Home

User Manual

1. 14 6 1 eR TEM T 14 6 2 Precaution to center the image 15 6 3 Precaution about blurring compared to center 2 2 15 6 4 Installing the Configurator RENTE E 15 7 tn 16 7 1 General 16 7 2 Camera 16 7 3 Power Input m 18 7 4 Control Receptacle M 19 7 5 Trigger Input Circuit 20 7 6 Strobe Qutput Cr O s 20 Cam ra FO ARCS oss e 21 8 1 Area Of Interest AON D 21 8 2 sime nR 24 8 3 iim e eter 25 8 31 Tigger INPUt E 25 8 4 Channel 8888 31 8 5 qoe 33 8 6 34 3 of 85 RA14 134 015 VNP series 8 7 Defective Pixel 35 871 or eerie M 35 8 8 rige o INTR E m LM 36 8 9 Temperature Monitor scat eae
2. 65 10 3 TaD HO 66 10 3 1 66 10 3 2 MODE EXP labs tortor 67 10 3 3 ANALOG 68 10 3 4 TAD 69 10 3 5 FFO TaD c 70 10 3 6 TEE 71 10 3 7 73 4 of 85 RA14 134 015 VNP series Appendix A Defective Pixel Map 11 1 74 Appendix B LUT Download HU DU MUCH 77 1 Gamma Graph Download Eam 77 2 CSV File Download 78 Appendix C Field 80 C 1 PM I RN 80 C 2 dato e ee 83 Appendix D Position settings according to sequence modes 84 y M 5 of 85 RA14 1
3. 15 of 85 RA14 134 015 W eworks VNP 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 e 4 pin Control Receptacle inputs external trigger signal and outputs strobe 2 6 pin Power Input Receptacle supplies power to the camera e 3 26 pin Camera Link Connector controls video data transmission and the camera 4 Status LED displays power status and operation mode Figure 7 1 Series Back Panel T 2 Camera Link Connector 13 1 26 14 Figure 7 2 Camera Link Connector 16 of 85 RA14 134 015 y Camera Link connector complies with Camera Link Standard and the following list shows the pin configuration of the connector VNP series PAIR List Pin Signal Name Type Description 1 Ground Ground Cable Shield PAIR 0 14 Ground Ground Cable Shield PARA 2 0 LVDS Out Camera Link Transmitter 15 4X0 LVDS Out Camera Link Transmitter 3 1 LVDS Out Camera Link Transmitter PAIR 2 16 4X1 LVDS Out Camera Link Transmitter 4 X2 LVDS Out Camera Link Transmitter PAIR 3 17 4X2 LVDS Out Camera Link Transmitter 5 X3 LVDS Out Camera Link Transmitter PAIR 4 18 4X3 LVDS Out Camera Link Transmitter PAIRS 6 XCLK L
4. 38 8 10 Status LEE C Y 38 8 11 tamer cnet 39 8 11 1 Pixel Shifting and True Color resolution 40 8 11 2 ifte Meme 42 8 12 UT PTT 46 8 13 5 Fe Le ere 47 8 14 Honzontal ooo 49 8 15 Image HAVENT rr 50 8 16 jos 51 8 16 1 otrobe OMSEL 1 8 16 2 52 8 17 Field Upgrade 52 9 Camera 53 9 1 Setup command o ee T 53 9 2 Actual Time Applied for 55 9 3 Parameter Storage Space pointe pera 56 9 4 Command LISI me 57 10 Configurator GUY 61 10 1 MEAE ge DUE 61 10 2 EE 62 10 2 1 62 10 2 2 sicui M ER 63 10 2 3 me 64 10 2 4
5. M 9 62 of 85 RA14 134 015 W vieworks VNP series 10 2 2 Start Up You can select the camera setting values to load when the camera is turned on ORIS E 29 Fie Start Up Factory Setting User 1 Setting User 2 Setting O Binning 2 x4 Test image None O Test 1 E OTest 2 O Test 3 Channel LUT Oum id Data Bit _ O ser O10BIT 1257 4 2 lA he Image Processing Fiat Cl Detect invert Figure 10 3 Start Up Menu e Factory Setting e User Setting e User Setting Loads the camera setting values from Factory Space Loads the camera setting values from User1 Space Loads the camera setting values from User2 Space 63 85 RA14 134 015 14 vieworks VNP series 10 2 3 Tool 29 EIE File Start Up About FFC Stage Mode Terminal es gt 6575 Color Calibration e Factory Setting O Binning High Speed x2 4 Test image None O Testi Ej O Test 2 Orest 3 _ Image Processing ij Fist Field Corr 1 VNP 29MC C Figure 10 4 Tool Menu e Refresh Loads and displays the current camera setting values on Configurator e Terminal Displays user c
6. 3 4 Search and select the created file and click Open Look in Upgrade lt ce My Recent Documents 9 Desktop My Documents My Network File name defect csv Places Files of type csv files gt 5 Configurator starts downloading defective pixel map data to the camera and downloading status is displayed at the bottom of the window w Vieworks VNP 29MC C Start Up Tool About VIEW MODEEXP ANALOG LUT FFC Stage TEC we OBmig ex Coxd Testlmage O Test 1 O Test 2 O est 3 Hv qe PTT Data Bt Channel mage Processing u gt 2 Osm 011 qo Flet Field Corr 2T 1 Detect 1257 2 0 75 of 85 RA14 134 015 vieworks 5 6 W VNP series Once the download has been completed the saving process will begin During the saving process make sure not to disconnect the power cord Vieworks VNP 29MC C DER File Start Up Tool About VIEW MoDEEXP ANALOG LUT FFC ao meg O Binning Test _ O Test 2 E O Test 3 4383 a Bit Channel r LUT image Processing SOS 5 135 Ole Oot Fiet Field 2T O2Te Coet cor Invert Q128T
7. 1 Channel Output gt Camera Link BASE 1 Tap 1 Pixel Clock Cycle Vertical 40 MHz H V 03 2 Channel Output 1 Camera Link BASE 2 1 Pixel Clock Cycle Vertical 40 MHz H V GDI 4 Channel Output Camera Link BASE 2 Tap gt 1 Pixel Clock Cycle 80 MHz Vertical BB m H V Figure 8 15 Data Output EE M 32 of 85 RA14 134 015 W VNP 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 application 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 dB 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 The available range of offset values is 0 255 LSB FEE 33 of 85 RA14 134 015 vieworks VNP series 8 6 LUT LUT Lo
8. Vieworks Co Ltd 601 610 Suntechcity 307 2 Sangdaewon dong Jungwon gu Seongnam si Gyeonggi do 462 736 South Korea Tel 82 70 7011 6161 Fax 82 31 737 4936 machinevision vieworks com vieworks vieworks com
9. Exposure is set with Program Strobe Offset Sets strobe offset Strobe Polarity Sets the polarity of the strobe output signal FEE 67 of 85 RA14 134 015 eworks VNP series 10 3 3 ANALOG Tab ANALOG tab allows you to set gain and offset settings of the image All scroll bars are controllable with the mouse wheel scroll Vieworks VNP 29MC C File Start Up Tool About n VIEW MODE XP ANALOG LUT Stage TEC Analog Gain ss L v 580 899 24 32 dB Right Left Bottom Right Bottom Fine Adjustment Auto Adjustment Analog Offset 2 a old 0 127 255 Adjustment Left Top Right Top Left Bottom Right Bottom Ls Ck Or LS VNP 29MC C 35 8 C IC v2 29 Figure 10 8 ANALOG Tab e Analog Gain Sets gain value of each channel Checking the Fine Adjustment checkbox will activate the Auto Adjustment button Then you can compensate Tap differences automatically by pressing the button e Analog Offset Sets offset values for each channel 68 of 85 RA14 134 015 OI VNP series 10 3 4 LUT Tab LUT tab allows you to download LUT data For more information about LUT download refer to Appendix B wj Vieworks VNP 29MC C File Start Up Tool About oo VIEW MODEIEXP ANALOG LUT Stage TEC Graph Load File Save File Gamma 1 OL
