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User´s Guide
LXC cameras (Camera Link
Document Version:
v1.3
Release:
07.11.16
Document Number:
11160995
)
®

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Summary of Contents for Baumer LXC-20M

  • Page 1 User´s Guide LXC cameras (Camera Link ® Document Version: v1.3 Release: 07.11.16 Document Number: 11160995...
  • Page 3: Table Of Contents

    7.3 Power saving Mechanisms ................... 17 7.4 LED Signaling ....................... 18 8. Product Specifications ..................19 8.1  Sensor Specifications ................... 19 8.1.1  Quantum Efficiency of Baumer LXC Cameras ..........19 8.1.2 Shutter ......................20 8.1.3 Digitization Taps .................... 20 8.1.4 Field of View Position ..................21 8.2 Timings ........................22 8.2.1 Free Running Mode ..................
  • Page 4 10.4.3 Add Defect Pixel / Defect Columns / Defect Rows to Defect pixel list ..40 10.5 Sequencer ......................41 10.5.1 General Information ..................41 10.5.2  Baumer Optronic Sequencer in Camera xml-file .......... 42 10.5.3 Examples ...................... 42 10.5.4  Capability Characteristics of Baumer GAPI Sequencer Module ....43 10.5.5 Double Shutter ..................... 44 10.6 Process Interface ....................
  • Page 5 12. Cleaning ........................58 12.1 Sensor ......................... 58 12.2 Cover glass ......................58 12.3 Housing ....................... 58 13. Transport / Storage ....................59 14. Disposal ........................59 15. Warranty Information ..................... 59 16. Conformity ......................60 16.1 CE ........................60 17.
  • Page 6: General Information

    1. General Information Thanks for purchasing a camera of the Baumer family. This User´s Guide describes how  to connect, set up and use the camera. Read this manual carefully and observe the notes and safety instructions! Target group for this User´s Guide This User's Guide is aimed at experienced users, which want to integrate camera(s) into a vision system.
  • Page 7: General Safety Instructions

    2. General safety instructions Observe the the following safety instruction when using the camera to avoid any damage or injuries. Caution Provide adequate dissipation of heat, to ensure that the temperature does not exceed +50 °C (+122 °F). The surface of the camera may be hot during operation and immediately after use. Be careful when handling the camera and avoid contact over a ...
  • Page 8: Camera Models

    5. Camera Models 5.1 LXC – Camera LXC-20M / C LXC-40M / C LXC-120M / C LXC-200M / C LXC-250M / C Sensor Full Frames Camera Type Resolution Size [max. fps] Monochrome / Color LXC-20M / C 2048 × 1088 2/3"...
  • Page 9: Dimensions

    5.2 Dimensions LXC-20M / C, LXC-40M / C 48,8 18,035 ±0,025 19,2 Pixel 0,0 47,95 4 x M3 x 6 43,05 8 x M3 x 6 38,45 LXC-120M / C, LXC-200M / C, LXC-250M / C 48,8 12 ±0,025 19,2...
  • Page 10: Lens Mount Adapter

    5.3 Lens Mount Adapter Notice LXC-20 and LXC-40 have a C-Mount interface only. Adapter M58 / F-mount (Art. No.: 11117852) ø F-Mount M58x0,75 Adapter M58 / M42x1-mount (26.8mm) (Art. No.: 11127232) ø M42x1 M58x0,75 Notice flange focal distance: 27 mm, ±0,25 mm suitable for Zeiss M42 lenses (e.g. Biogon T* 2.8/21 Z-M42-I, Biogon T* 2/35 Z-M42-I,  C Sonnar T* 1.5/50 Z-M42-I)
  • Page 11 Adapter M58 / M42x1-mount (45.5 mm) (Art. No: 11137781) ø M42x1 M58x0,75 Notice suitable for Zeiss (e.g. Distagon T* 2/25 Z-M42-I, Planar T* 1.4/50 Z-M42-I, Makro-Planar  T* 2/50 Z-M42-I) and KOWA M42 lenses (e.g. LM28LF P-Mount, LM35LF P-Mount) Adapter M58 / C-mount (Art. No: 11115198) ø ø C-Mount M58x0,75...
  • Page 12: Flange Focal Distance

