Home

User's manual - Stemmer Imaging

1. Page 12 of 89 RA14 121 005 14 works VN series 5 3 Camera Block Diagram Image Processing CCD And Control Logic AFE TG 2 Nano Stage PZT Driver AFE Analog Front End TG Timing Generator Camera Link Figure 5 1 VN Camera Block Diagram All controls and data processing of VN cameras are carried out in one FPGA chip The FPGA generally consists of a 32 bit RICS Micro Controller and Processing amp Control Logic The Micro Controller receives commands from the user through the Camera Link interface and then processes them The FPGA controls the Timing Generators TGs and the Analog Front End AFE chips where the TGs generate CCD control signals and AFE chips convert analog CCD output to digital values to be accepted by the Processing amp Control Logic The Processing amp Control Logic processes the image data received from AFE and then transmits data through the Camera Link interface And also the Processing amp Control Logic controls the trigger inputs and strobe outputs which are sensitive to time Furthermore SDRAM and FLASH is installed outside FPGA SDRAM is used for the frame buffer to process images and FLASH contains the firmware that operates the Micro Controller And PZT Driver is applied to control XY Stage with nanometers unit a Page 13 of 89 RA14 121 005 W vieworks VN series
2. een n rrr TT 8 5 Product Specifications ere un 9 5 1 9 5 2 Technical 10 5 3 Camera Block Diagram 13 5 4 Spectral 14 5 4 1 Mono Camera Spectral Response 14 5 4 2 Color Camera Spectral Response 16 5 5 Mechanical Specification 18 6 Connecting the Camera e anaman nn rrr n a 19 6 1 19 6 2 Precaution to center the image 20 6 3 Precaution about blurring compared to center 20 6 4
3. 30 8 4 Channel Mode 36 8 5 Gain and OffSet 38 8 6 _LUT 39 Page 3 of 89 RA14 121 005 VN series 8 7 Defective Pixel 40 8 7 1 Correction Method 40 8 8 Flat Field Correction 41 8 9 Dark Signal Non uniformity Correction VN 8M 29M Only 43 8 10 Temperature Monitor 43 8 11 IUUENIS L 43 8 12 Pixel Shift 44 8 12 1 Pixel Shifting and True Color resolution 45 8 12 2 Sequence Mode 47 8 13 Data
4. PAIR List Pin Signal Name Type Description 1 Ground Ground Cable Shield PAIR 0 14 Ground Ground Cable Shield PARA 2 X0 LVDS Out Camera Link Transmitter 15 X0 LVDS Out Camera Link Transmitter 3 X1 LVDS Out Camera Link Transmitter PAIR 2 16 X1 LVDS Out Camera Link Transmitter 4 X2 LVDS Out Camera Link Transmitter PAIR 3 17 X2 LVDS Out Camera Link Transmitter 5 X3 LVDS Out Camera Link Transmitter PAIR 4 18 X3 LVDS Out Camera Link Transmitter PAIRE 6 XCLK LVDS Out Camera Link Transmitter 19 XCLK LVDS Out Camera Link Transmitter 7 SerTC LVDS In Serial Data Receiver PAIR 6 20 SerTC LVDS In Serial Data Receiver SAR 8 SerTFG LVDS Out Serial Data Transmitter 21 SerTFG LVDS Out Serial Data Transmitter 9 CC 1 LVDS In Software External Trigger PAIR 8 22 CC 1 LVDS In Software External Trigger 10 N C N C N C PAIR 9 23 N C N C N C 11 N C N C N C PAIR 10 24 N C N C N C 12 N C N C N C PAIR 11 25 N C N C N C 13 Ground Ground Cable Shield PAIR 12 26 Ground Ground Cable Shield Table 7 1 Pin Assignments for Camera Link Base Configuration Page 22 of 89 RA14 121 005 14 VN series 7 3 Power Input Connecter The power input connector is a Hirose 6 pin connector part HR10A 7R 6PB Pin arrangement and configuration are as follows Figure 7 3 Pin Arrangement of Power Input Connector Pin Number Description 1 2 3 4
5. VCCD Oe hi UA Image N 1 Image N Image N 1 READOUT STROBE Figure 8 11 Fast Trigger Mode a Page 34 of 89 RA14 121 005 14 works VN series 8 3 1 5 Overlap Mode The camera keeps standby status until trigger signal is entered like in Standard Mode and Readout starts after exposure process set earlier if trigger input occurs When new trigger input occurs during Readout of First image it keeps Readout and pass exposure process of new trigger input Provided however that when trigger input occurs during Exposure since Exposure Time is longer than trigger interval that trigger signal is ignored To obtain the image as maximum frame for trigger input Exposure Time should not be longer than Readout time trigger time should not be shorter than Readout time Channel Mode VN 8M VN 11M VN 16M VN 29M 1 channel 226 5 ms 294 1 ms 454 5 ms 763 1 ms 2 channel 121 9 ms 156 2 ms 238 1 ms 397 7 ms 4 channel 61 3 ms 199 6 ms Table 8 2 Readout Time for each model In addition overlap mode operates ideally when trigger signal interval or exposure time is constantly kept Exposure M Exposure N 1 Exposure N 2 EXPOSURE FVAL N en READOUT Figure 8 12 Overlap Trigger Mode Page 35 of 89 RA14 121 005 8 4 VN series Accumulated charges are read out of the sensor when exposure ends The sensor can be read out in one tap single channel
6. g oao 5 ui 020 0 10 0 00 375 425 415 525 55 625 65 125 825 875 925 975 1025 1075 Wavelength nm Red Clear Green Clear Blue Clear Red MAR Green MAR Blue MAR Figure 5 6 VN 8MC C16 Spectral Response 0 45 gt 040 5 0 35 030 H 025 020 8 0 15 lt 010 0 05 0 00 DET 3 Wavelength nm e Red Green 4 Blue Figure 5 7 VN 11MC C6 Spectral Response Page 16 of 89 RA14 121 005 eworks VN series Absolute Quantum Efficiency 400 500 600 700 800 900 1000 1100 Wavelength nm Figure 5 8 VN 16MC C4 Spectral Response 0 50 1 1 Measured with AR 0 45 coated coverglass 0 40 5 Absolute Quantum Efficiency S en S 0 00 T 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 Wavelength nm Red Green 9 Blue Figure 5 9 VN 29MC C5 Spectral Response Page 17 of 89 RA14 121 005 VN series vieworks 5 5 Mechanical Specification The camera s dimensions in millimeters are as shown in the following figure 123 5 _ 90 _ 90 6 0_ __ 8 M5 DP7 Camera Mounting Screw Holes Reference Plane Side Glass Image Plane _ o 21 lt Reference Plane Front for Camera Mounting 47 43 Mechanical Figure 5 10 VN Camera Mechanical
7. D 6 Factory Space Work Space 4 C User 1 Space s 2 Lc User 2 Space Figure 9 2 Parameter Area 61 of 89 RA14 121 005 orks VN series 9 4 Command List Value Command Syntax Description Returned Help h String Displays a list of all commands 0 Normal Mode 1 AOl Area Of Interest Mode AOI area Set Read Out Mode srm OJ1J2 OK is set using sha and sva commands Get Read Out Mode grm 0 1J2 2 Binning 2 or 4 Mode Binning Factor is set using sbf command Set Horizontal Area sha nin2 OK n1 Starting point of horizontal direction Get Horizontal Area gha ni n2 n2 End point of horizontal direction Set Vertical Area sva nin2 OK n1 Starting point of vertical direction Get Vertical Area gva ni n2 n2 End point of vertical direction Set Binning Factor 24 OK 2 2 by 2 binning Get Binning Factor gti 2 4 4 4 by 4 binning 0 Off Set Test Image sti 0111213 OK 1 2 Fixed Pattern Image Get Test Image gti 0111213 3 Moving Pattern Image 8 8 Bit Output Set Data Bit sdb 8110112 OK 10 10 Bit Output Get Data Bit gdb 8 10 12 12 12 Bit Output 0 Off Set LUT Select sls 01172 OK 1 LUT1 Get LUT Select gls 0 1 2 2 LUT2 Set Asynchronous Reset sar 0 1 OK 0 Inactivate Asynchronous Reset Get Asynchronous Reset gar 0 1 1 Activate Asynchronous Reset 1 1 Channel Mode Set Channel Mode scm 1 2 4 OK 2
8. Page 30 of 89 RA14 121 005 orks VN series Standard Frame Time lt Readout Time Exposure Time DATA READOUT SHUTTER Figure 8 6 Exposure Time is Shorter than Readout Time Frame Time Exposure Time Standard Frame Time Readout Time VCCD DATA READOUT SHUTTER ___ _____ O zu Figure 8 7 Exposure Time is longer than Readout Time EE M M M Q Page 31 of 89 RA14 121 005 14 works VN series 8 3 1 2 Standard Mode In Standard Mode the camera keeps standby status until trigger signal is entered and when trigger input occurs Readout start after Exposure process set earlier After Readout is completed and returns to trigger standby status again In Standard Trigger mode if a new trigger input occurs during readout the new trigger input is ignored TRIGGER SHUTTER BIN EXPOSURE EN VCCD DATA READOUT STROBE Figure 8 8 Standard Trigger Mode Ignoring Trigger Trigger Trigger N 1 TRIGGER Exposure N EXPOSURE FVAL o ooo EL Image N READOUT STROBE Figure 8 9 Retriggering 32 of 89 RA14 121 005 works VN series 8 3 1 3 Double Exposure M
9. 5 4 Spectral Response 5 4 1 Mono Camera Spectral Response The following graphs show the spectral response for VN Camera Link series monochrome cameras Measured with AR coated cover glass Absolute Quantum Efficiency 350 400 450 500 550 600 650 700 750 800 2850 900 950 1000 1050 1100 Wavelength nm Figure 5 2 VN 8MC M16 Spectral Response Absolute Quantum Efficiency 300 400 500 600 700 800 900 1000 Wavelength nm Figure 5 3 VN 11MC M6 Spectral Response Page 14 of 89 RA14 121 005 vieworks VN series Ti __ __ __ _ A NL J LN ___ Measured with AR coated cover glass __ _ NEM nn 300 400 500 600 700 800 900 1000 1100 N EDITI IN Wavelength nm Figure 5 4 VN 16MC M4 Spectral Response 0 45 Measured with AR coated cover glass 0 40 Absolute Quantum Efficiency E e 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 Wavelngth nm Figure 5 5 VN 29MC M5 Spectral Response Page 15 of 89 RA14 121 005 v vieworks VN series 5 4 2 Color Camera Spectral Response The following graphs show the spectral response for VN Camera Link series color cameras 0 60 clear as noted per legend 050
