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CD40047_R04_allPIXA_User-Manual.docx

4.3 Sensor allignment and orientation

Sensor alignment:

Position:

< +/- 150 µm

Rotation about:

< +/- 0.1 °

Planarity of sensor surface:

< +/- 0.50 µm

Sensor window:

Thickness:

0.7 mm

Refraction index

1.5

Optical path extension: 0.24 mm

Sensor orientation:

(view from the front side)

First pixel:

Left side

Color lines:

Blue: top

Green:

center

Red: bottom

Sensor alignment is an important issue for:



Adjusting multi camera systems



Replacing cameras



Mechanical design of the mounting system for the camera

First pixel

Содержание allPIXA

Страница 1: ...allPIXA camera Manual CD40067 R04 2018 07 12...

Страница 2: ...ty regulations 17 3 3 Safety instructions on the allPIXA camera 18 3 4 Purpose applications 18 3 5 Staff requirements 19 3 6 Organisational measurements 19 3 7 Safety instructions for maintenance clea...

Страница 3: ...3 Preventing installation errors 47 Conveyor belt tracking 47 Perpendicularity of the sensor to the direction of transport 48 Rotation around the longitudinal axis of the line scan sensor 48 Rotation...

Страница 4: ...ce 94 Loading a reference image from disk 95 Preparing the camera to acquire a raw reference 98 Creating a black level reference internally 102 10 5 Generating shading flat field reference 104 Loading...

Страница 5: ...ata set 146 11 6 Brightness and contrast 147 Use brightness and contrast 147 Brightness 147 Contrast 148 11 7 Camera arrangement 149 Set RGB line distance 149 Set scan direction 151 Enable suppression...

Страница 6: ...Setting description 184 11 15 Global Parameters 184 Global master slave config 184 Tracing 185 11 16 Line trigger and encoder setup Line synchronisation 185 Enable encoder 185 Synchronization mode 18...

Страница 7: ...CD40047_R04_allPIXA_User Manual docx 7...

Страница 8: ...ection systems for quality assurance monitoring Customers from all over the world of a wide range of industrial sectors have placed their trust in the experience of Chromasens in the field of industri...

Страница 9: ...mpling CST Camera setup tool Chromasens camera parameter programming software DSNU Dark signal non uniformity Irregularity in the dark image DVAL Data valid Pixel by pixel enabled for Camera Link FVAL...

Страница 10: ...pixel lines for red green and blue Inside the camera the spatial differences are corrected White balancing Setting the operation point White balancing ensures that a reference white is kept stable in...

Страница 11: ...arately as accessories Check additionally ordered accessories for completeness and for damage which may have occurred during transport Read this manual carefully before using the camera contacting you...

Страница 12: ...rols and monitors the illumination unit The Chromasens Corona II illumination 3 has integrated temperature voltage sensors which can be read out with the XLC4 controller By using the XLC4 controller t...

Страница 13: ...e of 170 megapixels per second with 24 bit RGB which is equal to 510 Mbytes s By using the allPIXA camera you can also output monochrome grayscale images The design was fully revised during developmen...

Страница 14: ...ations 2 048 pixels 60 7 kHz 4 096 pixels 34 4 kHz 7 300 pixels 21 2 kHz Spectral sensitivity 360 nm to 960 nm Video signal 3x8 bit on the CameraLink 3x14 bit ADC Interface CameraLink medium with 85 M...

Страница 15: ...ical dimensions of the allPIXA camera with up to 4 096 pixels NOTE I Drawings and 3D CAD models are available on our homepage http www chromasens de user NOTE II For the XYZ coordinate system and for...

Страница 16: ...gnment refer to section 4 2 Design of the allPIXA camera line scan sensor and sensor alignment NOTE III For the optical path extension refer to section 4 3 2 4 Ambient conditions Value Ambient tempera...

Страница 17: ...before you have read all supplied documentation carefully and have understood its contents Safe and correct operation of the device requires correct and appropriate transport storage mounting and inst...

Страница 18: ...nowledge of the person who is handling with have the same electrical potential 3 4 Purpose applications The allPIXA camera is designed for machines and systems which are used for commercial and indust...

Страница 19: ...defined and specified by the owner of the device in which the allPIXA camera is installed 3 6 Organisational measurements The instruction manual has to be stored safely in the vicinity of the camera...

Страница 20: ...converter The microcontroller with its RAM and flash memory supports the FPGA during image data processing to output the images through the CameraLink connector The allPIXA camera can be configured w...

Страница 21: ...an cameras the color information is acquired with 3 x 8 bits for each image point Take notice that high quality color detection is only possible in that way Sensor pixels are 10 m wide and 10 m long T...

Страница 22: ...surface 0 50 m Sensor window Thickness 0 7 mm Refraction index 1 5 Optical path extension 0 24 mm Sensor orientation view from the front side First pixel Left side Color lines Blue top Green center Re...

