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Phytec FireWire-CAM-001 Скачать руководство пользователя страница 1

A product of a PHYTEC Technology Holding company

FireWire-CAM-001
FireWire-CAM-002

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Содержание FireWire-CAM-001

Страница 1: ...A product of a PHYTEC Technology Holding company FireWire CAM 001 FireWire CAM 002 Manual 1st Edition...

Страница 2: ...TEC Messtechnik GmbH offers no guarantee nor accepts any liability for damages arising from the improper usage or improper installation of the hardware or software PHYTEC Messtechnik GmbH further rese...

Страница 3: ...ire Connection 16 2 2 2 Installation of a FireWire Interface Card Laptop 19 2 3 Installation of the Driver Software 21 2 4 Mounting a Lens 27 2 5 Starting Up the Camera with the Demo Program 30 2 5 1...

Страница 4: ...Components of a FireWire System 3 Figure 4 Rear View 8 Figure 5 Connecting the FireWire Cameras with the Computer PC 8 Figure 6 A 6 Pin FireWire Socket 11 Figure 7 FireWire and i LINK lLgos 12 Figure...

Страница 5: ...30 Mounting Plate 43 Figure 31 Attachment of the Mounting Plate 44 Figure 32 Mounting Options of the FireWire CAM 44 Figure 33 Block Diagram of the FireWire CAM 001 002 45 Figure 34 Test Pattern 49 F...

Страница 6: ...FireWire CAM 001 002 PHYTEC Messtechnik GmbH 2005 L 661e_1...

Страница 7: ...anual 1 1 Accessories For the operation of the camera you normally need some additional components You can obtain following material designed to be compatible with the camera from PHYTEC Figure 1 Fire...

Страница 8: ...h a cable you need a separate mains adapter for the power supply Please note that the full data rate is specified for a cable length of up to 4 5 m The usage of longer cables is possible but the data...

Страница 9: ...rt Up For the initial basic start up you usually need some further components besides the FireWire CAM itself These are partially dependent on the computer with which you use the camera In Figure 3 yo...

Страница 10: ...This will usually be the IEEE 1394 interface host controller of your computer PHYTEC provides several IEEE 1394 cables You can use any other cable alternatively if they comply with the IEEE 1394 stan...

Страница 11: ...s s IEEE 1394a interface DCAM 1 04 protocol WDM Stream Class driver included PHYTEC FireWire SDK included connection for C CS Mount lenses lens not included FireWire CAM 001 monochrome model black whi...

Страница 12: ...ra To avoid electric shocks do not remove neither screws nor the case There are no components in the camera that need user maintenance Maintenance work may only be carried out by qualified maintenance...

Страница 13: ...e mains adapter provided with the camera depending on supply option should not be used with other devices 1 5 Declaration of Conformity The cameras FireWire CAM 001 and FireWire CAM 002 meet the EC di...

Страница 14: ...ectly resp indirectly see Figure 5 with the computer PC Figure 4 Rear View Figure 5 Connecting the FireWire Cameras with the Computer PC Caution The terms In and DaisyChain specify the direction of th...

Страница 15: ...llows for a very convenient access to all features of the FireWire CAMs without the programmer having to become acquainted with the complexity of DirectX The SDK includes connections to several progra...

Страница 16: ...FireWire CAM 001 002 10 PHYTEC Me technik GmbH 2005 L 661e_1...

Страница 17: ...ease check which hardware version you are using and read on in the corresponding section Section 2 1 Hardware Installation on a Standard PC Section 2 2 Laptop Installation Section 2 3 describes the in...

Страница 18: ...lLgos Note The FireWire interface sometimes is also called i LINK or IEEE 1394 All signals and the supply voltage necessary for operating the camera are usually available on this socket Therefore onl...

Страница 19: ...the full data rate is specified only for a cable length of up to 4 5 m The use of longer cables is possible but the data rate will be reduced according to the bus specification This means that you po...

Страница 20: ...evice is not receiving voltage from any source Be aware that if this is not the case parts of the device can carry voltages at levels that could cause electrocution Remove the case of the PC usually s...

