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Line Scan Camera SK6288GKOC-L Manual (06.2015) • shar

ed_blank_2nd-Instance.indd (06.2015)

11

SK6288GKOC-L

Instruction Manual

(06.2015)

© 2015

Schäfter + Kirchhoff GmbH

•

Hamburg

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Summary of Contents for SK6288GKOC-L

Page 1: ...itel_ML indd 06 2015 Kieler Str 212 22525 Hamburg Germany Tel 49 40 85 39 97 0 Fax 49 40 85 39 97 79 info SuKHamburg de www SuKHamburg de SK6288GKOC L Color Line Scan Camera 3x 2096 pixels 14 µm x 14 µm 60 30 MHz pixel frequency Instruction Manual 06 2015 Read the manual carefully before the initial start up For the content table refer to page 3 The producer reserves the right to change the herein...

Page 2: ...ght sources might be used These can affect your eyesight temporarily or even cause permanent da mage to the eyes or skin Do not look directly into the light beam Mechanical Warning Ensure that the scanner axis is free to move and that no obstacles are in the way especially fingers Do not place any body parts in the way of moving parts For typical use in a scanning application please consider the f...

Page 3: ...Setup 3 Camera Control and Performing a Scan 12 3 1 Software SkLineScan 12 Function Overview SkLineScan Toolbar Basic Visualization of the Sensor Output 3 2 Adjustments for Optimum Scan Results 14 Lens Focussing Sensor Alignment Gain Offset Control Dialog White Balance and Shading Correction Integration Time Synchronization of the Imaging Procedure and the Object Scan Velocity RGB Sensors 2D Imagi...

Page 4: ...camera can be connected to a computer either via the GigE socket directly or through a Gigabit Ethernet switch Once the camera driver and the SkLineScan program have been loaded from the SK91GigE WIN CD then the camera can be parameterized The parameters such as integration time synchronization mode or shading correction are permanently stored in the camera even after a power down or disconnection...

Page 5: ...lue accessories for minimum system configuration black optional accessories For accessory order details see Accessories and Spare Parts p 28 Motion unit with encoder Synchronization cable Power supply cable Gigabit Ethernet cable Computer Power supply unit Schäfter Kirchhoff GigE camera driver Schäfter Kirchhoff Software Development Kit Schäfter Kirchhoff VI library for LabVIEW Line scan camera Cl...

Page 6: ...s with fixed packet size frames 1 3 Computer System Requirements 1 4 SK6288GKOC L Line Scan Camera Specifications 1 Introducing the Line Scan Camera Sensor category CCD Color Sensor Sensor type KLI2113 Pixel number 3x 2096 Pixel size width x height 14 x 14 µm2 Pixel spacing 14 µm Line spacing RGB 112 µm Active sensor length 29 3 mm Anti blooming Integration control x Shading correction x Line sync...

Page 7: ...ptics are ordered as a kit the components are pre assembled and shipped as one unit Keep the protective cap on the lens until the mechanical installation is finished If you must handle with an open sensor or lens surface make sure the environment is as dust free as possible Blow off loose particles using clean compressed air The sensor and lens surfaces can be cleaned with a soft tissue moistened ...

Page 8: ...0m The operating power has to be supplied by an external source into socket 1 If you want to operate the camera in FREE RUN trigger mode the connection is completed with the CAT6 Ethernet cable and the connection to an external power supply For any kind of synchronized operation the external trigger signal s have to be wired to socket 2 in addition A frame synchronization signal and two separate l...

Page 9: ...A and start the network driver installation manually For 64 bit operating systems choose Driver Installation x64 For 32 bit systems Windows 7 32 bit XP use Driver Installation x86 The eBUS driver installation tool window B will show up to list the available network adapters and the currently installed network drivers in the system B Plug in the CAT6 network cable to the camera and switch on the po...

