falling onto the CMOS sensor If the lens is removed the protective cap should be refitted If the camera is operated in a dusty environment we recommend the use of a constant stream of clean air at the front of the objective 7 2 2 Cleaning the Sensor The sensor is part of the optical path and should be handled like other optical components with extreme care Dust can obscure pixels producing dark patches in the images captured Dust is most visible when the illumination is collimated Dark patches caused by dust or dirt shift position as the angle of illumination changes Dust is normally not visible when the sensor is positioned at the 46 exit port of an integrating sphere where the illumination is diffuse 1 The camera should only be cleaned in ESD safe areas by ESD trained personnel using wrist straps Ideally the sensor should be cleaned in a clean environment Otherwise in dusty environments the sensor will immediately become dirty again after cleaning 2 Use a high quality low pressure air duster e g Electrolube EAD400D compressed air spray to blow off loose particles This step alone is usually sufficient to clean the sensor of the most common contaminants Workshop air supply is not appropriate and may cause permanent damage to the sensor 3 If further cleaning is required use a suitable lens wiper or Q Tip moistened with an appropriate cleaning fluid to wipe the sensor surface as
24. features The goal is to describe what can be done with the camera the setup is explained in later chapters 4 1 Image Acquisition 4 1 1 Free Running and External Trigger Mode By default the camera continuously delivers images with a certain configurable frame rate which depends on the exposure and read out time free running mode When the acquisition of an image needs to be synchronised to an external event a trigger can be used refer to Section 4 1 2 Exposure Control The exposure time defines the period during which the image sensor is integrating the incoming light See Table 3 2 for the range of exposure time which can be configured 4 1 3 Maximum Frame Rate The maximum frame rate depends on the exposure time and the size of the image see Region of Interest Section 4 3 1 4 1 4 Active Pixel Array and End of Line Pattern The BLIZZARD 60 Camera has an active pixel array of 748 columns x 400 rows At the end of each row a fixed pattern of gray level 0 black and then gray level 1023 white 10 bit resolution will be transmitted as an End of Line EOL 747 399 A 0 0 a 4 E 747 399 0 0 gt horizontal scan E o o i Image Lens CMOS Image Sensor Representation on Monitor Image size 750 x 400 including white and black test row Figure 4 1 Aquired image at full resolution with test row 17 4 Functionality Every aquired image consists of the active pixel a
25. focus com 3 Install the USB camera software called MicroDisplayUSB After installation of the USB 2 0 device driver any other USB 2 0 devices con amp nected to this controller will be ignored USB 1 1 devices on the other hand can still be operated 4 Connect the camera to a USB 2 0 port at the PC with a suitable USB 2 0 cable see Fig 2 6 Figure 2 6 Camera with power supply and USB 2 0 cable 5 Connect a suitable power supply to the provided 7 pole power plug For the connector assembly see Fig Check the correct supply voltage and polarity Do not exceed the maximum operating voltage of 12V DC 10 amp The pinout of the connector is shown in Section A 1 For US and Canada Ensure a UL listed power supply is used A suitable UL listed power supply is available from Photonfocus 6 Start the software MicroDisplayUSB In the Camera Selection window see Fig 2 7 choose the camera model and press OK This step is mandatory for proper operation of the camera because it uploads the USB firmware into the camera 2 2 USB 2 0 11 2 How to get started KIT x r Selection of configuration Manufacturer Photonfocus v Camera model del Colour a BAN Y Blizzard 60 U2 X microEnable MYD640CU2 0 v OK Cancel co Figure 2 7 MicroDisplayUSB camera selection window O If the power supply or the USB cable of the camera have been disconnected you have to restart Micro
