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Sensor Information

Instruction Manual

SK22368U3TOC

shar

ed_Sensor_TCD2716DG.indd

26

Instruction Manual SK22368U3TOC © 2022-03 E

5

Sensor Information

Manufacturer: TOSHIBA Corporation
Type:

TCD2716DG

Data source:

TOSHIBA CCD Linear Image Sensor CCD (Charge Coupled Device) TCD2716DG, 2009-06-29

a) Features

•  Number of image sensing pixels: 7450 elements × 3 lines
•  Image sensing pixels size: 4.7 µm by 4.7 µm on 4.7 µm center
•  Photo sensing region: High sensitive pn photodiode
•  Clock: 2-phase (5 V)
•  Distance between photodiode array: Pixel R to pixel G, and pixel G to pixel B = 18.8 µm (４lines)
•  Internal circuit: Clamp circuit
•  Package: 22-pin CERDIP
•  Color filter: Red, Green, Blue

b) RGB filter arrangement

c) Typical Spectral Response

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Summary of Contents for S2048U3HW

Page 1: ...struction Manual SK22368U3TOC 3 2 Sample Configuration 1 CCD line scan camera SK22368U3TOC mounted with 2 Mounting bracket SK5105 3 Clamping claws SK5102 4 Focus adapter FA22R 40 two piece facilitates adjustment of any rotation angle 5 Enlarging lens Apo RodagonN4 0 80 5 4 1 400 500 700 800 600 Wavelength nm 0 Responsitivity V mJ cm2 100 0 0 1 0 400 500 600 Wavelength nm Relative sensitvity color ...

Page 2: ...ook directly into the light beam Mechanics Warning Ensure that the motion device and the scan way is free to move and that no obstacles are in the way Do not place any part of the body in the way of moving parts Line scan cameras are mostly used in combination with a motion device such as a translation stage a conveyer or a rotational drive as well as with high intensity light sources For assembly...

Page 3: ...Setup 8 Initial Function Test 9 3 Camera Control and Performing a Scan 10 3 1 Software SkLineScan 10 Function Overview SkLineScan Toolbar 10 Visualization of the Sensor Output 11 3 2 Adjustments for Optimum Scan Results 12 Lens Focussing 12 Sensor Alignment 13 Gain Offset Adjustment 13 White Balance and Shading Correction 14 Optimum brightness adjustment Integration Time 17 Synchronization of the ...

Page 4: ... the SK91USB3 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 from the PC The oscilloscope display in the SkLineScan program can be used to adjust the focus and aperture settings for evaluating field flattening of the lens and for orientation ...

Page 5: ...uirements 1 4 SK22368U3TOC Line Scan Camera Specifications Introduction The camera must be mounted thermally coupled so that the acceptable casing temperature is not exceeded during operation Therefore applies to the thermal resistance of the bracket or heat sink θamb θcasing RthHS Pcamera where RthHS K W thermal resistance of the bracket or heat sink θamb C ambient temperature θcasing C temperatu...

Page 6: ...e beyond the capability of the standard mounting bracket SK5105 For this purpose a second mounting bracket type SK5105 2 to hold the tube extension ring s is more appropriate Optics Handling If the camera and the optics 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 expose t...

Page 7: ...f synchronized operation the external trigger signal s must be wired to socket 2 A frame synchronization signal and two separate line synchronization signals can be handled The various trigger modes are described fully in section Synchronization of the Image Acquisition with the Feed Rate of the Object p 18 2 1 3 4 5 6 7 8 9 10 11 12 2 1 3 4 5 6 Synchronization Socket Hirose series 10A male 6 pin ...

Page 8: ...e downloaded zip file to a temporary folder Alternatively if your installation medium is a CD insert the disk to the drive The autostart function may launch the setup program automatically from CD Otherwise look for one of these installation files SkLineScan USB3 Win_x64 msi SK91USB3 Win_x64 msi SkLineScan USB3 Win_x86 msi SK91USB3 Win_x86 msi Then start the applicable installation file manually T...

Page 9: ...on Software_USB3 indd Instruction Manual SK22368U3TOC 2022 03 E Initial Function Test Quit the SkLineScan startup dialog box Select OK in the SkLineScan start up dialog The Signal Window showing the current brightness versus the pixel number indicates the correct installation ...

Page 10: ...m The SkLineScan program recog nizes the connected line scan cameras automatically The identified cameras are shown in the start up dialog A If the SK22368U3TOC camera is identified correctly confirm with OK The Signal window graphicaly showing the intensity signals of the sensor pixels oscil loscope display will open It is responsive in real time and the zoom function can be used to highlight an ...

Page 11: ...sensor Platzhalter für Grafiken in anderen Ebenen Zoom Function With a high number of sensor pixels details are lost due to the limited number of display pixels With the zoom function you select a part of the sensor for the detailed display The possible magnification ranges up to the repre sentation of the intensity signal of individual pixels Window Split Function The signal window can be divided...

Page 12: ...tates the effective focussing of the line scan camera system even for two dimensional measurement tasks For determining the correct focus the edge steepness at dark bright transi tions and the modulation of the line scan signal are the most important factors Adjust the focus with the aperture fully open to limit the depth of field and enhance the effects of changing the working distance If the sen...

Page 13: ... other Offset sliders A slight signal noise should be visible in the zero baseline 2 Gain Illuminate the sensor with a slight overexposure in order to identify the amplitude clipping Use the Gain slider 1 to adjust the maximum output voltage For a two or multi channel sensor minimize any diffe rences between the channels by adjusting the other Gain sliders For the full 8 bit resolution of the came...

Page 14: ...rection 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 White Balancing Use a homogeneous white object e g a white sheet of paper to acquire the RGB line signals Color line signal with separated RGB curves Whi...

Page 15: ...brightness adjustment Integration Time p 17 Check that the weakest color signal is higher than about 70 If necessary adjust the line frequency or the illumination intensity accordingly Tick the box Decoupling LF A in the Camera Control dialog Reduce the integration times for the two color channels with the higher signals in order to align the Red Green and Blue channels to the same level The Red c...

Page 16: ... 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 Obtaining the Shading Correction Data The shading correction refrence data that is stored in the shading correction memory SCM can be obtained in two ways Shading...

Page 17: ... setting optimum signal sensitivity is achieved and overexposure or even blooming is avoided Open the Camera Control dialog Menu Edit Operation Parameters or F4 The integration time can be set by two vertical sliders or two input fields in the section Integration Time of this dialog The left slider is for coarser the right for finer adjustments The current line frequency is displayed in the Line F...

Page 18: ...ontain easy to use functions for this purpose If the object speed is variable or the accuracy requirements are high external synchronization is required The various synchronization modes are described in the next section The optimal scan speed for a given line frequency is calculated as follows WP fL VO ß If the scanning speed is fixed the line frequency must be adjusted accordingly in order to ob...

Page 19: ... the exposure are controlled internally by the camera and are not affected by the trigger pulse The exposure time is programmable The line frequency is determined by the frequency of the trigger signal Limitations The period of the trigger signal must be longer than the exposure time used Between the external trigger signal and the internally generated line clock jitter occurs in the range of the ...

Page 20: ... 11 monochrome cameras R 0 7 G 0 7 B 0 7 RGB cameras trigger Restart SOS discharge Line Sync B LVAL Camera Interface SynC 3 7 Sync Divider M3 Region of Interest ROI pixel clock Camera Control dialog To configure synchronization open the Camera Control dialog F4 Within the Synchronization frame select one of the numbered line synchronization modes Within the camera the trigger control stage is foll...

Page 21: ...nchronous object transport B asynchronous transport of the object causes color convergence aberration The Camera SK22368U3TOC outputs the red R green G and blue B information se quentially in one single video output signal The co lor information originating from the different parts of the object is stored in the buffer of the PC and subse quently reallocated correctly Generating the color informat...

Page 22: ...c product 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 outp...

Page 23: ...yy CR exposure time yyyyy 156 20000 µs SCOG CR enable COG coupling of gain settings RCOG CR disable COG coupling of gain settings SLUT CR enable LUT RLUT CR disable LUT SNES CR enable NES no EEPROM save RNES CR disable NES no EEPROM save RESET CR reset Memory to manufacturer default Request Commands Request Return Description K CR SK22368U3TOC returns SK type number R CR Rev 1 30 returns Revision ...

Page 24: ...ction 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 instead of pixel 1 and or pixel 2 data SCR Pixel 1 Data lowByte Pixel 2 Data lowByte xxxxxx00 intensity intensity xxxxxx01 D7 FRAME SYNC D6 LINE SYNC B D5 LINE SYNC A D4 D0 0...

Page 25: ...0xxx b 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 drive holdup oscillation Example Timing Diagrams Annotations SyncA LINE SYNC A external line synchronization input I O connector SyncB LINE SYNC B external line ...

Page 26: ...oupled Device TCD2716DG 2009 06 29 a Features Number of image sensing pixels 7450 elements 3 lines Image sensing pixels size 4 7 μm by 4 7 μm on 4 7 μm center Photo sensing region High sensitive pn photodiode Clock 2 phase 5 V Distance between photodiode array Pixel R to pixel G and pixel G to pixel B 18 8 μm ４lines Internal circuit Clamp circuit Package 22 pin CERDIP Color filter Red Green Blue b...

Page 27: ...Sensor Information Instruction Manual SK22368U3TOC shared_Sensor_TCD2716DG indd 27 Instruction Manual SK22368U3TOC 2022 03 E d Optical Electrical Characteristics ...

Page 28: ...Sensor Information Instruction Manual SK22368U3TOC shared_Sensor_TCD2716DG indd 28 Instruction Manual SK22368U3TOC 2022 03 E e Circuit Diagram ...

Page 29: ... Instruction Manual SK22368U3TOC shared_blank_2nd Instance indd 29 Instruction Manual SK22368U3TOC 2022 03 E ...

Page 30: ...etermines the minimum exposure period Line frequency line scan frequency is the reciprocal value of the exposure period The maximum line frequency is a key criterion for line scan sensors as this is the limiting factor for the scan velocity 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 secon...

Page 31: ... to be compatible with each other For more accurate requirements or with a variable object velocity external synchronization is necessary Synchronization of the Imaging Procedure and the Object Scan Velocity section 3 2 Thresholding monochrome cameras only The thresholding process generates a binary signal from the gray scale data with values below the threshold yielding 0 and those above yielding...

Page 32: ...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 third party and are provided for informational purposes only The technical descriptions are general in nature and apply only to an assembly group A particular feature set as well as its suitability for a particular purpose is not guaranteed Each product is subj...

Page 33: ... Instruction Manual SK22368U3TOC shared_CE USB3_E indd 33 Instruction Manual SK22368U3TOC 2022 03 E EC Declaration of Conformity ...

Page 34: ...gths on request USB 3 0 cable SK9020 x Camera connector USB 3 0 plug type micro B with safety lock screws PC connector USB 3 0 plug type A also fits into a USB 2 0 type A socket SK9020 x Order Code 1 1m cable length 3 3m cable length standard USB 3 0 active extension cable USB3 EXT A2A Hybrid cable copper fiber power supply by another USB connection cable lenght up to 100m on request Connectors US...

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