Data Translation DT3145 Bedienungsanleitung
DT3145
UM-19603-B
User’s Manual
Second Edition
June, 2003
Data Translation, Inc.
100 Locke Drive
Marlboro, MA 01752-1192
(508) 481-3700
www.datatranslation.com
Fax: (508) 481-8620
E-mail: [email protected]
Copyright © 2003 by Data Translation, Inc.
All rights reserved. No part of this publication
may be reproduced, stored in a retrieval system,
or transmitted, in any form by any means,
electronic, mechanical, by photocopying,
recording, or otherwise, without the prior
written permission of Data Translation, Inc.
Information furnished by Data Translation, Inc.
is believed to be accurate and reliable; however,
no responsibility is assumed by Data Translation,
Inc. for its use; nor for any infringements of
patents or other rights of third parties which
may result from its use. No license is granted by
implication or otherwise under any patent rights
of Data Translation, Inc.
Use, duplication, or disclosure by the United
States Government is subject to restrictions as set
forth in subparagraph (c)(1)(ii) of the Rights in
Technical Data and Computer software clause at
48 C.F.R, 252.227-7013, or in subparagraph (c)(2)
of the Commercial computer Software -
Registered Rights clause at 48 C.F.R., 52-227-19 as
applicable. Data Translation, Inc., 100 Locke
Drive, Marlboro, MA 01752.
Data Translationand GLOBAL LABare
registered trademarks, and Imaging OMNI
CD, DT-Active Camera Link Frame Grabber,
and DT Vision Foundryare trademarks of Data
Translation, Inc.
All other brand and product names are
trademarks or registered trademarks of their
respective companies.
Radio and Television Interference
This equipment has been tested and found to comply with CISPR
EN55022 Class A and EN50082-1 (CE) requirements and also with the
limits for a Class A digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a
commercial environment. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in
a residential area is likely to cause harmful interference, in which case
the user will be required to correct the interference at his own
expense.
Changes or modifications to this equipment not expressly approved
by Data Translation could void your authority to operate the
equipment under Part 15 of the FCC Rules.
Note: This product was FCC-Certified under test conditions that
included use of shielded cables and connectors between system
components. It is important that you use shielded cables and
connectors to reduce the possibility of causing interference to radio,
television, and other electronic devices.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class A limits for radio
noise emissions from digital apparatus set out in the Radio
Interference Regulations of the Canadian Department of
Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques
dépassant les limites applicables aux appareils numériques de la class
A prescrites dans le Règlement sur le brouillage radioélectrique
édicté par le Ministère des Communications du Canada.
v
Table of Contents
About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Intended Audience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
What You Should Learn from this Manual. . . . . . . . . . . . . . . . . . vii
Conventions Used in this Manual . . . . . . . . . . . . . . . . . . . . . . . . viii
Related Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii
Where to Get Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
Principles of Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Video Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Camera Link Cameras Supported . . . . . . . . . . . . . . . . . . . . . . 4
Data Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Triggers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Area-Scan Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Line-Scan Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Controlling the Acquisition of Lines . . . . . . . . . . . . . 6
Controlling the Acquisition of Lines and Frames . . 7
Look-Up Tables (LUTs). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Acquiring Images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Acquisition Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Area-Scan Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Line-Scan Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Acquisition Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Data Transfer and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Displaying Images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Source Origin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Overlays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Contents
vi
Camera Control Output Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Expose Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Integrate Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Strobe Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
General-Purpose Output Signal . . . . . . . . . . . . . . . . . . . . . . . 20
Digital I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Appendix A: Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 23
Appendix B: Connector Pin Assignments . . . . . . . . . . . . . 27
J2 Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
STP15 Connectors and Screw Terminals. . . . . . . . . . . . . . . . . . . . 30
Appendix C: Values for Use with the DT-Active Camera Link
Frame Grabber Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
vii
About this Manual
This manual describes the features of the DT3145 frame grabber
board and provides technical reference information.
Intended Audience
This document is intended for engineers, scientists, technicians, or
others responsible for programming and/or using the DT3145 board
to perform machine vision and/or image analysis operations. It is
assumed that you have some familiarity with imaging principles and
that you are familiar with the operating characteristics of your
camera.
What You Should Learn from this Manual
This manual provides detailed information about the features of the
DT3145 board. It is organized as follows:
•“Principles of Operation,” describes all of the supported features
of the board.
•Appendix A, “Specifications,” lists the specifications of the
board.