26. from Photonfocus 7 Connect the power supply to the camera see Fig 2 2 zB 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 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 a Setup PFRemote n x Welcome to the PFRemote Setup Wizard This will install PFRemote camera control software and SDK on your computer It is recommended that you close all other applications before continuing Click Next to continue or Cancel to exit Setup Figure 2 3 Screen shot PFremote setup wizard 10 Start the camera software PFRemote and choose the communication port e g cl0 comO siso0 Blizzard 60 clO q x Reset lolx File Help Exposure Trigger Window Characteristics Advanced Info El Ports Blizzard 60 Trigger mode sisol rer Store as defaults g xtemal Trigger siso2 4 TE siso3 The Extemal Trigger is level sensitive not edge sensitive Factory Reset 16 10 06 Got Reset property notice 16 10 06 SetProperty Reset Value Command BUSY Exposure time ms FJ 1 000 Figure 2 4 PFRemote start wind
27. gger Modes Free running ExSync controlled Features Region of Interest ROI LinLog Skimming Decimation Y 1 2 Analog gain Table 3 4 Camera configuration 3 4 Further Information 3 4 1 Frame grabber Relevant Configuration Parameters CameraLink only BLIZZARD 60 CameraLink Pixel Clock Number of Taps Greyscale Resolution CC Signals CC1 EXSYNC common trigger signal level sensitive CC2 CC3 CC4 not used Table 3 5 Camera specification The trigger signal is level sensitive it is not edge controlled Keep the ap C plied EXSYNC Signal as short as possible 700ns up to configured exposure time Please consult your frame grabber manual whether your grabber is capable of processing such trigger pulses 3 4 2 USB 2 0 Interface During the software installation the original Windows USB 2 0 driver is replaced by a highly performance optimized driver from Silicon Software To take full advantage of your camera a PC mainboard with Intel chip set is mandatory Chip sets from VIA can achieve only half of the maximum frame rate Other chip sets are currently not supported see Section 4 5 2 After installation of the USB 2 0 device driver any other USB 2 0 devices con lt gt nected to this controller will be ignored USB 1 1 devices on the other hand can still be operated 16 A Functionality This chapter serves as an overview over the camera configuration modes and explains camera
28. h 750x400 pixels there are 400 LVAL within one FVAL active high period One LVAL lasts 750 pixel clock cycles DVAL Data Valid Is high while data are valid DATA Transferred pixel values Example For a 750x400 pixel image there are 750 values transferred within one LVAL active high period or 750 400 values within one FVAL period Line pause A delay before the first line and after every following line when reading out the image data CPRE1 CPRE2 Additional delay between signals see Fig Table 5 4 Explanation of control and data signals used in the timing diagram j AICA EE 3 9 a o v 9 4 4 m N E Lt es l Tine MA IN u zu FVAL a u u u m ELA Hs oe et a ee i ea por Framestart Lineup jo FF go po war a a rz r BIR NE krn oe a a ee era Dd a a DVAL aa oo Figure 5 9 Timing diagram for free running mode 5 3 Read Out Timing 33 In the external trigger mode the image acquisition begins as soon as the external trigger pulse PCLK is high The image is read out after the pre set exposure time After readout the sensor SHUTTER in Fig 5 10 indicates the active integration phase of the sensor and is shown for clarity model the trigger signal EXSYNC must be routed by the frame grabber on C1 For the the USB only 2 0 model see Section 5 1 4 returns to the reset state and the camera waits for a new trigger pulse see 5 8Jand Fig 5
29. his can be downloaded from tp llaiedownload intel com df support 7355 eng chiputil exe Alternative link http downloadfinder intel com scripts df support_intel asp search for chiputil In the tables B 2 B 1 B 4 and B 3 there is a summary of common Intel chip sets that feature an ICH4 ICH5 or ICH6 controller ES This chip set list is not exhaustive status April 2005 Chipset Type of I O Controller Hub Intel 925XE Express ICH6 ICH6 R Intel 925X Express ICH6 ICH6 R Intel 915G Express ICH6 ICH6 R Intel 915GV Express ICH6 ICH6 R Intel 915GL Express ICH6 ICH6 R Intel 915P Express ICH6 ICH6 R Intel 915PL Express Intel 875P ICH6 ICH6 R ICH5 ICH5 R Intel 865G ICH5 ICH5 R Intel 865GV Intel 865P ICH5 ICH5 R ICH5 ICH5 R Intel 865PE ICH5 ICH5 R Table B 1 Performance Mainstream desktop chip sets 55 B USB compatibility Chipset Type of I O Controller Hub Intel 925X Express ICH6 R Intel 875P ICH5 R Intel E7205 ICH4 Intel E7505 ICH4 Intel E7520 ICH5 R Intel E7525 ICH5 R Intel E7320 ICH5 R Table B 2 Server Workstation chip sets Chipset Type of I O Controller Hub Intel 915GM Express ICH6 M Intel 915GMS Express ICH6 M Intel 915PM Express ICH6 M Intel 910GML Express ICH6 M Intel 855GME ICH4 M Intel 855
