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SK2048VHA-4
Monochrome Line Scan Camera
2048 pixels 8 x 8 µm², line frequency up to 52.63 kHz
Line scan camera, high speed with 52.63 kHz maximum line rate,
spectral range of 200 to 1000 nm.
Instruction Manual
Sample Configuration
1
CCD line scan camera
SK2048VHA-4
mounted with
2
Mounting bracket SK5105-L
3
Clamping claws SK5101
4
Video (CCTV)-objectiv
© 2019-03 E
info@SuKHamburg.de
www.SuKHamburg.com
3
1
2
1.0
Spectral
range
0.0
400
600
800
1000
Wavelength (nm)
- 4
H A
8 V
2 0 4
S K
4
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Table of Contents
Related Manuals for Schäfter+Kirchhoff SK2048VHA-4
Summary of Contents for Schäfter+Kirchhoff SK2048VHA-4
- Page 1 SK2048VHA-4 Spectral range 1000 Wavelength (nm) Monochrome Line Scan Camera 2048 pixels 8 x 8 µm², line frequency up to 52.63 kHz Line scan camera, high speed with 52.63 kHz maximum line rate, spectral range of 200 to 1000 nm.
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Page 2: How To Use This Instruction Manual
According to the application, laser or high power LED light sources might be used. These can affect your eyesight temporarily or even cause permanent damage to the eyes or skin. Do not look directly into the light beam! Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 3: Table Of Contents
Contents How to Use this Instruction Manual Safety Warnings Contents Introducing the SK2048VHA-4 Line Scan Camera ����������������������������������������������� Intended Purpose and Overview System Setup at a Glance Computer System Requirements SK2048VHA-4 Line Scan Camera - Specifications Installation and Setup �������������������������������������������������������������������������������... -
Page 4: Introducing The Sk2048Vha-4 Line Scan Camera
Introducing the SK2048VHA-4 Line Scan Camera Introducing the SK2048VHA-4 Line Scan Camera Intended Purpose and Overview The SK line scan camera series is designed for a wide range of vision and inspection applications in both industrial and scientific environments. The SK2048VHA-4 GigE Vision... -
Page 5: System Setup At A Glance
Introducing the SK2048VHA-4 Line Scan Camera System Setup at a Glance red: SK2048VHA-4 scope of delivery blue: accessories for minimum system configuration black: optional accessories For accessory order details see Accessories (p. 34). Gigabit Ethernet cable Power supply cable Synchronization cable... -
Page 6: Computer System Requirements
Linux kernel 3.13 or higher • Network adapters that support Jumbo Frames • CD/DVD drive for software installation. outperform adapters with fixed packet-size frames. SK2048VHA-4 Line Scan Camera - Specifications Sensor category CCD Monochrome Sensor Sensor type S12379 Pixel number... -
Page 7: Installation And Setup
Ø 4.3 Set of 4 pcs. clamping claws incl. screws Hex socket head screw DIN 912–M3 x 12 Mounting system SK5105-2L for cameras with a tube extension > 52 mm 31.5 25 10 Ø4.3 Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 8: Electrical Installation: Connections And I/O Signals
Electrical Installation: Connections and I/O Signals • For the SK2048VHA-4 line scan camera-data transfer and camera control is provded by the Gigabit Ethernet interface 3 . Use a CAT6 twisted-pair cable to connect the camera to a PC; the maximum cable length is 100 m. -
Page 9: Gige Connections And Software Installation
Installation and Setup GigE Connections and Software Installation The SK2048VHA-4 GigE Vision line scan camera uses the Gigabit Ethernet communication protocol, which is 100% compliant with the GigE Vision specifications and the Gen<I>Cam standard. The Gen<I>Cam standard provides a generic programming interface for all kinds of cameras and, no matter what features they implement, the application programming interface (API) always remains the same. - Page 10 Adapter and enter the following values: Jumbo Frames 9014 Bytes Receive Descriptors 2048 Interrupt Moderation Rate extreme Energy Efficient Ethernet Network Controller Properties: Note, the terms can differ depending on the installed Ethernet card and driver. Instruction Manual SK2048VHA-4 © 2019-03 E...
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Page 11: Sklinescan Software Installation (Optional)
Initial Function Test „ • Quit the SkLineScan startup dialog box. • Select "OK" in the SkLineScan start-up dialog. The Signal Window plotting the current brightness versus the pixel number indicates the correct installation. Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 12: Camera Control And Performing A Scan
The SkLineScan program recog nizes the connected line scan cameras automatically. The identified cameras are shown in the start-up dialog If the SK2048VHA-4 camera is identified correctly, confirm with "OK". The "Signal window" graphicaly showing the intensity signals of the sensor pixels (oscil- loscope display) will open. -
Page 13: Visualization Of The Sensor Output
If you then use the zoom function in one frame, the selected section in the other frame will be highlighted in yellow. Platzhalter für Grafiken in anderen Ebenen Line scan in split signal window: The upper frame shows an enlarged section of the lower frame. Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 14: Adjustments For Optimum Scan Results
• Dark-bright transitions with steep edges • Signal peaks are blurred • Large modulation in the signal peaks • High spatial frequencies with low modulation depth • High spatial frequencies with high modulation depth Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 15: Sensor Alignment
Offset and gain 1. Adjust the zero level of adjustment channel 1. Minimize the difference between the for more than channels using the other one gain/ Offset controls. offset channel Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 16: Shading Correction
SCM of the camera. Shading line at 230 (= 90% · 255) for an 8-bit intensity scale. correction is then active. After shading correction, the line scan signal has a homogeneous intensity at 255 (8 bit, Maximum 100%) Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 17: Optimum Brightness Adjustment, Integration Time
Image Acquisition with the Feed Rate of the Object (p. 18). Optimized level of the camera signal after incre- asing the integration time by a factor of 4 to 95 % of the available scale. Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 18: Synchronization Of The Image Acquisition With The Feed Rate Of The Object
Calculating the line frequency for a given field of view and object scan velocity: Pixel width = 8 µm 700 mm/s · (16.38 mm / 30 mm) Scan velocity = 700 mm/s 8 µm = 16.38 mm = 30 mm 47.8 kHz Instruction Manual SK2048VHA-4 © 2019-03 E... - Page 19 Instruction Manual SK2048VHA-4 © 2019-03 E...
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Page 20: Synchronization Modes
The falling edge of a TTL signal at the LINE SYNC A input triggers each individual exposure of the sensor line by line. The SK2048VHA-4 line scan camera enables extended synchronization control by means of a second trigger input LINE SYNC B. A detailed description can be found .under Advanced Synchronization Control, p. 26. - Page 21 Interest (ROI) pixel clock video CCLK D[0-11] (monochrome cameras) Look Up Output Shading Camera Table Format video Converter Corr. Interface (LUT) Select R[0-7], G[0-7], B[0-7] (RGB cameras) Functional diagram of the Camera Control System Instruction Manual SK2048VHA-4 © 2019-03 E...
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Page 22: Gige Vision Device Feature List (GenCam Compliant)
0 ... 24.0 (float) See Gain/Offset Adjustment (p. 15) BlackLevelSelector: offset control for for all taps or for each tap separately BlackLevelRaw: offset adjustment range: 0 ... 255 (integer) Instruction Manual SK2048VHA-4 © 2019-03 E... - Page 23 SCM even after a complete shut down or loss of power. Rev. 2.35 SkTestPattern: switch on test pattern, turns off with power off Instruction Manual SK2048VHA-4 © 2019-03 E...
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Page 24: Advanced Camera Control Functions
The parameter settings are stored in the non-volatile flash memory of the camera and are available after a rapid start-up, even after a complete shut down or loss of power. Gain/Offset Control dialog: Camera Control input and output in the right section Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 25: Set Commands
= 0 ... 1023 = 0 ... 255 Acknowledgement for all set commands: xxxx = 4 digits integer value as ASCII 0 = OK, 1 = not OK yyyyy = 5 digits integer value as ASCII Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 26: Advanced Synchronization Control
#1 and/or pixel #2 D7 = FRAME SYNC data. D6 = LINE SYNC A xxxxxx11 internal line counter (bit 7 ... 0) D5 = LINE SYNC B D4 ... D0 = line counter (bit 12 ... 8) Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 27: Example Timing Diagrams
• hysteresis = 0 Sync Control Register: '1110 0xxx'b • Trigger on 4 edges of SyncA and SyncB • direction detection = off • hysteresis = 4 Sync Control Register: '1110 1xxx'b drive holdup oscillation Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 28: Sensor Information
High-speed multiport readout, readout speed: 40 MHz max. x 4 ports • High CCD node sensitivity: 21 µV/e typ. • Anti-blooming function Application • Machine vision • High-speed image readout Device structure Schematic of CCD chip Instruction Manual SK2048VHA-4 © 2019-03 E... - Page 29 Sensor information Electrical and optical characteristics Ta = 25 °C, operating conditions: Typ., unless otherwise noted Spectral response (without window) Spectral transmittance of window matarial Instruction Manual SK2048VHA-4 © 2019-03 E...
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Page 30: Glossary
The worst value is the determining value. In a phased set-up, both are within the same range. Instruction Manual SK2048VHA-4 © 2019-03 E... - Page 31 0 and those above yielding 1. Only the pixel addresses of the location and threshold transition (from high→low or low→high) are transmitted, reducing data throughput. Thresholding is particularly appropriate for measuring widths or edge positions, by simply masking the required pixel addresses. Instruction Manual SK2048VHA-4 © 2019-03 E...
- Page 32 Instruction Manual SK2048VHA-4 © 2019-03 E...
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Page 33: Ce-Conformity
Instruction Manual may differ in detail from the system actually supplied. The Instruction Manual is not covered by an update service. Date of document publication: 08.03.2019 Schäfter+Kirchhoff GmbH Tel.: +49 40 853 997-0 Kieler Straße 212 Fax: +49 40 853 997-79 22525 Hamburg Email: info@SuKHamburg.de Germany Internet: www.SuKHamburg.com Instruction Manual SK2048VHA-4 © 2019-03 E... -
Page 34: Accessories
Extension rings L-Mount (M39x1/26" Leica) attachment threads M39x1/26" male/female ZR 10 Order Code 10 = Length 10 mm 15 = Length 15 mm 20 = Length 20 mm Ø 42 f8 L= Length 50 = Length 50 mm Instruction Manual SK2048VHA-4 © 2019-03 E...
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