•Appendix B, “Connector Pin Assignments,” describes the pin
assignments for the connectors on the DT3145 board and on the
STP15 screw terminal panel.
•Appendix C, “Values for Use with the DT-Active Camera Link
Frame Grabber Control,” lists the supported values for the
DT3145 and the DT-Active Camera Link Frame Grabber
Control.
• An index completes this manual.
About this Manual
viii
Conventions Used in this Manual
The following conventions are used in this manual:
• Notes provide useful information that requires special emphasis,
cautions provide information to help you avoid losing data or
damaging your equipment, and warnings provide information to
help you avoid catastrophic damage to yourself or your
equipment.
• Items that you select or type are shown in bold.
•Courier font is used to represent source code.
Related Information
Refer to the following documents for more information on using the
DT3145 board:
•DT3145 Getting Started Manual (UM-19601). This manual
(GS3145.PDF), included on the Imaging OMNI CD, describes
how to set up, install, and wire signals to the DT3145 board, how
to configure the DT3145 Device Driver, how to verify the
operation of the board, and how to troubleshoot issues with the
DT3145 board should they occur.
•DT-Active Frame Grabber Controls Getting Started Manual
(UM-19336). This manual (DTFG.PDF), included on the Imaging
OMNI CD, describes how to install, set up, and use the DT-Active
Frame Grabber controls (including the DT-Active Camera Link
Frame Grabber control) to develop imaging or machine vision
application programs using MicrosoftVisual Basic or
Microsoft Visual C++.
•GLOBAL LAB Image/2 User’s Manual (UM-17790). This manual
(GLIUM.PDF), included on the Imaging OMNI CD, describes
how to use GLOBAL LAB® Image/2 to create scientific
applications.
About this Manual
ix
•DT Vision Foundry User’s Manual (UM-17755). This manual,
available from Data Translation, describes how to use DT Vision
Foundryto create machine vision applications.
• Camera Link Specification, available from the Automated
Imaging Association (AIA) at http://machinevisiononline.org.
In addition, you may want to read other material in order to gain a
better understanding of image processing concepts, algorithms, and
their applications. The Data Translation Technical Support
Department recommends the following resources for understanding
image processing concepts, processing, and coding:
Baxes, Gregory A. Digital Image Processing, Principles &
Applications. New York: John Wiley & Sons, 1994.
Introduction to image processing and hardware/software
basics.
Benson, K. Blair, and Donald G. Fink. HDTV Advanced TV for the
1990's. New York: McGraw-Hill, 1990. Details high-definition
television concepts.
Castleman, K. R. Digital Image Processing. Englewood Cliffs, NJ:
Prentice-Hall, 1987. Explains major image processing
concepts and mathematical concepts involved in digital
image manipulation.
Gonzalez, Rafael C., and Paul Wintz. Digital Image Processing.
Menlo Park, CA: Addison-Wesley, 1987. Explains major
image processing concepts and mathematical concepts
involved in digital image manipulation, including FFT
processing, filtering operations, geometric functions,
histograms, and linear equalization.
About this Manual
x
Lindley, Craig. Practical Image Processing in C. Somerset, NJ: John
Wiley & Sons, Inc., 1991. Explains basic image processing
techniques using C, provides many programming examples,
covers TIFF and PICT file formats, and describes how to map
images into VGA memory space.
Luther, Arch C. Digital Video in the PC Environment. New York:
McGraw-Hill, 1991. Explains Digital Video Interactive (DVI)
technology.
Pratt, William K. Digital Image Processing. Somerset, NJ: John
Wiley & Sons, Inc., 1991. Detailed text on image processing,
including morphological processing, feature extraction,
image segmentation, and shape analysis.
Rosenfeld, Azriel, and Avinash C. Kak. Digital Picture Processing.
New York: Academic Press, Inc., 1990. Describes image
processing techniques and concepts.
Russ, John C. Computer-Assisted Microscopy, The Measurement
and Analysis of Images. New York: Plenum Press.
Watkinson, John. The Art of Digital Video. Stoneham, MA: Focal
Press, 1990. Provides an in-depth description of digital video
fundamentals.
Where to Get Help
Should you run into problems installing or using the DT3145 board,
the Data Translation Technical Support Department is available to
provide technical assistance. Refer to the DT3145 Getting Started
Manual for more information. If you are outside the U.S. or Canada,
call your local distributor, whose number is listed in your Data
Translation product handbook, or contact the Data Translation web
site (www.datatranslation.com).
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