30. ibution network details of the distributor nearest you can be found at www photonfocus com 1 4 Further information For further information on the products documentation and software updates please see our web site www photonfocus com or contact our distributors Photonfocus reserves the right to make changes to its products without notice Ce 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 and LinLog are trademarks of Photonfocus AG CameraLink is a Cf registered mark of the Automated Imaging Association Product and company names mentioned herein are trademarks or trade names of their respective com panies 1 Preface How to get started 2 1 CameraLink 1 Install a suitable frame grabber in your PC To find a compliant frame grabber please see the frame grabber compatibility list at www photonfocus com O For US and Canada Ensure the device downstream of the camera data path e g camera power supply cable frame grabber and PC is UL listed 2 Install the frame grabber software Without installed frame grabber software the camera configuration tool PFRe Q mote will not be able to communicate with the camera Please follow the in structions of the frame grabber supplier 3 Remove the camera from its packaging Please make sure the following items are include
31. ing high intrascene contrast compression of the upper grey level region can be achieved with the LinLog technology At low intensities each pixel shows a linear response At high intensities the response changes to logarithmic compression The transition region between linear and logarithmic response can be smoothly adjusted and is continuously differentiable and monotonic An example in the following section should illustrate the LinLog feature Gray Value 100 Resulting Linlog Response 0 Light Intensity Figure 4 3 Resulting LinLog2 response curve The BLIZZARD 60 has 4 parameters to control the LinLog mode Timel Time2 Valuel and Value see Fig 4 4 The LinLog voltage V_LinLog that is applied to the sensor is decreased in two steps to 0 during the exposure time A higher LinLog voltage means a stronger compression of the bright input light At exposure start the LinLog voltage is equal to Valuel After Timel finished the LinLog voltage is decreased to a level equal to Value2 After Time2 ends the LinLog voltage is decreased to zero Value3 until the end of integration V LinLog Value1 Value2 Value3 Constant 0 t Time1 Time2 tap Figure 4 4 Linlog voltage switch 4 2 Linear and Non linear Pixel Response 19 4 Functionality An example for a LinLog response curve is given in Fig The exposure time in this example was Tint 10 ms and the step of the LinLog voltage fr
32. o Rest Trigger mode sisol en Store as defaults siso2 g xtemal Trigger siso3 __T oger Settings file The External Trigger is level sensitive not edge sensitive ki 16 10 06 Got Reset property notice Exposure time ms FP 1 000 Factory Reset 16 10 06 SetProperty Reset Yaluel Command BUSY Figure 6 4 PFRemote with configuration window after camera port was opened Once the camera has successfully been opened the configuration dialog is displayed Fig 6 5 Instead of the port name the camera model name is now displayed Right clicking on the camera model name will show further options Camera Port Options Menu Info Shows camera information Reset Resets the camera Close Closes camera and frees the communication port 6 3 Usage 39 6 The PFRemote Control Tool 6 3 2 The Camera Configuration Dialog The PFRemote configuration dialog is used to configure the camera It uses tabs to configure the following camera parameters Exposure Trigger Setting of exposure time trigger mode software trigger Window Setting of the region of interest decimation Y 1 2 Characteristics Setting of LinLog analog gain skimming offset Advanced Setting of the pixel correction feature Info Displays information about the current camera release These parameters as well as the control buttons on the right side are explained in the following sections Common Control But