    5.4 Flange Focal Distance 6. Installation Lens mounting Notice Avoid contamination of the sensor and the lens by dust and airborne particles when mounting the support or the lens to the device! Therefore the following points are very important: ▪ Install the camera in an environment that is as dust free as possible! ▪...
  • Page 13: Heat Transmission

    +50 °C (+122 °F) at temperature measurment point T. The surface of the camera may be hot during operation and immediately after use. Be careful when handling the camera and avoid contact over a  longer period. As there are numerous possibilities for installation, Baumer do not specifiy  a specific method for proper heat dissipation, but suggest the following prin- ciples: ▪ operate the cameras only in mounted condition ▪ mounting in combination with forced convection may provide proper heat dissipation ◄ Figure 2...
  • Page 14: Emergency Shutdown At Overtemperature

    6.2.1 Emergency shutdown at Overtemperature To prevent damage on the hardware due to high temperatures, the camera is equipped with an emergency shutdown. The DeviceTemperatureStatusTransitionSelector feature allows you to select different thresholds for temperatures: NormalToHigh: freely programmable value HighToExeeded: fixed value (camera shutdown if exceeded) ExeededToNormal: freely programmable value, temperature for error-free re-ac  tivation of the camera. In the DeviceTemperatureStatusTransition feature, the temperatures for the programma- ble temperature transitions are set.
  • Page 15: Mechanical Tests

    6.3 Mechanical Tests Tested with C-Mount adapter adapter and lens dummy. Environmental Standard Parameter Testing Vibration, IEC 60068-2-6 Search for 10-2000 Hz sinussodial Resonance Amplitude un- 0,75 mm derneath cross- over frequencies Acceleration Test duration 15 min (axis) 45 min (total) Vibration, broad IEC 60068-2-64 Frequency...
  • Page 16: Process- And Data Interface

    7. Process- and Data Interface 7.1 Pin-Assignment Interface Notice CL BASE The camera has two Camera Link sockets. To differentiate between ® Baumer Camera Link socket, please look at the label. Type: XXXXXx ® (xxxxxxx) You can not use the CL Medium / Full / EightyBit socket alone! CL FULL Camera Link Camera Link ®...
  • Page 17: Power Saving Mechanisms

    7.3 Power saving Mechanisms The camera is equipped with various power saving mechanisms to reduce the power consumption and to prevent excessive heating. 1. Set the sensor into idle state If no frame is requested for a specific time (idle time), the sensor is set into idle state. This  reduces the power consumption of the camera. The sensor is not set into idle state: ▪ in Sequencer Mode ▪...
  • Page 18: Led Signaling

    7.4 LED Signaling Figure 3 ► LED position Signal Meaning green on Power on, link good green blinking Power on, no link red on Error / Overtemperature Boot process  red blinking Warning (update in progress, don’t switch off) yellow Readout active...
  • Page 19: Product Specifications

    8. Product Specifications 8.1 Sensor Specifications 8.1.1 Quantum Efficiency of Baumer LXC Cameras The  quantum  efficiency  characteristics  of  monochrome and color matrix sensors for Baumer LXC cameras are displayed in the following graphs. The characteristic curves for  the sensors do not take the characteristics of lenses and light sources without filters into  consideration, but are measured with an AR coated cover glass. Values relating to the respective technical data sheets of the sensors manufacturer.
  • Page 20: Shutter

    Due to the fact that photosensitive area gets "lost" by the implementation of the circuit area, the pixels are equipped with microlenses, which focus the light on the pixel. 8.1.3 Digitization Taps The CMOSIS sensors, employed in Baumer LXC cameras are read out with 16 channels  in parallel. Figure 6 ► Digitization Tap of the Baumer LXC cameras ...
  • Page 21: Field Of View Position

    8.1.4 Field of View Position The typical accuracy by assumption of the root mean square value is displayed in the figures and the table below: ±X ±X LXC-20, LXC-40 ±X ±X ◄ Figure 7 Sensor accuracy of Baumer LXC cameras. LXC-120, LXC-200, LXC-250 Camera ± x ± y ± x ± y ± β M,typ M,typ...
  • Page 22: Timings