10. Full color resolution 2 3 4 16 Shot Bayer Color Full color resolution doubled vertical and horizontal resolution 5 96 Shot Bayer Color Full color resolution tripled vertical and horizontal resolution 8 11 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 the 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 You can configure the stage position using snp serial command When you control 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 you need to calculate the trigger timing considering frame transfer and stage setup time and then apply the trigger signal to the camera The minimum
11. 134 015 V 3 ieworks 14 VNP series 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 w Vieworks 29 File Start Up Tool About _ Test Image None O Test 1 E O Test 2 O Test 3 ECT Lhe Data Bt Channel ph Image Processing OT Flet Field Corr O2 Tap C Detect Invert 12BIT 4 Tap 2 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 VNP 29MC C File Start Up Tool About Test Image S None Ej O Test 2 ARTS he et Data Bt LUT Image Processing Osa Ole Flat Field Corr Piven O2 eu C Detect Cinvert 128T 2 81 of 85 RA14 134 015 W vieworks VNP series 5 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 About gt Camera Info to confirm the MCU version Viewo
12. FEE 9 12 of 85 RA14 134 015 14 vieworks VNP series 5 5 Mechanical Specification The camera s dimensions in millimeters are as shown in the following figure 75 4 Mounting Screw Tap M5 DP8 or ande ths camera wth e ore pests tetman tinc 90 0 Vieworks A CAUTION The camen cota aronerts t ja 187 120 0 32 _ 47 42 Mechanical FB Image Plane 76 0 81 0 00 37 2 87 0 IC TE 4 Mounting Screw Tap M5 DP8 5 4 Mounting Screw Tap M5 8 Front View Side View Back View Figure 5 3 VNP Camera Mechanical Dimension F Mount ru j JZ o 13 of 85 RA14 134 015 W eworks VNP 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
13. Magnification IF gt IR M IF lt gt lt gt 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 37 of 85 RA14 134 015 W eworks VNP series 8 9 Temperature Monitor A sensor chip is embedded in the camera to monitor the internal temperature gct command is used to check the temperature of camera 8 10 Status LED A green LED is installed on the back panel of the camera to inform the operation status of the camera LED status and corresponding camera status are as follows e Continuous ON operates in the Free Run mode e Repeat ON for 0 5 seconds OFF for 0 5 seconds operates in the 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 the Trigger mode and outputs Test Image M 38 of 85 RA14 134 015 W eworks VNP series 8 11 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 distan
14. Oa tap 2 Wait v2 2 9 Once all the processes have been completed Download completed message will appear at the bottom of the window Vieworks VNP 29MC C File Start Up Tool About VIEW ANALOG LUT FFC Stage Mode Full 6575 um pa efe 6575 O Binning I x2 Ox Test Image O Test 1 Orest 2 Data Bit Channel Image Processing E e Gor Fist Field 2T Oen ap PS Cl Detect Corr EEPE Q128T _ 2 Download completed ssec 29 76 of 85 RA14 134 015 W VNP series Appendix B 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 CSV file csv and then downloading the data B 1 Gamma Graph Download 1 Setadesired gamma value on LUT tab and click Apply Vieworks VNP 29MC C File Start Up Tool About VIEW MODEEXP ANALOG LUT Stage TEC 4095 OLUT2 1023 2047 Camera LUT Download Upload VNP 29MC C 6 4 Ic vzz s 2 Select LUT1 as a location to store data and click Download v Vieworks VNP 29MC C File Start Up Tool About VIEW ANALOG LUT Stage 4095 Graph Load File Save
15. T 1 channel 172 3 T 2 channel 90 125 5 T 4 channel 90 125 5 TRF 6 8 us Vsize 4384 Lines Minimum Vertical Size 500 Lines Table 7 1 Timing Value for VNP 29MC 2 a 22 of 85 RA14 134 015 W vieworks VNP series The following figure shows frame rate depending on VAOI changes VNP 29MC 500 888 1277 1665 2054 2442 2830 3219 3607 3996 4384 AOI Size Figure 8 2 Frame Rate by VAOI changes EE 23 of 85 RA14 134 015 eworks VNP series 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 ratio imaging The below figure shows application of 2 x 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 OBD JESL TES Figure 8 3 2 2Binning Figure 8 4 4 4Binning Even if the binning is performed on the color camera the resulting image will be monochrome CAUTION 24 of 85 RA14 134 015 e 8 3 Trigger VNP series 8 3 1 Trigger Input Trigger mode of t
16. 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 connector on your Camera Link frame grabber Connect the plug of the power adaptor to the power input connector on the camera Plug the power adaptor into a working electrical outlet Verify all the cable connections are secure 6 1 Mount Plate e Mount Plate is provided as an optional item camera can be fixed without using this Mount Plate 14 of 85 RA14 134 015 6 2 Precaution to center the image sensor VNP series 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 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 Youcan download the latest Configurator at machinevision vieworks com e more information refer to your Grabber User Manual M
17. 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 for 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 L1 R1 2 L1 R1 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 7 3 Calculation of Defective Pixel Correction Value yy 35 of 85 RA14 134 015 VNP 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 evel lue of corrected image evel value of original image Black offset value Offset value of image after correction Level value of 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 actual environment and activating the Flat Field Generator The Flat Field Generator will standardize a series of images
18. 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 Transfer 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 Exposure Time Stage Setup Time Minimum Trigger Period Exposure Time Stage Setup Time a 42 of 85 RA14 134 015 works VNP series External or Internal Trigger Input i Oa 1 Shot 2 Shot S Image N Mahal _ ReadOut lt External Trigger Input Position A Shifting Serial Port Frame Transfer Time 1 Shot i Setup 2 Shot Time 16 ms N Shot Figure 8 26 Manual Mode Timing Diagram 43 of 85 RA14 134 015 eworks VNP series 8 11 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 Disa
19. 14 VIewOTKS VNP series 10 3 6 Stage Tab Before setting the stage you must set MODE EXP tab with the following values e Trigger Mode e Exposure e Source e Polarity lt 10 11 Vieworks 29 File Start Up Tool About DER Trigger Mode Exposure Source OFree Run Pulse Width 1 O Standard O Program Fast O Double Exposure Time 75 Strobe Offset Dus 100us Overlap Pulse Width CC1 Active High 71 of 85 MODEIEXP ANALOG LUT Stage TEC Polarity Active Low Active High 30000 30 00 ms Strobe Polarity O Active Low Active High gt gt stm4 OK 37 ms a4 29 MODE EXP settings for Nano Stage Control RA14 134 015 eworks VNP series Stage tab allows you to set Sequence Mode and Nano Stage wj Vieworks VNP 29MC C File Start Up Tool About VIEN MODEIEXP ANALOG LUT FFC Stage TEC Sequence Mode Nano Stage Position nm None X O nm Setting Range 4 Shot Mono ol nm 0 15000 gt v O9 Shot Mono O 4 Shot Color Multi Shot Mode 2 Reset Polarity O16 Shot Color Disable Active Low O 36 Shot Color Enable Active High Stage Control Stage Reset Stage Check YNP 29MC C 35 8 C 29 Figure 10 12