33. o be 12 Mbit s the USB 2 0 specification a remarkable 480 Mbit s USB supports so called Hot Plugging that allows USB devices to be plugged in or out during system operation With an image size of 750 x 400 pixels a frame rate of about 30 frames s can be achieved using the ISO transfer mode max 24 MBytes sec while in isochronous mode max 48 MByte s supported only by some Intel PC chip sets a frame rate of 60 frames s can be reached The maximum speed of the USB interface 24 MByte s or 48 MByte s is deter mined by the USB driver automatically and cannot be configured However the user can use external trigger for synchronisation Software requirements Microsoft Windows 2000 SP3 SP4 or Windows XP SP1 SP2 ca The camera can only be operated with frame grabber software from SiliconSoft ware Other frame grabber software is not supported The camera firmware which is essential for the operation of the camera is au tomatically transmitted to the camera via USB during the start up of the Sili lt gt conSoftware MicroDisplay USB software The camera must therefore always be connected to the USB bus during program start up otherwise the camera will not be functional Refer to the SiliconSoftware reference manual for further information about the Silicon Software frame grabber software amp Camera and frame grabber functions use seperate SDKs See Section for more information After installation of the USB 2 0
34. om the programmed LinLog voltage to OV occurs at 99 of the integration time The decimal value in the legend corresponds to the LinLog settings Valuel Sample LinLog2 Response Curves 2 525nm Tint 1ms 1050 1000 y 950 900 850 4 800 750 700 650 600 4 550 500 450 4 400 350 300 250 200 3 150 100 50 y 0 y y T y T y 0 0E 00 5 0E 05 1 0E 04 1 5E 04 2 0E 04 2 5E 04 3 0E 04 3 5E 04 Optical Power W cm2 p5 6 7 8 9 10 11 12 Output code 10bit Figure 4 5 Response curve for different LinLog settings in LinLog2 mode 20 4 2 3 Skimming Skimming is a Photonfocus proprietary technology to enhance detail in dark areas of an image Skimming provides an adjustable level of in pixel gain for low signal levels It can be used together with LinLog to give a smooth monotonic transfer function from high gain at low levels through normal linear operation to logarithmic compression for high signal levels The resulting response is similar to a gamma correction Fig 4 6 shows an example of the sensor response curve for different skim voltages The integration time was Tint 10 ms The decimal value in the legend corresponds to the skim settings Sample Skimming Response Curves 2 525nm Tint 10ms 1050 1000 4 950 900 850 800 750 700 650 4 600 550 y 500 450 1 400 350 300 250 4 200 j 150 j 1
35. on of interest Range for X 0 4 8 740 Store as defaults Range for w 6 10 14 750 Range for Y 0 1 2 394 Range for H 1 2 3 400 Settings file r u x E wW 750 Set to max ROI Y o H 400 Factory Reset I Decimation Y 1 2 Figure 6 6 Camera window settings The region of interest is defined as a rectangle X Y W H where X X coordinate of upper left corner starting from 0 Y Y coordinate of upper left corner starting from 0 W Window width H Window height Set to max ROI Sets the ROI to the maximum X 0 Y 0 W 750 H 400 The parameters for the ROI must follow the rules according to 6 1 Parameter Range Step Size x 0 4 8 12 740 modulo 4 Y 6 10 14 16 750 4 W 0 1 2 3 394 1 H 0 1 2 3 400 1 Table 6 1 BLIZZARD 60 ROI Parameters 6 3 Usage 41 6 The PFRemote Control Tool Not all frame grabbers can handle ROI changes while they are running If your amp frame grabber application crashes in this case stop grabbing before adjusting the window size and make sure you have set the same window size in your frame grabber software The DecimationY property if enabled causes the sensor readout to skip every second line which results in a decrease of the readout time and a higher achievable frame rate Characteristics LinLog Fig 6 7 shows the properties that control the characteristic curve of th
36. ote installation directory usually C Program Files PFRemote and rename it to CLSER DLL Start PFRemote The port names c10 and cll are displayed 6 2 1 DLL Dependencies Several DLLs are necessary in order to be able to communicate with the cameras MVXXXXE DLL Specific camera DLL e g BLIZZARD60 DLL PFCAM DLL DLL handling camera detection and switching to specific camera DLL CLSER DLL DLL for serial communication This is a DLL which is delivered with your frame grabber software 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 as described above More information about these DLLs is available in the SDK documentation SW002 38 6 3 Usage 6 3 1 Camera Initialization On start PFRemote displays a list of available communication ports which is returned from the COMDLL For example a COMDLL using the CameraLink standard ports results in the display below ioixi File Help Figure 6 3 PFRemote port list To open a camera on a specific port double click on the port name e g c10 Alternatively right click on the port name and choose Open amp Configure The port is then queried for a Photonfocus compatible camera ATTE oizzar 5o e co e File Help E Ports Blizzard 60 Exposure Trigger Window Characteristics Advanced Inf