10. value image after correction Flat Field data In order to use the Flat Field Correction function one must first generate IF the Flat Field data This can be done by adjusting the camera to the environment and activating the Flat Field Generator The Flat Field Generator will standardize a series of images curtailing the image to 1 16 pixel generate the curtailed Flat Field data and store it in the external frame buffer When curtailed images are used for corrections it is expanded and applied with a Bilinear Interpolation as shown in Figure 8 21 When the Flat Field data is generated use the sfo command to set the M value and use the sic command to apply the Flat Field Correction Here the Flat Field data is stored on the RAM a volatile memory In order to reuse the stored data the sdf command must used to store them on the FLASH a non volatile memory 1 The activation of the Flat Field Generator will ignore the current camera configuration and will temporarily change the camera configuration to operate under the following default conditions When the generation of the Flat Field data is complete the original setting of the camera will be restored Readout Mode Normal Trigger Mode Free Run CAUTION Channel Mode Single Defective Pixel Correction ON 2 The offset value M is based on the Normal Readout mode According to the AOI mode Binning mode or Dual Channel mo
11. 51 8 14 Test Image 52 8 15 Horizontal Flip Only available on VN 11MC VN 16MO 54 8 16 Image Invert Positive Negative 55 8 17 DITODg e sac eee aan anna secre idee eter at ee nda aaa at sence an aaa nanah 56 8 17 1 Strobe Offset 56 8 17 2 Strobe Polarity 57 8 18 Field 57 9 Camera Configuration o nre nnn n nnn nnn LLL 58 9 1 Setup 58 9 2 Actual Time Applied Tor Commands 60 9 3 Parameter Storage Space 61 9 4 Command List 62 10 Configurator GUJ 66 10
12. gt Vieworks VN 11MC M6 File Start Up Tool About VIEW MODE EXP ANALOG LUT FFC Stage V2 1 11 Trigger Mode Exposure Source Polarity O Free Run Pulse Width cc1 O Active Low Ostandard O Program O Ext Active High O Fast O Double Frame Number after triggered Overlap Continue Number 1 Asynchronous Reset Exposure Time J 10000 100 ms 7s 10 00 ms Strobe Offset Strobe Polarity 0 0 Active Low Qus 1015 Dus Active High gt gt stm 4 OK 46 20 Figure 10 11 MODE EXP settings for Nano Stage Control e Trigger Mode Overlap e Exposure Pulse Width Source CC1 e Polarity Active High EE MM M M M M Page 76 of 89 RA14 121 005 Stage tab allows the user to set Sequence Mode and Nano Stage Sequence Mode Nano Stage Position nm X Multi Shot Mode Enable Disable CC2 Reset Polarity Stage Reset Stage Check Vieworks VN 11MC M6 File Start Up Tool About VIEW ANALOG LUT FFC Stage Sequence Mode Mano Stage Position nm r Vice S None X O0 1T nm Setting Range O 4 Shot Mono Y nm 0515000 9 Shot Mono 4 Shot Color Multi Shot Mode CC2 Reset Polarity 16 Shot Color Disable 36 Shot Color Active Low Enable Active High Stage reset after sequence S
13. Vaor 12 x T 2 time required to move electric charges accumulated on pixel to Vertical Register time required for Fast Dump number of Vertical Line of CCD time required for transmission of one line Size of Vertical AOI The available minimum value of and may vary depending on the camera model The value of T may vary depending on the channel mode The values of each item depending on the camera model are shown below VN Series VN 8M VN 11M VN 16M VN 29M TVCCD 17 0 4s 190 0 4s 242 0 us 56 3 Jus TL 1 channel 90 5 4S 106 8 4s 135 0 us 172 3 us TL 2 channel 46 6 us 55 9 4S 73 0 us 90 125 us TL 4 channel 46 6 4S 90 125 us TFD 4 1 us 6 0 4s 16 0 4s 6 8 4s VaizE 2520 Lines 2672 Lines 3248 Lines 4384 Lines Minimum Vertical AOI Size 300 Lines 334 Lines 406 Lines 500 Lines Table 8 1 Timing Value for VN Series a Page 27 of 89 RA14 121 005 W vieworks VN series The following figure shows frame rate depending on VAOI changes 90 80 70 60 50 4 772 Tap 8 40 Frame Rate 0771 i 30 20 4 10 4 300 517 734 9521169138616031820203822552472 500 888 1277 1665 2054 2442 2830 3219 3607 3996 4384 AOISize AOI Size Frame rate Frame rate 334 500 750 10001250 49091750 2000 2250 2500 2672 406 700 1000 1300 1600 2002200 2500 2800 3100 3248 Figure 8 2
14. nen n rrr anaman amana 81 E Gamma Graph 81 B 2 CSV File 82 Appendix C Field Upgrade MM TM 84 RM 84 2 FPGA M 87 Appendix D Position settings according to sequence modes 88 Page 5 of 89 14 121 005 W 1 Precautions VN series General e Do not drop damage disassemble repair or alter the device e Do not let children touch the device without supervision CAUTION not use the device for any other purpose then specified Contact your nearest distributor in case of trouble or problem e Do not install the device in a place subject to direct sun light humidity dust or soot e Do not place magnets near the product e Do not place the device next to heating equipments e Be careful not to let liquid like water drinks or chemicals leak inside the device CAUTION e Clean the device often to remove dust on it e In clearing do not splash water on the device but wipe it out with smooth cloth or towel Power Supply e tis recommended the use of 12V DC with 10 of voltage over of output current with KC CE or other local certification If voltage over 16V is supplied it wil
15. e Load Setting Save Setting Defect Pixel e System Upgrade Exit VN series C Vieworks VN 11MC M6 amea AEN Start Up Tool About Load Setting gt ANALOG FFC Stage V2 1 11 Save Setting Defect Pixel System Upgrade b Exit Test Image None O Test 1 5 Orest 2 E _ Orest 3 2671 Data Bit Channel LUT Image Processing Flat Field Corr Oiwar 22 D Inwert 12 BIT C Horizontal Flip VN 11MC M6 amp Figure 10 2 File menu Loads the camera setting values from the camera memory i e specified as Factory User1 or User2 or user computer From File Saves the camera setting values to the camera memory i e specified as User1 or User2 or user computer To File Downloads defect information to the camera Download to Camera or uploads defect information saved in the camera to user computer Upload to PC Upgrades MCU program or FPGA logic Exits Configurator Page 67 of 89 RA14 121 005 W vieworks VN series 10 2 2 Start Up The user can select the camera setting values to load when the camera is turned on Vieworks VN 11MC M6 Binning x2 Cixt Test Image 9 None O est 1 Test 2 O Test 3 Data Bit Channel Image Processing sem Ol Flat Field Corr 10 BIT 2 Tap de
16. Desktop My Documents My Network File name mcu srec Open Places Files of type srec EM Page 84 of 89 RA14 121 005 W vieworks VN series 3 Configurator starts downloading MCU upgrade file to the camera and downloading status is displayed at the bottom of the window If you want to cancel the upgrade process click Cancel This process requires several minutes to complete 5 Vieworks VN 11MC M6 Jr File Start Up Tool About i VIEW MODE EXP ANALOG LUT Stage V2 1 11 m Esp 20 o Chanel LUT lE Gott Flat Field Corr 92 Tap I Defect Corr Owr2 Horizontal Flip 4 Once the download has been completed the saving process will begin During the saving process the camera cannot be restored if a power failure occurs Make sure that the power connection is secured Vieworks VN 11MC M6 File Start Up Tool About VIEW MODE EXP ANALOG LUT E 2671 Channel Image Processing O1 Tap Gott Flat Field Corr 92 C Defect Corr Citrvert C Horizontal Flip Wait 19 Page 85 of 89 RA14 121 005 VN series vieworks 5 Once all the processes have been completed turn the power off and turn it back on again Select Tool gt Terminal and enter the command to confirm the version Or select
17. two tap dual channel or four tap quadrant channel VN 8MC only In case of one tap output all pixel values of Horizontal Register are shifted towards the left bottom Video Amplifier Video A In case of two tap output pixel values from left to the center of Horizontal Register are shifted towards the Video A and pixel values from the right are shifted towards the Video B In case of four tap output VN 8MC pixel values of the lower left area are shifted towards the Video A pixels values of the lower right area are shifted towards the Video B pixel values of the upper left area are shifted towards the Video C and pixel values of the upper right area are shifted towards the Video D The advantage of four tap output is that it makes readout about 4 times faster than one tap output Video cH Top Horizontal Register H gt Video D gt Aa Dark Rows Buffer Rows Active Pixels Left Dark Columns Left Buffer Columns Right Buffer Columns Right Dark Columns Buffer Rows B Dark Rows Dummy Pixels Video acH Horizontal Register H Video B Figure 8 13 Channel Mode Page 36 of 89 RA14 121 005 14 wee Re VN series The camera processes and rearranges the image data in order to be compliant with the base Camera Link Standard In single channel image data is read out line by line from the upper left corner until the last pixel
18. Vieworks VN 11MC M6 File Start Up Tool O Test 1 Test 2 Image Processing Field Corr Defect Corr Invert C Horizontal Flip Figure 10 5 About Menu e Camera Info Displays camera information product name serial number version etc EE MM Page 70 of 89 RA14 121 005 VN series 10 3 Tab 10 3 1 VIEW Tab VIEW tab allows the user to set the camera readout mode test image mode data bit channel LUT image processing etc e Mode e Test Image Data Bit Channel LUT e Imaging Processing Vieworks VN 29MC M5 File Start Up Tool About VIEW ANALOG rrc Stage Mons 6575 5 Aol 2 Binning 0 2 4 Test Image 9 None 1 Test 2 Test 3 4383 Data Bit Channel LUT Image Processing 1 of E Flat Field Corr 2 Ta E 10 BIT LUT 1 E Invert 12 BIT 4Tap LUT2 gt gt sdsnu1 OK 11 ms 378 22101 Figure 10 6 VIEW Tab Selects readout mode If AOI is selected AOI setting area is activated and AOI can be set by entering desired values If Binning is selected x2 X4 option buttons are activated Selects whether to apply test image and type of test image Selects width of data output Selects channel mode Selects whether to apply LUT and type o