Страница 23: ...to the respective readout register Therefore the allPIXA camera simultaneously processes 3x2x2 channels 3 colors 2 taps and both odd and even pixels Figure 6 The allPIXA camera line scan sensor readou...

Страница 24: ...to the frame grabber Figure 8 Process of the allPIXA camera image processing block diagram The CCD sensor is read out by using a shift register The CDS correlated double sampling process filters extra...

Страница 25: ...ixel black level correction 1 and shading correction 2 is carried out then the image data are adjusted with the values programmed for brightness and contrast 3 Afterwards the spatial correction RGB is...

Страница 26: ...eraLink connector 1 CL Con 1 and the rear part is output via CameraLink connector 2 CL Con 2 Figure 11 Image information output on the CameraLink With Regard to the CameraLink draft description for se...

Страница 27: ...ed Rear Bit 5 Port D5 TX6 RX6 Red Front Bit 6 Front Bit 6 Port A6 Red Rear Bit 6 Port D6 TX27 RX27 Red Front Bit 7 Front Bit 7 Port A7 Red Rear Bit 7 Port D7 TX5 RX5 Green Front Bit 0 Rear Bit 0 Port...

Страница 28: ...ty to avoid this problem is to move the target slightly during the balancing process Thus distortions for example caused by dust can be eliminated The allPIXA camera permits to calculate the reference...

Страница 29: ...be supplied by the frame grabber either by CC Bits CC3 or CC4 or with a hardware signal by IO port The external signals have to be configured using the IO Configurator via CST Image height number of l...

Страница 30: ...y automatic camera functions use the brightest point for adjusting the best result to get the white color The allPIXA camera permits to arbitrarily define the area of an image chosen as reference and...

Страница 31: ...of the camera s behavior is possible for different products For the user there are 18 settings available The setting no 19 is write protected the factory s default setting is stored under no 19 and ma...

Страница 32: ...tion signals between the allPIXA camera and the PC A power connection Hirose HR10A 7R 6P male for power supply A multi color LED for indicating the allPIXA camera status NOTE If you use a USB to Seria...

Страница 33: ...24 V 3 Not connected 4 Not connected 5 Ground 6 Ground For more information about the input voltage and currents see section 2 2 Technical data 5 3 Config UART serial RS 232 Serial connection to the P...

Страница 34: ...d 12 LVCMOS GPIO_7 BiDir PullDown Selectable with IO Configurator 13 0 V Ground 14 LVCMOS GPIO_9 BiDir PullDown Selectable with IO Configurator 15 5 V over 100 Ohm Power supply Output NOTE Power suppl...

Страница 35: ...nector Channel link signal Base Inner shield 1 1 Inner shield Inner shield 14 14 Inner shield PAIR1 2 25 X0 PAIR1 15 12 X0 PAIR2 3 24 X1 PAIR2 16 11 X1 PAIR3 4 23 X2 PAIR3 17 10 X2 PAIR4 5 22 Xclk PAI...

Страница 36: ...AIR2 16 11 X1 PAIR3 4 23 X2 PAIR3 17 10 X2 PAIR4 5 22 Xclk PAIR4 18 9 Xclk PAIR5 6 21 X3 PAIR5 19 8 X3 PAIR6 7 20 100 Ohm PAIR6 20 7 Terminated PAIR7 8 19 PAIR7 21 6 PAIR8 9 18 CC1 PAIR8 22 5 CC1 PAIR...

Страница 37: ...ility and get most out of the camera You can find the complete list of all accessories including descriptions and detailed drawings on our Website https www chromasens de en In the following figure yo...

Страница 38: ...odular focus by Qioptics CP000418 08 Adapter for modular focus for allPIXA camera with 4 096 pixels CP000386 09 Adapter for modular focus Customized adapters 10 Lens Customized lens 11 F mount lens Co...

Страница 39: ...allPIXA camera Tubus 7k 20 mm CP000423 02 allPIXA camera Tubus 7k 40 mm CP000424 02 allPIXA camera Tubus 7k 60 mm CP000425 02 allPIXA camera Tubus 7k 80 mm CP000426 02 allPIXA camera Tubus 7k 100 mm C...

Страница 40: ...CP000383 A 4096 S C on request allPIXA 170 MPx s 7300 Pixel NH CP000383 A 7300 C C allPIXA 170 MPx s 7300 Pixel SNH Height 100mm compact design CP000383 A 7300 E C allPIXA 170 MPx s 7300 Pixel CP00038...

Страница 41: ...ou can find on our website https www chromasens de en Mounting of the extension tube systems The extension tubes are used for extending the image distance between the allPIXA camera lens reference are...

