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Piranha 3 User Manual

DALSA 03-032-10216-02

21

Symbol

Definition

Min (ns)

integrated charge

twPR_LOW

Minimum Low time to assure complete photosite reset 3,000

tPR_SET

The nominal time that the photo sites are integrating.
Clock synchronization will lead to integration time
jitter, which is shown in the specification as +/-
values. The user should command times greater than
these to ensure proper charge transfer from the
photosites. Failure to meet this requirement may
result in blooming in the Horizontal Shift Register.

3,000

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Содержание P3-80-**k40-R

Страница 1: ...Piranha3 Camera User s Manual P3 80 xxk40 R P3 87 xxK40 R P3 87 xxK40 01 R 8k to 12k Line Scan CCD Cameras 29 Jan 07 03 032 10216 02 www dalsa com ...

Страница 2: ...aterloo ON and over 1000 employees world wide For further information not included in this manual or for information on DALSA s extensive line of image sensing products please call DALSA Sales Offices Waterloo Europe Asia Pacific 605 McMurray Rd Waterloo ON N2V 2E9 Canada Tel 519 886 6000 Fax 519 886 8023 www dalsa com sales americas dalsa com Breslauer Str 34 D 82194 Gröbenzell Munich Germany Tel...

Страница 3: ... 15 Input Signals Camera Link 19 Output Signals Camera Link 19 2 3 Camera Link Video Timing 19 Software Interface How to Control the Camera __________________________________ 23 Setting Baud Rate 24 Camera Help Screen 24 3 1 Command Categories 26 3 2 Sensor Output Format 27 Overview 27 Setting the Exposure Mode 27 Setting the Line Rate 30 Setting the Exposure Time 31 3 3 Camera Output Format 31 3 ...

Страница 4: ...n and Resolution 66 Troubleshooting________________________________________________________ 67 5 1 Common Solutions 67 5 2 Troubleshooting Using the Serial Interface 68 Communications 68 Verify Parameters 68 Verify Factory Calibrated Settings 68 Verify Timing and Digital Video Path 68 Verify Voltage 68 5 3 Specific Solutions 68 No Output or Erratic Behavior 68 Line Dropout Bright Lines or Incorrec...

Страница 5: ...ng 75 B2 All Available Commands 76 EMC Declaration of Conformity______________________________________________ 85 Revision History ________________________________________________________ 87 Index _______________________________________________________________ 89 ...

Страница 6: ...Piranha 3 User Manual 03 032 10216 02 DALSA 6 ...

Страница 7: ...nk configuration interface Automatic tap balancing algorithms RoHS CE and FCC compliant Key Specifications 8k 12k Value Units Typ 0dB Gain Typ 0dB Gain Pixel Pitch µm 7 x 7 5 x 5 Camera Size mm 150 x 42 x 80 150 x 42 x 80 Maximum Line Rate kHz 33 7 23 5 Broadband Responsivity DN nJ cm2 224 138 Random Noise rms DN 12 5 10 5 Dynamic Range 8 bit ratio 328 1 391 1 FPN Corrected DN 4 4 PRNU Corrected D...

Страница 8: ...ns The Piranha3 family is ideal for applications requiring high speed superior image quality and high responsivity Applications include Flat panel display inspection Printed circuit board inspection Parcel sorting Multi camera web inspection High performance document scanning High throughput applications Models The Piranha3 cameras are available in the following models Table 1 Piranha3 Camera Mode...

Страница 9: ... Sensor Alignment x y z 0z mm mm mm 0 05 0 05 0 25 0 4 0 05 0 05 0 25 0 4 Lens Mount M72x0 75 M72x0 75 Mechanical Interface Units Notes Camera Size mm l x h x w 150 x 42 x 80 Mass g 630 Connectors power connector data connector 6 pin male Hirose MDR26 female Electrical Interface Units Notes Input Voltage Volts 12 to 15 Maximum power supply of 5 Power Dissipation W 15 Operating Temperature measured...

Страница 10: ...0 2 FPN Corrected 3 8 4 8 10 16 4 PRNU ECD DN 120 330 120 330 140 330 2 PRNU ECE DN 125 330 140 330 220 330 2 PRNU Pixel to Pixel DN 80 255 80 255 80 255 PRNU Corrected ECD ECE DN DN 16 16 48 48 18 18 64 64 48 80 80 232 2 5 6 NEE pJ cm2 56 56 56 SEE nJ cm2 58 18 6 Operating Specifications No Flat Field Correction P3 12k 10 dB 0 dB 10 dB Specification Unit Min Typ Max Min Typ Max Min Typ Max Broadb...

