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The Piranha XL XDR Camera

•

black-to-white single, sharp transition perpendicular to the direction of motion, and is in focus. The

black to white transition should be located at the point where all the cameras are to be optically

aligned.

Motion of Object When Inspecting

Black to White Transition

Perpendicular to Motion

Move Edge into Field of View of

Camera Then Leave Target Stationary

Target for

Camera

Alignment

Note: It is assumed that the camera mounting system has the ability to rotationally adjust the

camera about its central axis and in the scan direction to perform the desired alignment.

•

Select the CamExpert line profile analysis tool.

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Continue using the camera setup in 12 row mode and continuous imaging.

•

Align the camera such that only the white, fully illuminated portion is being imaged. This

can be determined when rotational and scan direction adjustments of the camera do not

result in changes in the image line profile.

•

Adjust the illumination, exposure time and/or gain to achieve a peak value of approximately

200 DN.

•

Perform a Flat Field calibration with a target of 200 DN.

•

Adjust the camera in the scan direction such that the center of the image is 100 DN. This

will align the black-to-white transition at the center of the FOV to the center rows of the

camera.

•

While watching the line profile, rotate the camera and make both ends of the sensor equal

to the center value. The line transition at the center of the image should not move. If it

does, it means that the camera is not being rotated around its center axis. Adjust the

camera in the scan direction until the center value again reaches 100 DN.

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When both end of the line profile are equal to the center, then the camera will be aligned

both in the scan direction and rotationally with the black-to-white transition.

•

The accuracy of the adjustment can be increased by using 8 rows. However, this will be

associated with an increase in sensitivity to camera adjustments. Start with 12 rows to get

Содержание Piranha XL PX-HM-16K12B-00-R

Страница 1: ...Piranha XL XDR eXtended Dynamic Range PX HM 16K06X 00 R and PX HM 16K12X 00 R sensors cameras frame grabbers processors software vision solutions 03 032 20230 02 www teledynedalsa com ...

Страница 2: ...ducts and solutions in addition to providing wafer foundry services Teledyne DALSA Digital Imaging offers the widest range of machine vision components in the world From industry leading image sensors through powerful and sophisticated cameras frame grabbers vision processors and software to easy to use vision appliances and custom vision modules Contact Teledyne DALSA Teledyne DALSA is headquarte...

Страница 3: ...P FOR IMAGING 18 Powering the Camera 18 Data Cables 19 Lens Selection Setup 19 Establishing Camera Communications 20 Establishing Data Integrity 21 Review of Camera Performance and Features 21 SYNCHRONIZING TO OBJECT MOTION 21 External Trigger Mode 21 Seamless Stop and Start Imaging 22 Internal Trigger Mode 22 Measuring Line Rate 22 Maximum Trigger Line Rate 23 Scan Direction 23 Camera Orientation...

Страница 4: ...ation Feature Descriptions 44 Built In Self Test Codes BIST 47 Camera Power Up Configuration Selection Dialog 47 Camera Power up Configuration 47 User Set Configuration Management 47 Camera Control Category 47 Camera Control Feature Descriptions 48 Digital I O Control Feature Descriptions 49 Flat Field Category 50 Flat Field Control Feature Description 51 Image Format Control Category 54 Image For...

Страница 5: ...The Piranha XL XDR Camera Contents 3 Causes for Overheating Power Shut Down 71 DECLARATION OF CONFORMITY 72 DOCUMENT REVISION HISTORY 73 ...

Страница 6: ...frame grabber combine to offer a complete solution for the next generation of Automatic Optical Inspection systems The Piranha XL camera is recommended for detecting small defects at high speeds and over a large field of view in LCD and OLED flat panel displays printed circuit boards film and large format web materials Three Piranha XL Models are Available eXtended Dynamic Range Models XDR The PX ...

Страница 7: ...nterface Smart lens shading correction Seamless stop and start imaging with the PX HM 16K06X 00 R model Programmability Adjustable responsivity Multiple areas of interest for data reduction Region of interest for easy calibration of lens and shading correction Test patterns diagnostics 8 or 12 bit output Applications Flat panel LCD and OLED display inspection Web inspection Printed circuit board i...