37. out after the preset exposure time see 5 8 Then the sensor is reset a new exposure starts and the readout of the image information begins again The data is output on the rising edge of the pixel clock The signals FRAME_VALID FVAL and LINE_VALID LVAL mask valid image information The signal SHUTTER indicates the active integration phase of the sensor and is shown for clarity only Free Running Trigger i i i Frame n I i Frame n 1 i Frame n Framen 1 i____________________ j _____________________ Frame time 17 ms Frame time 17 ms External Trigger Mode Trigger Next trigger i t i H i Frame n i Frame n 1 j i i Frame n i Frame n 1 l Frame time 17 ms Frame time 17 ms Figure 5 8 Read out timings in free running and trigger mode Fig 5 9 visualises the timing behaviour of the control and data signals 32 Frame time Maximum frame time is defined as exposure time plus data read out time Exposure time Period during which the pixels are integrating the incoming light PCLK Pixel clock on CameraLink interface SHUTTER Internal signal shown only for clarity Is high during the exposure time during which the pixels integrate the incoming light and the image is acquired FVAL Frame Valid Is high while the data of one whole frame are transferred LVAL Line Valid Is high while the data of one line are transferred Example To transfer an image wit
38. ow 2 1 CameraLink 9 2 How to get started 11 Check the status LED on the rear of the camera EIN 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 now display images using the software that is provided by the frame grabber manufacturer The camera delivers images with a resolution of 10 bit Please refer to the docu mentation of your frame grabber how to receive 10 bit images 2 2 USB 2 0 1 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 e Installation CD Driver Application CD If any items are missing or damaged please contact your dealership Please check that your PC s chipset is supported before you proceed see Section 432 2 Remove the camera body cap from the camera and mount a suitable lens Figure 2 5 Camera with protective cap and lens 10 Do not touch the sensor surface Protect the image sensor from particles and dirt When removing the protective cap or changing the lens the camera should A always be held with the opening facing downwards to prevent dust from the environment falling onto the CMOS sensor If the lens is removed the protective cap should be refitted To choose a suitable lens for your application see the Lens Finder in the Support area at www photon
39. photon focus User Manual BLIZZARD 60 CMOS Area Scan Cameras MANO2O 08 2005 V1 0 All information provided in this manual is believed to be accurate and reliable No responsibility is taken 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 Contact 1 3 Sales Offices 1 4 Further information 8 2 How to get started 2 1 2 2 USB 2 0 3 Product Specification 3 1 Introduction 3 2 Technical Specifications 3 3 Feature Overview 2 2 2 2 ann 3 4 Further Informati0N Frame grabber Relevant Configuration Parameters CameraLink only 3 4 1 3 4 2 USB 2 0 Interface 4 Functionality 4 1 Image Acquisition 4 1 1 Free Running and External Trigger Mode 4 1 2 Exposure Contro 4 1 4 Active Pixel Array and End of Line Pattern 4 2 Linear and Non linear Pixel Response 4 2 1 Gain x1 to x8 4 2 2 LinLog 4 2 3 Skimming 4 2 4 Image Correction 4 3 1 Region of Interest 4 3 2 Decimation Y 1 2 4 4 Trigger modes 4 5 Configuration Interface 4 5 1 Cameralink Serial Interface 4 5 2 USB 2 0 Interface 5 1 Connectors 5 1 1 CameraLink Connector 5 1 2 USB 2 0 Connector 5 1 3 Power Supply 5 1 4 Trigger Signals USB only
40. rements 57 B USB compatibility 58 Literature and Links CL CameraLink Specification October 2000 SW002 PFLib SDK Documentation Photonfocus July 2005 AN001 Application Note LinLog Photonfocus December 2002 AN021 Application Note CameraLink Photonfocus July 2004 SW003 Grab Module SDK USB 2 0 Silicon Software November 2004 59 C Literature and Links 60 Revision History Revision Date Changes 61