Страница 42: ...g is mounted on the retrofit adapter Figure 24 Figure 24 Mounting the lens adapter ring on the retrofit adapter The lens adapter ring is secured by grub screws Allen key size 1 5 mm max torque 30 Ncm...

Страница 43: ...ction 1 7 1 Setup your illumination Adjust the focusing point of your illumination unit and position it correctly Refer to the manual of the illumination manufacturer for proper installation of the il...

Страница 44: ...always click Transfer setting to camera on the toolbar or press F9 afterward to transfer the settings to volatile memory Click Burn setting permanently or press F10 to burn the setting into the camera...

Страница 45: ...me is supported by your camera and Camera Link configuration see table in section 0 Click Transfer setting to camera or press F9 to save the setting to volatile memory 3 Set the operating point white...

Страница 46: ...On the toolbar click Burn setting permanently to save settings into the camera permanently You may choose different settings to configure your system to different applications You can create backups...

Страница 47: ...mera To dissipate the heat more effectively to the surrounding area we also recommend to use heat conduction pads between the allPIXA camera and heat conductive parts You can also cool the allPIXA cam...

Страница 48: ...the three pixels highlighted in black acquires the same point on the object In the right hand section of Figure 28 the camera is not aligned perpendicularly to the transport position and therefore the...

Страница 49: ...tion see section 11 10 6 Rotation around the transverse axis of the line sensor Make sure that the transverse axis of the allPIXA wave camera runs parallel to the transport level In the center section...

Страница 50: ...rising straight line These two straight lines intersect in the set position of the green color channel prerequisite is that the lines are continually acquired free running mode and the reference shoul...

Страница 51: ...of the cables should not include the connectors one No other mechanical strain should be exerted on the connectors NOTE Grounding the housing and the outer cable shield Due to an environment with elec...

Страница 52: ...Hz The setup of camera cable and frame grabber have to be tested in advance 1 Connect the Camera Link cable o Camera Link Port 1 or 1 2 of the allPIXA wave camera Port 1 2 support full data rate Take...

Страница 53: ...S232 8 2 Installing the CST Software To install the CST software on your PC 1 Start the setup program 2 If the operating system is a 64 bit version the Version selector page is shown In this case sele...

Страница 54: ...t Additional Tasks page is shown 5 If an icon should be created on the desktop select the check box and then click Next The Ready to Install page is displayed It shows the installation parameters that...

Страница 55: ...desktop The Set interface parameters dialog box is shown 2 Select the PC interface for the communication either via Camera Link or external serial port 3 In the Baud rate list click the desired baud...

Страница 56: ...ocx 56 5 If CST has just been installed for the first time or if a different camera model was connected earlier the following dialog box is shown Check that allPIXA is selected in the Available matchi...

Страница 57: ...Displaying the status of the connection Message view 9 1 Toolbar The toolbar for the CST provides the following functions Figure 2 CST Toolbar Button Function Load setting from file Save setting to fi...

Страница 58: ...s function permits to monitor the current values of important parameters of the allPIXA wave camera for example temperature current values of the reference for the operating point states of the inputs...

Страница 59: ...rrent setting permanently as F11 Permanently burn camera settings to a different setting Clear settings Delete settings from camera memory Exit Close CST View Toolbar Show hide the toolbar Status bar...

Страница 60: ...box for editing and reading registers directly on the camera Attention Only for advanced users Bootstrap board For service only Get camera trace Return internal camera loggings Might be requested by t...

Страница 61: ...ailable Configure user commands Configuring the buttons for the user defined functions Help Information about CST Shows a message box with version information Show system information Collects informat...

Страница 62: ...ameter Gain settings Camera Gain Settings Analog Coarse Gain Analog Gain Closed loop control for white balancing Section 11 2 Camera settings Camera Parameter White reference mark White reference mark...

Страница 63: ...er White control White control Set parameters such as target values for the closed loop gain control Section 11 4 Camera settings Camera Parameter Reference usage Reference usage Activate black white...

Страница 64: ...gs Camera Parameter Brightness and Contrast Brightness and Contrast Digital gain Digital offset Gamma correction Section 11 6 Camera settings Camera Parameter Camera arrangement Camera arrangement Set...

Страница 65: ...nction Camera settings Image Parameter Image sizes Image size Set the parameters related to the image size Section 0 Camera settings Image Parameter Synchronization Synchronization Set the parameters...

Страница 66: ...irroring Activate color correction Activate and set parameters for the keystone functions Section 11 10 Camera settings Image Parameter Output format Output format Set the pixel clock on CameraLink Se...

Страница 67: ...rn Test images can be generated inside the camera Section 0 Camera settings Special functions Register edit Register edit You can directly edit registers These data are saved on the camera when settin...

Страница 68: ...ion Information about firmware on the camera Please attach a screen shot of this page for all support questions Section 11 14 1 Global parameters Page Function Camera settings Special functions Global...