Страница 8: ...g driver Version 7 40 or higher Performance Specifications Table 3 Camera Performance Specifications Specifications Performance Imager Format High speed CMOS multiline scan Resolution PX HM 16K06X 00 R PX HM 16K12X 00 R 16352 Active Pixels x 8 and 12 rows 2 16352 Active Pixels x 8 and 12 rows 2 Pixel Size 5 0 µm x 5 0 µm Pixel Fill Factor 100 Line Rate PX HM 16K12X 00 R PX HM 16K06X 00 R 14 kHz 1 ...

Страница 9: ...ise PX HM 16K06X 00 R PX HM 16K12X 00 R 6 7 DN rms 6 7 DN rms 8 5 DN rms 8 5 DN rms Peak Responsivity PX HM 16K06X 00 R PX HM 16K12X 00 R 800 DN nJ cm 2 800 DN nJ cm 2 1200 DN nJ cm 2 1200 DN nJ cm 2 625 nm Gain PX HM 16K06X 00 R PX HM 16K12X 00 R 1x to 2 5x 1x to 10x 0 67x to 2 5x 1x to 10x Normal Range Extended Range DC Offset 5 DN 5 DN Can be adjusted as required 8 bit 1x gain Full Well PX HM 1...

Страница 10: ...ments EN 55024 and EN 61326 1 Immunity to Disturbance RoHS per EU Directive 2011 65 EC and WEEE per EU Directive 2002 96 EC and China Electronic Industry Standard SJ T11364 2006 Camera Pixel Arrangement Mid Sensitivity 8 Stages High Sensitivity 12 Stages Optical Center Does Not Move with Direction Change To CDS Analog Gain Pixel Column Summing Image Data Transmission Circuits 16 352 Active Pixel C...

Страница 11: ...ity from maximum speed down to the stopped condition Supported Industry Standards GenICam The Piranha XL camera is GenICam compliant and implements a superset of the GenICam Standard Features Naming Convention specification V1 5 This description takes the form of an XML device description file using the syntax defined by the GenApi module of the GenICam specification The camera uses the GenICam Ge...

Страница 12: ...ically starts a discovery process that will identify the lane configuration of the camera This process is transparent to the user and requires no action by the user to correctly configure the link Camera Link HS Transmission Characteristics The camera s data distribution supports two cables with single CLHS ROI capability The single CLHS ROI is determined from the 1 to 4 areas of interest AOI ente...

Страница 13: ...L XDR Camera 11 16K ROI 12K ROI 8K ROI Burst Continuous Burst Continuous Burst Continuous 8 bit 125 000 97 600 125 000 125 000 125 000 125 000 12 bit 86 000 48 800 114 000 65 000 125 000 97 000 Responsivity QE Plots ...

Страница 14: ...12 The Piranha XL XDR Camera ...

Страница 15: ...IS ALIGNED TO DATUMS A B C 80 97 B 0 05 97 B 0 05 48 5 B 0 10 48 5 B 0 10 70 61 1 7 5 7 5 80 26 5 26 5 70 23 42 35 24 5 37 75 12 B 0 25 OPTICAL DISTANCE H 0 1 A E 0 05 M4x0 7 6H Z 6 2X THIS SIDE 2X FAR SIDE M4x0 7 6H Z 6 4X A B C IMAGE AREA CENTER OF IMAGE AREA M90x1 0 M4x0 7 6H Z 6 2X THIS SIDE 2X FAR SIDE FIRST PIXEL REFERENCE HOLES 0 2 Digitally signed by Ivan Bruulsema DN cn Ivan Bruulsema o T...

Страница 16: ... can damage the surface finish Further cleaning instructions are below Though this camera supports hot plugging it is recommended that you power down and disconnect power to the camera before you add or replace system components Electrostatic Discharge and the CMOS Sensor Image sensors and the camera s housing can be susceptible to damage from severe electrostatic discharge ESD Electrostatic charg...