    (t ) is given by the particular sensor and image format. readout Baumer  cameras  can  be  operated  with  two  modes,  the  Free Running Mode and the Trigger Mode. The cameras can be operated non-overlapped or overlapped. Depending on the mode used, and the combination of exposure and readout time:...
  • Page 23: Trigger Mode

    8.2.2 Trigger Mode After a specified external event (trigger) has occurred, image acquisition is started. De- pending on the interval of triggers used, the camera operates non-overlapped or over- lapped in this mode. With regard to timings in the trigger mode, the following basic formulas need to be taken into consideration: Case Formula earliestpossibletrigger(n+1) readout(n) exposure(n+1)
  • Page 24 8.2.2.2 Overlapped Operation: t > t exposure(n+2) exposure(n+1) If the exposure time (t ) is increased from the current acquisition to the next acquisi- exposure tion, the time the camera is unable to process occuring trigger signals (t ) is scaled notready down.
  • Page 25 8.2.2.3 Overlapped Operation: t < t exposure(n+2) exposure(n+1) If the exposure time (t ) is decreased from the current acquisition to the next acquisi- exposure tion, the time the camera is unable to process occuring trigger signals (t ) is scaled notready When decreasing the t such, that t...
  • Page 26 8.2.2.4 Non-overlapped Operation If the frequency of the trigger signal is selected for long enough, so that the image acquisi- tions (t ) run successively, the camera operates non-overlapped. exposure readout Trigger triggerdelay exposure(n) exposure(n+1) Exposure Timings: A - exposure time frame (n) effective B - image parameters frame (n) effective...
  • Page 27: Software

    9. Software 9.1 Frame grabber with GenCP support The camera can be controlled via the GenCP/GenICam protocol. The SDK of some Cam- era Link frame grabber vendors directly supports this. Thus, only this SDK is required for  image acquisition and camera configuration. See compliance list for details which frame  grabbers support this. 9.2 Frame grabber without GenCP support The camera can be controlled via the GenCP/GenICam protocol. If  the SDK of the Cam- era Link frame grabber does not support the GenCP/GenICam protocol, the GenICam Reference implementation can be used for camera configuration.  Notice Latest software version and technical documentation are available at: www.baumer.com/vision/login (registration required)
  • Page 28: Camera Functionalities

    A digital camera usually delivers image data in at least one format - the native resolution of the sensor. Baumer cameras are able to provide several image formats (depending on  the type of camera). Compared  with  standard  cameras,  the  image  format  on  Baumer  cameras  not  only  in- cludes resolution, but a set of predefined parameter. These parameters are: ▪ Resolution (horizontal and vertical dimensions in pixels) ▪...
  • Page 29: Pixel Format

    10.1.2 Pixel Format On Baumer digital cameras the pixel format depends on the selected image format. 10.1.2.1 Pixel Formats on Baumer LXC Cameras Camera Type Monochrome LXC-20M ■ ■ □ □ □ □ □ □ LXC-40M ■ ■ □ □ □ □ □ □ LXC-120M ■ ■ □ □ □ □ □...
  • Page 30 RGB: Color  model,  in  which  all  detectable  colors  are  defined  by  three  coordinates,  Red, Green and Blue. White Black Figure 9 ► Green RBG color space dis- Blue played as color tube. The three coordinates are displayed within the buffer in the order R, G, B.  BGR: Here the color alignment mirrors RGB. YUV: Color model, which is used in the PAL TV standard and in image compression. In YUV, a high bandwidth luminance signal (Y: luma information) is transmitted ...
  • Page 31: Exposure Time

    The signal strength is influenced by the incoming amount of photons. It can be increased  by increasing the exposure time (t exposure On Baumer LXC cameras, the exposure time can be set within the following ranges (step size 1μsec):  Camera Type exposure exposure LXC-20M / C 30 μsec 1 sec LXC-40M / C 30 μsec...
  • Page 32: Hdr