Страница 21: ...ns of stability and to ensure that the card has a safe bonding to the computer case see Figure 9 Close the computer s housing Reconnect the mains supply Do not yet connect the camera with the FireWire...

Страница 22: ...reWire Connection Check first if your computer is already equipped with a FireWire interface A laptop usually is provided with a 4 pin FireWire socket Figure 10 Figure 10 4 Pole FireWire Socket You wi...

Страница 23: ...the camera with electricity This cable has to feature a 6 pole plug on one end and a 4 pin plug on the other Figure 12 Figure 12 FireWire Connecting Cable 6 Pin 4 Pin Type Depending on the desired le...

Страница 24: ...ification This means that you possibly will not be able to use the full image resolution or frame rate The FireWire interface is hot plug compatible This means that you can connect and disconnect the...

Страница 25: ...tion 2 3 for installation of the driver 2 2 2 Installation of a FireWire Interface Card Laptop This step is only required if your laptop is not equipped with a FireWire interface In this case you will...

Страница 26: ...FireWire Connector Cable 6 pin 6 pin Type 4 5 m Order Nr WK096 4 5 Caution Although the interface card has 6 pin sockets the laptop will generally not provide a power supply for the camera Therefore...

Страница 27: ...l Refer to section 2 3 for driver installation 2 3 Installation of the Driver Software The appropriate software device driver has to be installed so that the camera can be addressed by the application...

Страница 28: ...ted and or the system may crash Connect the camera to your computer To install the driver the camera must be ready for operation Follow the instructions in the previous sections for this Insert the CD...

Страница 29: ...k GmbH 2005 L 661d_1 23 Click on FireWir CAM You will be taken to the installation menu for the PHYTEC FireWire Camera Select FCAM 001 002 Figure 16 and click on Install Driver Figure 16 Installation...

Страница 30: ...t the camera model that is connected to the FireWire interface This model should already be selected If no selection appears check to see if the camera is connected correctly and ready for operation T...

Страница 31: ...First Steps PHYTEC Messtechnik GmbH 2005 L 661d_1 25 Figure 18 Driver Installation Step 2 Figure 19 Driver Installation Compatibility Warning...

Страница 32: ...erent types PHYTEC FireWire CAM 001 and 002 on the same computer you have to perform the installation procedure for both cameras After the installation procedure has been performed on a computer you c...

Страница 33: ...quality There are a few recommendations for selecting an appropriate lens in section 3 2 The following paragraphs provide instructions on the connection of a lens The FireWire CAM 001 002 is compatib...

Страница 34: ...case the surface of the CCD sensor The pictures shown in Figure 21 illustrate the difference Figure 22 Flange Back Distances and Mountig of C Mount Top CS Mount Bottom Lenses In reality the mechanics...

Страница 35: ...should only be done if absolutely necessary If the picture is out of focus in all of the lens ranges please check to see if you have a C Mount lens use adapter ring or a CS Mount lens remove adapter...

Страница 36: ...program in the subfolder FireWireCAM001_002 Demo Amcap The program does not need to be installed You can start it simply by double clicking on the program symbol amcap exe The application will appear...

Страница 37: ...First Steps PHYTEC Messtechnik GmbH 2005 L 661d_1 31 Figure 23 The Program AMCap Figure 24 AMCap Select Device Figure 25 AMCap Activate Preview Function...

Страница 38: ...version FCAM 002 Is the software driver installed Is the correct camera model selected Was a color format selected with the settings Is your graphics card configured for more than 256 colors Is Direct...

Страница 39: ...options which can be adjusted via software from the computer The setting options are grouped in multiple dialogs menus Depending on the application the call of the dialogs can occur at various locati...

Страница 40: ...pears to be too low Changing the Capture Settings Setting in AMCap Options4Video Capture Filter 4Video Control This dialog enables you to adjust the image capture precisely to your image capture speci...