19. Y comment line 2011 3 gt comment line 178 7 178 B 699 8 52 8 268 18 699 8 1112 18 268 10 1713 12 1112 10 698 16 1713 12 al 608 16 Start Up Tool About Load Setting gt ANALOG LUT Save Setting E 5 Defect Pixel Download to Camera System Upgrade bi y py Upload to PC Exit x4 Test Image 4008 H lt 2672 V None O Test 1 O Test 2 O Test 3 Data Bit Channel LUT Image Processing O of Flat Field Corr a O10 BIT C Defect Corr invert 12 BIT D Horizontal Flip gt gt stm4 OK 46 2 1 eee Page 78 of 89 RA14 121 005 v vieworks VN series 3 Search and select the created file and click Open Look in Upgrade E gt csv My Recent Documents Desktop My Documents Network File name defect csv Places Files of type csv files csv Cancel 4 Configurator starts downloading defective pixel map data to the camera and downloading status is displayed at the bottom of the window Vieworks VN 11MC M6 x File Start Up Tool About VIEW MODE EXP ANALOG LUT Stage V2 1 11 tee Cole Nomal AOI Binning exe E 2x4 Test Image None O Test 1 Orest 2 Orest 3 Data Bt Channel Ar Image Processing or LiFlatFiel
20. 1 VN Camera 5 66 10 2 Menu 67 10 2 1 Fille A 67 10 2 2 68 69 10 2 4 70 71 10 3 1 VIEW Tab 71 10 3 2 MODE EXP Tab 72 10 3 3 ANALOG Tab 73 10 3 4 74 10 3 5 FFC 75 ar 76 OOOEMAAAAaADALEAELILLD iAGARILULILLLULZOOL ASCUAAALLLOSLLLLLLALLLLAOAALLDBLLRIARLB LLLLELLLLLELL y LULLLILIuLLL IL LLGELCGLLTILELLULLULLUIULL CJ Page 4 of 89 RA14 121 005 works VN series Appendix A Defective Pixel Map Download 78 Appendix LUT Download
21. Frame Rate by changes EE M Page 28 of 89 RA14 121 005 Ww eworks 8 2 Binning Binning has the effects of increasing the level value and decreasing resolution by adding the values of the adjacent pixels and sending them as one pixel The camera applies same Binning Factor 2 or 4 to both directions in order to keep the percentage of image The below figure shows application of 2 2 Binning and 4 x 4 Binning respectively Since Binning in vertical direction is processed at internal register of CCD the frame speed increases as many as Binning Factor if Binning is applied but Binning in horizontal direction does not affect frame speed Binning Factor is set using sbf command monochrome CAUTION onochrome OBOR DEAT JESL ESL ES Eee Figure 8 3 2 x 2 Binning JESESESL TES HOODOO Figure 8 4 4 4 Binning Even if the binning is performed on the color camera the resulting image will be Page 29 of 89 Katie VN series 8 3 Trigger 8 3 1 Trigger Input Trigger mode of the camera is divided into Trigger synchronous mode and Trigger asynchronous mode hereinafter Free Run mode depending on its synchronization with trigger input Trigger synchronous mode is divided into Standard mode Double Exposure mode Fast mode Overlap mode depending on
22. Installing the 20 7 Camera Interface anana amana na nnn nnn nnn nnnm nene 21 7 1 General Description 21 7 2 Camera Link Connector 21 7 3 Power Input Connecter 23 7 4 Control 24 7 5 Trigger Input 25 7 6 Strobe Output 25 8 Camera Features enn nnn 26 8 1 Area Of Interest 1 26 8 2 29 8 3 30 8 3 1 Trigger INpUt
23. Load from Factory Setting when Set Config Initialization sci 0 1 2 OK initializing Get Config Initialization gci 01112 1 Load from User 1 Setting when initializing 2 Load from User 2 Setting when initializing Get MCU Version gmv String Displays MCU Version Get Model Number gmn String Displays Camera Model Number Get FPGA Version gfv String Displays FPGA Version Get Serial Number Gsn piece String Display Serial Number Get Current Temperature gct String Display Temperature Value Set Pclk Selection sps 0 1 OK 0 Pixel Clock 30 MHz Get Pclk Selection gps o i 1 Pixel Clock 40 MHz Table 9 4 Command List 4 e Page 64 of 89 RA14 121 005 orks VN series v W t Value Command Syntax Description Returned Move stage to specified position M Axis x or y Set Nano Stage Position Snp axis pos OK Pos position Get Nano Stage Position Gnp axis pos Ex snp x 50 move stage to 50nm position toward x coordinate Reset Nano Stage Reset stage position to 0 0 amp Calibrate rnp m Position stage position sensor 0 None Manual 1 4 Shot Mono Set Sequence Mode Ssm 0 1 2 3 4 5 OK 2 9 Shot Mono Get Sequence Mode Gsm 0 1J2 3 4 5 3 4 Shot Color 4 16 Shot Color 5 36 Shot Color Set Multi Shot Enable Sme 011 OK 0 Disable Get Multi Shot Enable Gsm 0 1 1 Enable Set Camera Link CC2 Port Stage Set Reset Polarity Srp OK Reset Polarity Get Reset Polarity Grp 0 1 0 Active Low
24. fps 115 3 M Rate at 4 Shot 9744 6496 13152 x 8768 Resolution x9 0 5 fps 142 4 M 0 6 fps 259 5 M 9 Shot 14616 x 9744 19728 13152 Pixel Clock 30 40 MHz 40 80 Miz Exposure Time 10 us step Partial Scan Max Speed 1 4500 sec 7 sec 10 us step 17 fps at 406 Lines 1 100000 sec 7 sec 16 fps at 1000 Lines Table 5 3 Specifications of VN Series VN 16M and 29M continuous eee RA14 121 005 Page 11 of 89 works VN series VN Series VN 16M VN 29M Gamma Correction User defined LUT Look Up Table Black Offset Adjustable 0 127 LSB at 12 bits 256 step Video Gain Analog Gain 0 32 dB 900 step Mode Free Run Overlap Fast Double Trigger Mode Programmable exposure time and trigger polarity External Trigger External 3 3 V 5 0 V 10 mA optically isolated Software Trigger Camera Link CC1 Programmable Exposure Dynamic Range gt 62 dB Control RS 232C via Camera Link 115 2 K bps Shift Range 0 15 um 1 nm step Shift Resolution 0 001 um Shift Control Manual Mode or Sequence Mode 4 9 Shot Mono 4 16 36 Shot Color Shift Latency 8 ms Lens Mount F mount Power 10 14 V DC Max 8 W 10 14 V DC 12W Environmental Operating 10 C 40 C Storage 30 65 C Mechanical H x Vx D 90 mm 90 mm X 123 mm 1 2 kg Table 5 4 Specifications of VN Series VN 16M and 29M
25. image can be applied in all operation modes of camera and is set using sti command Figure 8 30 Test Image 1 EE Page 52 of 89 RA14 121 005 eworks VN series Figure 8 31 Test Image 2 Figure 8 32 Test Image 3 Page 53 of 89 RA14 121 005 eworks VN series 8 15 Horizontal Flip Only available on VN 11MC and VN 16MC Function to flip the image right and left based on the central axis of image This function can be applied to all operation modes and shf command is used to set whether to use this function or not Figure 8 33 Original Image Figure 8 34 Horizontally Flipped Image ERE M M Page 54 of 89 RA14 121 005 Ww works VN series 8 16 Image Invert Positive Negative Function to invert the level value of output image Level value inverted differs depending on output data format even if input value is same This function can be applied in all operation modes of camera and sii command is used to set whether to use this function or not Data Format Original Value Inverted Level Value 8 0 255 10 0 1023 12 0 4095 Table 8 4 Inverted level value by Data Format Figure 8 35 Original image Positive Figure 8 36 Inver
26. mechanical parts of the camera or CAUTION temperature change on installed environment In this case executing a Stage Reset command will compensate zero point drift to operate the stage normally 8 12 2 5 Sequence Auto Reset This function will be available only when Sequence mode is activated Sequence Auto Reset performs Stage Reset zero point adjustment whenever one cycle of sequence is completed 8 12 2 6 Stage Check The return values of reset command rnp or move stage command snp indicate whether a stage normally operates or not If a stage normally operates it returns OK Error otherwise If Multishot is enabled it is possible to check the stage status without using rnp command When the stage does not normally operate the camera stops the current sequence and then checks its status via the number of frame For example if you set Sequence Mode to 4 shot the camera acquire and transfer 4 images normally However the camera could unexpectedly stop the sequence so that 4 images cannot be transferred in abnormal operation status At this time you can verify the number of frame to check the stage status You can perform more detailed test on the stage by clicking the Stage Check button on the Stage tab of Configurator Then you can send test results to local dealer or manufacturer to diagnose the camera stage An impact of 10G or more would distort the operation range of stage or alignment of the sensor and cause
27. output 4095 4094 4093 4092 4091 4095 0 Page 82 of 89 RA14 121 005 eworks VN series 2 Click Load File on LUT tab 5 Vieworks VN 11MC M6 File Start Up Tool About view MODE EXP ANALOG FrC 1023 2047 3071 4035 Camera Download Upload Gun Owr Upload to PC Download completed 47 30 A 3 Search and select the created LUT file and click Open Look in Upgrade ck E3 3 My Recent Documents Desktop My Documents My Network File name lut lut Open Places Files of type LuT files lut v Cancel 4 Select LUT1 or LUT2 as location to store the data and click Download The subsequent processes are identical to those of Gamma Graph Download Page 83 of 89 RA14 121 005 14 vieworks VN series AppendixC Field Upgrade C 1 MCU 1 Select File gt System Upgrade gt MCU Upgrade on Configurator C Vieworks VN 11MC M6 Start Up Tool About Load Setting gt ANALOG LUT Stage 2 1 11 Save Setting Defect Pixel System Upgrade gt MCU Upgrade FPGA Upgrade 4 Test Image O Nene Test 1 O Test 2 Orest 3 Data Bit Channel LUT Image Processing O ssr O Tap Gor Flet Field Corr 2T Our Defect Corr invert 12 C Horizontal Flip Look in e Upgrade Eg