    Expo2 exposure 10.1.6 Look-Up-Table The Look-Up-Table (LUT) is employed on Baumer monochrome cameras. It contains 2 (4096) values for the available levels of gray. These values can be adjusted by the user. Notice The LUT always calculates with 12 bit input and 12 bit output. In 8/10 bit mode, the lower bits of the input values are equal zero but can be spread to full 12 bit because of digital gain. Therefore, all values of the LUT have to be filled in. ...
  • Page 33: Gamma Correction

    10.1.7 Gamma Correction With this feature, Baumer LXC cameras offer the possibility of compensating nonlinearity  in the perception of light by the human eye. For this correction, the corrected pixel intensity (Y') is calculated from the original intensity of the sensor's pixel (Y ) and correction factor γ using the following formula (in over- original simplified version):...
  • Page 34: Multi-Roi

    10.1.8.1 Normal- ROI Readout (Region 0) For the sensor readout time of the ROI, the horizontal subdivision of the sensor is unim- portant – only the vertical subdivision is of importance. Notice The activation of ROI turns off all Multi-ROIs. Start ROI End ROI Figure 16 ►...
  • Page 35: Binning

    "Binning". Here, the charge carriers of neighboring pixels are ag- gregated. Thus, the progression is greatly increased by the amount of binned pixels. By  using this operation, the progression in sensitivity is coupled to a reduction in resolution. Baumer cameras support three types of Binning – vertical, horizontal and bidirectional. In unidirectional binning, vertically or horizontally neighboring pixels are aggregated and reported to the software as one single "superpixel".
  • Page 36: Decimation (Sub-Sampling)

    10.1.11 Decimation (sub-sampling) In this mode, the sensor is read out partially. Thus the frame rate is increased and the amount of data transferred is reduced. It is available for mono and color cameras. With color cameras, a color correct readout of the pixels takes place.
  • Page 37: Brightness Correction (Binning Correction)

    Super pixel carriers from four pixels in bidirectional binning. 10.2 Color Adjustment – White Balance This feature is available on all color Baumer LXC cameras and takes place within  the Bayer processor. White balance means independent adjustment of the three color channels, red, green and blue by employing of a correction factor for each channel.
  • Page 38: Analog Controls

    10.3 Analog Controls 10.3.1 Offset / Black Level On Baumer LXC cameras the offset (or black level) is adjustable. Camera Type 1 step = 4 LSB Relating to [bit] Monochrome LXC-20M 0 ... 63 LSB | 10 bit LXC-40M 0 ... 63 LSB | 10 bit  LXC-120M 0 ... 63 LSB | 10 Bit LXC-200M 0 ... 255 LSB | 12 Bit LXC-250M 0 ... 63 LSB | 10 Bit Color LXC-20C 0 ... 63 LSB | 10 bit LXC-40C 0 ... 63 LSB | 10 bit LXC-120C 0 ... 63 LSB | 10 Bit LXC-200C 0 ... 255 LSB | 12 Bit LXC-250C 0 ... 63 LSB | 10 Bit...
  • Page 39: Pixel Correction

    ◄ Figure 31 Charge quantity of "hot" and "cold" pixels compared with "normal" pixels. 10.4.2 Correction Algorithm On Baumer LXC cameras the problem of defect pixels is solved as follows: ▪ Possible defect pixels are identified during the production process of the camera. ▪ The coordinates of these pixels are stored in the factory settings of the camera. Once the sensor readout is completed, correction takes place: ▪ Before any other processing, the values of the neighboring pixels with the same  color on the left and the right side of the defect pixel, will be read out ▪...
  • Page 40: Add Defect Pixel / Defect Columns / Defect Rows To Defect Pixel List

    10.4.3 Add Defect Pixel / Defect Columns / Defect Rows to Defect pixel list As stated previously, this list is determined within the production process of Baumer cam- eras and stored in the factory settings. This list is editable. Additional hot pixels, cold pixels, defect columns or defect rows can develop during the lifecycle of a camera. In this case Baumer offers the possibility of adding their coordinates ...
  • Page 41: Sequencer

    10.5 Sequencer 10.5.1 General Information A sequencer is used for the automated control of series of images using different sets of parameters. ◄ Figure 33 Flow chart of sequencer. m - number of loop passes n - number of set repetitions o - number of sets of parameters z - number of frames per trigger...
  • Page 42: Baumer Optronic Sequencer In Camera Xml-File

    10.5.2 Baumer Optronic Sequencer in Camera xml-file “BOSequencer” The Baumer Optronic seqencer is described in the category  by the follow- ing features: Static Sequencer Features These values are valid for all sets. BoSequencerEnable Enable / Disable BoSequencerFramesPerTrigger Number of frames per trigger (z) BoSequencerIsRunning Check whether the sequencer is running...
  • Page 43: Capability Characteristics Of Baumer Gapi Sequencer Module

    (z) is set to 2. This means the camera records two pictures after an incoming trigger signal. 10.5.4 Capability Characteristics of Baumer GAPI Sequencer Module ▪ up to 128 sets of parameters ▪ up to 2 billion loop passes ▪...
  • Page 44: Double Shutter

    Trigger Flash Exposure Prevent Light Figure 37 ► Example of a double Readout shutter. On Baumer LXC cameras this feature is realized within the sequencer. In order to generate this sequence, the sequencer must be configured as follows: Parameter Setting: Sequencer Run Mode Once by Trigger Sets of parameters (o) Loops (m) Repeats (n) Frames Per Trigger (z)
  • Page 45: Process Interface

    The employment of a so called "IO matrix" offers the possibility of selecting the signal and the state to be processed. On the software side the input signals are named "Line0". state selection (software side) state high (Input) Line0 Line0 ◄ Figure 38 state low IO matrix of the Baumer  LXC  on  input  IO Matrix side.
  • Page 46 ("UserOutput1", "SequencerOut 0" or disabled ("OFF"). Line0 state selection signal selection (software side) (software side) FrameActive ExposureActive ReadoutActive state high TriggerReady (Output) Line 0 TriggerSkipped state low TriggerOverlapped UserOutput1 IO Matrix Timer1Active Timer2Active Figure 39 ► Timer3Active SequencerOutput0 IO matrix of the Baumer  LXC  on  output  side.
  • Page 47: Trigger Input / Trigger Delay

    Different trigger sources can be used here: 4.5V Line0 Figure 40 ▲ CC 1 Trigger signal, valid for Software Baumer cameras. Possible settings of the Trigger Delay: : Delay: 0-2 sec Number of tracked Triggers: Step: 1 µsec There are three types of modes. The timing diagrams for the three types you can see below. Normal Trigger with adjusted Exposure...
  • Page 48: Trigger Source

    10.7.1 Trigger Source Figure 41 ► Examples of possible trigger sources. Each trigger source has to be activated separately. When the trigger mode is activated, the hardware trigger is activated by default.
  • Page 49: Debouncer

    - user-defined debouncer delay for state high ◄ Figure 42 DebounceHigh - user-defined debouncer delay for state low Principle of the Baumer  DebounceLow debouncer. 10.7.3 Flash Signal On  Baumer  cameras,  this  feature  is  realized  by  the  internal  signal  "ExposureActive",  which can be wired to one of the digital outputs.
  • Page 50: Timer

    10.7.4 Timer Timers were introduced for advanced control of internal camera signals. On Baumer LXC cameras the timer configuration includes four components: Setting Description TimeSelector There are three timers. Own settings for each timer can be made . (Timer1, Timer2, Timer3) TimerTriggerSource This feature provides a source selection for each timer.
  • Page 51: User Sets

    User Sets 10.8 Three user sets (1-3) are available for the Baumer LXC cameras. The user sets can con- tain the following information: Parameter ChunkModeActive AcquisitionFrameRate ChunkEnable PixelFormat DeviceTapGeometry BlackLevel DeviceClockFrequency Gain LUTValue Gamma LUTEnable TestPattern HDREnable ReverseX BlackReferenceCorrectionEnable ReverseY FixedPatternNoiseCorrection DecimationX SensorEffectCorrection DecimationY ReadoutMode LineMode BoSequencerEnable LineStatus DefectPixelCorrection LineInverter ExposureTime LineSource BinningHorizontal TimerDuration BinningVertical TimerDelay TriggerMode TimerTriggerSource...
  • Page 52: Camera Link ® Interface