Страница 41: ...First Steps PHYTEC Messtechnik GmbH 2005 L 661d_1 35 Hint FireWire CAM 001 Activate the gamma correction to achieve a more balanced image Gamma Figure 27 Camera Setting Video Control...

Страница 42: ...eneral lighting impression to be adjusted to the application With Backlight Correction the auto exposure can also be adapted to unfavorable lighting conditions This is particularly advantageous if an...

Страница 43: ...e interference can result at this rate This occurs because light from lamps powered by mains frequency is not constant rather it pulses with the mains frequency This is particularly noticeable with fl...

Страница 44: ...FireWire CAM 001 002 38 PHYTEC Me technik GmbH 2005 L 661e_1...

Страница 45: ...se read the section 1 4 Important Notes Figure 29 Camera Connections Caution The identifiers In and DaisyChain describe the supply direction of the operating voltage In expects a voltage supply from a...

Страница 46: ...of the CCD chip the distance from the object and the focal length of the lens being used The screen window should be optimized so that the object being captured is always fully visible on the screen a...

Страница 47: ...lection of standard lens focal lengths can be found in our catalog and on our web site Please ask us about other available focal lengths Resolution How good will the picture resolution be for a given...

Страница 48: ...ure can be rendered in focus The M O D value is given in the lens data An input M O D 0 3m means that the object has to be at least 30 cm from the lens Often the camera has to be brought closer to the...

Страница 49: ...erture should only be closed as much as necessary to prevent noise in the picture In industrial applications it usually makes sense to be able to lock the selected aperture setting For this purpose so...

Страница 50: ...tached to the camera with four screws Figure 31 It can be connected to any side of the camera Figure 32 The attachment is therefore very flexible and can be easily adapted to a given application Figur...

Страница 51: ...The processing chain begins with the light that is reflected from the object This light shines through the lens and hits the CCD The analog picture signal is sent to an A D converter The converter giv...

Страница 52: ...sections the DCAM conformant parameters are marked 3 4 2 Camera Settings in Detail All camera parameters can be set over the IEEE 1394 Bus In order to access these install the camera and the included...

Страница 53: ...e taken from determines the current setting of the backlight correction This parameter can be set over the dialog Auto Exposure see section 3 4 2 3 Gain and shutter influece the picture in a similar m...

Страница 54: ...cial color interpolation see section 3 5 You can shut off this function if it is not required Gamma DCAM If gamma correction is switched on the camera will output the gray levels adapted to the non li...

Страница 55: ...o trace the cause of problems back to the lighting optics and the CCD or the signal processor The test pattern shows changes to the parameters Saturation White Balance Sharpness and Gamma It is not ef...

Страница 56: ...ge value is then compared to the exposure reference and if the Shutter or Gain do not match then it is modified The image area that the samples are taken from is determined by the current setting of t...

Страница 57: ...boring pixels to the right and left and replaces this gray level with a median value of all three The filter for non linear interpolation also compares the current pixel with its neighboring pixels If...

Страница 58: ...flickering in the image Note The occurance of interference at 30 Hz is normal Standard TV cameras in Europe always operate with the lower picture frequency of 25 Hz to avoid this type of interference...

Страница 59: ...nts of the three colors are placed alternatingly in front of the individual pixels of the CCD chip called Mosaic or Bayer filters Figure 36 demonstrates the function of this filter The small picture b...

Страница 60: ...Pattern Filter ColorSensor Figure 37 shows which spectral ranges actually represent the values R G and B If for example a G Pixel has a high brightness level this means that the light that hit this p...

Страница 61: ...r an RGB image The Bayer pattern model uses the spatial color interpolation to generate an RGB image from the neighboring color pixels Let s assume that we have an R pixel and we require the missing G...

Страница 62: ...FireWire CAM 001 002 56 PHYTEC Me technik GmbH 2005 L 661e_1 Figure 38 FireWire CAM 002 Band Elimination Filter...

Страница 63: ...a special requirement profile we recommend lenses from Schneider Kreuznach We will be happy to advise you on the selection of an appropriate lens 3 6 2 Lighting With image processing applications the...