28. permanent damage to the stage since it is mechanically CAUTION sensitive to shocks Please handle the camera with care 50 of 89 RA14 121 005 VN series NOT 8 12 2 7 Image Arrangement To acquire the resulting image the user needs to combine shifted images into one result image on the PC side with software processing Sample source or demo program that is helpful to combine images can be provided from the local dealer or manufacturer 8 13 Data Format Data can be processed in the unit of 12 bit internally but can be selectively output in the unit of 8 10 or 12bit at output When it is output in 8bit and 10bit unit lower 4 bit and 2 bit are cut out from overall 12bits MSB LSB 011 010 09 08 07 06 05 D4 03 D1 DO ata v Y Y __ 12Bit Output 011 010 08 07 06 05 04 03 D2 01 DO 10Bit Output mani Figure 8 29 Data Format E 4 E 4 a Page 51 of 89 RA14 121 005 Ww works VN series 8 14 Test Image To check normal operation of camera it can be set to output test image created inside instead of image data from CCD There are 3 types of test image image with different value in horizontal direction Test Image 1 image with different value in diagonal direction Test Image 2 and moving image with different value in diagonal direction Test Image 3 Test
29. 0 127 LSB at 12 bits 256 step Video Gain Analog Gain 0 32 dB 900 step Mode Free Run Overlap Fast Double Trigger Mode Programmable exposure time and trigger polarity External 3 3 V 5 0 V 10 mA optically isolated External Trigger Software Trigger Camera Link CC1 Programmable Exposure Dynamic Range gt 62 dB Control RS 232C via Camera Link 115 2 K bps Table 5 1 Specifications of VN Series VN 8M and 11M continuous aa Page 10 of 89 RA14 121 005 v VN series VN Series VN 8M VN 11M Shift Range 0 15 yum 1 nm step Shift Resolution 0 001 um Shift Control Manual Mode or Sequence Mode 4 9 Shot Mono 4 16 36 Shot Color Shift Latency 8 ms Lens Mount F mount Power 10 14 V DC Max 6 W 10 14 V DC Max 10 W Environmental Operating 10 C 40 C Storage 30 C 65 C Mechanical 90 mm 90 mm 123 mm 1 2 kg H x V x D Table 5 2 Specifications of VN Series VN 8M and 11M VN Series VN 16M VN 29M Active Image H gt lt V 4872 3248 6576 x 4384 Sensor Type Kodak KAI 16000 Kodak KAI 29050 Pixel Size 7 4 um X 7 4 um 5 5 um X 5 5 un Sensor Output 1 or 2 Tap Output 1 or 2 Tap Output Video Output 8 10 12 bits 1 or 2 Tap Camera Interface Camera Link Base Global Shutter Electronic Shutter x1 4 2 fps 15 8 M 5 fps 28 8 M 1 Shot 4872 3248 6576 4384 Max Frame x4 1 1 fps 63 3 M 1 3
30. 1 Active High Stage reset after stage sequence Set Sequence Auto Reset Ssr O 1 OK e Get Sequence Auto Reset Gsr 01 8 Table 9 5 Command List 5 _____________________________________________485 Page 65 of 89 RA14 121 005 eworks VN series 10 Configurator GUI Configurator a sample application is provided to control VN Series camera Configurator provides easy to use Graphic User Interface GUI for the user while using the commands mentioned previous chapters 10 1 VN Camera Scan When you execute the program while the camera is turned on Camera Scan window appears as shown in the figure below At this time the program checks serial port of computer and DLL provided by camera link to scan whether the camera is connected If there is a camera connected it displays model name on the screen If the camera is not properly displayed on the screen check the connection of cable with power of camera and press refresh button When you double click model name displayed on the screen Configurator is executed and displays current setting value of camera connected Camera Scan vieworks Camera Mot Found VN 11MC M6 X64 CL iPro 1 Serial 0 VN 11MC M6 Figure 10 1 Configurator Loading Window ERE MM M M Page 66 of 89 RA14 121 005 W vieworks 10 2 Menu 10 2 1 File
31. 12V DC DC Power Input 4 5 6 DC Ground Input DC Ground Input Table 7 2 Pin Configuration of Power Input Connector Connecting the power cable to the camera can be made by using the Hirose 6 pin plug part HR10A 7P 6S or the equivalent The power adaptor is recommended to have at least 1A current output at 12 V DC 10 voltage output Users need to purchase the power adaptor separately Precaution for Power Input Make sure the power is turned off before connecting the power cord to the camera Otherwise damage to the camera may result CAUTION e camera input voltage is greater than 16 V damage to the camera may result Page 23 of 89 RA14 121 005 works VN series 7 4 Control Connecter The control connector is a Hirose 4 pin connector part HR10A 7R 4S and consists of external trigger signal input and strobe output ports Pin arrangement and configuration are as follows Figure 7 4 Pin Arrangement of Control Connector Pin Number Signal Type Description 1 Trigger Input Input 2 Trigger Input Input 3 DC Ground DC Ground 3 3 V TTL Output 4 Strobe Out Output Output resistance 47 Table 7 3 Pin Arrangement of Control Connector The mating connector is a Hirose 4 pin plug part HR10A 7P 4P or the equivalent connectors a Page 24 of 89 RA14 121 005 14 works VN series 7 5 Trigger Input Circuit Following figure shows trigger signal
32. 2 Channel Mode Get Channel Mode gcm 1 2 4 4 4 Channel Mode Set Flat Field Correction sfc 01 OK 0 Off Get Flat Field Correction gfc 0 1 1 Active of Flat Field Correction Set Defect Correction 011 OK 0 Off Get Defect Correction gdc 0 1 1 Active of Defect Correction Table 9 1 Command List 1 Page 62 of 89 RA14 121 005 VN series Value NS Command Syntax Description Returned Set Image Invert sii O i OK 0 Off Get Image Invert gii 0 1 1 Active of Image Invert Set Horizontal Flip shf 011 OK 0 Off Get Horizontal Flip ghf oji 1 Active of Defect Correction 0 Free Run Mode 1 Standard Mode Set Trigger Mode stm 0 1 2 3 4 OK 2 Fast Mode Get Trigger Mode gtm 011121314 3 Double Mode 4 Overlap Mode Set Exposure Source ses 011 OK 0 Program Exposure by camera Get Exposure Source ges 12 1 Pulse Width by trigger input signal Set Trigger Source sts 1 2 OK 1 CC1 Port Input Camera Link Get Trigger Source gts 12 2 External Input External control port Set Trigger Polarity stp 01 OK 0 Active Low Get Trigger Polarity gtp 0 1 1 Active High Set Exposure Time set n OK n Exposure Time in us Get Exposure Time get n Setting range 10 7 000 000 us Set Strobe Offset 550 n OK n Strobe Offset Time in us Get Strobe Offset gso n Setting range 0 10 000 4s Set Strobe Polarity ssp 011 OK 0 Active Low Get Strobe Polarity gsp 0 1 1 Active High Set Analog Gain sa
33. About gt Camera Info to confirm the MCU version Vieworks VN 11MC M6 Vieworks VN 11MC M6 Start Up Tool About File Start Up Tool About VIEW MODE EXP ANALOG LUT VIEW MODE EXP ANALOG LUT FFC Stage V2 1 11 About Chanel Image Processing Q1 Flat Field Corr 22 un Corr Invert Horizontal Flip J ERE Page 86 of 89 RA14 121 005 W vieworks C 2 FPGA VN series 1 Select File gt System Upgrade gt FPGA Upgrade on Configurator Vieworks VN 11MC M6 MCU Upgrade FPGA Upgrade Test Image O None S Test 1 Orest 2 Orest 3 rese A Channel LUT O1 Tap 7 o off Image Processing Flat Field Corr D Defect Corr invert D Horizontal Flip Out O10BIT Gy i2BIT 2 Search and select the provided FPGA upgrade file bin and click Open Look in e Upgrade ex My Recent Documents Desktop My Computer fpga bin Binary File bin Open Cancel File name Files of type 3 The subsequent processes are identical to those of MCU upgrade EM Page 87 of 89 RA14 121 005 v Appendix D Position settings accordi
34. Dimension F Mount ER E E bi Page 18 of 89 RA14 121 005 works VN series 6 Connecting the Camera The following instructions assume that you have installed a Camera Link frame grabber in your PC including related software For more information refer to your Camera Link frame grabber User Manual To connect the camera to your PC follow the steps below 1 Make sure that the power supply is not connected to the camera and your PC is turned off 2 Plug one end of a Camera Link cable into the Camera Link connector on the camera and the other end of the Camera Link cable into the Camera Link frame grabber in your PC Connect the plug of the power adaptor to the power input receptacle on the camera Plug the power adaptor into a working electrical outlet Verify all the cable connections are secure 6 1 Mount Plate Mount Plate is provided as an optional item e camera can be fixed without using this Mount Plate ERE M M Page 19 of 89 RA14 121 005 14 works VN series 6 2 Precaution to center the image sensor e User does not need to center the image sensor as it is adjusted as factory default settings e When you need to adjust the center of image sensor please contact your local dealer or the manufacturer for technical assistance 6 3 Precaution about blurring compared to center User
35. User Manual BMC VN 11MC lt lt MN 16MC 17 LULA 29MC vieworks VN series Revision History Version Dae Descriptions 1 0 2011 05 24 Initial release T soirs Added 4 Tap readout mode of VN 8MC and Sequence mode content updated all related tables and figures Fixed Minor errors 1 2 2011 12 22 Added VN 29MC Added Stage Check Corrected errors 1 3 2012 4 4 e Added description of M5 set screws for tilt adjustment e Revised spectral response according to the updated TSI datasheets 1 4 2013 06 14 e Added Actual Time Applied for Commands e Removed the Horizontal Flip feature from VN 8MC and VN 29MC Corrected position setting values in the 16 Shot Bayer Color sequence 1 5 2013 08 06 1 6 2013 08 21 Added DSNU Correction feature to VN 8MC and VN 29MC Page 2 of 89 RA14 121 005 VN series Contents 1 Precautions eo rer rrr nnnm nn nnnm nnnm nnn nnn nnn 6 2 Warranty n rernm nn nnn nenne rn n nnn e 7 3 Compliance amp Certifications o nnn Tr T TM 7 3 1 FCC 7 3 2 7 3 2 1 KCC 7 4 Package Components