Страница 17: ...s For context sensitive help click on the button and then click on a camera configuration parameter A short description of the configuration parameter will be shown in a popup Click on the button to open the help file for more descriptive information on CamExpert The central section of CamExpert provides access to the camera features and parameters Note The availability of features depends on the ...

Страница 18: ...CamExpert Panes CamExpert first instance select Camera Link HS Mono using the Device drop down menu Figure 3 CamExpert Frame Grabber Control Window CamExpert second instance select PX_HM_16k12B_00_R using the Device drop down menu ...

Страница 19: ...Parameters pane Allows the viewing or changing of all acquisition parameters supported by the acquisition device CamExpert displays parameters only if those parameters are supported by the installed device This avoids confusion by eliminating parameter choices when they do not apply to the hardware in use Display pane Provides a live or single frame acquisition display Frame buffer parameters are ...

Страница 20: ...are ready to start operating the camera in order to acquire images set camera functions and save settings Setting Up for Imaging Powering the Camera WARNING When setting up the camera s power supply follow these guidelines Apply the appropriate voltages of between 12 Volt to 24 Volt Incorrect voltages may damage the camera Before connecting power to the camera test all power supplies Protect the c...

Страница 21: ...a Link HS cables are made to handle very high data rates Cable length can be up to 15 meters Camera Link HS cables can be bought from an OEM OEM cables are also available for applications where flexing is present Please see Teledyne DALSA s website www teledynedalsa com for a list of qualified vendors and part numbers If you want to fabricate your own cables please refer to the Camera Link HS Spec...

Страница 22: ...following formula Object Surface to Camera Face F x 2 m 1 m HH 12 mm Note HH is the distance between the two principle planes of the lens You can get this from the lens specifications Adjust the camera squarely to the object surface with the Object Surface to Camera Face distance equal to the value determined above The lens setup should now be good enough to use during camera evaluation Fine adjus...

Страница 23: ... is intended to be a progressive introduction to the features of the Piranha XL camera and how to use them effectively Synchronizing to Object Motion The Piranha XL camera supports two trigger modes internal and external Internal was used in the previous sections where synchronization to image motion was not required External Trigger Mode See the section Digital I O Control Feature Descriptions in...

Страница 24: ... object go backwards even for a single line as it comes to a stop and starts up again If a momentary backwards motion occurs when stopping and starting the result may be a blurred image for a few lines Internal Trigger Mode See the section Camera Control Category in Appendix A for GenICam features associated with this section and how to use them Relevant Feature Internal Line Rate The internal tri...

Страница 25: ...ts 4 Rows 125kHz 74kHz 18kHz 87kHz 50kHz 12kHz 60kHz 60kHz 18kHz 60kHz 50kHz 12kHz 7 Lanes 4 lanes 1 Lane 8 Rows 125kHz 74kHz 18kHz 87kHz 50kHz 12kHz 60kHz 60kHz 18kHz 60kHz 50kHz 12kHz 7 Lanes 4 lanes 1 Lane 12 Rows 100kHz 74kHz 18kHz 87kHz 50kHz 12kHz 50kHz 50kHz 18kHz 50kHz 50kHz 12kHz 7 Lanes 4 lanes 1 Lane Scan Direction See the section Camera Control Category in Appendix A for GenICam featur...

Страница 26: ...gressively indexed over the entire panel Direction can be dynamically controlled by sending the appropriate direction command to the camera or via the CLHS GPIO General Purpose Input Output control bits It is important to note that when the camera line rate comes to a stop and the direction is changed the correct imaging will not be achieved for several scan lines Therefore it is necessary for the...

Страница 27: ...am shows which direction is designated as forward for the camera However due to the characteristics of the lens the direction of the objects motion is opposite to the image motion direction Camera Orientation The diagram below shows the definition of forward and reverse with respect to the camera body Note that the diagram assumes the use of a lens which inverts the image Figure 7 Object Movement ...

Страница 28: ...urce Exposure Time Selector Exposure Time Exposure time determines how long pixels collect photons and accumulate the electrons generated The longer the exposure time the more electrons are accumulated and the greater increase in response The exposure time for each line captured is initiated by the trigger pulse and must be completed before the next trigger pulse occurs The camera also requires en...