Страница 11: ...d 15V Notes 1 Halogen 3200K color temperature with 750nm cutoff filter light source 59 µW cm2 12k camera and 71 3 µW cm2 8k camera light intensity line rate 2500 Hz 12k camera and 5000 Hz 8k camera ECD 25 C ambient temperature 2 ECE Exposure control enabled exposure modes 2 4 5 and 6 ECD Exposure control disabled exposure modes 3 and 7 3 Offset is factory calibrated to 160DN 4 FPN measurement is p...

Страница 12: ...xposure Control Reset and Shift RegisterStructures Storage Well with Exposure Control Reset and Shift RegisterStructures Table 3 P3 80 12k40 Pixel Readout Tap First Pixel 1 1 3071 odd pixels 2 2 3072 even pixels 3 3073 6143 odd pixels 4 3074 6144 even pixels 5 9215 6145 odd pixels 6 9216 6146 even pixels 7 12287 9217 odd pixels 8 12288 9217 even pixels Table 4 P3 80 08k40 Pixel Readout Tap First P...

Страница 13: ...Piranha 3 User Manual DALSA 03 032 10216 02 13 7 8191 6141 odd pixels 8 8192 6142 even pixels 1 4 Responsivity Figure 2 Responsivity Graphs ...

Страница 14: ...Piranha 3 User Manual 03 032 10216 02 DALSA 14 ...

Страница 15: ...es or connectors or the camera may be damaged 6 Connect Camera Link and power cables 7 After connecting cables apply power to the camera 8 Check the diagnostic LED See 2 2 1 LED Status Indicator for an LED description You must also set up the other components of your system including light sources camera mounts host computers optics encoders and so on 2 2 Input Output Connectors and LED The camera...

Страница 16: ...camera The table below summarizes the operating states of the camera and the corresponding LED states When more than one condition is active the LED indicates the condition with the highest priority Error and warning states are accompanied by corresponding messages further describing the current camera status Table 5 Diagnostic LED Color of Status LED Meaning Flashing Green Camera initialization o...

Страница 17: ...nteed if your power supply does not meet the 12V to 15V requirements WARNING It is extremely important that you apply the appropriate voltages to your camera Incorrect voltages will damage the camera Protect the camera with a fast blow fuse between power supply and camera DALSA offers a power supply with attached 6 power cable that meets the Piranha3 camera s requirements but it should not be cons...

Страница 18: ...tor Pinout Medium and Full Configuration Camera Connector Right Angle Frame Grabber Channel Link Signal Cable Name 1 1 inner shield Inner Shield 14 14 inner shield Inner Shield 2 25 Y0 PAIR1 15 12 Y0 PAIR1 3 24 Y1 PAIR2 16 11 Y1 PAIR2 4 23 Y2 PAIR3 17 10 Y2 PAIR3 5 22 Yclk PAIR4 18 9 Yclk PAIR4 6 21 Y3 PAIR5 19 8 Y3 PAIR5 7 20 100 ohm PAIR6 20 7 terminated PAIR6 8 19 Z0 PAIR7 21 6 Z0 PAIR7 9 18 Z1...

Страница 19: ...u to clock the data from the camera to your acquisition system These signals are part of the Camera Link configuration and you should refer to the DALSA Camera Link Implementation Road Map available at http vfm dalsa com for the standard location of these signals Clocking Signal Indicates LVAL high Outputting valid line DVAL high Valid data STROBE rising edge Valid data FVAL high Outputting valid ...

Страница 20: ...cifications 53 190 12k 106 382 8k tTransfer The time from the reception of the falling edge of EXSYNC to the rising edge of LVAL when pretrigger is set to zero Pretrigger reduces the number of clocks to the rising edge of LVAL but doesn t change the time to the first valid pixel If the fixed integration time mode of operation is available and selected then the integration time is added to the spec...

Страница 21: ...R_SET The nominal time that the photo sites are integrating Clock synchronization will lead to integration time jitter which is shown in the specification as values The user should command times greater than these to ensure proper charge transfer from the photosites Failure to meet this requirement may result in blooming in the Horizontal Shift Register 3 000 ...