Страница 64: ...ed parts attendance monitor or position monitor There are different variations of this method Problems that may occur with this procedure are uneven lighting reflection particularly on shiny surfaces...

Страница 65: ...lation to the object remains the same The light field lighting leaves the ranges of interest dark e g a drill hole in a workpiece The dark field lighting functions in the opposite manner Figure 40 The...

Страница 66: ...ground isn t too dark you can measure the object s cast shadow instead of the object edge Figure 41 Figure 41 The Shadow Projection Structured Light In place of the homogenous light described up to th...

Страница 67: ...toward the object The camera is positioned perpendicular to the object The picture therefore contains two parallel lines that are a distance d from one another This distance can be easily measured by...

Страница 68: ...ctures and is not dependent on the surface of the object With the silhouette projection the object is placed before a luminescent plate It is a diffuse lighting surface that lights the object from bel...

Страница 69: ...d to the picture requirements The individual parameters are listed in section 3 4 Camera Settings In the following paragraphs the settings used for typical automation and visualization applications ar...

Страница 70: ...le This guarantees the highest gray value dynamic Sharpness Adjust the sharpness of the picture according to the visual impression that it makes Be aware that too high of a Sharpness setting will also...

Страница 71: ...image portions are considerably different then you can compensate for this effect with another method of measurement This enables you to limit the measuring range to the relevant picture area Brightn...

Страница 72: ...rarely notice even relatively major color variations in light in the course of a day The camera can also adapt to color variations with the help of the Automatic White Balance If only the brightness...

Страница 73: ...htness as low as possible This guarantees the highest gray value dynamic Sharpness Adjust the image sharpness to the level you desire In automated applications you should try to set the sharpness to t...

Страница 74: ...FireWire CAM 001 002 68 PHYTEC Me technik GmbH 2005 L 661e_1...

Страница 75: ...ed image data streams as well as the camera parameter settings e g exposure time Driver The protocol is realized on the processor end with the help of a WDM Stream Class driver WDM stands for Windows...

Страница 76: ...X is a hurdle that shouldn t be underestimated Therefore PHYTEC offers a DirectX Wrapper in the FireWire SDK which enables easy access to all of the FireWire CAM s functions without requiring that the...

Страница 77: ...rs who have experience using DirectX can acces these drives directly using DirectX Programmers who are not experienced with DirectX can access the driver with the help of the PHYTEC FireWire SDKs The...

Страница 78: ...oaded for free from www microsoft com ddk It is also part of Microsoft s DirectX SDK which is available at www msdn microsoft com downloads default asp once on that page click on Downloads by Topic Gr...

Страница 79: ...onsidered a filter of this type and is located in the folder Video Capture Sources The filter parameters i e the camera settings can be modified by right clicking on the name of the filter in question...

Страница 80: ...FireWire CAM 001 002 74 PHYTEC Me technik GmbH 2005 L 661e_1...

Страница 81: ...mic Range ADC 10 bit Output 8 bit S N Ratio ADC 9 bit 25 C Gain 0 dB Optical Data Image Sensor AK060 Sony ICX 098BL AK061 Sony ICX 098BQ Type CCD Interline Transfer Progressive Scan Sensor Format 1 4...

Страница 82: ...in 0 36 dB Offset 0 511 Sharpness 0 255 Gamma 0 45 1 Color Saturation only AK061 0 100 White Balance only AK061 2600 9000 K Backlight Correction none circle averaged circle head and shoulders upper th...

Страница 83: ...Dimensions PHYTEC Messtechnik GmbH 2005 L 661d_1 77 6 Dimensions Figure 45 Dimensions...

Страница 84: ...FireWire CAM 001 002 78 PHYTEC Me technik GmbH 2005 L 661e_1...

Страница 85: ...Wire CAM 001 002 Document Number L 661e_1 1 Edition How would you improve this manual Did you find any mistakes in this manual page Submitted by Customer number Name Company Address Return to PHYTEC T...

Страница 86: ...Published by PHYTEC Messtechnik GmbH 2005 Ordering No L 661e_1 Printed in Germany...

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