    Camera Link Interface ® The Camera Link  interface was specifically developed for cameras in machine vision ap- ® plications and provides high transfer rates and low latency. Depending on the configura- tion (Base, Medium or Full) the transfer rate adds up to 850 MBytes/sec. Cameras of the Baumer LXC series are equipped with a Camera Link Full interface and ® therewith able to transmit up to 850 MBytes/sec. 11.1 Channel Link and LVDS Technology Camera Link bases upon the Channel Link  technology, but provides a specification, that  ® ® is more beneficial for machine vision. Channel Link in turn is an advancement of the LDVS (Low Voltage Differential Signaling) ®...
  • Page 53: Camera Control

    According to the Camera Link standard four LVDS pairs have to be reserved for general- ® purpose camera control. They are defined as frame grabber outputs and camera inputs.  The definition of these signals is left to the camera manufacturer. Signal Baumer Naming Employment Camera Control 1 (CC1) CC1 Camera Control 2 (CC2) unused On Baumer LXC cameras, the wiring  of these signals is arbitrary. Camera Control 3 (CC3) unused Camera Control 4 (CC4) unused 11.2.3 Video Data...
  • Page 54 Signal Timing FVAL LVAL LVAL DVAL Description Value The time of FVAL High depends on line numbers The time from the rising edge of FVAL to the rising edge of LVAL The time of LVAL High depends on the CL TAP Format and pixel per line The time of LVAL Low 4 * clock cycle...
  • Page 55: Camera Link ® Taps

    "on-the-fly",  the  Camera  Link   standards  demands  the  specification  of  the  used  /  sup- ® ported tap geometries from the manufacturers of both, cameras and frame grabbers. 11.3.2.1 Single Tap Geometry For single tap transmission the cameras of the Baumer LXC series employ the 1X-1Y tap  geometry: ◄ Figure 44 Tap geometry 1X-1Y. The pixel information is transmitted pixel-by- pixel and line-by-line.
  • Page 56 11.3.2.3 Triple Tap Geometry For triple tap transmission the cameras of the Baumer LXC series employ the 1X3-1Y tap  geometry: Figure 46 ► Tap geometry 1X3-1Y. 11.3.2.4 Quad, Eight and Ten Tap Geometry For Quad, Eight and Ten tap transmission the cameras of the Baumer LXC series use the  same system. Figure 47 ► Tap geometry 1X4...10-...
  • Page 57: Chunk Data

    11.4 Chunk Data The chunk provides additional information about the respective image (e.g. the time- stamp). When using Baumer LXC cameras, this information is encoded into the last eight  pixels of the image. This additional information can include: Information Description CRC32 Delivers a checksum which ensures that the image is transmitted correctly. RegionID Delivers the ID of the Region (Multi-ROI)from which the image originates.
  • Page 58: Cleaning

    ▪ Swab ▪ Phillips screwdriver Procedure Make sure that the contamination is not on the sensor glass (except LXC-20M, LXC-40M) or the installed lens. Uninstall the lens mount adapter (except LXC-20M, LXC-40M). Uninstall the sensor glass (except LXC-20M, LXC-40M) using the phillips screw driver.
  • Page 59: Transport / Storage

    There are no adjustable parts inside the camera! In order to avoid the loss of warranty do not open the housing! Notice If it is obvious that the device is / was dismantled, reworked or repaired by other than Baumer technicians, Baumer will not take any responsibility for the subsequent perfor- mance and quality of the device!
  • Page 60: Conformity

    Baumer LXC cameras comply with: ▪ CE ▪ RoHS 16.1 CE We  declare,  under  our  sole  responsibility,  that  the  previously  described  Baumer  LXC  cameras conform with the directives of the CE (electromagnetic compatibility (EMC) 2004/108EC). Support If you have any problems with the camera, then feel free to contact our support.
  • Page 62 Baumer Optronic GmbH Badstrasse 30 DE-01454 Radeberg, Germany Phone +49 (0)3528 4386 0 · Fax +49 (0)3528 4386 86 sales@baumeroptronic.com · www.baumer.com...

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