Страница 69: ...ax Baud rate check box If the Use max Baud rate check box is selected CST and the camera try to get connected with the highest possible data rate 4 Click Open connection The baud rate of the camera is...

Страница 70: ...the camera use the following Button Function key Menu F11 Settings Burn current setting permanently as To save data to a different setting 1 Press F11 The Burn setting as dialog box is shown 2 In the...

Страница 71: ...advanced users You should use CST for editing the files safely The file can also be downloaded to the camera but CST translates it first Saving settings from CST to hard disk Button Function key Menu...

Страница 72: ...e setting number is appended to the file name 9 10 Transferring saved settings from the PC to the camera NOTE If you transfer settings to the camera settings with the same number are overwritten There...

Страница 73: ...where XXXX is related to the allPIXA camera model and nnn is the revision of the firmware package Alternatively you can restore the default setting 1 by clicking Restore factory settings on the Simpl...

Страница 74: ...The allPIXA camera offers different ports for synchronizing image data Its functions are as follows Line trigger or encoder Frame trigger Two ways are provided to transfer the signals to the camera CC...

Страница 75: ...n the toolbar or click F10 Encoder enable increments setting With the enable increments setting you can enable disable the encoder input by using an external I O Port CC2 or CC4 of the CameraLink inte...

Страница 76: ...vel list click the desired level NOTE We recommend to work with Normal user level as much as possible to avoid erroneous settings The following table shows which commands of the Advanced menu are enab...

Страница 77: ...color conversion correction matrix For color conversion 4 color conversion matrix tables are available in the camera With Offset Additional Offset in 10Bit range from 511 to 511 corresponding 0 5 to...

Страница 78: ...TE The command Edit color conversion matrix is only available in user mode Guru 9 18 Choosing a different configuration file for the parameter display You can modify the Parameter view of CST accordin...

Страница 79: ...04_allPIXA_User Manual docx 79 9 19 Register Edit You can read and prepare registers in the camera Button Function key Menu Advanced Register edit Compared to the register edit of the basic settings s...

Страница 80: ...rent registers directly If you click OK register names Remark and the address are saved on hard disk and are available for the next time By clicking Set or Get you can work with a single register By c...

Страница 81: ...ounding 10 1 Simple setup for a fast ready to operate state On the toolbar click Display simple setup view to enter the simple setup page which comprises the most important parameters and functions on...

Страница 82: ...ia CameraLink 2 If you use a frame scan mode enter values at Image height and Image start delay see sections 11 8 1 and 11 8 2 3 In the Frame start list specify image output by selecting Free running...

Страница 83: ...ally by clicking Do center white balancing The white control field is moved into the middle of the image Then the camera performs a white balancing based on the value specified at Target value and set...

Страница 84: ...l 4095 Gamma A gamma correction table is applied to the image video_out_level video_in_level 1 Gamma This is valid for values 0 4 If 0 1 is selected for the gamma value a special table for sRGB conver...

Страница 85: ...ra information To add this information to an email to Chromasens support click Copy to clipboard and paste the information into your email 10 2 Performing a white balancing on the camera You can perfo...

Страница 86: ...ination intensity White balancing error occurred Error code No 0x41 minimum gain exceeded Digital gain value has reached lower limit Decrease analog coarse gain or reduce illumination intensity White...

Страница 87: ...camera gain values Main analog amplifying level For fine adjustment of analog gaining For more information about camera gain adjustment see section 11 2 NOTE Manual operating point setting is carried...

Страница 88: ...t the Enable continuous with control check box In the Position and mode for white reference mark list click Automatic master detection out of area position Note The Position and mode for white referen...

Страница 89: ...on in the image In most cases this is the center of the image Note The reference mark area may not include the TAP border If the front and rear TAP are defined to be independent the defined reference...

Страница 90: ...age points are set below the saturation point Take notice that the brightest scanned reference should not bring the AD converter to saturation If the objects are brighter than the current white refere...

Страница 91: ...ain value exceed 200 you could increase the corresponding value at Analog coarse gain If a current gain value is below 80 you could reduce the corresponding value at Analog coarse gain If you modified...

Страница 92: ...values for the slave tap rear tap in the example shown below are aligned with the master tap Click Refresh current camera parameters Example with the front tap as the master tap and the rear tap as th...

Страница 93: ...ck White reference mark in the tree view and then clear the Display white reference borders check box 9 Transfer settings to the camera On the toolbar click Transfer setting to camera or press F9 The...

Страница 94: ...sult 2 On the toolbar click Perform tap balancing 3 In the appearing dialog box click Yes to save the gain values permanently as start values after performing tap balancing 5 On the toolbar click Refr...

Страница 95: ...d black level reference image on your hard disk 2 Preparing the camera to acquire a raw image 10 4 2 Use this function if you do not have a black level reference image and want to generate a black ref...