Page 10: ...rformance Driver must use a fixed IP address e g G cameras 192 168 0 99 V cameras 169 254 0 99 D SkLineScan Start up Start SkLineScan A start up dialog box pops up and displays the connected cameras that have been automatically detected Initial Function Test Quit the SkLineScan startup dialog box Select OK in the SkLineScan start up dialog The oscilloscope display showing the current brightness ve...

Page 11: ...Line Scan Camera SK6288GKOC L Manual 06 2015 shared_blank_2nd Instance indd 06 2015 11 SK6288GKOC L Instruction Manual 06 2015 2015 Schäfter KirchhoffGmbH Hamburg ...

Page 12: ... software package see the SK91GigE WIN software manual The most common functions of the line scan camera can be controlled by menue items and dialog boxes Commands for comprehensive camera functionality can be entered in the Camera Gain Offset Control dialog Click on the desctop icon to start the SkLineScan program The SkLineScan program recog nizes the connected line scan cameras automatically Th...

Page 13: ...he scaling of the x axis corresponds with the number of pixels in the line sensor Line scan in oscilloscope display brightness vs pixel number Zoom Function For high numbers of sensor pixels the limited number of display pixels might be out of range in which case the zoom function can be used to visualize the brightness profile in detail Magnification of one or several sections of the signal allow...

Page 14: ...changes in the optical system or camera parameters are displayed in real time when using an open dialog box Lens Focussing To focus a line scan camera the variations in edge steepness at dark bright transitions and the modulation of the line scan signal are desisive Adjust the focus using a fully opened aperture to restrict the depth of field and to amplify the effects of focus adjustments A fully...

Page 15: ...e camera The Camera Control frame on the right is used for commands and advanced software functions 4 1 Camera Control by Commands p 22 2 Adjust channel1 gain and minimize difference between channels using Gain slider 1 Adjust channel1 zero level and minimize diffe rence between channels using Offset slider Offset and gain adjustment for more than one gain offset channel Adjustment principle 1 Off...

Page 16: ...at 8 bit resolution and 4095 at 12 bit to provide a flat signal Shading correction with a balanced RGB sensitivity ensures a natural color reading The reference signal is stored in the Shading Correction Memory SCM of the camera and subsequent scans are normalized using the scale factors from this white reference Step 1 Gain Adjustment Use a homogeneous white object e g a white sheet of paper to a...

Page 17: ... in the middle column to calculate the reference data basing on the imaging setup Enter the parameters focal length FL sensor length SL and field of view FOV according to your setup The implemented algorithm will compensate the natural lens vignetting Click on Save SCM to Flash to save the SCM reference signal in the flash memory of the camera Step 2 Originating the Shading Correction Data The sha...

Page 18: ... by two vertical sliders or two input fields in the section Integration time of this dialog The left slider is for a corser the right for finer adjustments The current line frequency is displayed in the Line Frequency status field The adjustment of the integration time in the range of Integration Control shutter with an integration time shorter than the minimum exposure period does not change the ...

Page 19: ...ust be orthogonal to the sensor axis of the CCD line scan camera To obtain a proportional image with the correct aspect ratio a line synchronous transport with the laterally correct pixel assignment is required The line frequency and the constant object velocity have to be adapted to each other In cases of a variable object velocity or for particular high accuracy requirements then an external syn...

Page 20: ...n completition of the previous line scan The line frequency is determined by the programmed value LineStart SK Mode 1 Initiated by the external trigger and the currently exposed line will be read out at the next internal line clock The start and duration of exposure are controlled internally by the camera and are not affected by the trigger The exposure time is programmable and the trigger does no...

Page 21: ...ered andallcolor informationhasbeenacquired RGB Sensors 2D Imaging and Pixel Allocation A B Monochrome font pattern A line synchronous object transport B asynchronous transport of the object causes color convergence aberration The Camera SK6288GKOC L provides the red R green G and blue B informations se quentially in one single video output signal The co lor information originating from the differ...

Page 22: ... information can be read from the camera using the request commands All set and request commands are listed in the tables below The commands are entered in the Input field in the Camera Control section of the Camera Gain Offset Control user dialog Shift F4 In the Output field either the acknowledgement of the set commands 0 OK 1 not OK or the return values of the request commands are output The pa...