20. 34 015 VNP series 1 Precautions General CAUTION CAUTION Power Supply CAUTION Do not drop damage disassemble repair or alter the device Do not let children touch the device without supervision Do not use the device for any other purpose then specified Contact your nearest distributor in case of trouble or problem Do not install the device in a place subject to direct sun light humidity dust or soot Do not place magnets near the product Do not place the device next to heating equipments Be careful not to let liquid like water drinks or chemicals leak inside the device Clean the device often to remove dust on it In clearing do not splash water on the device but wipe it out with smooth cloth or towel Applying incorrect power can damage the camera If the voltage applied to the camera is greater or less than the camera s nominal voltage 12V DC 10 voltage over of output current the camera may be damaged or operate erratically Please refer to 5 2 Specifications for the camera s nominal voltage Vieworks Co Ltd does NOT provide power supplies with the devices 2 Warranty Do not open the housing of the camera The warranty becomes void if the housing is opened For information about the warranty please contact your local dealer or factory representative 6 o
21. 4 4 by 4 binning 0 Off Set Test Image sti 0111213 OK 1 2 Fixed Pattern Image Get Test Image gti 0 1 2 3 3 Moving Pattern Image 8 8 Bit Output Set Data Bit sdb 8 10 12 OK 10 10 Bit Output Get Data Bit gdb 8 10 12 12 12 Bit Output 0 Off Set LUT Select sls 0 1 2 OK 1 LUT1 Get LUT Select 915 0 1 2 2 LUT2 Set Asynchronous Reset sar 0 1 OK 0 Inactivate Asynchronous Reset Get Asynchronous Reset gar 011 1 Activate Asynchronous Reset 1 1 Channel Mode Set Channel Mode scm 124 OK 2 2 Channel Mode Get Channel Mode 1 2 4 4 4 Channel Mode Set Flat Field Correction sfc 01 OK 0 Off Get Flat Field Correction gfc 011 1 Active of Flat Field Correction Set Defect Correction 01 0 Off Get Defect Correction gdc 011 1 Active of Defect Correction Table 81 Command List 1 57 of 85 RA14 134 015 VNP series Val Command Syntax Description Returned Set Image Invert sii 01 OK 0 Off Get Image Invert gii 0 1 1 Active of Image Invert 0 Free Run Mode 1 Standard Mode Set Trigger Mode stm 0 1 2 3 4 OK 2 Fast Mode Get Trigger Mode gtm 0 1 2 3 4 3 Double Mode 4 Overlap Mode Set Exposure Source ses 011 OK 0 Program Exposure by camera Get Exposure Source ges 1 2 1 Pulse Width by trigger input signal Set Trigger Source sts 12 OK 1 CC1 Port Input Camera Link Get Trigger Source gts 1 2 2 External Input External control port
22. File 1023 204 Camera LUT Download Upload Owr Download Uploadto PC 72 v2 2 9 T1 of 85 RA14 134 015 VNP series 3 Oncethe download has been completed Download completed message will appear at the bottom of the window Vieworks VNP 29MC C File Start Up Tool About E VIEW MODE XP ANALOG LUT TEC 4095 Camera LUT Download Upload Gin 2 Download UploadtoPC Download completed 36 4 2 2 9 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 a Lines beginning with or are treated as notes 2 Based on the input values make sure to record from 0 to 4095 File Edit Format View Help Home Insert Page Layout Form comment line comment line Calibri YE input output aa 0 4095 1 4094 au 2 4093 Clipboard x Font 13 4092 m gt ins 1 comment line 2 comment line output 4095 4094 4093 4092 4091 input 0 78 of 85 RA14 134 015 VNP series 2 Click Load File on LUT tab w Vieworks
23. OI setting area is activated and AOI can be set by entering desired values If Binning is selected 2 4 option buttons are activated e Test Image Selects whether to apply test image and type of test image Data Bit Selects bit depth of data output e Channel Selects channel mode LUT Selects whether to apply LUT and type of LUT e Imaging Processing Sets Flat Field Correction Defect Correction or Image Invert features On or Off Ii p y y y mmm 66 of 85 RA14 134 015 eworks VNP series 10 3 2 MODE EXP Tab MODE EXP tab allows you to select trigger mode exposure time and strobe All scroll bars are controllable with the mouse wheel scroll Vieworks VNP 29MC C File Start Up Tool About view MODEEXP ANALOG LUT FFC Stage TEC Trigger Mode Exposure Source Polarity O Free Run Pulse Width occ Active Low Standard Program Active High O Fast Double Overlap Exposure Time 30000 30 00 ms Strobe Offset Strobe Polarity 2 O Active Low Active High Dus VNP 29MC C 3586 ic vzz Figure 10 7 MODE EXP Tab e Trigger Mode Selects trigger mode Once a mode has been selected related selections will be activated e Exposure Selects exposure source e Source Selects trigger source e Polarity Selects polarity of trigger input e Exposure Time Sets exposure time when trigger mode is set with the Free Run mode or when
24. 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 01 OK 0 Active Low Get Strobe Polarity gsp 0 1 1 Active High Set Analog Gain sag 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 234 n OK 4 AFE Channel of Right Bottom Image Get Gain Offset ggo 234 n n Analog Gain offset Parameter Setting Range 20 20 Auto Gain Offset ago OK Auto Generation Gain Offset Table 8 2 Command List 2 58 of 85 RA14 134 015 VNP series Command Syntax Description Returned Generate Flat Field Data gfd OK Operate Flat Field Generator Save Flat Field Data sfd OK Save Flat Field Data Load Flat Field Data Load Flat Field Data Set Flat Field Iteration sfi n OK n 2 n 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 Table 8 3 Comman
25. Stage Tab Sequence Mode Selects Sequence Mode Deactivated in the Free Run mode ex ssm 0 None Manual ssm 1 4 Shot Mono Nano Stage Position nm a X Sets the stage position of X Horizontal direction applicable range 0 15 000 nm Y Sets the stage position of Y Vertical direction applicable range 0 15 000 nm e Multi Shot Mode Sets Multi Shot Mode s Enable 1 trigger N snap solution Disable 1 trigger 1 snap solution ex sme0 Disable sme1 lt Enable e CC2 Reset Polarity Sets the reset polarity using CC2 Stage Reset Initializes the stage position and adjusts zero point of displacement sensor e Stage Check Performs a self test of the stage EE 72 of 85 RA14 134 015 14 eworks VNP series 10 3 7 TEC Tab TEC tab allows you to control target temperature of CCD Sensor 2 Vieworks VNP 29MC C File Start Up Tool About VIEW ANALOG LUT Stage TEC Peltier TEC Control CCD Target Temperature io Range 10 50 C CCD Temperature Get CCD Temperature 2742 Fan Control Pettier Control Qon Gott B VNP 29MC C a8 29 Figure 10 13 Tab e CCD Target Temperature Sets target temperature of CCD Sensor CCD Temperature Displays CCD Sensor temperature value e Fan Control Turns Fan On or Off e Pe