41. rial Interface Figure 4 8 CameraLink serial interface for camera communication To interface different cameras to different frame grabbers the CameraLink standard defines a software API It defines how the functions to initialise read from write to and close the serial interface should look The code behind these functions is frame grabber specific and is written by the frame grabber manufacturer The functions are then compiled into a DLL called clserXXX d11 where XXX is a unique identifier for the frame grabber manufacturer The PFRemote camera configuration tool as well as the PFLib API use the serial interface to communicate with the camera and to control its functions The serial interface is accessed via the clserXXX d11 Therfore the appropriate c1serXXX d11 for the frame grabber manufacturer 24 needs to be in the same directory as the PFRemote executable e g C Program Files Photonfocus PFRemote This DLL is usually located in the windows system32 directory after installing the frame grabber driver The serial configuration parameters are defined in the CameraLink standard and are as follows 9600 baud 1 start bit 1 stop bit no parity no handshaking 4 5 2 USB 2 0 Interface The abbreviation USB stands for Universal Serial Bus and is a bus system developed in 1995 by a consortium of leading companies in the computer industry in cooperation with Intel The USB 1 1 specification defined the port speed t
42. rray information and the EOL pattern The EOL pattern cannot be switched off 4 2 Linear and Non linear Pixel Response Normally the camera offers a substantially linear response between input light signal and output gray level This can be modified by the use of LinLog or Skimming as described in the following sections gr In the following sections the pixel response is illustrated by diagrams which show the principle behaviour 4 2 1 Gain x1 to x8 The gain of the programmable gain amplifier PGA can be configured between 1 and 8 with a resolution of 8 steps x1 x1 5 x1 8 x2 5 x3 x4 5 x6 x8 Fig 4 2 gives an example of the sensor response curve using different gain settings for Tint 1ms Sample Gain Response Curves 2 525nm Tint 1ms 1050 1000 1 15 1 8 25 3 45 6 8 Output code 10bit 0 r r r r r 0 0E 00 5 0E 05 1 0E 04 1 5E 04 2 0E 04 2 5E 04 3 0E 04 Optical Power W cm2 Figure 4 2 Response curve for different gain settings in linear mode amp When using gain LinLog and skimming in combination the parameters for each feature have to be selected very carfully Otherwise the image quality may not satisfy 18 4 2 2 LinLog The LinLog feature of CMOS image sensors from Photonfocus allows the user to adapt the characteristics of the sensor to the requirements of the application In situations involv
43. series the perfect solution for applications in which space is at a premium The general specifications and features of the camera are listed in the following sections 13 3 Product Specification 3 2 Technical Specifications Technology Scanning system BLIZZARD 60 CMOS active pixel progressive scan Optical format diagonal 2 3 9 mm Resolution Pixel size 750 x 400 pixels active 748 x 400 10 6 x 10 6 um Active optical area Random noise 7 95 x 4 30 mm lt 1 5 DN RMS 10 bit gain 1 Fixed pattern noise FPN lt 15 DN RMS 10 bit gain 1 Dark current Full well capacity 2 fA pixel 30 C 200 ke Spectral sensitivity 380 nm 950 nm Responsivity Optical fill factor 480x10 DN J m 610nm 10 bit gain 1 35 diode area only Dynamic range Color format 60 dB linear 120 dB with LinLog monochrome Characteristic curve linear or LinLog Shutter mode Readout mode global shutter non interleaved Table 3 1 gt 14 Min Region of Interest ROI Image sensor specifications The last two colums of every image consist of an end of line EOL pattern which cannot be turned off Therefore the maximum active resolution is 748 x 400 pixels but an image of 750 x 400 pixels is output The second to last column is always white and the last black This also applies when using Region of Interest see Section
44. tly flammable and poisonous 2 Propanole Iso Propanole Fluid Jonson Matthey GmbH Germany Semiconductor Grade 99 5 min Assay Merk 12 5227 UN1219 slightly flammable Table 7 1 Recommended materials for sensor cleaning For cleaning the sensor Photonfocus recommends the products available from the suppliers as listed in Table 7 1 7 3 Compliance CE Compliance is currently being tested 48 Warranty The manufacturer alone reserves the right to recognize warranty claims 8 1 Warranty Terms The manufacturer warrants to distributor and end customer that for a period of two years from the date of the shipment from manufacturer or distributor to end customer the Warranty Period that e the product will substantially conform to the specifications set forth in the applicable documentation published by the manufacturer and accompanying said product and e the product shall be free from defects in materials and workmanship under normal use The distributor shall not make or pass on to any party any warranty or representation on behalf of the manufacturer other than or inconsistent with the above limited warranty set 8 2 Warranty Claim The above warranty does not apply to any product that has been opened mod A ified or altered 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 par