36. concrete operation type It is required to set the trigger first to operate the camera in Trigger synchronous mode In concrete it is required to select which one of CC1 port and TRIGGER IN port should be used as trigger input and to set whether polarity of trigger should be Positive or Negative 8 3 1 1 Free Run Mode Free Run Mode repeats Readout depending on parameter value set in the camera currently regardless of trigger input VCCD SHUTTER Exposure for Exposure for Exposure for Image N 1 Image N Image N 1 EXPOSURE M M FVAL B S Image N 1 Image N READOUT STROBE Figure 8 5 Free Run Mode As shown in the above figure Readout section overlaps with exposure section of next image in Free Run Mode At this time the camera operation slightly differs depending on length of Exposure Time and Readout time If Exposure Time is shorter than Readout Shutter signal occurs during readout and when Readout finishes Readout of next image starts Figure 8 6 In this case frame speed is constant regardless of change in Exposure Time But if Exposure Time is set longer than Readout time Shutter signal occurs together with start of Readout and Readout of next image does not start until Exposure Time set elapses even if Readout finishes Figure 8 7 In this case frame speed gets lower as the setting value of Exposure Time increases
37. cteristics of the sensor structure readout of the image will be proceeded at the top and bottom simultaneously If the Channel mode is set to 4 Tap and Vertical AOI is applied V End will be ignored because V End is defined by V Start The actual V End will be applied according to the following formula The narrower Vertical AOI is designated the faster the frame speed will be However Horizontal AOI does not affect frame speed For more information about AOI parameter settings see sha and sva command on Command List 0 0 HSI ZE 1 0 Horizontal AOI V Start Vertical Area Of Interest EMEN V End 0 VSI ZE 1 HSIZE 1 VSI ZE 1 H Start H End Figure 8 1 AOI The AOI values V may vary depending on the type of frame grabber For technical assistance contact to your local dealer or the manufacturer CAUTION y Page 26 of 89 RA14 121 005 SS VN series The maximum frame speed depending on the change of Vertical AOI can be obtained as shown in the following expression 1 or 2 Channel Mode for VN 8M amp VN 29M Frame Rate fps 1000000 Vsrz Vaor 12 Vaor 12 Ti 1 or 2 Channel Mode for VN 11M amp VN 16M Frame Rate fps 1000000 Trp Vaor Vaor Ti ode for VN 8M amp VN 29M f 1000000 Tyccp Trp Vaor 12 2
38. d Corr Defect Corr D Invert D Horizontal Flip Qur1 12 79 of 89 14 121 005 W vieworks VN series 5 Once the download has been completed the saving process will begin During the saving process make sure not to disconnect the power cord gt Vieworks VN 11MC M6 File Start Up Tool About O Test 3 Data Bit Channel AUT Image Processing O1Tap off Flat Field Corr SEK Corr Invert 12 BIT Horizontal Fip 6 Once all the processes have been completed Download completed message will appear at the bottom of the window w Vieworks VN 11MC M6 File Start Up Tool About ra efe Page 80 of 89 RA14 121 005 14 orks VN series AppendixB LUT Download LUT data can be created in two ways by adjusting the gamma values on the gamma graph provided in the program and then downloading the data or by opening a CSV file csv and then downloading the data B 1 Gamma Graph Download 1 Set a desired gamma value on LUT tab and click Apply gt Vieworks VN 11MC M6 File Start Up Tool About VIEW ANALOG LUT FFC 1023 2047 3071 4095 Camera LUT Download Upload Gir Upload to PC stm 47 30 2 Select LUT1 or LUT2 as a location to store the data and click Dow
39. de the offset value of an actual image is expressed differently EE MMM M G Page 41 of 89 RA14 121 005 VN series Flat Field Calibration Block Diagram 1 64 Scale Down External cale Do SRAM Flat Fielding Block Diagram Bilinear gt Interpolated SRAM PME Magnification lt 1 gt gt IR M IF IR ag Figure 8 20 Generation and Application of Flat Field Data Magnified Image Boundary Scale Down Data Magnified Image Boundary Figure 8 21 Bilinear Interpolated Magnification Page 42 of 89 RA14 121 005 works VN series 8 9 Dark Signal Non uniformity Correction VN 8M 29M Only In theory when an area scan camera captures a frame in complete darkness all of the pixel values in the frame should be near zero and they should be equal In practice however slight variations in the performance of the pixels in the sensor will cause some variations in the pixel values output from the camera when the camera is capturing in darkness This variation is known as Dark Signal Non uniformity DSNU The VN 8M and VN 29M models provide the DSNU Correction feature sdsnu command is used to set whether to use the DSNU correction feature When you enable the DSNU Correction feature you cannot acquir
40. does not need to adjust the tilt as it is adjusted as factory default settings e tilt settings need to be adjusted inevitably please contact your local dealer or factory representative for technical support 6 4 Installing the Configurator e You can control the camera by executing the Configurator exe file e can download the latest Configurator at machinevision vieworks com e Please refer to your Camera Link frame grabber user manual Page 20 of 89 RA14 121 005 works VN series 7 Camera Interface 7 1 General Description As shown in the following figure 3 types of connectors and status indicator LED are located on the back of the camera and have the functions as follows Status LED displays power status and operation mode 26 pin Camera Link Connector controls video data transmission and the camera 3 4 pin Control Connector inputs external trigger signal and outputs strobe 6 pin Power Input Connector supplies power to the camera Figure 7 1 VN Series Back Panel T 2 Camera Link Connector Figure 7 2 Camera Link Connector Page 21 of 89 RA14 121 005 Camera Link connector complies with Camera Link Standard and the following list shows the pin configuration of the connector VN series
41. e Use note of this 7 of 89 RA14 121 005 NOT VN series 4 Package Components Package Components VN Camera F Mount Mount Plate Optional M5 Set Screws for Tilt Adjustment Provided only with F mount camera You can adjust the tilt using the M5 set screws however it is not recommended since it is adjusted as factory default settings If the tilt settings need to be adjusted inevitably please contact your local dealer or factory representative for technical support 8 of 89 RA14 121 005 14 VN series 5 Product Specifications 5 1 Overview The VN Camera Link series is a progressive scan high resolution industrial area scan cameras All functions of VN cameras can be programmed and updated in the field The image processing and controls of VN Camera Link series is based on embedded FPGA with a 32 bit microprocessor Furthermore the VN Camera Link series has improved resolution by using pixel shift technology A XY Stage is precisely shifted as nanometers unit so that the image sensor can be moved in X and Y direction 1 2 or 1 3 pixel distance while taking images Main Features Area Of Interest e Trigger Mode e Binning Mode 2 x 2 4 x 4 Output Width 8 10 12 bit e Output Channel 1 Tap 2 Tap 4 e Auto Taps Adjustment e Electronic Shutter 2D Flat Field Correction e Strobe Output e Analog Ga
42. e frames at the camera s nominal maximum frame rate This is true because the camera takes time milliseconds to apply the DSNU Correction feature after reading out the pixel values CAUTION When you acquire frames using the CC1 or external triggering you must consider the triggering cycle properly 8 10 Temperature Monitor Sensor chip is embedded in the camera to monitor the internal temperature gct command is used to check the temperature of camera 8 11 Status LED There is green LED to inform the operation status of camera on the back of camera LED status and corresponding camera status are as follows e Continuous ON operates in Free Run Mode e Repeat ON for 0 5 seconds OFF for 0 5 seconds operates in Trigger Mode e Repeat ON for 1 second OFF for 1 second outputs Test Image e Repeat ON for 0 25 second OFF for 0 25 second operates in Trigger Mode and outputs Test Image EE M M M G Page 43 of 89 RA14 121 005 works VN series 8 12 Pixel Shift The Pixel Shift camera shifts the image sensor to X and Y direction precisely with 1 2 or 1 3 pixel distance using 2D Stage The resulting image can be combined of 4 individual images captured by shifting the image sensor to X and Y direction with 1 2 pixel distance as shown in the figure below Thus the output image offers improved resolution 4 shot res
43. er or sets Gamma value to be applied while using Gamma curve Camera LUT Download Upload Downloads LUT data to camera from the user computer Download or uploads LUT data saved in the camera to the user computer Upload to PC a Page 74 of 89 RA14 121 005 vorks VN series 10 3 5 FFC Tab FFC tab allows the user to set Flat Field Correction settings All scroll bars are controllable with the mouse wheel scroll Vieworks VN 11MC M6 File Start Up Tool About VIEW MODE EXP ANALOG LUT FFC Stage V2 1 11 FFC Data Flesh Memory Number of acquisition frame L 1 2 4 16 Data Download Upload FFC Offset Level 2087 4095 VN 11MC M6 46 20 Figure 10 10 FFC Tab e FFC data Generates the FF data to be used for correction and sets how many images will be used for the generation e Flash Memory Saves the generated FF data to Flash in order to reuse in the future or retrieves the saved FF data FFC Data Download Upload Downloads FFC Data from the user computer Download to camera or uploads FFC Data to the user computer Upload to PC e FFC offset Level Sets the offset value of the image after Flat Field Correction is applied EE M Page 75 of 89 RA14 121 005 eworks VN series 10 3 6 Stage Tab Before setting the stage the user must set MODE EXP tab with following values