26. The subsequent processes identical to those of MCU upgrade 83 of 85 RA14 134 015 y VNP series Appendix D Position settings according to Ratio for 1 Pixel sequence modes ord 4 Shot Mono 9 Shot Mono 4 Shot Bayer Color 16 Shot Bayer Color 36 Shot Bayer Color 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 0 1 0 1 0 3 0 1 2 2 3 0 0 1 0 1 0 1 4 1 2 1 2 0 1 8 1 1 1 1 1 1 5 1 8 1 8 1 2 0 1 8 0 6 2 3 1 8 3 2 0 4 3 0 7 0 2 3 1 2 1 2 1 3 1 8 1 3 2 3 3 2 1 2 4 3 1 9 2 3 2 3 0 1 2 2 3 0 10 1 2 1 2 5 3 0 11 0 3 2 2 3 1 12 1 2 3 2 5 3 1 13 1 2 1 2 0 1 8 14 3 2 1 2 1 1 8 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 2 3 1 3 22 5 3 1 3 23 2 3 4 3 24 5 3 4 3 25 0 2 3 26 1 2 3 27 0 5 3 28 1 5 3 29 1 8 2 3 30 4 3 2 3 31 1 8 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 84 of 85 RA14 134 015
27. UT 2 Camera LUT Download Upload Gum Our Upload to PC VNP 29MC C 35 8 C 22 Figure 10 9 LUT Tab Graph Loads LUT data from the user computer or sets Gamma value to be applied while using Gamma curve e Camera LUT Download Upload Downloads LUT data to the camera from the user computer Download or uploads LUT data saved in the camera to the user computer Upload to PC r M9 69 of 85 RA14 134 015 eworks VNP series 10 3 5 FFC Tab FFC tab allows you to set Flat Field Correction settings All scroll bars are controllable with the mouse wheel scroll v Vieworks VNP 29MC C File Start Up Tool About VIE MODE EXP ANALOG LUT TEC FFC Data Flash Memory Number of acquisition frame aa 1 2 4 B FFC Data Download Upload FFC Offset Level 2047 4085 VNP 29MC C ass c 2 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 Save to Flash or loads the saved FF data Load from Flash e 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 offset Level Sets the offset value of the image after Flat Field Correction is applied maam 70 of 85 RA14 134 015
28. User Manual 22 VNP 29M0 5 vieworks VNP series Revision History Version Description 1 0 2013 04 11 Initial Release e Added description of M5 set screws for tilt adjustment i3 awisa e Revised spectral response according to the updated TSI datasheets e Added Actual Time Applied for Commands e Removed the Horizontal Flip feature E 2 of 85 RA14 134 015 n VNP series Contents 1 Li 6 2 Warranty 6 3 Compliance amp Certifications accen den RO LUN DEBBIE UN CUN T INN Nu MU 7 3 1 ECO Declarations NENNT m 7 oe 7 3 271 DORT 7 4 PACKAGE Components 8 5 Product 5 1 5 9 5 1 9 5 2 ee 10 5 3 Camera Block 11 5 4 Spectral ReSponSe 12 5 5 Mechanical Specification 13 5 Connecting
29. VDS 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 BAIT 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 6 1 Pin Assignments for Camera Link Base Configuration EE M RA14 134 015 17 of 85 VNP series 7 3 Power Input Receptacle The power input receptacle 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 Receptacle 1 2 3 12V DC DC Power Input 4 5 6 DC Ground DC Ground Table 6 2 Pin Configuration of Power Input Receptacle 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 e sure the power is turned off before connecting the power cord
30. VNP 29MC C File Start Up Tool About o VIEW ANALOG LUT TEC 4095 Graph Load File Save File Camera Download Upload 2 Download UploadtoPC Download completed 36 4 2 2 9 3 Search and select the created LUT file and click Open Look in Uparade 7 2 lut lut My Recent Documents 2 gs amp My Network File name lut lut Places Files of type files lut 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 79 of 85 RA14 134 015 W vieworks VNP series Appendix C Field Upgrade MCU 1 Select File gt System Upgrade gt MCU Upgrade on Configurator Vieworks VNP 29MC C Start Up Tool About Load Setting FFC Stage Save Setting Defect Pixel o 55 Upgrade gt parade FPGA Upgrade Test Image S None O Test 1 O Test 2 Orest 3 4383 Data Bit Channel LUT Image Processing 1718 Flet Field Corr Cu C Detect Corr C invert 2 Look Upgrade Eg BEE Desktop My Documents My Network File name mcu srec Places Files of type srec Ee 80 of 85 RA14
31. a 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 85 RA14 134 015 5 Product Specifications VNP series 5 1 Overview The VNP Camera Link series pixel shift camera equipped with thermo electric Peltier TEC cooled is designed not only for applications where extremely high resolution is required but also where high quality image is essential The TEC maintains the operating temperature of the CCD at up to 15 degrees below ambient temperature to reduce noise significantly Pixel shift technology based on a precise piezoelectric stage allows image captures as high as 260 million pixels using the VNP 29MC cameras These cameras are ideal for applications such as FPD inspection document film scanning research and scientific imaging Main Features e Nano Stage Pixel Shift Mechanism e Thermoelectric Peltier Cooled e Extended Resolutions up to 260 megapixels e Color Full Image Resolution e Improved Fill Factor e Progressive Scan Interline Transfer CCD Imager e Flat Field Correction Field Upgradable Firmware e Pixel Defect Correction e Area Of Interest AOI e Binning Mode 2x2 4x4 e Output Pixel Format 8 10 12 bit e Output Channel 1 Tap 2 Tap 4 Tap e Auto Taps Adjustm
32. ble 1 trigger 1 snap Exposure synchronizes with trigger input and N times trigger input will be needed to acquire N images External Trigger Input Internal Trigger i i 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 Stage Reset eee NEM Exposure Shifting EVAL Image 1 Image 2 Imager 3 Image 4 ReadOut ReadOut ReadOut ReadOut Figure 8 28 Timing Diagram when Multi Shot is disabled on Sequence 4 Shot Mode EE MM 44 of 85 RA14 134 015 VNP series 8 11 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 e Sequence Mode reset a 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 operat
33. ce as shown in the figure below Thus the output image offers improved resolution 4 shot result 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 ks Object Image A m x 4 Shot Result Image op 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 C Due 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 39 of 85 RA14 134 015 14 vieworks VNP series 8 11 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 9 shifti
34. 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 7 21 When the Flat Field data is generated use the sfo command to set the M value and use the sfc command to apply the Flat Field Correction At this time the Flat Field data is stored on the RAM a volatile memory In order to reuse the stored data the sdf command must be used to store them on the FLASH a non volatile memory 1 Activating the Flat Field Generator will ignore the current camera settings and will temporarily change the camera settings to operate under the following default conditions When the generation of the Flat Field data is completed the original settings of the camera will be restored e Readout Mode Normal e Trigger Mode Free Run CAUTION e Channel Mode Single e Defective Pixel Correction 2 The offset value M is based on the Normal Readout mode According to the AOI mode Binning mode or Dual Channel mode the offset value of an actual image is expressed differently 36 of 85 RA14 134 015 VNP series Flat Field Calibration Block Diagram 1 64 Scale Down gt External SRAM Flat Fielding Block Diagram External Bilinear Interpolated SRAM dign