Page 23: ... 10 20000 µs Vyyyyy CR extern sync divider yyyyy 1 32767 Yppp CR set sync control ppp 255 Range of values oooo 0 1023 ppp 0 255 xxxx 4 digits integer value as ASCII yyyyy 5 digits integer value as ASCII SCM Shading Correction Memory SOS Start of Scan 4 Advanced SkLineScan Software Functions Acknowledgement for all set commands 0 OK 1 not OK Request Commands Request Return Description K CR SK6288GK...

Page 24: ...x x 1 1 x x x Sync 1x Enable x x 0 x x x x x Sync 4x Enable x x 1 x x x x x Sync up Enable down disable x 0 x x x x x x Sync up down Enable x 1 x x x x x x Sync Control Disable 0 x x x x x x x Sync Control Enable 1 x x x x x x x 128 64 32 16 8 4 2 1 For diagnostic purposes the present state of external trigger inputs LINE SYNC A LINE SYNC B FRAME SYNC or the internal line counter can be output ins...

Page 25: ... C 1 Trigger on 4 edges of SyncA and SyncB direction detection on hysteresis 0 Sync Control Register 11100xxx b D 1 Trigger on 4 edges of SyncA and SyncB direction detection on hysteresis 4 Sync Control Register 11101xxx b E 2 1 1 1 machine holdup oscillation 4 Advanced SkLineScan Software Functions Example Timing Diagrams of Advanced Synchronization Control Annotations SyncA LINE SYNC A external ...

Page 26: ...nsor Information SK6288GKOC L Instruction Manual 06 2015 2015 Schäfter KirchhoffGmbH Hamburg 5 Sensor Information Manufacturer Eastman Kodak Company Type KLI2113 Data source Kodak Digital Science KLI 2113 Image Sensor Technical Data Revision 4 Single Channel Schematic Package Configuration ...

Page 27: ...al 06 2015 shared_Sensor_KLI 2113 indd 06 2015 27 5 Sensor Information SK6288GKOC L Instruction Manual 06 2015 2015 Schäfter KirchhoffGmbH Hamburg Typical Responsivity Defect Classification Test conditions T 25 C fCLK 2MHz tint 1 066ms ...

Page 28: ...Scan Camera SK6288GKOC L Manual 06 2015 shared_Sensor_KLI 2113 indd 06 2015 28 5 Sensor Information SK6288GKOC L Instruction Manual 06 2015 2015 Schäfter KirchhoffGmbH Hamburg Electro optical Characteristics ...

Page 29: ...ensors Optical resolution Two elements of a line scan camera determine the optical resolution of the system first the pixel configuration of the line sensor and secondly the optical resolution of the lens The worst value is the determining value In a phased set up both are within the same range The optical resolution of the line sensor is primarily deter mined by the number of pixels and secondari...

Page 30: ...Line Scan Camera SK6288GKOC L Manual 06 2015 shared_blank indd 06 2015 30 SK6288GKOC L Instruction Manual 06 2015 2015 Schäfter KirchhoffGmbH Hamburg ...

Page 31: ...gnal conditioning CE Conformity This manual has been prepared and reviewed as carefully as possible but no warranty is given or implied for any errors of fact or in interpretation that may arise If an error is suspected then the reader is kindly requested to inform us for appropriate action The circuits descriptions and tables may be subject to and are not meant to infringe upon the rights of a th...

Page 32: ...7 x64 and x86 Windows XP SP3 SK91GigE LV Order Code VI library for LabVIEW CAT6 Network cable Shielded CAT6 patch cable halogen free both ends with RJ45 connectors for Gigabit Ethernet CAT6 x Order Code cable length 3 5 10m or length according to choice max 100m Power supply unit PS051515 Input 100 240VAC 0 8A 50 60Hz IEC320 C14 coupler for IEC C13 power cord Output 5VDC 2 5A 15VDC 0 5A 15VDC 0 3A...

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