44. f LUT Sets Flat Field Correction Defect Correction Image Invert Horizontal Flip VN 11MC 16MC Only or DSNU VN 8MC 29MC Only functions On or Off Page 71 of 89 RA14 121 005 10 3 2 VN series MODE EXP Tab MODE EXP tab allows the user to select trigger mode exposure time and strobe All scroll bars are controllable with the mouse wheel scroll Trigger Mode Exposure Source Polarity Asynchronous Reset Frame Number After triggered Exposure Time Strobe Offset Strobe Polarity Vieworks VN 11MC M6 File Start Up Tool About view MODE EXP ANALOG LUT stage V2 1 11 Trigger Mode Exposure Source Polarity 9 Free Run Pulse width CCl Standard Program Ext O Fast O Double Overlap Continue Number Frame Number after triggered Asynchronous Reset Exposure Time 10000 10 00 ms Strobe Offset Strobe Polarity 9 4 O Active Low Dus 100us Active High gt gt OK 46 2 0 Figure 10 7 MODE EXP Tab Selects trigger mode Once a mode has been selected related selections will be activated Selects exposure source Selects trigger source Selects polarity of trigger input Sets asynchronous reset On or Off Activated in Standard mode and sets the number of frame to receive after triggering Sets exposure time w
45. fect Corr D Invert 1261 Horizontal Flip Figure 10 3 Start Up Menu e Factory Setting Loads the camera setting values from Factory Space e Userl Setting Loads the camera setting values from User1 Space User Setting Loads the camera setting values from User2 Space EE MM Page 68 of 89 RA14 121 005 W vieworks VN series 10 2 3 Tool Vieworks VN 11MC M6 File Start Up About Refresh Teminal Color Calibration Factory Setting None O Test 1 2 E OTest 3 2671 Data Bit Channel LUT Image Processing O1 Tap off Flat Field Corr O10BT CI Defect Corr Over NN 11MC M6 Figure 10 4 Tool Menu e Refresh Loads and displays the current camera setting values on Configurator e Terminal Displays user commands in Terminal window under GUI To hide Terminal window uncheck Terminal by clicking again e Color Calibration Performs Bayer sensor color calibration e Factory Setting Not supported in the user side High Speed Operates the camera with 40 MHz pixel clock Not supported on VN 8MC E M Page 69 of 89 RA14 121 005 W vieworks VN series 10 2 4 About
46. g n OK n Analog Gain Parameter Get Analog Gain gag n Setting Range 0 899 Set Analog Offset sao n OK n Analog Gain Parameter Get Analog Offset gao N Setting Range 0 255 2 AFE Channel of Right Top Image 3 AFE Channel of Left Bottom Image Set Gain Offset sgo 2 3j4 n OK 4 AFE Channel of Right Bottom Image Get Gain Offset ggo 21314 n n Analog Gain offset Parameter Setting Range 20 20 Auto Gain Offset ago OK Auto Generation Gain Offset Table 9 2 Command List 2 Page 63 of 89 RA14 121 005 VN series Command Syntax Value Returned Description Generate Flat Field Data gfd OK Operate Flat Field Generator Save Flat Field Data sfd OK Save Flat Field Data Load Flat Field Data Ifd OK Load Flat Field Data Set Flat Field Iteration sfi n OK 2 image acquisitions Get Flat Field Iteration gfi n Setting Range 0 4 Set Flat Field Offset sfo n OK n Flat Field Target Level Get Flat Field Offset gfo n Setting Range 0 4095 Set Dark Signal Non uniformity sdsnu 011 OK 0 Disable DSNU Get Dark Signal Non uniformity gdsnu 0 1 1 Enable DSNU Table 9 3 Command List 3 Command Syntax Value Returned Description 0 Load from Factory Setting Load Config From O 1 2 OK 1 Load from User 1 Setting 2 Load from User 2 Setting 0 Save to User 0 Setting inactive Save Config To sct 1 2 OK 1 Save to User 1 Setting 2 Save to User 2 Setting 0
47. ger input will be needed to acquire N images External Trigger Input S Internal Trigger Stage Reset Exposure Shifting EVAL Image 1 Image 2 Imager 3 Image 4 ReadOut ReadOut ReadOut ReadOut Figure 8 27 Timing Diagram when Multi Shot is enabled on Sequence 4 Shot mode External Trigger Input Exposure W RENN Shifting 1 1 i 1 1 1 Stage Reset Image 1 Image 2 Imager 3 Image 4 EVAL ReadOut ReadOut ReadOut ReadOut Figure 8 28 Timing Diagram when Multi Shot is disabled on Sequence 4 Shot Mode Page 49 of 89 RA14 121 005 W 4 orke VN series 8 12 2 4 Stage Reset The stage can be reset by using Reset command rnp or Camera Link Camera Control Port CC2 input Stage reset performs following two functions depending on the status of the stage Sequence Mode reset When stage reset command is entered while running the sequence the camera stops and resets the sequence and then returns to waiting status for trigger input e Stage Position Sensor Calibration Zero points can be changed according to temperature changes since the displacement sensor of the stage is sensitive to temperature This function adjusts zero point of displacement sensor so that the sensor can be maintained within the operating range Zero point drift the displacement sensor strays from the stage s operating range may occur according to a physical change on
48. hen trigger mode is set with Free Run mode or when Exposure is set with Program Sets strobe offset Sets the polarity of strobe output signal eee Page 72 of 89 RA14 121 005 rks VN series 10 3 3 ANALOG Tab ANALOG tab allows the user to set gain and offset settings of the image All scroll bars are controllable with the mouse wheel scroll Vieworks VN 11MC M6 File Start Up Tool About view ANALOG FFC Stage v2 1 1 Analog Gain 4 425 595 765 899 12 18 24 29 dB Adjustment Right Top Left Bottom Right Bottom Ea Auto Adjustment Analog Offset 0 VN 11MC M6 46 20 Figure 10 8 ANALOG Tab Sets gain value of each channel Auto Adjustment will be activated after e Analog Gain checking Adjustment and compensates Tap differences automatically Analog Offset Sets offset values of both channels EE M M M Page 73 of 89 RA14 121 005 worl VN series 10 3 4 LUT Tab LUT tab allows the user to download LUT data See Appendix B for more details on LUT Download Vieworks VN 11MC M6 File Start Up Tool About view MoDE ExP LUT 1023 2047 3071 4095 Camera Download Upload Upload to PC VN 11MC M6 46 20 Figure 10 9 LUT Tab e Graph Loads LUT data from the user comput
49. in adjustment function Analog Offset adjustment function Look Up Table e Defective Pixel correction e FlatField Correction e Test Image e Horizontal Flip Only available on VN 11MC and VN 16MC Image Invert e RS 644 Serial Communication e Temperature Monitor e Field Upgrade Base Camera Link e Nanometer Pixel Shift 4 Tap output channel mode or 4 tap mentioned in this document is only supported on VN 8MC Page 9 of 89 RA14 121 005 W VN series 5 2 Technical Specification VN Series Active Image H gt lt V VN 8M 3296 2472 VN 11M 4008 x 2672 Sensor Type Kodak KAI 08050 Kodak KAI 11002 Pixel Size 5 5 um 5 5 un 9 0 um 9 0 Sensor Output 1 2 or 4 Tap Output 1 or 2 Tap Output Video Output 8 10 12 bits 1 or 2 Tap Camera Interface Camera Link Base Global Shutter Electronic Shutter x1 16 3 fps 8 1 M 6 4 fps 10 7 M 1 Shot 8296 X 2472 4008 X 2672 Max Frame x4 4 1 fps 32 6 M 1 6 fps 42 8 M Rate at 4 Shot 6592 X 4944 8016 X 5344 Resolution x9 1 8 fps 73 3 M 0 7 fps 96 4 M 9 Shot 9888 X 7416 12024 X 8016 Pixel Clock 40 80 MHz 30 40 MHz Exposure Time 1 100000 sec 7 sec 10 us step 1 7000 sec 7 sec 10 us step Partial Scan Max Speed 84 fps at 300 Lines 27 fps at 334 Lines Gamma Correction User defined LUT Look Up Table Black Offset Adjustable
50. in the lower right corner is read out In dual channel image data is read out of Channel A and B simultaneously in interleaved order In quadrant channel VN 8MC image data which is transmitted from Video A B C and D simultaneously is read out of the top half and the bottom half in interleaved order Figure 8 15 Video AFEA gt gt Video AFEB b i CCD SR CameraLink Sensor Interface Video C AFEC gt Reorder gt B Video D AFED Figure 8 14 Image Data Flow 00 1 Channel Output gt Camera Link BASE 1 1 Pixel Clock Cycle Vertical P 40 MHz H V D A 2 Channel Output Camera Link BASE 2 Tap 1 Pixel Clock Cycle Vertical 40 MHz H V GDI 4 Channel Output Camera Link BASE 2 lt gt 1 Pixel Clock Cycle 80 MHz Vertical H V Figure 8 15 Data Output a Page 37 of 89 RA14 121 005 wW works VN series 8 5 Gain and Offset The camera has one Analog Signal Processor or Analog Front End abbreviated to AFE for each channel This AFE consists of Correlated double Sampler CDS Variable Gain Amplifier VGA Black Level Clamp and 12 bit A D converter AFE has register for Gain and Offset app
51. input circuit of the 4 pin connector Transmitted trigger signal is applied to the internal circuit through a photo coupler Minimum trigger width that can be recognized by the camera is 1 us If transmitted trigger signal is less than 1 4S the camera will ignore the trigger signal External trigger circuit example is shown below USER Camera 3300 TRIGGER IN TTL Driver n 3 PHOTO COUPLER Figure 7 5 Trigger Input Schematic 7 6 Strobe Output Circuit The strobe output signal is 3 3 V output level of a TTL Driver IC The pulse width of signal is synchronized with the exposure signal shutter of the camera USER Camera Strobe Out Strobe D 470 lt lt Strobe Out i TTL Driver a HP Y Figure 7 6 Strobe Output Schematic Page 25 of 89 RA14 121 005 orks VN series 8 Camera Features 8 1 Area Of Interest AOI The Area of Interest AOI feature allows you to specify a portion of the sensor array You can acquire only the frame data from the specified portion of the sensor array while preserving the same quality as you acquire a frame from the entire sensor array AOI is determined as the overlapping area of two areas when designating start point and end point in horizontal and vertical direction as shown in the figure below Start point and End point mean the starting and end of the AOI According to chara