Страница 29: ...tion and how to use them Relevant Features Row Selector Gain Selector Gain It is desirable for camera performance to always use the maximum exposure time possible based on the maximum line rate of the inspection system and any margin that may be required to accommodate illumination degradation However it will be necessary to adjust the responsivity to achieve the desired output from the camera The...

Страница 30: ...use that was previously saved in the user set Flat field calibration should be performed when the camera temperature has stabilized When the camera is commanded to execute a flat field calibration it will adjust all pixels to have the same value as that of the peak pixel value or target level as per the calibration mode selected If flat field calibration is being set to a target level that is lowe...

Страница 31: ...RNU calibration should be performed saved and then restored as appropriate to the current inspection environment When the camera powers up it will default to the Auto Black Calibration ON mode as this will be backwards compatible with the operation of earlier cameras Adjusting Flat Field or Dark Calibration by Region See the section Flat Field Category in Appendix A for GenICam features associated...

Страница 32: ...g the flat field calibration Note that as with setting a Flat Field Calibration target level below the peak level at low gains setting a PRNU multiplier less than one at a low system gain may also produce a premature clipping of the output This feature is only available in the PX HM 16K06X and PX HM 16K12X camera models Saving Rapid Loading a PRNU Set Only Loading a user set takes two seconds whil...

Страница 33: ...nimize this affect is for the white target to be moving during the calibration process This has the effect of averaging out any dirt or texture present If this is not possible the camera has a feature where a flat field calibration filter can be enabled when generating the flat field correction coefficients which can minimize the effects of dirt Note that this filter is only capable of compensatin...

Страница 34: ...l Binning In certain applications lower image resolution may be acceptable if the desired defect detection can still be achieved This accommodation can result in higher scan speeds as the distance travelled per encoder pulse is increased due to the larger object pixel size The Piranha XL camera has a binning feature that produces rapid adjustment to a lower object pixel resolution without having t...

Страница 35: ...te when using 12 bit output data Different Areas of Interest can also be selected to be output on the Master and Salve ports This would allow the camera to be connected to a dual port frame grabber or two frame grabbers possibly in two PC s Using this configuration may eliminate frame grabber and or PC bandwidth issues allowing the camera to achieve its maximum line rate The Piranha XL camera can ...

Страница 36: ...dule i e i 8192 pixels per lane can be supported when using 8 bit pixels ii 5 461 pixels per lane can be supported when using 12 bit pixels 5 AOI width step size is 32 pixels 6 The offset of each AOI may be 0 to 16 384 96 16 288 a Therefore overlapping AOI s are allowed 7 Offset and width for individual AOI s will push one another a e g if AOI has offset 0 width 16 384 and the offset is changed to...

Страница 37: ... the Camera Control category be set to zero To upload a LUT use File Access Control Category Upload Download File Settings and select Look Up Table to upload a file The file format is described in 03 084 20123 Piranha XL Binary File Format which can be obtained from Teledyne DALSA Technical Support This document also includes Excel spread sheet examples Contrast Enhancement See the section Camera ...

Страница 38: ... target so that the fine details appear in the camera s field of view Adjust the camera s gain so that the white parts of the image are at high values but not saturated If the response is too high at 1x gain then reduce the exposure time to 25 µsec or lower Use CamExpert to capture display and analyze the image If insufficient response is achieved at high gain use the next highest gain range Selec...

Страница 39: ...amera do not result in changes in the image line profile Adjust the illumination exposure time and or gain to achieve a peak value of approximately 200 DN Perform a Flat Field calibration with a target of 200 DN Adjust the camera in the scan direction such that the center of the image is 100 DN This will align the black to white transition at the center of the FOV to the center rows of the camera ...

Страница 40: ...just Camera in Scan Direction Towards Black White Transition Until Line Center is 100DN Adjust Camera Rotation To Make Line Profile Flat Adjust Camera In Scan Direction To Bring Line Flat Profile to 100DN Figure 10 Alignment Method This method is not effective for CCD TDI cameras with many stages as there is insufficient sensitivity Area mode imaging is required Single line cameras would be too se...

Страница 41: ...e use to send camera data to the frame grabber one of which carries both image and command response data The camera can also support the use of only 4 lanes which allows standard fiber modules to be plugged into the camera or 1 lane which may be useful for diagnostic purposes Use the Next CLHS Devise Configuration to select the desired lane configuration Ensure that the acquisition is stopped when...

Страница 42: ...serSet1 thru UserSet8 User Set Selector Power on User Set Current User Set An inspection system may require several different illumination resolution and responsivity configurations in order to cover the different types of inspection it is expected to perform The Piranha XL camera includes 8 user sets where camera setup information can be saved to and restored from either at power up or dynamicall...

Страница 43: ...hat they can be restored next time you power up the camera or to protect against losing them in the case of power loss you must save the current settings using the user set save parameter Once saved the current settings become the selected user set User Setting The user setting is the saved set of camera configurations that you can customize resave and restore By default the user settings are ship...

Страница 44: ...the factory or one of the user settings can be used as the default setting by selecting the set to use in the user set default selector The chosen set automatically becomes the default setting and is the set loaded when the camera is reset or powered up ...

Страница 45: ...d Additionally the Device Version column will indicate which parameter is a member of the DALSA Features Naming Convention using the tag DFNC versus the GenICam Standard Features Naming Convention SFNC tag not shown In the CamExpert Panes parameters in gray are read only either always or due to another parameter being disabled Parameters in black are user set in CamExpert or programmable via an im...

Страница 46: ...tical whether the view is Beginner Expert or Guru Figure 12 CamExpert Camera Information Panel Camera Information Feature Descriptions Display Name Feature Description Device Version View Model Name DeviceModelName Displays the device model name RO 1 00 Beginner Vendor Name DeviceVendorName Displays the device vendor name RO 1 00 Beginner Device Version DeviceVersion Displays the device version Th...

Страница 47: ...iguration UserSet 3 as the Power up Configuration UserSet4 UserSet4 Select the user defined configuration UserSet 4 as the Power up Configuration UserSet5 UserSet5 Select the user defined configuration UserSet 5 as the Power up Configuration UserSet6 UserSet6 Select the user defined configuration UserSet 6 as the Power up Configuration UserSet7 UserSet7 Select the user defined configuration UserSe...

Страница 48: ...camera configuration set specified by the User Set Selector feature to the camera and makes it active W 1 00 Beginner Save Configuration UserSetSave Saves the current camera configuration to the user set specified by the User Set Selector feature The user sets are located on the camera in non volatile memory W 1 00 Beginner Device Built In Self Test Status deviceBISTStatus Determine the status of ...

Страница 49: ... volatile memory Camera Power up Configuration The first drop list selects the camera configuration state to load on power up see feature UserSetDefaultSelector The user chooses from one factory data set or from one of eight available user saved states User Set Configuration Management The second drop list allows the user to change the camera configuration anytime after a power up see feature User...

Страница 50: ...alue 1 00 Beginner Measured Line Rate measureLineRate Specifies the line rate provided to the camera by either internal or external source RO 1 00 Beginner Refresh Measured Line Rate refreshMeasureLineRate Press to show the current line rate provided to the camera by either internal or external sources 1 00 Beginner Exposure Time Source ExposureMode Sets the operation mode for the camera s exposur...

Страница 51: ...TDIStagesSelector Selects the number of rows that will be used Adjusts the sensor characteristics to optimize for noise performance where the 4 rows would be selected first with the maximum available light If there is insufficient response add more rows 1 00 Beginner Extended Gain Range gainExtended Increase the maximum allowable gain 1 00 Guru Gain Gain Sets the gain as per the gain selector sett...

Страница 52: ...scription Device Version View Trigger Mode Trigger Mode Determines the source of trigger to the camera internal or external 1 00 DFNC Beginn er Flat Field Category The Piranha XL Flat Field controls as shown by CamExpert group parameters used to control the FPN and PRNU calibration process ...