Страница 22: ...Piranha 3 User Manual 03 032 10216 02 DALSA 22 ...

Страница 23: ... The serial interface uses a simple ASCII based protocol and the camera does not require any custom software Serial Protocol Defaults 8 data bits 1 stop bit No parity No flow control 9 6kbps Camera does not echo characters Command Format When entering commands remember that A carriage return CR ends each command A space or multiple space characters separate parameters Tabs or commas are invalid pa...

Страница 24: ...all available commands and parameters through the serial interface There are two different help screens available One lists all of the available commands to configure camera operation The other help screen lists all of the commands available for retrieving camera parameters these are called get commands To view the help screen listing all of the camera configuration commands use the command Syntax...

Страница 25: ...pixel coefficients i 0 4 rc reset camera rfs restore factory settings roi region of interest xyxy 1 12288 1 1 1 12288 1 1 rpc reset pixel coeffs rus restore user settings sag set analog gain tf 0 8 10 0 10 0 sao set analog offset ti 0 8 0 255 sbr set baud rate m 9600 19200 57600 115200 sdo set digital offset ti 0 8 0 2048 sem set exposure mode m 2 3 4 5 6 7 8 set set exposure time f 3 3330 uSec sf...

Страница 26: ...btract Set Digital System Gain sag ccg ugr sao cao ccf sdo ccp ssb ssg Camera Link Mode Camera Throughput Set Upper Threshold Set Lower Threshold clm sot sut slt Generate a Test Pattern End of Line Sequence Set Pretrigger svm els spt Save Current User Settings Restore Previously Saved User Settings Save Current PRNU Coefficients Save Current FPN Coefficients Load Pixel Coefficients Reset Pixel Coe...

Страница 27: ...sure time and line rate generation Syntax sem i Syntax Elements i Exposure mode to use Factory setting is 7 Notes Refer to Table 11 Piranha3 Exposure Modes for a quick list of available modes or to the following sections for a more detailed explanation To obtain the current value of the exposure mode use the command gcp or get sem Related Commands ssf set Example sem 3 Table 11 Piranha3 Exposure M...

Страница 28: ...ced exposure time is entered When setting the exposure time using the set command line time will be increased if necessary to accommodate the exposure time Under this condition the line time will equal the exposure time line transfer time Example 1 Exposure Time less than Line Period Mode 3 External Trigger with Maximum Exposure Line rate is set by the period of the external trigger pulses The fal...

Страница 29: ...out Mode 5 External Line Rate EXSYNC and External Pixel Reset PRIN In this mode the falling edge of EXSYNC sets the line period and the rising edge of PRIN sets the start of exposure time Figure 9 EXSYNC controls Line Period and PRIN controls Exposure Time Mode 6 External Line Rate and Internally Programmable Exposure Time Figure 10 EXSYNC controls Line Period with Internally controlled Exposure T...

Страница 30: ...R Exposure Time Readout Setting the Line Rate Purpose Sets the camera s line rate in Hz Camera must be operating in exposure mode 2 or 7 Syntax ssf f Syntax Elements i Desired line rate in Hz Allowable values are 12k 300 23619Hz 8k 300 33855Hz Notes To read the current line frequency use the command gcp or get ssf If you enter an invalid line rate frequency an error message is returned Related Com...

Страница 31: ...f Example set 400 5 3 3 Camera Output Format 3 3 1 Setting the Camera Link Mode Purpose Sets the camera s Camera Link configuration number of Camera Link taps and data bit depth Refer to Table 12 for a description of each Camera Link mode Syntax clm m Syntax Elements m Output mode to use 15 Medium configuration 4 taps 8 bit output 16 Medium configuration 4 taps 12 bit output 21 Full configuration ...

Страница 32: ...1 CCD tap 1 2 2 CCD tap 3 4 3 CCD tap 5 6 4 CCD tap 7 8 Note Concatenated taps are interleaved Refer to section 1 3 for a sensor readout description 80MHz 12 clm 21 Full 8 Camera Link taps where 1 CCD tap 1 2 CCD tap 2 3 CCD tap 3 4 CCD tap 4 5 CCD tap 5 6 CCD tap 6 7 CCD tap 7 8 CCD tap 8 40MHz 8 3 3 2 Setting the Camera Throughput Purpose In DALSA cameras the sot command works in conjunction wit...