52. l cause CAUTION damages to the device x Vieworks Co Ltd does NOT provide power supplies with the devices EE M C Page 6 of 89 RA14 121 005 fe WA works VN series 2 Warranty For information about the warranty please contact your local dealer or factory representative 3 Compliance amp Certifications 3 1 FCC Declaration This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at own expenses 3 2 CE DoC EMC Directive 2004 108 EC Testing Standard EN 55022 2006 1 2007 EN 55024 1998 1 2001 2 2003 Class A 3 2 1 KCC Statement Type Description Class A This device obtained EMC registration for office use Class A and may Broadcasting Communication be used in places other than home Sellers and or users need to take Device for Offic
53. lication inside and can change Gain and Offset value by entering proper value in the register Gain can be set between 0 899 The relationship between setting value and actual Gain 98 is as follows Gain dB Setting value x 0 035 dB Gain Curve 36 30 24 18 Gain dB 12 0 100 200 300 400 500 600 700 800 Register Value Figure 8 16 Register Setting for Gain Value Offset can be set between 0 255 LSB eee Page 38 of 89 RA14 121 005 v vieworks VN series 8 6 LUT LUT Lookup Table converts original image value to certain level value Since it is mapped one to one for each level value 12 bit output can be connected to 12 bit input LUT is in the form of table that has 4096 entries between 0 4095 and provides 2 non volatile spaces for LUT data storage User can select whether to apply LUT or not and where to apply the LUT using sls command See Appendix B for how to download LUT data in the camera 4096 entry gt Lookup Table 12 bit Data Figure 8 17 LUT Block LUT 4000 3500 3000 e Output Level 0 500 1000 1500 2000 2500 3000 3500 4000 Input Level Figure 8 18 LUT at Gamma 0 5 Page 39 of 89 RA14 121 005 rks VN series 8 7 Defective Pixel Correction The CCD may have Defect Pixels which cannot properly react to the right Correction is required since it may deteriorate the qualit
54. lor resolution tripled vertical and horizontal resolution 8 12 2 2 Operation of Sequence Mode In 1 6 sequence modes where the position of the stage has been predefined the sequence operates by applying only trigger signal The default position of the stage is 0 0 and the following position will vary depending on the sequence mode Once one cycle of operation has completed the stage position returns to 0 0 When the camera is running in Free Run mode the sequence mode will be deactivated because the sequence mode is synchronized only with external Trigger or CC1 Trigger Refer to Appendix D for the position settings according to sequence modes None Manual mode is useful when the sequence and stage position need to be configured manually The user can configure the stage position using snp serial command When the user controls the stage using serial command manually it takes about 16 ms from sending the command to shifting the stage This period includes latency of serial communication and shifting time of the stage Actually it takes 8 ms for the stage to be shifted To operate correctly in None Manual mode the user needs to calculate the trigger timing considering frame transfer and stage setup time and then applies the trigger signal to the camera The minimum trigger period can be obtained as shown in the following expression e When sum of exposure time and stage setup time is shorter than frame transfer time Frame T
55. mera will return in hex value Command 67 65 74 OD get lt r gt Response 67 65 74 OD OA 31 30 30 OD OA 3l get lt r gt lt n gt 100 lt r gt lt n gt gt echo response prompt If execution of command is not completed Error lt Error Code gt lt r gt lt n gt Prompt After sending response Camera sends prompt always gt is used as prompt Types of Error Code 0x80000481 values of parameter not valid 0x80000482 number of parameter is not matched 0x80000484 command that does not exist 0x80000486 no execution right EE Page 59 of 89 RA14 121 005 14 VN series 9 2 Actual Time Applied for Commands When you execute a command the actual or real time applied for the command varies depending on the type of the command and operating status of the camera All commands except Set Exposure Time set command are applied to change the settings as illustrated below on the rising edge of a VCCD signal before starting readout process When you execute a set command the exposure time setting will be changed at the starting of the exposure In the Trigger mode you must execute commands before applying trigger signals in order to synchronize image outputs with the commands In the Free Run mode even if you execute a command you ma
56. ng to sequence modes VN series Ratio for 1 Pixel Ora 4 Shot Mono 9 Shot Mono 4 Shot Bayer Color 16 Shot Bayer Color 36 Shot Bayer Color iod X Y X Y X Y X Y X Y 1 0 0 0 0 0 0 0 0 0 0 2 1 2 0 1 3 0 1 1 0 1 3 0 1 2 2 3 0 0 1 0 1 0 1 4 1 2 1 2 0 1 3 1 1 1 1 1 1 5 1 3 1 3 1 2 0 1 3 0 6 2 3 1 3 3 2 0 4 3 0 7 0 2 3 1 2 1 1 3 1 8 1 3 2 3 3 2 1 4 3 1 9 2 3 2 3 0 1 2 2 3 0 10 1 1 2 5 3 0 11 0 3 2 2 3 1 12 3 2 5 3 1 13 1 2 1 2 0 1 3 14 3 2 1 2 1 1 3 15 1 2 3 2 0 4 3 16 3 2 3 2 1 4 3 17 1 3 1 3 18 4 3 1 3 19 1 3 4 3 20 4 3 4 3 21 5 2 3 1 3 22 5 3 1 3 23 2 3 4 3 24 5 5 3 4 3 25 0 2 3 26 2 3 27 3 0 5 3 28 1 5 3 29 1 3 2 3 30 4 3 2 3 31 1 3 5 3 32 4 3 5 3 33 2 3 2 3 34 5 3 2 3 35 2 3 5 3 36 5 3 5 3 EE 44 _______________________________________________4 Page 88 of 89 RA14 121 005 Vieworks Co Ltd 601 610 Suntechcity 307 2 Sangdaewon dong Jungwon gu Seongnam
57. nload Vieworks VN 11MC M6 File Start Up Tool About VIEW MODE EXP ANALOG LUT FFC stage Graph Load File Save File Gamma 0 50 J LUT off 1023 2047 3071 4095 Camera LUT Download Upload Gun Download 63 Cancel gt Page 81 of 89 RA14 121 005 orks VN series 3 Once the download has been completed Download completed message will appear at the bottom of the window Vieworks VN 11MC M6 File Start Up Tool About view MODE EXP ANALOG LUT FFC Stage V2 1 11 Graph Load File 1023 2047 3071 4095 Camera LUT Download Upload Gun Our Upload to PC Download completed 47 30 amm B 2 CSVFile Download 1 Create the LUT table in Microsoft Excel format as shown in the left picture below and save as a CSV file csv The picture in the right shows the created file opened in Notepad Once the file has been created completely change the csv file extension to lut The following rules need to be applied when creating the file e Lines beginning with or are treated as notes e Based on the input values make sure to record from 0 to 4095 Microsoft Excel lut csv P lut csy EAE Bae MA 8720 8 3 comment line comment line input output comment line comment line input
58. ode In Double Exposure mode 2 images are obtained with 1 trigger input When trigger input is entered in this mode the camera starts Readout after passing through exposure process according to exposure setting as in Standard mode At this time exposure of second image starts with Readout When Readout is completed the camera performs the second Readout Since it does not generate shutter signal during Readout of the 1st image the interval between completion of 1st exposure and starting of 2nd exposure is as short as several S several decades 4 5 TRIGGER SHUTTER Exposur for Exposure for Image 1 Image 2 EXPOSURE VCCD FVAL N LOS A A Image 1 Image 2 READOUT STROBE Figure 8 10 Double Exposure Trigger Mode Page 33 of 89 RA14 121 005 Ww works VN series 8 3 1 4 Fast Mode Fast Mode is used when interval of trigger input is faster and more continuous than in Standard Mode Its difference from Standard Mode is that while Readout starts in exposure time as set earlier when trigger input occurs in Standard Mode while Readout immediately starts after trigger input in Fast Mode And Interval between triggers becomes the exposure time of image since it does not generate shutter signal during Readout TRIGGER SHUTTER Exposure N Exposure N 1 Exposure N 2 EXPOSURE
59. pixel resolution if the pixel shifting is applied Otherwise the resolution of output image is 4 008 x 2 672 11 Megapixel without the pixel shifting 7 2 9 Shot Mono at 10026 1 Shot Mono at 300 Figure 8 23 Standard left vs 9 Shot Pixel Shifting right ER E E E M x RA14 121 005 Page 45 of 89 VN series Another benefit of pixel shifting technology compared to fixed CCDs is acquiring True Color image Currently CCD cameras use Bayer Interpolation to produce color images so that unwanted artifacts can occur such as color moir or false color pixels Using pixel shifting no color artifacts or aliasing will occur and the color resolution is optimized Original Image Bayer 4 Shot Shifting Image LEM 36 Shot Shifting Image 16 Shot Shifting Image Figure 8 24 Standard Image Color vs Shifting Image Color Use VN Series camera where subjects are fixed and lighting environment is CAUTION constant Page 46 of 89 RA14 121 005 W 8 12 2 Sequence Mode VN series 8 12 2 1 Components of Sequence Mode Sequence Mode can be set with following options 0 None Manual e 1 4 Shot Mono Doubled vertical and horizontal resolution e 2 9 Shot Mono Tripled vertical and horizontal resolution 3 4 Shot Bayer Color Full color resolution e 4 16 Shot Bayer Color Full color resolution doubled vertical and horizontal resolution 5 36 Shot Bayer Color Full co