45. tons Reset Reset the camera and reread the power on values into the configuration dialog box Store as Defaults Store current settings in the camera EEPROM as new boot up values Settings file File Load Load default values from a file Settings file File Save Save current values to a file Factory Reset Recover the factory settings from EEPROM Set camera to delivery status Exposure and Trigger Settings Blizzard 60 clO x Exposure Trigger window Characteristics Advanced Info Er j Store as defaults External Trigger Trigger Settings file The Extemal Trigger is level sensitive not edge sensitive amp a Exposure time ms 1 000 Factory Reset Figure 6 5 Exposure and triggering control This register tab contains trigger and exposure settings Free Running The sensor delivers frames consecutively the rate is determined by the exposure time plus readout time 40 External Trigger The sensor expects a trigger signal high active on the trigger input Note that if the trigger level is kept high before switching to this mode otherwise the sensor will still stay in free running mode Trigger Generate a software trigger The trigger input level must be low Exposure time ms Configure the exposure time in milliseconds Window Region of Interest Decimation Y Blizzard 60 clO x Exposure Trigger Window Characteristics Advanced Info Reset Regi
46. ty other than manufacturer 49 8 Warranty 50 Pinouts A 1 Power Supply A The power supply plugs are available from Binder connectors at www binder connector de A It is extremely important that you apply the appropriate voltages to your camera Incorrect voltages will damage or destroy the camera gt For US and Canada Ensure a UL listed power supply is used A suitable UL listed power supply is available from Photonfocus Figure A 1 Power connector assembly A 1 1 Power Supply Connector for CameraLink Model For the sake of completeness A 1 summarizes the order codes of the power supply connector Connector Type Order Nr 3 pole plastic 99 0405 00 03 3 pole metal 99 0405 10 03 Table A 1 Power supply connectors Binder subminiature series 712 51 A Pinouts Figure A 2 Power Supply plug for CameraLink model 3 pole rear view solder side Name Description NC Not connected GND Ground VDD 12 V DC 10 Table A 2 Power supply plug pin assignment for CameraLink model A 1 2 Power Supply Connector for USB Model For the sake of completeness A 3 summarizes the order codes of the power supply connector Connector Type Order Nr 7 pole plastic 99 0421 00 07 7 pole metal 99 0421 10 07 Table A 3 Power supply connectors Binder subminiature series 712 Av AN Pa T Ae f TO IAr 60 O Q 2 nc 50 O3 We 4
47. ulo 4 W 6 10 14 750 4 Y 0 1 2 394 1 H 1 2 3 400 1 Table 4 3 ROI size restriction Calculation of the Maximum Frame Rate The frame rate depends on the exposure time trigger mode and skimming mode Frame time 1 frame rate Frame time gt exposure time read out time Frame time gt Tin tuf Py Px Py 1 LP FS CPRE1 CPRE2 SR t U Tint LP CPRE1 CPRE2 SR FS Px Py pixel clock period in ns constant ty 50 00 ns exposure time range Tin 10 ys 52 ms line pause constant LP 61 clock cycles clocks between completed readout and before a new image acquisition begins External Trigger CPRE1 0 clock cycles Free running CPRE1 62 clock cycles clocks between end of integration and before the data transfer begins constant CPRE2 28 clock cycles skim reset additional clocks between end of integration and before the data transfer begins when skimming is active skim 0 SR 0 clock cycles skim gt 0 SR 1984 clock cycles frame start clocks between rising edge FVAL and first LVAL constant FS 73 clock cycles number of pixels in x direction 6 750 columns number of pixels in y direction 1 400 rows A frame rate calculator is available in the support area of the Photonfocus website 4 3 Reduction of Image Size 23 4 Functionality 4 3 2 Decimation Y 1 2 Decimation Y 1 2 1 2 Y axis subsampling is another possibility to increase the fr
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