Страница 96: ...gain values are changed considerably 1 Start the reference wizard and select reference type and image source On the toolbar click Start reference wizard Click Black offset level reference Click Load r...

Страница 97: ...On the right side the following parameters are shown At the Y position box and the Height box specify the area which should be used to calculate the reference values Use at least 100 lines for calcul...

Страница 98: ...tive The last used setting is activated automatically Again click Next to close the wizard 5 Activate black level correction and check the result on the image On the toolbar click Show settings and th...

Страница 99: ...rmanently to the camera before using the Reference wizard Otherwise all changes get lost 1 Get the camera to the desired working point Place a white reference in front of the camera Check lighting and...

Страница 100: ...form white balancing check box and continue with Step 4 Click Next The following dialog box is shown Follow the instructions in the message box and then click OK Note Changes that have not been saved...

Страница 101: ...On the right side the following parameters are shown At the Y position box and the Height box specify the area which should be used to calculate the reference values Use at least 100 lines for calcula...

Страница 102: ...ing is activated automatically Again click Next to close the wizard 7 Activate black level correction and check the result on the image On the toolbar click Show settings and then click Reference usag...

Страница 103: ...ired working point Prepare the camera Place a white reference in front of the camera Check lighting and focusing On the White control page clear the Enable continuous white control check box On the to...

Страница 104: ...If you don t want to perform white balancing clear the Perform white balancing check box and continue with Step 4 Click Next The following dialog box is shown Follow the instructions in the message b...

Страница 105: ...ps for reference generation Click Transfer setting to camera to save the setting to volatile memory You may proceed to section 10 5 to generate a shading reference 10 5 Generating shading flat field r...

Страница 106: ...CD40047_R04_allPIXA_User Manual docx 106...

Страница 107: ...ject should move during the calibration process because the movement results in an averaging process and the camera diminishes the effects on any small variation in the white reference target 1 Start...

Страница 108: ...apolated values So the bright area is extended outwards Proceed with Step 5 Specify the area from which the reference values should be calculated In the Y position box enter the number of the first li...

Страница 109: ...number of lines to be used Use at least 100 lines for calculation of the reference values to eliminate noise The values used for the reference are calculated by averaging each column in the selected...

Страница 110: ...ar the Send to camera check box To save the reference data to a file as backup select the Save to disk check box and then click Select file to specify folder and file name Click Next If the reference...

Страница 111: ...ted data set is used Click Transfer setting to camera to save the setting to volatile memory Brightness of the newly scanned white balancing reference should be exactly at the saturation limit 255 8Bi...

Страница 112: ...correction Optional Perform a white balancing Note The white reference target has to be placed in the best focus plane of the camera Therefore any features on its surface for example dust scratches en...

Страница 113: ...By performing a white balancing the camera gain values are set correctly to acquire the desired image for a black level reference If you don t want to perform white balancing clear the Perform white...

Страница 114: ...use a moving target to avoid wrong data due to dirt Save the image to a file and then click Next On the next page of the wizard click Select file Select the reference file in the appearing file dialog...

Страница 115: ...can also be substituted by extrapolated values So the bright area is extended outwards Proceed with Step 7 Specify the area from which the reference values should be calculated in the Y position box...

Страница 116: ...ght box the number of lines to be used Use at least 100 lines for calculation of the reference values to eliminate noise The values used for the reference are calculated by averaging each column in th...

Страница 117: ...ar the Send to camera check box To save the reference data to a file as backup select the Save to disk check box and then click Select file to specify folder and file name Click Next If the reference...

Страница 118: ...ated data set is used Click Transfer setting to camera to save the setting to volatile memory Brightness of the newly scanned white balancing reference should be exactly at the saturation limit 255 8B...

Страница 119: ...get must be placed in the best focus plane of the camera Therefore any features on its surface for example dust scratches end up in the calibration profile of the camera To avoid this if you use a sta...

Страница 120: ...By performing a white balancing the camera gain values are set correctly to acquire the desired image for a black level reference If you don t want to perform white balancing clear the Perform white...

Страница 121: ...calibration profile of the camera To avoid this if you use a static non moving white reference target use a clean white ceramic or plastic material not paper Ideally the white object should move durin...

Страница 122: ...ated data set is used Click Transfer setting to camera to save the setting to volatile memory Brightness of the newly scanned white balancing reference should be exactly at the saturation limit 255 8B...

Страница 123: ...mera The allPIXA camera evaluates the brightness of the respective channels in this range and compares the results with a programmable set value The amplification values for each color channel are adj...

Страница 124: ...et reference values If the white target is placed at the borders of the image they might be lower than in the center On the toolbar click Transfer setting to camera or press F9 5 Wait for balanced ima...

Страница 125: ...tically Figure 34 Image synchronous operating point adjustment on the object ROI NOTE I This mode requires an image trigger signal at the allPIXA camera The image trigger can be provided by CC1 throug...