35. d List 3 Command Syntax Description Returned 0 Load from Factory Setting Load Config From 0 1 2 1 Load from User 1 Setting 2 Load from User 2 Setting 0 Save to User 0 Setting inactive Save Config To sct 12 OK 1 Save to User 1 Setting 2 Save to User 2 Setting 0 Load from Factory Setting when initializing Set Config Initialization sci 0112 OK 1 Load from User 1 Setting when Get Config Initialization gci 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 Table 8 4 Command List 4 59 of 85 RA14 134 015 VNP series Table 8 5 Command List 5 60 of 85 Val Command Syntax Description Returned Move stage to specified position Axis x or y Set Nano Stage Position Snp axis pos OK m Pos position Get Nano Stage Position Gnp axis pos Ex snp x 50 move stage to 50 nm position toward x coordinate Reset Nano Stage Reset stage position to 0 0 amp Calibrate rnp Position stage pos
36. de or Sequence Mode 4 9 Shot Mono 4 16 36 Shot Color Shift Latency 8 ms Cooling Method Thermoelectric Peltier Cooling Cooling Performance 15 C below ambient temperature Standard cooling with a fan Lens Mount F mount Power 10 14 V DC 32 W Environmental Operating 10 C 40 C Storage 30 C 65 C Dimension W xHxL Weight 94 mm 120 mm 181 5 mm 2 3 kg Table 5 1 Table 5 1 Specifications of VNP 29MC oes aaALLLLLhAgAGKG EE E Eoe O OLEUALLLGLELLULLESEOLLLLUL LILRa LLLLAOLAEEEELOEeGLGECO UUU UbUDBCAGESCELELLLACLAILKRELL LB GLLOAGHLL LARLLA UAUQL GU 10 of 85 RA14 134 015 W vieworks VNP series 5 3 Camera Block Diagram Image Processing And Control Logic CCD Driver PZT Driver Camera Link Figure 5 1 VNP Camera Block Diagram controls and data processing of VNP 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 throug
37. different value in diagonal direction Test Image 2 and moving image with different value in diagonal direction Test Image 3 Test image can be applied in all operation modes of the camera and is set using sti command Figure 8 30 Test Image 1 EE 47 of 85 RA14 134 015 eworks VNP series Figure 8 31 Test Image 2 Figure 8 32 Test Image The test image may look different because the region of the test image may vary depending on the camera s resolution CAUTION 48 of 85 RA14 134 015 VNP series VIeworks 8 14 Horizontal Flip The Horizontal Flip feature lets you flip the image horizontally This feature is available in all operation modes and shf command is used to set whether to use this feature or not Figure 8 33 Original Image Figure 8 34 Horizontally Flipped Image FEE MM RA14 134 015 49 of 85 eworks VNP series 8 15 Image Invert The Image Invert feature lets you invert the level values of the output image The inverted level values differ depending on the output data format even if input value is same This feature is available in all operation modes and sii command is used to set whether to use this feature or not Data Format Original Value Inverted Level Value 8 255 10 1023 12 4095 Table 7 4 Inverted level value by Data Format Figure 8 35 Original
38. e 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 may 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 Executed _ Recognized Ack OK 1 1 1 1 D 1 4 7 Exposure Time Setting Command Applied Applied Exposure 1 VCCD Image Image 1 READOUT y Figure 9 1 Actual Time Applied for Commands a j 55 of 85 RA14 134 015 W 2aworkes VNP series 9 3 Parameter Storage Space The camera has three non volatile storage spaces used for parameter storage and one volatile work space that is applied to actual camera operation Three storage spaces are divided into Factory Space that contain basic value at the factory and two user spaces User Space 1 User Space 2 that can save parameter value tempora
39. ent e Electronic Shutter e Strobe Output e Analog Gain Offset adjustment function e Up Table e Test Image e Temperature Monitor e Base Camera Link 9 of 85 RA14 134 015 VNP series 5 2 Specifications VNP Series Active Image H x V VNP 29MC 6576 x 4384 Sensor Type Truesense Imaging KAI 29050 Pixel Size 5 5 um X 5 5 um Sensor Output 1 or 2 Tap Output Video Output 8 10 12 bits 1 or 2 Tap Camera Interface Camera Link Base Electronic Shutter Global Shutter 5 fps 28 8 6576 4384 1 3 fps 115 3 M 13152 8768 Max Frame X1 1 Shot Rate at 4 4 Shot Resolution 9 9 Shot 0 6 fps 259 5 19728 13152 Data Output Pixel Clock Speed 40 80 Miz Exposure Time 1 100000 sec 7 sec 10 us step Partial Scan Max Speed Gamma Correction 16 fps at 1000 Lines 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 Trigger Mode Mode Free Run Overlap Fast Double 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 Mo
40. f 85 RA14 134 015 VNP series 3 Compliance 8 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 Office Use note of this 4 7 of 85 RA14 134 015 VNP series 4 Package Components Package Components VNP Camera F Mount Mount Plate Optional gt M5 Set Screws for Tilt Adjustment Provided only with F mount camer
41. gnated the faster the frame speed will be However Horizontal AOI does not affect the frame speed For more information about AOI parameter settings see sha and sva command on Command List 0 0 HSIZE 1 0 Horizontal AOI V Start Vertical Area Of Interest AOI V End 0 VSIZE 1 HSIZE 1 VSIZE 1 H Start H End Figure 8 1 Area of Interest The AOI values H x V may vary depending on the type of frame grabber For technical assistance contact to your local dealer or the manufacturer CAUTION y 21 of 85 RA14 134 015 W The approximate maximum frame rate depending on the change of Vertical AOI can be obtained as shown in the VNP series following expression 1 or 2 Channel Mode Frame Rate fps 1000000 Tre Vaor 12 Vaor 12 x Ty 4 Channel Mode Frame Rate fps 1000000 Tre X Vaor 12 2 Vaor 12 x 2 time required to move electric charges accumulated on pixel to Vertical Register Tag time required for Fast Dump number of Vertical Line of CCD T time required for transmission of one line Vaor Size of Vertical AOI The available minimum value of Tyccp Tae and may vary depending on the camera model The value of T may vary depending on the channel mode The values of each item are shown below VNP Series VNP 29MC 56 3