Страница 33: ...nded that you set the region of interest a few pixels inside the actual useable image Syntax roi x1 y1 x2 y2 Syntax Elements x1 Pixel start number Must be less than the pixel end number in a range from 1 to sensor resolution y1 Column start number Since the Piranha3 is a line scan camera this value must be 1 x2 Pixel end number Must be greater than or equal to the pixel start number in a range fro...

Страница 34: ...tments 1 Analog gain sag or ccg command is multiplied by the analog signal to increase the signal strength before the A D conversion It is used to take advantage of the full dynamic range of the A D converter For example in a low light situation the brightest part of the image may be consistently coming in at only 50 of the DN An analog gain of 6 dB 2x will ensure full use of the dynamic range of ...

Страница 35: ...Calibrating the Camera to Remove Non Uniformity Flat Field Correction Flat Field Correction Overview This camera has the ability to calculate correction coefficients in order to remove non uniformity in the image This video correction operates on a pixel by pixel basis and implements a two point correction for each pixel This correction can reduce or eliminate image distortion caused by the follow...

Страница 36: ...s sufficiently low not to affect camera performance and calibration results For best results the analog gain should be adjusted for the expected operating conditions and the ratio of the brightest to darkest pixel in a tap should be less than 3 to 1 where The camera is capable of operating under a range of 8 to 1 but will clip values larger than this ratio The brightest pixel should be slightly be...

Страница 37: ...he command You should see close to zero output gl gla sao cao 0 sag ccf wfc wus epc 1 0 i 1 Place a white reference in front of the camera 2 Verify that the output signal level is within range by issuing the command or If the signal level is too low increase your light level adjust the analog gain or use the automated algorithm DALSA recommends a target value of about 80 of saturation If you chang...

Страница 38: ...digital processing send the following commands sdo 0 0 epc 0 0 ssb 0 0 ssg 0 4096 Setting Analog Gain Purpose Sets the camera s analog gain value Analog gain is multiplied by the analog signal to increase the signal strength before the A D conversion It is used to take advantage of the full dynamic range of the A D converter Syntax sag t f Syntax Elements t Tap selection Use 0 for all taps or 1 to...

Страница 39: ...equal to the specified target 4 This algorithm adjusts the analog gain so that the maximum pixel per tap within the ROI of the multi line average css command is equal to the specified target t Tap value Use 0 for all taps or 1 to 8 for individual tap selection i Calculation target value in a range from 1024 to 4055DN 12 bit LSB Notes This function requires constant light input while executing If v...

Страница 40: ...fset value use the command gcp or get sao Example sao 3 35 Related Commands cao Calibrating Analog Offset Purpose Instead of manually setting the analog offset to a specific value the camera can determine appropriate offset values This command calculates and averages each tap s pixels within the region of interest and sets the offset to achieve the specified average target value Syntax cao t i Syn...

Страница 41: ...fied target value and all other taps remain unchanged Figure 14 Calibrating Analog Gain for a Tap outside of the Region of Interest Tap 1 odd Tap 2 even Video Region of Interest ccg 1 4 2800 Since tap 4 is within the region of interest tap 4 gain is adjusted so that the peak value is set to 2800 Gain values for all other taps are left unchanged Tap 5 odd Tap 6 even Tap 7 odd Tap 8 even Video 0 122...

Страница 42: ...ion does not occur Figure 15 Calibrating Analog Gain for a Tap inside the Region of Interest ccg 1 2 2800 Since tap 2 is completely outside the region of interest an error message is returned and analog gain calibation does not occur Video Region of Interest Video 0 12288 4000 9700 2800 After analog gain calibration Before analog gain calibration 0 4095 Pixel Number Tap 1 odd Tap 2 even Tap 5 odd ...

Страница 43: ...4095 ccg 1 0 2800 When calibrating all taps taps completely outside the region of interest in this example interleaved taps 1and 2 are calibrated to the average analog gain of taps within the region of interest Taps within the region of interest calibrate to the target value Note Seams between taps will be visible until you perform white light calibration using the command ccp Pixel Number Tap 1 o...

Страница 44: ...Perform all analog and digital adjustments before performing FPN correction Perform FPN correction before PRNU correction Refer to Calibrating the Camera to Remove Non Uniformity Flat Field Correction on page 35 for a procedural overview on performing flat field correction Related Commands ccp Example ccf Setting a Pixel s FPN Coefficient Purpose Sets an individual pixel s FPN coefficient Syntax s...

Страница 45: ...ls on the ssg command Related Commands ssg Example sdo 0 100 PRNU Correction Performing PRNU Correction to a Camera Calculated Value Purpose Performs PRNU correction and eliminates the difference in responsivity between the most and least sensitive pixel creating a uniform response to light Syntax ccp Notes Perform all analog adjustments before calculating PRNU Perform FPN correction before PRNU c...

Страница 46: ... peak output value This command performs the same function as the cpp command but requires that you enter a target value 3 This algorithm includes an analog gain adjustment prior to PRNU calibration Analog gain is first adjusted so that the peak pixel value in tap s ROI is within 97 to 99 of the specified target value It then calculates the PRNU coefficients using the target value as shown below P...

Страница 47: ... last pixel number of the range x Coefficient value in a range from 0 to 28671 where Notes The first pixel of the range must be less than the last Example spr 4001 4096 0 Subtracting Background Purpose Use the background subtract command after performing flat field correction if you want to improve your image in a low contrast scene It is useful for systems that process 8 bit data but want to take...

Страница 48: ...Improves signal output swing after a background subtract When subtracting a digital value from the digital video signal using the ssb command the output can no longer reach its maximum Use this command to correct for this where ssg value max output value max output value ssb value Syntax ssg t i Syntax Elements t Tap selection Allowable range is 1 to 8 or 0 for all taps i Gain setting The gain ran...

Страница 49: ... function returns all the current pixel coefficients in the order FPN PRNU FPN PRNU The camera also returns the pixel number with each coefficient Example dpc 10 20 Returning FPN Coefficients Purpose Returns a pixel s FPN coefficient value in DN 12 bit LSB Syntax gfc i Syntax Elements i The pixel number to read in a range from 1 to sensor pixel count Example gfc 10 Setting a Range of FPN Coefficie...

Страница 50: ... that provides basic calculations including line counter line sum pixels above threshold pixels below threshold and derivative line sum within the region of interest These basic calculations are used to calibrate analog offset cao and calibrate analog gain ccg To further aid in debugging and cable data path integrity the first three pixels after Line Valid are aa 55 aa Refer to the following table...

Страница 51: ...13 Differential line sum 7 0 14 Differential line sum 15 8 15 Differential line sum 23 16 16 Differential line sum 31 24 Use these values to focus the camera Generally the greater the sum the greater the image contrast and better the focus Setting Thresholds Setting an Upper Threshold Purpose Sets the upper threshold limit to report in the end of line sequence Syntax sut i Syntax Elements i Upper ...

Страница 52: ...ng commands Pixel coefficients are stored separately from other data To save all current user settings to EEPROM use the command wus The camera will automatically restore the saved user settings when powered up Note While settings are being written to nonvolatile memory do not power down camera or camera memory may be corrupted To restore the last saved user settings use the command rus To save th...

Страница 53: ... of pixel coefficients A factory calibrated set of coefficients is available Syntax lpc i Syntax Elements i FPN coefficients set to save 0 Factory calibrated pixel coefficients 1 Coefficient set one 2 Coefficient set two 3 Coefficient set three 4 Coefficient set four Example lpc 0 Resetting the Current Pixel Coefficients Purpose Resets the current pixel coefficients to zero This command does not r...

Страница 54: ...nformation The camera s microcontroller has the ability to read video data This functionality can be used to verify camera operation and to perform basic testing without having to connect the camera to a frame grabber This information is also used for collecting line statistics for calibrating the camera Returning a Single Line of Video Purpose Returns a complete line of video without pixel coeffi...

Страница 55: ... cpa Example css 1024 Returning the Average of Multiple Lines of Video Purpose Returns the average for multiple lines of video data without pixel coefficients or test pattern The number of lines to sample is set and adjusted by the css command The camera displays the Min Max and Mean statistics for the pixels in the region of interest the region of interest command is explained in section 3 4 1 Se...

Страница 56: ...ou will have to correct the temperature problem or the camera will shutdown again The camera allows you to send the vt verify temperature command while it is in this state 3 6 4 Voltage Measurement The command vv displays the camera s input voltage Note that the voltage measurement feature of the camera provides only approximate results typically within 10 The measurement should not be used to set...