Страница 126: ...e white target is placed at the borders of the image they might be lower than in the center On the toolbar click Transfer setting to camera or press F9 5 Wait for balanced image Check for saturation I...

Страница 127: ...ow the link provided by the shipment of the camera If you are not already registered request an account It is free of charge Be sure to enter valid information into the request form Otherwise you are...

Страница 128: ...be reset to factory defaults when you perform a firmware update Therefore it is recommended to save your own settings as backup o Click Save multiple settings to disk select a folder in the Upload Se...

Страница 129: ...contains the length of the CCD sensor AllPIXA camera_CCDLENGTH_Firmware_VERSION txt for example AllPIXA camera7300_Firmware_V1_20 txt This file should be used in an allPIXA camera with the line length...

Страница 130: ...nload is finished when the Download List box and the Working box are closed Then the log message view of the CST displays the following message 4 Switch off power supply of the camera Wait 5 seconds T...

Страница 131: ...correct version and that Difference of the signatures has the value 0x0000 Now the camera is ready for operation again 7 On the toolbar click Set system settings Click Send files to camera In the Send...

Страница 132: ...r 7 3k If CameraLink connection speed is set to a different value than High speed minimum integration time is higher For more information see section 0 Camera Value CST Lower limit 2k 16 45 s 4k 29 s...

Страница 133: ...ssing Figure 9 Name Name Analog coarse gain Function Pre amplification after CCD and before analog gaining Channels Red Green Blue Front Rear Unit 3 dB 0 dB 3 dB 6 dB Log Dependency None Notes Use thi...

Страница 134: ...analog image processing section 4 6 1 Figure 9 Analog process of the allPIXA camera block diagram With active white control this parameter refers to the gain values labeled with 3 in the diagram of se...

Страница 135: ...een Blue Odd Even Front Rear Unit Integer Linear Dependency None Notes Camera Value Lower limit All 0 Upper limit All 700 Copy White balancing parameter Name Name Copy parameters Function In accordanc...

Страница 136: ...the value Camera start gain values with the values defined by Current camera gain values Channels all Unit Bool Dependency None Notes Take notice that the result may differ due to the fact that this...

Страница 137: ...tion does not move with changing the width of the current scan window A1 First relative pixel of white reference may be negative see section 11 3 3 A2 First absolute pixel of white reference see secti...

Страница 138: ...the actual image window NOTE Attention Vertical reference white position moves with changing Image start delay of the actual scan window The size of the white reference area is defined with Number of...

Страница 139: ...hite reference Use absolute horizontal position of white reference Name Name Use absolute horizontal position of white reference Function If this check box is selected absolute horizontal position of...

Страница 140: ...nes for the white reference Function Length of control zone in transport direction Channels All Unit Integer Dependency Only if the image synchronized mode is used for white balancing Notes Camera Val...

Страница 141: ...on if you click Perform white reference on the toolbar Notes Refers to the white control mark Inside this area the closed loop control tries to adjust gain to reach these desired values Value is a 10...

Страница 142: ...n Front Rear Unit Integer Linear Dependency None Notes Refers to the white control mark 10 bit video value during output range of the image at the CameraLink port is usually in the 8 bit range Camera...

Страница 143: ...t Upper limit All Automatic master tap detection out of area position recommended White control mode Name Name White control mode Function Set the mode of the white control function Channels All Unit...

Страница 144: ...bject detection function During the scan the camera is set to automatically control the image brightness using the implemented function Automatic white control The control mechanism of the camera uses...

Страница 145: ...defined within the camera parameters In rare situations the Gain control stop factor parameter cannot be used successfully because medium brightness is similar to that of the expected object if no ob...

Страница 146: ...calibration Four reference sets for the black level correction are supported by the allPIXA wave camera as well as two reference sets for the shading correction You can specify the reference position...

Страница 147: ...ence Wizard in CST and it can be selected in the allPIXA wave camera setting All reference sets can be used for different setups for example for different f stops or different illuminations This param...

Страница 148: ...image saturation from 255 to 245 The internal processing is not limited up to 255 8bit This means that after the shading correction it is possible to additionally process higher values such as 300 wh...

Страница 149: ...ine or column Vid Brightness Out x y Output of this step area 0 1023 Contrast Name Name Contrast Function Digital gaining Channels Red Green Blue Unit Float Step 0 001 Linear Dependency Only available...

Страница 150: ...nes Lower limit All 0 0 Upper limit 4 096 pixel 4 0 Upper limit 4 096 pixel 6 0 The trilinear lines of the allPIXA camera signify that the camera disposes of 3 individual color lines RGB which means t...

Страница 151: ...pixels in a non square shape transport resolution is not the same as the resolution in CCD direction the value of the line resolution may be lowered to the transport resolution which means that the c...

