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Cavitar C300 Operating Manual

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CAVITAR
Welding Camera C300
Operating Manual

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  • Page 1 CAVITAR Welding Camera C300 Operating Manual...

  • Page 2: Table Of Contents

    MAINTENANCE AND SERVICE INFORMATION ............. 39 SUPPORT AND END OF LIFE ....................40 LIMITED WARRANTY ......................41 Cavitar Welding Camera, model C300 (Cavitar product code A040) Operating Manual, Revision 1.1.0 © 2021 Cavitar Ltd. All rights reserved. All unauthorized copying strictly prohibited.

  • Page 3: Introduction

    1 Introduction Thank you for choosing Cavitar Welding Camera model C300 (later: Welding Camera)! Welding Camera is a Finnish quality product developed and manufactured by Cavitar Ltd. We hope that you will be satisfied with your product. Welding Camera is a highly compact and easy-to-use visualization system for the online monitoring of various welding processes, including MIG, MAG and TIG processes.

  • Page 4: Safety Information

    ONLY A PERSON, WHO HAS CAREFULLY READ AND UNDERSTOOD ALL SAFETY INSTRUCTIONS BELOW AND THE REST OF THIS OPERATING MANUAL, IS QUALIFIED FOR USING WELDING CAMERA. CAVITAR LTD. IS NOT LIABLE FOR ANY DAMAGE CAUSED BY THE IMPROPER USE OF WELDING CAMERA.
  • Page 5 It is not allowed to dispose Welding Camera as unsorted municipal waste. The system must be returned to your vendor or to Cavitar for proper disposal at the end of their life. Alternatively one can consult local, state and federal regulations for proper disposal.
  • Page 6 CERTIFICATIONS AND COMPLIANCE  Cavitar Ltd. is an ISO 9001:2015 certified company  CE declaration of conformity o Welding Camera, if installed and operated in accordance with the manufacturer’s instructions, is in conformity with the following European, harmonized and published directives and standards: ...

  • Page 7: Properties

    3 Properties Welding Camera C300 typically consists of the following components: CAMERA UNIT  laser aperture label  laser class 3R warning label  easy-to-replace protective window  mounting threads  integrated channels for air or liquid cooling POWER SUPPLY ...
  • Page 8 Table 3.1. Welding Camera specifications. Camera related Default working distance 200 mm (good image quality within ± 15 mm) Field of view (@ default working distance) approx. 40 mm x 30 mm Max resolution 1440 pxl x 1080 pxl Max frame rate (@ full resolution) Typically 70-75 fps (computer dependent) Max frame rate (with laser illumination) 100 fps...
  • Page 9 Heat dissipation measures are needed if the camera temperature (displayed in CAVITAR Capture software) exceeds 55 ºC. A warning message is displayed in CAVITAR Capture if the camera temperature reaches 57 ºC. The maximum camera temperature is 65 ºC and CAVITAR Capture stops image acquisition if this temperature is reached.
  • Page 10 Fig. 3.1. Camera unit (top view, fixed working distance version). Fig. 3.2. Camera unit (top view, adjustable working distance version). Fig. 3.3. Camera unit (front view). Fig. 3.4. Camera unit (back view).
  • Page 11 In Figs. 3.1-3.4: Laser aperture label Laser warning label (laser hazard symbol and explanatory label) Camera unit device label Working distance adjustment (optional feature, for more details see the separate document “Working distance adjustment instructions”) Protective window holder (rotate to change the replaceable protective window) Mounting threads (2x M4, see Fig.
  • Page 12 CAUTION!  Do not connect other than the supplied power supply to the camera unit.  Only connect the power supply to a wall socket with protective grounding.  Power supply can be disconnected from the mains supply by removing the power supply plug from the wall socket.