60. ransfer Time gt Exposure Time Stage Setup Time Minimum Trigger Period Frame Transfer Time e When sum of exposure time and stage setup time is longer than frame transfer time Frame Transfer Time lt Exposure Time Stage Setup Time Minimum Trigger Period Exposure Time Stage Setup Time eae Page 47 of 89 RA14 121 005 vorks VN series External or Internal Trigger Input 1 Shot 2 Shot Image N ReadOut Figure 8 25 Sequence Mode Timing Diagram Bc S ition Shifti Exposure Stage Position Shifting External Trigger Input Position Shifting By Serial Port 1 Shot 2 Shot Time 16 ms N Shot Figure 8 26 Manual Mode Timing Diagram EE MM M M Q Page 48 of 89 RA14 121 005 orks VN series 8 12 2 3 Multi Shot Mode When Multi Shot Mode is activated the sequence operation that is followed by the first trigger input will be performed automatically by internal trigger Internal trigger is generated by calculating the optimized timing reflecting trigger delay and stage setup time Trigger input from external ports will be ignored until completing the readout of the last image Multi Shot Enable 1 trigger N snap Sequence is performed in sequence with one trigger input Multi Shot Disable 1 trigger 1 snap Exposure synchronizes with trigger input and N times trig
61. si Gyeonggi do 462 736 South Korea Tel 82 70 7011 6161 Fax 82 31 737 4936 http machinevision vieworks com vieworks vieworks com
62. tage Control Stage Reset Stage Check VN LIMC M6 46 20 Figure 10 12 Stage Tab Selects Sequence Mode Deactivated in Free Run Mode ex ssm 0 None Manual ssm 1 4 Shot Mono Sets the stage position of X Horizontal direction applicable range 0 15 000nm Sets the stage position of Y Vertical direction applicable range 0 15 000nm Sets Multi Shot Mode 1 trigger N snap solution 1 trigger 1 snap solution 0 lt Disable sme1 lt Enable Sets the reset polarity using CC2 Initializes the stage position and adjusts zero point of displacement sensor Performs a self test of the stage Page 77 of 89 VN series RA14 121 005 vieworks VN series AppendixA Defective Pixel Map Download 1 Create the Defective Pixel Map data in Microsoft Excel format as shown in the left picture below and save as a CSV file csv The picture in the right shows the created Excel file opened in Notepad The following rules need to be applied when creating the file e Lines beginning with or are treated as notes e Each row is produced in the order of the horizontal and vertical coordinate values e input sequence of pixel is irrelevant E3 Microsoft Excel defectData c P defectDataa csv Notepad Hz i d i ERE EEA File Edit Format View Help i P zi 4 24 i 92 lt gt x line L22 r3 comment line Sl Em m Eas H
63. ted image Negative Page 55 of 89 RA14 121 005 14 works VN series 8 17 Strobe Strobe signal is used to synchronize the external light source with camera or to measure the exposure time applied to current camera Pulse width of Strobe signal is from the generating point of Shutter signal to the starting point of Readout which coincides with exposure time of camera 8 17 1 Strobe Offset Strobe Offset value indicates when Strobe signal is to be sent after Shutter signal Value can be set in the unit of 1 4S using sso command Only pulse location moves without change in pulse width of Strobe signal FVAL _ SHUTTER EXPOSURE STROBE Figure 8 37 Strobe signal in Free Run TRIGGER CC1 or EXT SHUTTER EXPOSURE FVAL _ Ivi repens T SS STROBE Offset Figure 8 38 Strobe signal in Trigger mode Page 56 of 89 RA14 121 005 Ww eworks VN series 8 17 2 Strobe Polarity Polarity can be set for Strobe signal output ssp command is used to set the polarity of Strobe signal 8 18 Field Upgrade The Camera provides the function to upgrade Firmware and FGPA logic through Camera Link interface rather than disassemble the camera in the field See Appendix C for details on how to upgrade eee Page 57 of 89 RA14 121 005 orks VN series 9 Camera Configuration 9 1 Se
64. tup command All setup in camera is carried out RS 644 serial interface of camera link With the following communication setting it can be controlled using terminal or direct control at user application e Baud Rate 115200 bps Data Bit 8 bit e Parity Bit No Parity Stop bit 1 stop bit Flow control None All types of camera setting commands except Firmware Download requiring massive data transmission are delivered in ASCII command type All camera setup commands start from user application and the camera returns the response OK Error or information for command The camera informs the completion of command execution through response with write command while the camera returns the error response or information with read command Command format command lt parameterl gt parameter2 Nr 0 2 parameters follow the command Response If execution of write command is successfully completed OK Nr Mn ex Write command In response to a set 100 command the camera will return in hex value Command 73 65 74 20 31 30 30 OD set 100 lt r gt Response 73 65 74 20 31 30 30 OD OA 4F 4B OD OA 3E Set 100 lt r gt lt n gt OK lt r gt lt n gt gt Echo result prompt ene Page 58 of 89 RA14 121 005 orks VN series If execution of read command is successfully completed lt parameterl gt Nr Mn ex Read command In response to a get command the ca
65. ult image in comparison with standard output image 1 shot result image Combining the images should be done on the PC side with software processing Please contact local dealer or factory representative for the details on the sample software combining the images 1 2 Pixel Shift CCD Pixel Array Output Image A ks Object Image A m x 4 Shot Result Image bk B op gang 1 Shot Result Image Figure 8 22 1 2 Comparison of resolution between Pixel Shift camera and standard camera camera contains components sensitive to heat shock or vibration Handle this camera with the maximum care Operate the camera at temperature between 10 C and 40 e to a temperature difference between the product and environment moisture may CAUTION condense inside or outside the camera This moisture condensation may cause a malfunction of the camera or shorten the product life cycle If some condensation occurs turn off the camera and wait about an hour for the moisture to evaporate eee Page 44 of 89 RA14 121 005 14 vieworks VN series 8 12 1 Pixel Shifting and True Color resolution One benefit of pixel shifting technology in comparison to fixed sensor cameras is its ability to acquire more than 4 times higher resolution than the fixed one The below figure shows standard output image and x9 shifting output image In case of VN 11MC camera model the output image will have 12 024 x 8 016 99 Mega
66. y acquire up to two images without applying the command This is true because it is hard to verify the current operating status of the camera in the Free Run mode Command Command set Command Command Executed Recognized Ack OK Executed Recognized Ack OK 1 1 1 P Command a Exposure Time Setting Command Applied Applied Exposure Exposure N 1 Exposure VCCD Image Image 1 READOUT Figure 9 1 Actual Time Applied for Commands Page 60 of 89 RA14 121 005 14 wor VN series 9 3 Parameter Storage Space The camera has 3 non volatile storage space used for parameter storage and 1 volatile work space that is applied to actual camera operation 3 storage space is divided into Factory Space that contain basic value at the factory and 2 user space User Space 1 User Space 2 that can save parameter value temporarily set by the user User space can be read and written but Factory space can be read only At camera booting setting value in one of 3 storage spaces is copied to work space according to Config Initialization value and value of the space is used for camera setting Since values in work space is valid only while the power is on it should be copied to user space 1 or user space 2 using sct command Volatile Non volatile Memory Memory RAM ROM
67. y of output image Defect Pixel information of CCD used for each camera is entered into the camera during the manufacturing process If you want to add Defect Pixel information it is required to enter coordinate of new Defect Pixel into the camera For more information refer to Appendix sdc command is used to set whether to use Defective Pixel Correction feature 8 7 1 Correction Method Correction value of a Defect Pixel is calculated based on valid pixel value adjacent in the same line L3 L2 L1 R1 R2 R3 Current Pixel Figure 8 19 Location of Defect Pixel to be corrected If Current Pixel is a Defect Pixel as shown in the above figure correction value of this pixel is obtained as shown in the following table depending on whether surrounding pixel is Defect Pixel or not Adjacent Defect Pixel s Correction value of Current Pixel None 11 21 2 L1 R1 L1 L1 R1 L2 R2 2 L1 R1 R2 L2 L2 L1 R1 R2 L2 L1 R1 R2 L3 R3 2 L2 L1 R1 R2 R3 L3 L3 L2 L1 R1 R2 R3 Table 8 3 Calculation of Defect Pixel Correction Value a Page 40 of 89 RA14 121 005 VN series 8 8 Flat Field Correction The Flat Field Correction feature improves the image uniformity when you acquire a non uniformity image due to external conditions The Flat Field Correction feature can be summarized by the following equation f corrected image original image

User's manual - Stemmer Imaging

Contents

Download Pdf Manuals

Related Search

Related Contents