Страница 57: ...ion Part of FPGA firmware FPGA Design Rev xxx xx DSP design revision number UART Baud Rate 9600 Serial communication connection speed set with the sbr command See Setting Baud Rate on page 24 for details Exposure Mode 2 Current exposure mode value set with the sem command See section 3 2 1 Exposure Mode Line Rate and Exposure Time for details SYNC Frequency 5000 Hz Current line rate Value is set w...

Страница 58: ... command Refer to section 3 4 2 Analog and Digital Signal Processing Chain for details PRNU Coefficients off States whether PRNU coefficients are on or off Set with the epc command Refer to section 3 4 2 Analog and Digital Signal Processing Chain for details Number of Line Samples 256 Number of lines samples set with the css command See section 3 6 2 Returning Video Information for details Upper T...

Страница 59: ...etails Total Analog Gain dB 6 0 6 0 6 0 6 0 This is the sum of the analog gain and analog gain reference values and is the total analog gain being used by the camera Analog Offset 100 100 100 100 100 100 100 100 Analog offset settings set with the sao command See section 3 4 2 Analog and Digital Signal Processing Chain for details Digital Offset 50 50 50 50 50 50 50 50 Digital offset settings set ...

Страница 60: ...cated x1 Pixel start number x2 Pixel end number get clm Returns the current Camera Link mode get css Returns the number of line samples averaged for pixel coefficient calculations or for output of gla command get els Returns whether the end of line statistics are turned off or on 0 Off 1 On get epc Returns whether pixel coefficients are enabled or disabled The first parameter returns the FPN coeff...

Страница 61: ...Tap value 0 for all taps or 1 to 8 for individual tap selection get sem Returns the current exposure mode 3 External SYNC maximum exposure time 7 Internal programmable SYNC maximum exposure time Factory setting get sfc x Returns the FPN coefficient for the pixel number idicated x pixel number within the range 1 to sensor pixel count get sgr Returns the current analog gain reference value in dB get...

Страница 62: ...a s internal chip temperature in degrees Celsius get vv Returns the camera s supply voltage get wfc Returns whether FPN coefficients have been saved 0 No FPN coefficients saved 1 Pixel coefficients have been saved get wpc Returns whether PRNU coefficients have been saved 0 No PRNU coefficients saved 1 Pixel coefficients have been saved get wus Returns whether user settings have been saved 0 No use...

Страница 63: ...DEEP ø3 00 x 4 0 DEEP 50 0 29 0 35 3 75 0 11 5 4X 73 0 4X 15 0 55 0 12 5 3 2 2X 13 5 2X 55 0 2X 3 2 4X M72 x 0 75 x 4 0 DEEP 42 0 96 0 2X 142 0 2X DETAIL A 1 50 1 A M3x0 5 x 6 0 DEEP 8X M3x0 5 x 6 0 DEEP 4X M3x0 5 x 6 0 DEEP 2X RECOMMENDED AIRFLOW NOTE 1 CCD IMAGING CENTER IS PLACED SYMMETRICAL WITH RESPECT TO THE CENTER OF THE FOUR M3x0 5 MOUNT HOLES 2 ROTATION OF THE CCD IMAGING AREA IS 0 4 DEGR...

Страница 64: ... 69 4 14 1 6 56 0 25 CCD IMAGING DISTANCE FROM TOP OF CCD TO DATUM A 54 2 29 8 2X 38 7 60 1 M3x0 5 x 6 0 DEEP 4X M3x0 5 x 6 0 DEEP 2X M3x0 5 x 6 0 DEEP 4X A PIXEL 1 73 0 2X 73 0 2X 80 0 85 0 42 50 0 05 CCD IMAGING CENTER 40 00 0 05 CCD IMAGING CENTER M72 x 0 75 x 4 0 DEEP 36 5 2X 36 5 2X 49 5 15 0 2X 55 0 2X 6 0 4X 55 0 12 5 6 0 2X 72 5 49 9 69 4 14 1 6 56 0 25 CCD IMAGING DISTANCE FROM TOP OF CCD...

Страница 65: ...or example 5μJ cm2 can be achieved by exposing 5mW cm2 for 1ms just the same as exposing an intensity of 5W cm2 for 1μs Light Sources Keep these guidelines in mind when setting up your light source LED light sources are relatively inexpensive provide a uniform field and longer life span compared to other light sources However they also require a camera with excellent sensitivity such as the Piranh...

Страница 66: ...o the second focal point The object distance OD is the distance from the first principal point to the object Figure 21 Primary Points in a Lens System Magnification and Resolution The magnification of a lens is the ratio of the image size to the object size m h h where m is the magnification h is the image height pixel size and h is the object height desired object resolution size By similar trian...

Страница 67: ...ld be 1 Try the general and specific solutions listed in sections 5 1 5 2 and 5 3 2 If these solutions do not resolve your problem see section 5 4 on getting product support 5 1 Common Solutions Connections The first step in troubleshooting is to verify that your camera has all the correct connections Power Supply Voltages Check for the presence of all voltages at the camera power connector Verify...

Страница 68: ... pattern feature to verify the proper timing and connections between the camera and the frame grabber and verify the proper output along the digital processing chain Verify Voltage To check the camera s input voltages use the vv command Make sure the voltage is within the proper range 12V to 15V If a problem still persists contact Technical Support See section 5 4 Product Support for contact infor...

Страница 69: ... not saturate the entire pad with solvent 6 Wipe across the length of the window in one direction with the moistened end first followed by the rest of the pad The dry part of the pad should follow the moistened end The goal is to prevent solvent from evaporating from the window surface as this will end up leaving residue and streaking behind 7 Repeat steps 2 4 using a clean tissue until the entire...

Страница 70: ...er host computer light sources etc Acquisition System software version OS etc Power supplies and current draw Data rate used Control signals used in your application and their frequency or state if applicable EXSYNC BIN MCLK Other _______ Results when you run the gcp command please attach text received from the camera after initiating the command Detailed description of problem encountered please ...

Страница 71: ...ink Implementation Road Map available at http vfm dalsa com support appnotes 00450 00_03 32_DALSA_Camera_Link_Road_Map pdf details how DALSA standardizes its use of the Camera Link interface LVDS Technical Description Low Voltage Differential Signaling LVDS is a high speed low power general purpose interface standard The standard known as ANSI TIA EIA 644 was approved in March 1996 LVDS uses diffe...

Страница 72: ... a particular product The signals are Camera Control 1 CC1 Camera Control 2 CC2 Camera Control 3 CC3 Camera Control 4 CC4 The Piranha3 uses the following camera control signals Table 15 DALSA Camera Control Configuration C1 EXSYNC negative edge active CC2 PRIN CC3 Not Used CC4 Not Used Communication Two LVDS pairs have been allocated for asynchronous serial communication to and from the camera and...

Страница 73: ...ndix B in the Official Camera Link specification on the http vfm dalsa com Web site Power Power will not be provided on the Camera Link connector The camera will receive power through a separate cable Camera manufacturers will define their own power connector current and voltage requirements ...

Страница 74: ...Piranha 3 User Manual 03 032 10216 02 DALSA 74 ...

Страница 75: ...meters adjusted Parameter was clipped to the current operating range Use GCP to see value used Warning 05 Missing codes insufficient digital gain Output when the digital gain is such that missing codes are to be expected due to not enough digital gain Warning 06 Missing codes too much digital gain Output when the digital gain is such that missing codes are to be expected due to too much digital ga...

Страница 76: ...s Error 09 The camera s temperature exceeds the specified operating range Indicates that the camera has shut itself down to prevent damage from further overheating B2 All Available Commands As a quick reference the following table lists all of the commands available to the camera user For detailed information on using these commands refer to Chapter 3 Command Syntax Parameters Description calibrat...

Страница 77: ...ual to the specified target 4 This algorithm adjusts the analog gain so that all tap ROI pixels are within 98 of the specified target value and then performs a PRNU correction t Tap value Use 0 for all taps or 1 to 8 for individual tap selection i Calibration target value in a range from 1024 to 4055DN 12 bit LSB correction calibrate prnu ccp Start PRNU coefficient calibration Refer to section 3 4...

Страница 78: ...ent prior to PRNU calibration Analog gain is first adjusted so that the peak pixel value in tap s ROI is within 97 to 99 of the specified target value It then calculates the PRNU coefficients using the target value as shown below PRNU Coefficient Target AVG Pixel Value FPN value sdo i i i The calculation is performed for all sensor pixels but warnings are only applied to pixels in the region of in...

Страница 79: ...abling and Disabling Pixel Coefficients on page 49 for details get camera model gcm Reads the camera model number get camera parameters gcp Reads all of the camera parameters get camera serial gcs Read the camera serial number get camera version gcv Read the firmware version and FPGA version get commands get Retrieves camera settings for the command name specified Refer to Returning Camera Setting...