  • Page 13: Installation

    If applicable, please uninstall old software version completely before installing new software version! Insert the CAVITAR Capture software CD into the CD drive and run the setup file (if the setup doesn’t start automatically). In some cases it may be necessary to disable firewall and/or virus software. As an example, in Windows 10 the “Check apps and files”...
  • Page 14 Fig. 4.2. close all other applications and click “Next” to start installation. Fig. 4.3. Click “I Agree” to continue.
  • Page 15 Fig. 4.4. Select “Support for two cameras” if two systems will be used with the same computer. Welding Camera has GigE interface, so USB camera drivers are usually not needed. Click “Next” to continue. Fig. 4.5. Choose install location and click “Next” to continue.
  • Page 16 Fig. 4.6. Choose start menu folder and click “Install” to continue. Fig. 4.7. After installation is completed, click “Next” to continue.

  • Page 17: Hardware Installation

    Fig. 4.8. Select “Reboot now” and click “Finish”. 4.2 Hardware installation Installation of camera unit The camera unit should be mounted or clamped with an appropriate fixture in such a way that the object is located at the working distance of the camera unit. The mounting must enable as efficient conductive (low ambient temperature or heat load from process) or active (high ambient temperature or heat load from process) cooling of the camera unit as possible.
  • Page 18 (see Table 3.1 for more detailed specifications). If you feel uncertain about the correctness of the installation and/or about the suitability of the environment, please contact your vendor or Cavitar. Warranty does not cover damage caused by improper installation.
  • Page 19 WARNING!  Ensure that the locations of all operation and adjustment controls as well as other system components are such that neither the operator nor anybody else can be accidentally exposed to laser radiation. Pay special attention to the placement of camera unit and computer.

  • Page 20: Operation

    Welding Camera is operated with CAVITAR Capture software. Before launching CAVITAR Capture, ensure that possible firewall or virus protection programs do not prevent the use of CAVITAR Capture (Welding Camera contains a GigE camera with a GigE interface). In some cases the following actions may be needed: ...

  • Page 21: Registration

    5.2.1 Registration When starting CAVITAR Capture for the first time, registration procedure will start (see Figs. 5.1 – 5.5). Proceed by following the instructions and email the registration file to Cavitar. Fig. 5.1. Registration: step 1. Fig. 5.2. Registration: step 2.
  • Page 22 After receiving the registered file from Cavitar, start CAVITAR Capture. The screen shown in Fig. 5.1 will appear. Click “Load” and select the file sent by Cavitar. After this a notification appears (see Fig. 5.6) and CAVITAR Capture starts after pressing “OK” (see Fig. 5.7).

  • Page 23: Opening The Camera

    5.2.2 Opening the camera When CAVITAR Capture starts for the first time, it has to be connected with the camera. This procedure has to be repeated if a different camera is connected to the computer. However, as long as the same (previously selected) camera is connected to the computer, there should be no need to repeat this procedure.

  • Page 24: Overview Of Cavitar Capture

    5.2.3 Overview of CAVITAR Capture The typical graphical user interface (GUI) of CAVITAR Capture (after Start-button has been pressed) is shown in Fig. 5.10. The actual appearance of the GUI as well as the contents of the menus depend on the software version and selected features.
  • Page 25 The menus contain the following features (available features depend on software version): Open camera… File Close camera Open image… Save as… Exit View Show toolbar Show zoom tools Show preview fps buttons Show statusbar Show capture frame rate Show recording controls Show sources Show camera capture rate tune controls Show histogram...

  • Page 26: Camera Settings

    5.2.4 Camera settings After a connection to the camera has been established, it is time to adjust camera settings. To do this, select “Camera…” from “Settings” menu. This will open the window shown in Fig. 5.11 (the window shown in Fig. 5.12 can be opened by clicking “Image” tab). Fig.

  • Page 27: Image Adjustment

    “Image” tab (Fig. 5.12) contains the following features:  Bit depth (higher bit depth enables larger dynamic range but increases image file size)  Mode (different preset resolutions are available)  ROI (reducing the region-of-interest reduces image file size)  Binning (for reducing image file size and for increasing sensitivity) o Note: if 2x2 binning is applied, the exposure time must be set to at least 8 s in order to see laser illumination in the images.
  • Page 28 Gain can be applied in order to make the image brighter. However, large gain values will increase the noise in the images. Gain is typically applied if the original image is too dark. This can be the case with very dark or highly reflective metal surfaces. Gamma is a nonlinear correction tool that can increase the visibility of dark regions with respect to the brighter regions.

  • Page 29: Guidelines

    In Fig. 5.14 two bars are shown, but the number of bars can be also 3 or 4 (determined by selecting the desired value from the “Number of bars” field). By using 3 bars one can e.g. assign the actual grayscale range of 0…50 to be displayed on screen as grayscale range 0…150 and the actual grayscale range of 51…150 to be displayed on screen as grayscale range 151…255.
  • Page 30 Fig. 5.16. Guideline and grid properties.

  • Page 31: Calibration

    Guideline and grid properties window contains the following features:  Naming and rotation angle for horizontal guidelines  Naming and rotation angle for vertical guidelines  Calculation of distances between selected guidelines (up to 4 distances)  Options for how to display guidelines, guideline names and calculated distances on the screen ...
  • Page 32 Fig. 5.18. Calibration mode window. In calibration window the desired unit can be set (in Fig. 5.18 “mm” has been set). Calibration can be made based on measurement (as in Fig. 5.18 above) or as a conversion. Calibration based on measurement requires that two vertical and two horizontal guidelines have been placed to their correct positions (e.g.
  • Page 33 Fig. 5.19. Calibration data window. In order to enable the “Calibrate” button (in Fig. 5.19), all fields in the calibration data window need to be filled. When performing calibration for the first time, also the log file path has to be defined by pressing “Change file path” button. After all information has been successfully filled, the “Calibrate”...
  • Page 34 Fig. 5.21. View after calibration.

  • Page 35: Recording Settings

    5.2.8 Recording settings To define the recording settings, select “Recording…” from “Settings” menu. This will open the window shown in Fig. 5.22. The actual appearance of the window may depend on the software version in use. Fig. 5.22. Recording settings.

  • Page 36: Recording Images

    Recording settings contain the following features:  Saved images file format: available formats include .jpg, .bmp, .tif, .png and .webm  Saved images dynamic range: available options depend on Camera settings (larger dynamic range increases the size of the saved files) ...
  • Page 37 Fig. 5.23. Viewing recorded images. The image player controls for viewing recorded images as well as the “Export” button for saving the images to a desired location have been indicated in Fig. 5.23. It is also possible to move the slider with a mouse. If some or all of the recorded images need to be saved on a hard disk, the “Export”...

  • Page 38: Snapshot

    Fig. 5.24. Export window. In the export window it is possible to:  determine which frames will be saved o pressing “Mark start” will set the current image as the first image to be saved o pressing “Mark end” will set the current image as the last image to be saved ...

  • Page 39: Starting And Stopping Laser Illumination

    After operation the following procedure should be carried out: ensure that “Stop” button has been pressed (the camera is not taking images) exit CAVITAR Capture disconnect the power supply cable from AC mains If the system needs to be completely uninstalled, follow these steps:...

  • Page 40: Troubleshooting

    5.5 Troubleshooting Below are some instructions for solving certain situations if the system doesn’t appear to function as expected. If these instructions don’t help, please contact your vendor or Cavitar. Camera is not found by Windows  check control, power and GigE cables (cables intact and properly connected) ...

  • Page 41: Maintenance And Service Information

    (pay special attention to connectors). Other maintenance or service needs In case any other needs for maintenance or service appear, please contact your vendor or Cavitar (see Chapter 7 for more details).

  • Page 42: Support And End Of Life

    It is not allowed to dispose Welding Camera as unsorted municipal waste. The system must be returned to your vendor or to Cavitar for proper disposal at the end of their life. Alternatively one can consult local, state and federal regulations for proper disposal.

  • Page 43: Limited Warranty

    This limitation of liability does not apply to bodily injury or property damage for which Cavitar is held legally liable. In no event will Cavitar be liable for lost profits nor for incidental, consequential or other damages even if advised of the possibility of said damages.

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