Страница 152: ...he direction of transport regarding to the orientation of the camera that means that the sequence of the lines in the direction of transport can be either red green blue RGB or blue green red BGR but...

Страница 153: ...be detected by two channel encoder or input Camera Value Lower limit All Off Upper limit All On If during scanning transport stops and moves backwards for a short time a part of the object is scanned...

Страница 154: ...ection 11 8 Image Sizes Number of scan lines per image Name Name Number of scan lines per image Function Image size in transport direction Channels All Unit Integer Dependency Only in frame scan mode...

Страница 155: ...image trigger in lines the image trigger could be taken internally or externally With the default value 0 FVAL is always high Channels All Unit Integer Dependency Only in frame scan mode Notes Camera...

Страница 156: ...ea of the camera Camera Value Lower limit All 2 Upper limit 2k 2 048 4k 4 096 7 3k 7 300 7 296 by default There are 2 different cases for scan line length Original Scan line length equal to sensor len...

Страница 157: ...ed frame grabber Notes Only the amount of output data per line is affected 0 1 1 no reduction 3 1 8 1 1 2 4 1 16 2 1 4 Camera Value Function Lower limit All 0 Off Upper limit All 4 1 16 reduction Numb...

Страница 158: ...he linesync Encoder or LineTrigger must fit some pulses before light barrier input Triggered frame scan Name Name Triggered frame scan Function Enables the triggered frame scan modes Channels All Unit...

Страница 159: ...anning position c Reserved Reserved for OEM and future use d Use start and stop condition FVAL is generated after receiving a trigger signal The frame is delayed by the value of Image start delay Imag...

Страница 160: ...r stop Function Sets the number of lines added to the image after the stop condition Channels All Unit Integer Dependency Only available if Use start and stop condition is selected at Triggered frame...

Страница 161: ...cted after the specified Maximum number of scan lines Channels All Unit Bool Dependency Only available if Use start and stop condition is selected at Triggered frame scan Notes The parameter Maximum n...

Страница 162: ...r of the internal frame trigger set the parameters Triggered frame scan and Select trigger edge detection accordingly The following graphic shows examples for threshold values for bright objects in bl...

Страница 163: ...64 pixel 128 pixel Upper limit All 256 pixel 11 9 5 3 Rising level Name Name Rising level Function Specifies the threshold for a rising edge Channels All Unit Integer Dependency Takes effect only if t...

Страница 164: ...s been activated using the IO Configurator Notes Camera Value All All color channels All Red color channel All Green color channel All Blue color channel 11 9 5 6 ROI visible Name Name Internal LB ROI...

Страница 165: ...if Use start condition or Use start and stop condition is selected at Triggered frame scan Notes Camera Value All Peakholder LB2 All 35 ns LB1 All 4 image lines LB3 All 70 image lines LB0 By using th...

Страница 166: ...quency clock the status is checked and the debouncing condition must be complied with The following tables show suitable sequences and their function screen shots from CST If Use start condition only...

Страница 167: ...lso the position X Y and the size of the white reference could be set separately Camera Value Lower limit All Get master slave from setting All Camera acts as master All Camera acts as slave Upper lim...

Страница 168: ...master slave synchronization Line and Image trigger MASTER SLAVE S Spike suppression State machine internal Sync Wait for First relative pixel for white reference Tag x2A3 Lines Wait for First relativ...

Страница 169: ...ster slave One of the camera inputs for example I O Connector 3 acts as the so called nSelMaster Input This input is held high via an internal Pull up Slave by default A low level at this input switch...

Страница 170: ...V Bridge to nSelMaster 12 LVCMOS 13 0 V 0 V 0 V 14 LVCMOS 15 5 V over 100 Ohm open open 11 10Image processing Mirror image horizontally Name Name Mirror image horizontally Function Mirrors the lines...

Страница 171: ...me grabber Camera Value Function Lower limit All 0 Off Upper limit All 1 On Gamma correction Name Name Gamma correction Function Performs a LUT operation for gamma correction with image data Channels...

Страница 172: ...ix Name Name Use color conversion matrix Function Enables the color conversion by a 3x3 matrix for example from RGB to sRGB Channels All Unit Bool Dependency None Notes Color conversion matrix has to...

Страница 173: ...tion Enables the function keystone correction Channels Red Blue Unit Bool Dependency None Notes Camera Value Function Lower limit All 0 Off Upper limit All 1 On Sign negative refers to red channel Sig...

Страница 174: ...ction has been activated Notes Camera Value Lower limit All 4 0 Upper limit All 4 0 Keystone correction width Name Name Keystone correction width Function Start value from the center for keystone TCA...

Страница 175: ...ase Upper limit All 2x12 Bit Gray Base OEM versions Special modes are available Color weights Name Name Color weights Function Calculates the grey value for the pixel by using data from RGB weighted w...