Страница 80: ...non volatile memory where i is 0 Factory calibrated coefficients 1 Coefficient set one 2 Coefficient set two 3 Coefficient set three 4 Coefficient set four Refer to 3 5 1 Saving and Restoring PRNU and FPN Coefficients for details reset camera rc Reset the entire camera reboot restore factory settings rfs Restore the camera s factory settings FPN and PRNU coefficients reset to 0 Refer to section 3 ...

Страница 81: ...d 115200 Default 9600 Refer to section Setting Baud Rate on page 24 for details set digital offset sdo t i Subtracts the input value from the video signal prior to FPN correction t Tap value 0 for all taps or 1 to 8 for individual tap selection i Offset in a range from 0 to 2048DN Refer to Setting Digital Offset on page45 for details set exposure mode sem m Set the exposure mode 2 Internal SYNC in...

Страница 82: ...put throughput sot m This command works in conjunction with the clm command and determines the pixel rate of the camera 320 4 taps at 80MHz or 8 taps at 40MHz This command is currently not configurable in the Piranha3 camera set prnu coeff spc x i Set the PRNU coefficient x pixel number within the range 1 to sensor pixel count i PRNU value within the range 0 to 28671 Refer to on page 46 for detail...

Страница 83: ...m i Switch between normal video mode and test patterns 0 Normal video mode 1 12 bit ramp test pattern 2 8 bit step test pattern Refer to section 3 6 1 Generating a Test Pattern for details update gain reference ugr Changes the 0dB gain to equal the current analog gain value set with the sag command verify temperature vt Get the internal temperature of the camera verify voltage vv Get the camera in...

Страница 84: ...Piranha 3 User Manual 03 032 10216 02 DALSA 84 write user settings wus Write all of the user settings to EEROM Refer to section 3 5 Saving and Restoring Settings for details ...

Страница 85: ... 3 2 2001 IEC EN 61000 3 3 2001 EN 61326 2001 IEC 61326 2002 IEC EN 61000 4 2 2001 IEC EN 61000 4 3 2002 ENV 50204 IEC EN 61000 4 4 2004 IEC EN 61000 4 5 2001 IEC EN 61000 4 6 2004 IEC EN 61000 4 11 2004 FCC PART 15 SUBPART B CLASS A EUROPEAN CISPR 11 2004 EN 55011 2003 This product complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC and carries t...

Страница 86: ...Piranha 3 User Manual 03 032 10216 02 DALSA 86 This Declaration corresponds to EN 45 014 ...

Страница 87: ...er New parameter 4 added to command Correction Calibrate PRNU cpa pages 25 46 and 79 Two new commands added Set FPN Range sfr and Set PRNU Range spr pages 47 49 and 83 02 Tooling hole dimensions added to mechanical drawing section 4 1 page 63 Piranha3 square option added to mechanicals section section 4 1 page 63 Also added to the Models table page 8 and to the EMC declaration page 85 ...

Страница 88: ...Piranha 3 User Manual 03 032 10216 02 DALSA 88 ...

Страница 89: ...50 enabling 50 loading 50 resetting 50 command format 23 list 76 parameters 24 commands 26 connectors 15 19 Camera Link 17 Hirose 17 power 17 D dark calibration See flat field correction dark patches 69 data rate 10 digital gain 48 offset 45 processing 34 signal processing 44 DVAL 72 E electrical interface 15 specifications 9 EMC Declaration of Conformity 85 end of line sequence 50 error messages ...

Страница 90: ...LVDS 71 pairs 72 M magnification 66 MDR26 See Camera Link connector mechanical drawing 63 specifications 9 models 8 modes default 29 N noisy output 69 O offset analog 40 calibrating 40 digital 45 operating modes 27 optical interface 65 specifications 9 P performance specifications 8 11 pixel readout 12 pixel statistics 54 power connectors 17 guidelines 17 supply 17 pretrigger 33 PRNU 35 coefficien...

Страница 91: ...ackground 47 sync frequency 56 T tap matching 39 Technical Sales Support 70 temperature measurement 56 test patterns 54 threshold lower 51 upper 51 throughput 32 timing 19 camera 19 Camera Link 19 mode 7 30 trigger external 19 troubleshooting 67 connections 67 horizontal lines 69 line rates 68 serial interface 68 V video data 55 72 voltage measurement 56 W warning messages 75 ...

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