Schäfter+Kirchhoff Monochrome Series Instruction Manual

Schäfter+Kirchhoff Monochrome Series Instruction Manual

Scan camera

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SK2048U3HA
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
SK2048U3HA
mounted with
2
Mounting bracket SK5105
3
Clamping claws SK5102
4
Video (CCTV)-objectiv
© 2019-07 E
info@SuKHamburg.de
www.SuKHamburg.com
3
1
2
1.0
Spectral
range
0.0
400
600
800
1000
Wavelength (nm)
4

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Summary of Contents for Schäfter+Kirchhoff Monochrome Series

  • Page 1 SK2048U3HA 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. Instruction Manual Sample Configuration CCD line scan camera...
  • Page 2: How To Use This Instruction Manual

    How to Use this Instruction Manual Please read the following sections of this Instruction Manual before unpacking, assembly or use of the Line Camera System: The safety warnings on this page Introduction to the system, page 4 Installation and Setup, page 6 Keep this Instruction Manual in a safe place for future reference.
  • Page 3: Table Of Contents

    Contents How to Use this Instruction Manual Safety Warnings Contents Introduction  ������������������������������������������������������������������������������������������ Intended Purpose and Overview System Setup at a Glance Computer System Requirements SK2048U3HA Line Scan Camera - Specifications Installation and Setup ������������������������������������������������������������������������������� Mechanical Installation: Mounting Options and Dimensions Electrical Installation: Connections and I/O Signals USB3 Connections and SkLineScan Software Installation SkLineScan Installation and Automatic Camera Driver Installation...
  • Page 4: Introduction

    Introduction Introduction Intended Purpose and Overview The SK line scan camera series is designed for a wide Once the camera driver and the SkLineScan ® program range of vision and inspection applications in industrial have been loaded from the SK91USB3-WIN CD then the and scientific environments.
  • Page 5: Computer System Requirements

    Introduction Computer System Requirements • Intel Pentium Dual Core or AMD equivalent • Operating Systems: Windows 7 / 8.1 / 10 (64 or 32-bit) or • RAM min. 4 GB, depending on the size of acquired Linux kernel 3.13 or higher images •...
  • Page 6: Installation And Setup

    Installation and Setup Installation and Setup Mechanical Installation: Mounting Options and Dimensions Mounting Options Optics Handling • The best fixing point of the camera is the collar • If the camera and the optics are ordered as a kit, for the mounting bracket SK5105 (available as an the components are pre-assembled and shipped accessory).
  • Page 7: Electrical Installation: Connections And I/O Signals

    Installation and Setup Electrical Installation: Connections and I/O Signals • The USB 3.0 interface provides data transfer, camera control and power supply capabilities to the SK2048U3HA line scan camera. If you want to operate the camera in Free Run (SK Mode 0) trigger mode the USB 3.0 cable is the only connection you have to make.
  • Page 8: Usb3 Connections And Sklinescan Software Installation

    Installation and Setup USB3 Connections and SkLineScan Software Installation This section is a quick reference for installing the SkLineScan adjustment and configuration software and to set up the USB3 camera driver. SkLineScan and the SkLineScan manual is provided for download on the Schäfter + Kirchhoff website under http://www.sukhamburg.com/support.html.
  • Page 9: Initial Function Test

    Installation and Setup 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. Instruction Manual SK2048U3HA ©...
  • Page 10 Instruction Manual SK2048U3HA © 2019-07 E...
  • Page 11: Camera Control And Performing A Scan

    Camera Control and Performing a Scan Camera Control and Performing a Scan Software: SkLineScan This section is a brief introduction to the SkLineScan adjustment and configuration software. A more detailed description is provided in the separate SkLineScan manual. The pdf is included in the SkLineScan installation package or is available for download from the Schäfter + Kirchhoff website under http://www.sukhamburg.com/ supporte.html.
  • Page 12: Visualization Of The Sensor Output

    Camera Control and Performing a Scan Visualization of the Sensor Output „ • Signal Window / Oscilloscope Display The signal window plots the digitalized brightness profile as signal intensity (y-axis) versus the sensor length (x-axis) at a high refresh rate. The scaling of the y-axis depends on the resolution of the A/D converter: The scale range is from 0 to 255 for 8-bits and from 0 to 4095 for 12-bits.
  • Page 13: Adjustments For Optimum Scan Results

    Camera Control and Performing a Scan Adjustments for Optimum Scan Results Prior to a scan, the following adjustments and parameter settings should be considered for optimum scan signals: • • Lens focussing Integration time • • Sensor alignment Synchronization of the sensor exposure and the object surface velocity, trigger •...
  • Page 14: Sensor Alignment

    Camera Control and Performing a Scan Sensor Alignment „ If you are using a linear light source, check the alignment of the light source and sensor before shading correction, as rotating the line sensor will result in asymmetric vignetting. Sensor and line lighting slightly twisted in Sensor and line lighting aligned in parallel, relation to each other, asymmetric vignetting symmetric vignetting...
  • Page 15: Shading Correction

    Camera Control and Performing a Scan Shading Correction „ Shading correction compensates for non-uniform illumination, lens vignetting as well as any differences in pixel sensitivity. The signal of a white homogeneous background is used as a reference. For correction, each pixel of the sensor is scaled to the intensity maximum with an individual factor (255 at 8 bit resolution and 4095 at 12 bit).
  • Page 16: Optimum Brightness Adjustment, Integration Time

    Camera Control and Performing a Scan Shading Correction Memories and API Functions As an alternative to the user dialog, a new shading correction reference signal can also be generated using API (Application Programming Interface) functions. The relationship between the memory locations and the related API functions are shown in the following figure.
  • Page 17: Synchronization Of The Image Acquisition With The Feed Rate Of The Object

    Camera Control and Performing a Scan Synchronization of the Image Acquisition with the Feed Rate of the Object „ A line scan camera produces a two-dimensional image by moving either the object or the camera. The direction of the translation movement must be orthogonal to the sensor axis of the line scan camera. In order to obtain an image with the correct aspect ratio, a line synchronous feed is required.
  • Page 18: Synchronization Modes

    Camera Control and Performing a Scan Synchronization Modes „ The synchronization mode determines the exact timing of the exposure. Synchronization can either be performed internally or triggered by an external source, e.g. an encoder signal. There are two different synchronization functions that can be applied together or individually: 1.
  • Page 19 Camera Control and Performing a Scan • 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 followed by a divider stage with which the trigger frequency can be divided by integer dividers.
  • Page 20: Advanced Camera Control Functions

    Advanced Camera Control Functions Advanced Camera Control Functions Camera Control by Commands In addition to user dialog inputs, the SkLineScan software also provides the option to adjust camera settings, such as gain, offset, trigger modes, by sending control commands directly. Similarly, current parameters, as well as specific product information, can be read from the camera using the request commands.
  • Page 21: Set Commands

    Advanced Camera Control Functions SLUT<CR> enable LUT Set Commands „ RLUT<CR> disable LUT Set Operation Description SNES<CR> enable NES (no EEPROM save) Goooo<CR> gain 1 setting 0-24 dB RNES<CR> disable NES (no EEPROM save) Boooo<CR> gain 2 setting 0-24 dB RESET<CR>...
  • Page 22: Advanced Synchronization Control

    Advanced SkLineScan Software Functions Advanced Synchronization Control The basic synchronization function makes use of the trigger input LINE SYNC A. The trigger mode is determined by the settings in the 'Camera Control' dialog, e.g. LineStart (1) or ExposureStart (4). Advanced trigger functions are provided by combining LINE SYNC A with a second trigger input LINE SYNC B. The operation mode is controlled by the entries in the Sync Control Register (SCR).
  • Page 23: Example Timing Diagrams

    Advanced SkLineScan Software Functions Example Timing Diagrams „ Annotations: SyncA = LINE SYNC A (external line synchronization input, I/O connector) SyncB = LINE SYNC B (external line synchronization input, I/O connector) Count = internal counter Trigger = Generated trigger pulses from the Trigger Control stage. The signal goes to the Trigger Divider stage inside the camera.
  • Page 24: Sensor Information

    Sensor information Sensor information Manufacturer: Hamamatsu Type: S12379 Data source: Hamamatsu CMOS linear image sensor S12379 Cat. No. KMPD1149E01 Feb. 2015 DN Features • 2048 pixels, pixel size: 8 x 8 µm² • High-speed multiport readout, readout speed: 40 MHz max. x 4 ports •...
  • Page 25 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 SK2048U3HA © 2019-07 E...
  • Page 26: Glossary

    Glossary Blooming The optical resolution of the line sensor is primarily determined by the number of pixels and secondarily by If by overexposure too many charge carriers are produced their size and spacing, the inter-pixel distance. Currently in one or several photosensitive elements (pixels) of the available line scan cameras have up to 12 000 pixels, line sensor, the transport register is „flooded“...
  • Page 27 SkLineScan is the software application from Schäfter + Kirchhoff for controlling and adjusting the line scan cameras,  Software: SkLineScan, section 3.1 Synchronization To obtain a proportional image with the correct aspect ratio, a line synchronous transport with the laterally correct pixel assignment is required.
  • Page 28 Instruction Manual SK2048U3HA © 2019-07 E...
  • Page 29: Ce-Conformity

    CE-Conformity Warranty 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 The product complies with the following standards and us for appropriate action.
  • Page 30: Accessories

    Software Software Software Order Code Order Code SK91USB3-WIN SK91USB3-LX SDK from Schäfter + Kirchhoff including the SKLineScan SDK from Schäfter + Kirchhoff including the SKLineScan operating program, as well as API, C++ class library and operating program, as well as libraries and examples. examples.

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