42. h 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 and Peltier Driver is applied to control Thermoelectric Peltier Cooling unit 11 0 85 RA14 134 015 14 vieworks VNP series 5 4 Spectral Response The following graphs show the spectral response for VNP monochrome and color cameras o a o st Measured coated cover glass a pa w E M Absolute Quantum Efficiency N Je o a o e o 2 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 Wavelngth nm 0 50 Measured with AR 0 45 coated coverglass 040 1 ri n 1 035 1 4 A 7 4 3 9 1 Absolute Quantum Efficiency o o N on 8 8 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 Wavelength nm Red Green Blue Figure 5 2 VNP 29MC Spectral Response Top Monochrome Bottom Color
43. he interval of trigger input should not be shorter than the readout time The readout time for VNP 29MC is as follows Channel Mode VNP 29MC 1 channel 763 1 ms 2 channel 397 7 ms 4 channel 199 6 ms Table 7 2 VNP 29MC Readout Time In addition the interval of trigger signal or the exposure time must be kept constant to operate the camera in the Overlap mode ideally Exposure M Exposure 1 Exposure 2 EXPOSURE VCCD FVAL READOUT Figure 8 12 Overlap Trigger Mode 30 of 85 RA14 134 015 VNP series 8 4 Channel Mode Accumulated charges are read out of the sensor when exposure ends The sensor can be read out in one tap single channel two tap dual channel or four tap quadrant channel In case of one tap output all pixel values in the 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 the 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 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 o
44. he 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 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 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 VCCD SHUTTER trigger input Exposure for Exposure for Exposure for Image N 1 Image N Image N 1 EXPOSURE 0 FVAL Lj ER cem 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 7 6 In this case frame speed is constant regardless of change in Exposure Time But if Exposure Time is set longer than Reado
45. image Positive Figure 8 36 Inverted image Negative 50 of 85 RA14 134 015 W works VNP series 8 16 Strobe The strobe signal is used to synchronize the external light source with the camera or to measure the exposure time of the camera The pulse width of the strobe signal is determined by the duration from the point where the shutter signal is generated until the point where the readout process begins It is equivalent to the exposure time of the camera 8 16 1 Strobe Offset The strobe offset value indicates when the strobe signal is to be sent after the shutter signal is generated The value can be set in the unit of 1 us using sso command Then the location of the pulse will be changed accordingly without changes in pulse width of the strobe signal FVAL SHUTTER EXPOSURE STROBE Offset Figure 8 37 Strobe signal in Free Run TRIGGER CC1 or EXT SHUTTER EXPOSURE FVAL EN 1 STROBE Offset Figure 8 38 Strobe signal in Trigger mode 51 of 85 RA14 134 015 eworks VNP series 8 16 2 Strobe Polarity You can select the polarity of the strobe signal ssp command is used to set the polarity of the strobe signal 8 17 Field Upgrade The camera provides a feature to upgrade the f
46. ing range Zero point drift the displacement sensor strays from the stage s operating range may occur according to a physical change on mechanical parts of the camera or temperature change on CAUTION installed environment In this case executing a Stage Reset command will compensate zero point drift to operate the stage normally 8 11 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 11 2 6 Stage Check The return values of reset command 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 acquires and transfers 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
47. ircuit example is shown below USER Camera 3300 TRIGGER IN gt TTL Driver n 5 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 Strobe Out lt lt Strobe lt lt D 470 lt lt Strobe Out i TTL Driver Figure 7 6 Strobe Output Schematic 20 of 85 RA14 134 015 VNP 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 figure below Start point and End point mean the starting and end of the AOI According to characteristics 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 desi
48. irmware and FGPA logic through the camera link interface rather than disassemble the camera in the field For more information about how to upgrade refer to Appendix C E 52 of 85 RA14 134 015 9 Camera Configuration VNP series 9 1 Setup command You can configure all required settings of the camera through RS 644 serial interface of the camera link When you want to control the camera using a terminal or access to the camera at your application you need to set your network as follows e Baud Rate 115200 bps DataBit 8 bit e Parity Bit No Parity e Stop bit 1 stop bit e Flow control None All types of the camera setting commands are delivered in ASCII command type except Firmware Download requiring massive data transmission All camera setting commands start from user application and the camera returns the response OK Error or information for a command The camera informs the completion of the command execution through response for a write command while the camera returns the error response or information for a read command Command format command lt parameterl gt lt parameter2 gt 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 wil
49. is relatively fast and continuous The difference with the Standard mode is that the Readout immediately starts after a trigger signal is supplied while the Readout starts after performing exposure according to the exposure time setting in the Standard mode And the interval between trigger signals is equal to the exposure time for the images since it does not generate shutter signal during Readout pen s SHUTTER Exposure N Exposure 1 Exposure N 2 EXPOSURE lt VCCD io al 1 Image Image N 1 READOUT STROBE Figure 8 11 Fast Trigger Mode EM 29 of 85 RA14 134 015 Ww 8 3 1 5 Overlap Mode In the Overlap mode the camera remains waiting for trigger acquisition status until a trigger signal is supplied as VNP series in the Standard Mode When a trigger signal is supplied the Readout starts after performing exposure process according to the exposure time setting When new trigger signal is supplied to the camera during the Readout process for the first image the camera will continue to perform the Readout process while performing the exposure process for the new trigger signal However if the exposure time is longer than the interval of trigger input and the trigger signal is supplied during the Exposure process the trigger signal will be ignored To acquire the image with the maximum frame the exposure time should not be longer than the readout time and t