Страница 53: ...w Mode flatfieldCorrectionMode 1 00 Off Off FPN and flat field coefficients disabled Beginner On On FPN and flat field coefficients enabled DFNC Clear Coefficents Initialize Reset all FPN to 0 and all flat field coefficients to 1 Calibration Algorithm flatfieldCorrectionAlgorithm Selection between two different flat field algorithms 1 00 Beginner ...

Страница 54: ...ly white or if it is not possible to defocus the image Because of the low pass filter this algorithm is not able to correct pixel to pixel variations and so it is preferable to use the Target algorithm Calibration Target flatfieldCalibrationTarget Sets the target value for the Calibrate PRNU feature ROI Offset X flatfieldCalibrationROIOffsetX Set the starting point of a region of interest where a ...

Страница 55: ...used User Defined User Defined LUT download by the user is used Gamma Correction gammaCorrection Sets the output LUT gamma correction factor 1 00 Beginner DFNC SFR ROI Selector flatfieldSfrRoiSelector Select 1 of the 4 Set FPN Regions of Interest to be adjusted 1 00 Guru DFNC SFR ROI Offset X flatfieldSfrRoiOffsetX Sets the pixel offset of the selected Set FPN Regions of Interest 1 00 Guru DFNC SF...

Страница 56: ...ns Image Magnification off There will be 16 black pixels at each end of the image and 16 352 active pixels Active Active Turns Image Magnification ON resulting in a active 16 384 pixel data Image Format Control Category The Piranha XL Image Format controls as shown by CamExpert group parameters used to configure camera pixel format image cropping binning and test pattern generation features Figure...

Страница 57: ...of the pixels and reduces the horizontal resolution of the image 1 00 Beginner SFNC AOI Count multipleROICount Specified the number of AOI s in an acquired image 1 00 Beginner SFNC AOI Selector multipleROISelector Select 1 of up to 4 AOI s when setting the AOI Offset AOI Width 1 00 Beginner SFNC AOI Offset multipleROIOffsetX Location of the start of a single Area of a Interest to be output on the ...

Страница 58: ...ription XML file version RO 1 00 Beginner DFNC XML Minor Version DeviceManifestXMLMinorVersion Together with DeviceManifestXMLMajorVersion specifies the GenICam feature description XML file version RO 1 00 Beginner DFNC Refresh GenCP Status refreshGenCPStatus Press to return the current status of the GenCP 1 00 Beginner Last GenCP Status genCPStatus If a feature read or write fails then Sapera onl...

Страница 59: ...es Two cable four lanes Two cable one lanes clhsNext DeviceConfig When the camera is next powered up the specified CLHS lane configuration will be set for the camera 1 00 Guru DFNC CLHS 8b 10b Receive Error Count selector Data 2 Receive Error Count Control Data1 Receive Error Count clhsErrorCountSelector Selects the error count that the following three features apply to 1 00 Guru DFNC CLHS 8b 10b ...

Страница 60: ...ed in defined by the Acquisition Mode WO 1 00 Beginner DFNC Acquisition Stop AquisitionStop Stops the acquisition of image data at the end of the next frame s sequence WO 1 00 Beginner DFNC Acquisition Status AquisitionStatus Indicates whether the camera has been commanded to stop or to send image data 1 00 Beginner DFNC File Access Control Category The File Access control in CamExpert allows the ...

Страница 61: ...cify which user FPN to access CameraData Download camera information and send for customer support File Operation Selector FileOperationSelector Selects the target operation for the selected file in the device This operation is executed when the File Operation Execute feature is called 1 00 Guru Open Open Select the Open operation executed by FileOperationExecute Close Close Select the Close opera...

Страница 62: ...tus Displays the file operation execution status RO 1 00 Guru Success Success The last file operation has completed successfully Failure Failure The last file operation has completed unsuccessfully for an unknown reason File Unavailable FileUnavailable The last file operation has completed unsuccessfully because the file is currently unavailable File Invalid FileInvalid The last file operation has...

Страница 63: ...etwork location 6 Click the Upload button to execute the file transfer to the camera 7 Note that firmware changes require that the camera be powered down and then back up Additionally CamExpert should be shut down and restarted following a reset Download a List of Camera Parameters For diagnostic purposes you may want to download a list of all the parameters and values associated with the camera 1...

Страница 64: ...ect bit errors using an appropriate host application This error detection would be difficult if not impossible using normal image data There are five test patterns that can be selected via the Cameras CamExpertGUI Image Format tab They have the following format when using 8 bit data Each Tap Fixed o Starting at 08H increases in by 10H steps every 1K pixels ending in F8H except first and last 16 pi...

Страница 65: ...hould have been set by the factory CLHS_TXRDY_RETRY 0x00004000 The camera cannot establish CLHS communications with the frame grabber Check the CLHS connection integrity INVALID_UPGRADE 0x00008000 An invalid file format or type was used when trying to upgrade software or coefficients NO_USER_SETTINGS 0x00010000 The User has yet to save a User Set Note Default values should have been set by the fac...

Страница 66: ...e maximum that will be used 2 The trigger signal from the frame grabber will not be used and the LVAL status should now be green This will confirm the integrity of the image data portion of the CLHS cabling and connectors 3 From the Camera CamExpert Digital I O Control tab select External Trigger Mode 4 From the Frame Grabber CamExpert Advanced tab select the Line Sync Source to be Internal Line T...

Страница 67: ...ction This algorithm implements a low pass moving average that covers several adjacent pixels This filter can help minimize the effects of minor imperfections in the white reference Note this filter is NOT USED in normal imaging Over Time Some Pixels Develop Low Response When flat field calibration is performed with a white reference as per the guidelines in the user manual all pixels should achie...

Страница 68: ...t the lens has a reversing effect on motion That is if an object passes the lens outfitted camera from left to right the image on the sensor will pass from right to left The diagrams in the user manual take the lens effect into account Randomly Compressed Images It is possible that when the scan speed nears the maximum allowed based on the exposure time used the image will be randomly compressed a...

Страница 69: ...perience similar issues especially when they working with very high object resolutions Distorted Image when Changing Direction The camera achieves its high responsivity by accumulating 4 8 or 12 rows within in the sensor in a fashion that accurately follows the object motion When the scan direction changes the multiple line TDI accumulation process must reverse to match the reversed image motion a...

Страница 70: ...kewed with respect to image Digital image will appear smeared in long axis of the sensor Figure 21 Effects of Camera Skew The camera mounting assembly should have a mechanism to minimize any skew between the image motion and TDI summing direction For example for 12 rows and no more than pixel movement along the long axis skew will need to be less than tan 1 0 25pixel 12rows 11spaces 0 6 Image Will...

Страница 71: ...e small For example assume that a satisfactory image quality can be achieved with pixel sideways motion at the end pixels and a 120 mm lens with magnification of 0 5 This would require that the camera s optical axis to be within 3 5 from perpendicular Note If you have confirmed that the camera s optical axis is perpendicular to the material surface and you still have difficulty focusing at the edg...

Страница 72: ...eases especially above 1x as the depth of field becomes progressively smaller The two examples below demonstrate this characteristic Assume the use of a 120 mm lens set at f5 6 and Circle of Confusion 2 pixels Example A Magnification of 0 5X Depth of Field 1 34mm Field of View 16352 x 10um 163 52mm Requires the camera optical axis to be within 0 94 from perpendicular Example B Magnification of 2X ...

Страница 73: ...camera will also protect against the accidental application of a reverse input supply up to a maximum of 30 V Beyond this voltage the camera may be damaged Causes for Overheating Power Shut Down For reliable operation the camera s face plate temperature should be kept below 65 C and the internal temperature kept below 70 C Many applications such as in clean rooms cannot tolerate the use of forced ...

Страница 74: ...72 The Piranha XL XDR Camera Declaration of Conformity ...

Страница 75: ... the user manual describing the high gain camera model PX HM 16K12B 00 R see document 03 032 20216 February 19 2016 01 Backwards compatible software upgrade implemented SFR ROI Auto Black Enable Calibrate Black Level and Image Magnification Mode commands added and described October 31 2016 02 Removed unnecessary content December 15 2017 ...

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