Страница 176: ...pper limit All 63 75 MHz Minimum integration time for different camera types at different output pixel clocks Frequency Base mode Medium mode 2k 4k 7 3k 2k 4k 7 3k 85 00 MHz 24 4 s 48 5 s 86 1 s 16 5...

Страница 177: ...Check sum in last line All Info block in each line All Activate pixel 9 16 All Grey value sum Contrast value sum Information is displayed in the image as shown below First line info block Image relat...

Страница 178: ...e image This means that the CHK sum is naturally not included in the sum 11 11 5 1 First line information Information Pixel Description Serial number 1 2 3 4 Displays the serial number of the camera a...

Страница 179: ...MSByte Px 20 MidByte Px 21 LSByte Each with the same value for RGB Markers 0 5 10 22 It is used for marking the info block with red pixels Red xFF Blue x00 Green x00 Overview off the info block First...

Страница 180: ...seconds since start 1 h 17 min 40 seconds 0x56 86 4 344ms Red MSByte Green MidByte Blue LSByte Max video value 6 7 R G B Maximum raw video value for each color of the last whole line Pixel 6 FrontTap...

Страница 181: ...me stamp 15 8 MaxVal Front 15 8 MaxVal Rear 7 0 Reserved x00 Red Front 15 8 Green Front 15 8 Blue Front 15 8 Red Rear 15 8 Blue Rear 15 8 Green Rear 15 8 x00 Blue x0 0 Line count 7 0 Line time 7 0 Enc...

Страница 182: ...raLink cable Name Name Generate test pattern Function Enables different test images in the camera Channels All Unit Integer Dependency None Notes The data are generated directly after the analog image...

Страница 183: ...er Test pattern level and one live image Test pattern 5 Grey value with parameter Test pattern level Set Test pattern level Name Name Set Test pattern level Function Sets the video level for some test...

Страница 184: ...ded the changes get lost You can find this function in CST at the command Register edit of the Advanced menu It is possible to damage the function of the camera itself by using this function Therefore...

Страница 185: ...n be changed from one setting to another except the parameter listed in this section The parameters described in this section are valid independently of the selected setting They are global Global mas...

Страница 186: ...y might jitter Therefore a pulsed illumination which is synchronous to the trigger signal might cause problems in image quality NOTE II If the camera is used in the Triggered Frame Scan with active Li...

Страница 187: ...a sends one line per pulse Encoder mode The camera measures the distance of the signals and sends lines with the requested resolution An internal line trigger is generated The desired transport and en...

Страница 188: ...ports must be connected with the internal function using the IO Configurator of CST Camera Value Function Lower limit All 0 One Channel full step All 1 One Channel encoder Upper limit All 2 2 Channel...

Страница 189: ...4x 8x Upper limit All 16x Encoder resolution Name Name Encoder resolution Function Sets the distance of which the transport might be moved by one increment of the encoder Channels Unit Float Step 0 00...

Страница 190: ...may not exceed 255 Recommended values are between 0 5 and 255 Take notice that values less than 0 5 cause a decrease in transport resolution accuracy This value is calculated automatically with one of...

Страница 191: ...puts an internal line trigger after the specified value of signals from external line trigger source Channels All Unit integer Dependency Only available if Enable encoder is selected Notes Camera Valu...

Страница 192: ...l length from data sheet of the lens Principal main plain distance from data sheet of the lens First calculate the magnification After getting the result for the magnification calculate the object to...

Страница 193: ...ounting the lens in the right position on the allPIXA camera This section shows an example how to calculate the length of the distance ring To calculate the needed distance rings you need some informa...

Страница 194: ...distance working point 104 72 mm 3 4 mm 108 12 mm 4 Calculating the sum of the distances Real flange distance 108 12 Back focus of the allPIXA camera 17 526 mm C Mount Minimum offset focusing unit 20...

Страница 195: ...ng parameters of the camera can be read and modified Convenience functions for calibration of the camera are provided Calibration of the camera can be performed to adapt to current illumination condit...

Страница 196: ...ied depending on the degree of soiling 13 2 Cleaning process Body of the allPIXA camera heats up during operation Before cleaning you have to switch off the device Always allow hot surfaces to cool do...

Страница 197: ...e by the manufacturer of the superior system which is either the device manufacturer Chromasens GmbH or the exclusively authorized partner Keep the original package for a possible return of the device...

Страница 198: ...CD40047_R04_allPIXA_User Manual docx 198 15 EC conformity declaration...

Страница 199: ...4_allPIXA_User Manual docx 199 Chromasens GmbH Max Stromeyer Stra e 116 Phone 49 7531 876 0 www chromasens de 78467 Konstanz Fax 49 7531 876 303 info chromasens de Germany July 2018 Copyright by Chrom...

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