50. ition sensor 0 None Manual 1 4 Shot Mono Set Sequence Mode Ssm 0 1 2 3 4 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 01 OK 0 Disable Get Multi Shot Enable Gsm 0 1 1 Enable Set Camera Link CC2 Port Stage Set Reset Polarity OK Reset Polarity Get Reset Polarity Grp 0 1 0 Active Low 1 Active High Stage reset after stage sequence Set Sequence Auto Reset Ssr 0 1 OK e Get Sequence Auto Reset Gsr 0 1 1 Control Fan On Off Set Fan Control Sft 0 1 OK 0 Fan Off Get Fan Status gft 0 1 1 Control Peltier On Off Set Peltier Control stc OK 0 Peltier Get Peltier Status gft 011 1 Peltier On RA14 134 015 W VNP series 10 Configurator GUI Configurator a sample application is provided to control VNP Series camera Configurator provides easy to use Graphic User Interface GUI for the user while using the commands mentioned in the previous chapters 10 1 Camera Scan When you execute the program while the camera is turned on a Camera Scan window appears as shown in the figure below At this time the program checks serial port of your computer and DLL provided by the 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 cab
51. l 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 set 100 lt r gt lt n gt OK lt r gt lt n gt gt Echo result prompt zj J M9 53 of 85 RA14 134 015 eworks VNP series If execution of read command is successfully completed lt parameterl gt Nr Mn ex Read command In response to a get command the camera will return in hex value Command 67 65 74 OD get Nr Response 67 65 74 QA 31 30 30 OD 3 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 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 54 of 85 RA14 134 015 9 2 Actual Time Applied for Commands VNP series 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 th
52. les and power of the camera and press the refresh button When you double click a model name displayed on the screen Configurator is executed and displays current setting value of the camera connected Camera Scan vieworks INDUSTRIAL CAMERA Camera VNP 29MC C Not found Figure 10 1 Configurator Loading Window 61 of 85 RA14 134 015 eworks VNP series 10 2 Menu 10 2 1 File 5 Vieworks VNP 29MC C BAR File Start Up Tool About Prone Save E a From Factory Space gt Defect Pixel gt From Useri Space System Upgrade From User2 Space Exit 6576 H x 4384 V Test Image gt None O Test 1 O Test 2 O Test 3 Data Bit Channel LUT Image Processing Oss OTP Oot Field Corr 2 Defect invert 1257 4 Tap OLuT2 VNP 29MC C 35 8 C ic v2z Figure 10 2 File Menu Load Setting Loads the camera setting values from the camera memory i e specified as Factory User1 or User2 or user computer From File Setting Saves the camera setting values to the camera memory i e specified as User1 or User2 or user computer To File e Defect Pixel Downloads defect information to the camera Download to Camera or uploads defect information saved in the camera to user computer Upload to PC System Upgrade Upgrades MCU or FPGA logic Exit Exits Configurator EE
53. ltier Control Turns Peltier On or Off 73 of 85 RA14 134 015 works VNP series Appendix A 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 a Lines beginning with or are treated as notes row is produced in the order of the horizontal and vertical coordinate values s input sequence of pixel is irrelevant Home Insert File Edit Format View Help uz comment line Calibri S coment line H Y 2011 3 178 7 52 8 699 8 268 10 1112 10 1713 12 608 16 1 comment line 2 coment line 3 H Y 4 2011 3 5 178 7 6 52 8 7 699 8 8 268 10 9 1112 10 10 1713 12 11 608 16 13 2 Load Setting LUT FFC Stage TEC Save Setting ol Download to Camera System Upgrade gt pats Upload to PC 4384 V Tee 6576 H 4384 V None 1 O Test 2 Test 3 4383 Data Bit Channel Image Processing Field Corr O10517 O2T C Defect Clinvert 1257 4 Tap VNP 29MC C 38c 22 9 74 of 85 RA14 134 015 W vieworks VNP series
54. ne tap output Video Top Horizontal Register Video D gt Dark Rows 8 Buffer Rows Active Pixels Left Dark Columns Left Buffer Columns Right Buffer Columns Right Dark Columns Buffer Rows B Dark Rows Dummy Pixels Dummy Pixels Video ACH Horizontal Register H gt Video B Figure 8 13 Channel Mode 31 of 85 RA14 134 015 The camera processes rearranges the image data order to be compliant with the base Camera Link VNP series Standard In single channel image data is read out line by line from the upper left corner until the last pixel in the lower right corner is read out in the Camera Link A 1 Tap fashion In dual channel image data is read out of Channel A and B simultaneously in the Camera Link A B 2 Tap interleaved fashion In quadrant channel 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 the Camera Link 2 Tap top and bottom fashion Figure 7 15 Video A AFEA gt gt Vi B AFEB i CCD i d x CameraLink Sensor Interface Video C AFEC Reorder Video D AFED Figure 8 14 Image Data Flow 007
55. ng output image In case of VNP 29MC camera model the output image will have 19 728 x 13 152 259 5 Megapixel resolution if the pixel shifting is applied Otherwise the resolution of output image is 6 576 x 4 384 28 8 Megapixel without the pixel shifting gt 1 300 9 5 amp 100 Figure 8 23 Standard left vs 9 Shot Pixel Shifting right EM 40 of 85 RA14 134 015 Another benefit of pixel shifting technology compared to fixed CCDs is acquiring True Color image Currently VNP series 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 16 Shot Shifting Image 36 Shot Shifting Image Figure 8 24 Standard Image Color vs Shifting Image Color Use VNP Series camera where subjects are fixed and lighting environment is constant CAUTION 41 of 85 RA14 134 015 E fi W v 8 11 2 Sequence Mode VNP series 8 11 2 1 Components of Sequence Mode Sequence Mode can be set with the following options 0 None Manual 1 4 Shot Mono Doubled vertical and horizontal resolution 9 Shot Mono Tripled vertical and horizontal resolution 4 Shot Bayer Color
56. ode Ignoring Trigger 7 Trigger Trigger N 1 TRIGGER Exposure N EXPOSURE FVAL Image N READOUT _ STROBE Figure 8 9 Retriggering 27 of 85 RA14 134 015 W VNP series 8 3 1 3 Double Exposure Mode In the Double Exposure mode two images are acquired with one trigger signal When a trigger signal is supplied in this mode the camera starts Readout after performing Exposure process according to the setting as in the Standard mode At this time exposure for the second image starts with Readout for the first image When Readout for the first image is completed the camera performs the second Readout Since it does not generate shutter signal during Readout for the first image the interval between completion of first exposure and start of second exposure is as short as a few microseconds or dozens of microseconds TRIGGER SHUTTER Exposur for Exposure for Image 1 Image 2 EXPOSURE VCCD FVAL Nc LS LL Image 1 Image 2 READOUT STROBE EN Figure 8 10 Double Exposure Trigger Mode lt 28 of 85 RA14 134 015 W eworks VNP series 8 3 1 4 Fast Mode The Fast mode is more useful than the Standard mode when interval of trigger input
