LAVISION Davis 8.2 Manual

Camera shutter

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Product-Manual

Camera Shutter

Item-Number(s): 1108327

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Summary of Contents for LAVISION Davis 8.2

Page 1 Product-Manual Camera Shutter Item-Number(s): 1108327...
Page 2 Product-Manual for DaVis LaVision GmbH, Anna-Vandenhoeck-Ring 19, D-37081 Göttingen Produced by LaVision GmbH, Göttingen Printed in Germany Göttingen, September 23, 2013 Document name: 1003043_CameraShutter_D82.pdf...
Page 3: Table Of Contents
Contents Contents 1 Safety Precautions 1.1 Laser Safety ......1.2 Seizures Warning ......1.3 Camera / Image Intensifier Safety .
Page 4 Contents...
Page 5: Safety Precautions
1 Safety Precautions Before working with your system we recommend to read the LaVision following safety precautions. Observing these instructions helps to avoid danger, to reduce repair costs and downtimes and to increase the reliability and life of your system.
Page 6: Seizures Warning
1 Safety Precautions • Read and understand the instruction manual of the particular type of laser. Take special care with respect to laser emission, high voltage and hazardous gases if in use. • Declare a controlled access area for laser operation. Limit access to trained people.
Page 7: Camera / Image Intensifier Safety
1.3 Camera / Image Intensifier Safety • convulsions, eye or muscle twitching, loss of awareness, altered vi- sion, involuntary movements, disorientation To reduce the likelyhood of a seizure when operating a system: • Do not look directly at flashing light sources or on illuminated objects, e.g.
Page 8 1 Safety Precautions • Start measurements with the lowest laser power and a small aperture of the camera lens. • Increase laser power step by step and check the intensity on the cor- responding image. Make sure that the sensor does not run into satu- ration.
Page 9: Camera Shutter
2 Camera Shutter 2.1 Introduction PIV cameras in frame straddling mode typically work with different inte- gration times for the two frames (see camera manual for details). For this reason a 532 nm interference filter that is used in front of the camera lens is included in the PIV system to suppress the background light in the sec- ond frame.
Page 10: Shutter Driver
2.2 Shutter Driver For externally timed control the shutter driver is used. The LaVision driver can be controlled from a BNC input. With key selection the driver can be set in one of three modes, outlined below, depending on the application.
Page 11 Figure 2.3: Shutter driver for two camera shutters. Simple and straightforward controls allow the shutter driver to LaVision be easy to use and configure. The LED indicator reveal shutter status at a glance. • Shutter operation exposure determined by external pulse source.
Page 12 2 Camera Shutter...
Page 13: Wiring
3 Wiring Camera 1 Power Data Camera Camera Cable Shutter (Coax or FOL) Black BNC Ext. Trig. Blue BNC ShutterDriver Camera PTU Port A PTU Port B TTL I/O Printer Port Power COM1 COM2 Mouse Keyboard Computer Rear Panel Figure 3.1: Wiring of camera shutter and driver. •...
Page 14 3 Wiring...
Page 15: Davis Hardware Setup
Hardware Setup DaVis The settings in the Hardware Setup dialog are entered by LaVision plication specialists during production or installation of your system. These values should not be changed by the end user. Changing parameters may cause a malfunction of the system.
Page 16: Line Configuration
Hardware Setup DaVis the list of available hardware. Then click on the Camera Shutter entry in the Recording tree and define the polarity of the required trigger signal. This camera shutter (#1108326) needs a TTL trigger with negative polarity, please make sure that the Inverted trigger option is selected. 4.0.2 Line Configuration Using the Line Configuration card in the Recording tree of the Hard- ware Setup dialog you can declare the Camera Adapter type you are...
Page 17 A and the BNC cable with the Label: Cam Shutter is connected to the Pulse input socket on the shutter driver.
Page 18 Hardware Setup DaVis...
Page 19: Device Settings
5 Device Settings The timing for the camera shutter may be selected on the Camera Shutter card you can open using the Device button in the Recording dialog. Typical values for timing of the shutter are: • Open duration: 6 ms. •...
Page 20 5 Device Settings...
Page 21: Troubleshooting
6 Troubleshooting Shutter does not work Problem: Trigger signal is send, but shutter does not respond • Make sure that the TTL signal has negative polarity. • Use the Reset button on the shutter driver.
Page 22 6 Troubleshooting...
Page 23: Customer Service
LaVision In order to speed up your request please include following information: • The order number of your system (see section 7.1). • The number of the used dongle (see section 7.1).
Page 24: Customer Settings
DaVis used parameter can be extracted using the DaVis/Help/Create service file for LaVision Support menu. After you have selected this the system will write back all values for the relevant variables to an lsf-file. This procedure will take a while indicated by a Busy dialog.
Page 25: Log.txt
7.3 Log.txt from your software ( ). Send this lsf-file as #ordernumber_donglenumber.lsf attachment to the description of you problem by email to service@lavision.de. 7.3 Log.txt If you have a reproducible software problem in please generate a DaVis log-file. This file contains all functions you have called and all error messages that have been displayed after you have activated the log.
Page 26: Export Data Set For Support
7 Customer Service 7.4 Export data set for support Some problems can only be reproduced on images that contain particular information or artifacts. For error analysis it can be necessary to provide exemplary data that needs to be extracted from the corresponding project.
Page 27 Note: Files with a size of more than 20 MB should not be send by email. can provide a password protected location on a FTP server for LaVision data exchange with read and write access. Please contact for details. For the upload your local user account service@lavision.de...
Page 28: Camera Activity Logging
If you experience problems with camera behavior and contact support, you may be asked to generate LaVision a log file during camera operation and send it by email. You can use the camera activity logging by choosing the appropriate item in the Help menus.
Page 29: Shipment Of Defective Items
’CameraLog.txt’. 7.6 Shipment of defective items If some items need to be returned to GmbH for service or LaVision repair please contact the service to obtain a RMA (Return LaVision Material Authorization) number. Fill out the Shipment Cover Letter that...
Page 30 • Use the original boxes to avoid damages during transportation. • Remove cooling water from the laser! • Use antistatic bags for computer boards! • Ship returned items to: LaVision GmbH Anna-Vandenhoeck-Ring 19 D-37081 Goettingen Germany Note: Shipments received by...
Page 32 LaVisionUK Ltd LaVision, Inc. LaVision GmbH Downsview House/ Grove Technology Park Anna-Vandenhoeck-Ring 19 211 W. Michigan Ave., Suite 100 Grove, Oxon, Ox 12 9FF/ UK D-37081 Goettingen, Germany Ypsilanti, MI 48197, USA www.lavisionuk.com www.lavision.com www.lavisioninc.com Email: sales@lavision.com Email: sales@lavision.com Email: sales@lavisioninc.com Tel.: +44-(0)-870-997-6532...

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