57. okup Table converts original image values to certain level values 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 You can determine whether to apply LUT and which LUT to use using sls command For more information about how to download LUT to camera refer to Appendix B 4096 entry TED Dg Lookup Table L 12 bit Data Figure 8 17 LUT Block LUT 4000 3500 3000 2500 Output Level C 1500 1000 500 0 500 1000 1500 2000 2500 3000 3500 4000 Input Level Figure 8 18 LUT at Gamma 0 5 y 34 of 85 RA14 134 015 VNP 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 quality of output image Defect Pixel information of CCD used for each camera is entered into the camera during the manufacturing process in the factory 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 A command is used to set whether to use Defective Pixel Correction feature 8 7 1 Correction Method Correction value for a defect pixel is calculated based on valid pixel value adjacent in
58. ommands with a Terminal window under GUI To hide Terminal window uncheck Terminal by clicking again e Color Calibration Performs Bayer sensor color calibration Factory Setting Not supported in the user side EE 64 of 85 RA14 134 015 14 vieworks VNP series 10 2 4 About Vieworks VNP 29MC C File Start Up Tool Stage TEC Tes Image None O Test 1 O Test 2 _ LUT O2 Tap image Processa Gott Field Corr Invert 94 2 Figure 10 5 About Menu e Camera Info Displays camera information product name serial number version etc E 65 85 RA14 134 015 VNP series 10 3 Tab 10 3 1 VIEW Tab VIEW tab allows you to set the camera readout mode test image mode data bit channel LUT image processing etc Vieworks VNP 29MC C File Start Up Tool About VIEW ANALOG LUT FFC Stage TEC Mode Oaol O Binning x Test Image None O Test 1 O Test 2 O Test 3 Data Bit O10 12 BIT VNP 29MC C Full Channel Q1 Tap 2 94 6576 H x 4384 V Image Processing Gott Flat Field Corr LUT 1 L1 Defect Corr invert 35 8 C Ic v2 z9 Figure 10 6 VIEW Tab Mode Selects readout mode If AOI is selected A
59. 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 permanent damage to the stage since it is mechanically sensitive to CAUTION shocks Please handle the camera with care EE 9 45 of 85 RA14 134 015 wW 8 11 2 7 Image Arrangement VNP series To acquire the resulting image you need 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 12 Data Format The internal processing of image data is performed in 12 bits Then the camera can output the data in 8 10 or 12 bits When the camera outputs the image data in 8 bits or 10 bits the 4 or 2 least significant bits will be truncated accordingly MSB LSB Original D13 D12 D11 D10 D7 D5 D4 D3 D2 D1 Data 12Bit Output 10Bit Output com Figure 8 29 Data Format EE M 46 of 85 RA14 134 015 W eworks VNP series 8 13 Test Image To check whether the camera operates normally or not it can be set to output test image generated in the camera instead of image data from the CCD Three types of test images are available image with different value in horizontal direction Test Image 1 image with
60. rily set by the user User space can be read and written but Factory space can be read only When the camera is powered on or reset setting values stored in one of the storage spaces are loaded into the work space according the Config Initialization setting and these values will be used for the camera settings Since values in the work space are valid only while the power is on they should be copied to user space 1 or user space 2 using sct command Volatile Non_ volatile Memory Memory RAM ROM Factory Space uw Work Space gt 6 User 1 Space C d np C User 2 Space Figure 9 2 Parameter Storage Area d E 56 of 85 RA14 134 015 VNP series 9 4 Command List Value 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 012 OK is set using sha and sva commands Get Read Out Mode grm 0 1 2 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 End point of horizontal direction Set Vertical Area sva nin2 OK n1 Starting point of vertical direction Get Vertical Area gva ni n2 End point of vertical direction Set Binning Factor sbf 24 OK 2 2 by 2 binning Get Binning Factor gti 2 4
61. rks VNP 29MC C DER Start Up Tool About E VIEW MODE XP ANALOG LUT FFC Stage TEC Mode n Osinring 5 x2 Test Image S None Orest 1 2 Orest 32 Otest 3 4383 Processing O ear z Flet Field O10857 ap Our Defect Corr Invert 128T 4 Tap 2 H I Channels LUT Terminal Camera 29 Serial Number FPGA Version 01 08 Copyright Vieworks 2011 All rights reserved Configurator Version v228 EE 9 82 of 85 RA14 134 015 W vieworks VNP series C 2 FPGA 1 Select File gt System Upgrade gt FPGA Upgrade on Configurator Vieworks VNP 29MC C DER Start Up Tool About P Load Setting IALOG LUT FFC Stage TEC Save Setting ae a Defect Pixel s MCU Upgrade FPGA Upgrade x2 x4 Test Image o None 1 E Orest 2 Orest 3 Data Bit SF Channel LUT Image Processing O1 Tap Flat Field 1 2 2 Search and select the provided FPGA upgrade file bin and click Open Look in e Upgrade Recent Documents 2 Desktop Computer My Network File name fpga bin Places Files of type Binary 3
62. to the camera Otherwise damage to the camera may result e camera input voltage is greater than specified input voltage range damage to the camera may result FEE lt 18 of 85 RA14 134 015 W 7 4 Control Receptacle VNP series The control receptacle is a Hirose 4 pin connector part HR10A 7R 4S and consists of external trigger signal input and strobe output ports The pin arrangement and configuration are as follows Figure 7 4 Pin Arrangement of Control Receptacle 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 6 3 Pin Arrangement of Control Receptacle The mating connector is Hirose 4 pin plug part HR10A 7P 4P or the equivalent connectors EE 19 of 85 RA14 134 015 7 5 Trigger Input Circuit VNP series Following figure shows trigger signal 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 ys the camera will ignore the trigger signal External trigger c
63. ut 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 7 7 In this case frame speed gets lower as the setting value of Exposure Time increases 25 of 85 RA14 134 015 eworks VNP series Standard Frame Time Readout Time Exposure Time DATA READOUT SHUTTER Figure 8 6 Exposure Time is Shorter than Readout Time Standard Frame Time 1 Readout Time i r 34 VCCD DATA READOUT SHUTTER Figure 8 7 Exposure Time is longer than Readout Time FEE 26 of 85 RA14 134 015 W VNP series 8 3 1 2 Standard Mode In the Standard Mode the camera is in a waiting for trigger acquisition status until trigger signal is supplied When a trigger signal is received by the camera Readout will start after performing Exposure process according to the setting After Readout is completed the camera will return to the waiting for trigger acquisition status again In Standard Trigger mode if a new trigger signal is supplied during readout the new trigger signal will be ignored TRIGGER SHUTTER EXPOSURE VCCD FVAL DATA READOUT STROBE Figure 8 8 Standard Trigger M

User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents