Dalsa MotionVision CA-D6-0256W-ECEW Manuale utente

MotionVision®

CA-D6-xxxxW

High-Speed Area Scan Cameras

Camera User’s Manual

03-32-00225

rev 06

Printed 03/18/99 10:00 AM

2CA-D6-xxxxW User’s Manual

03-32-00225-06 DALSA INC.

CA-D6-xxxxW Camera User’s Manual Document Number 03-32-00225

Revision Level 06

reliable. No responsibility is assumed by DALSA for its use. DALSA reserves the right to make

changes to this information without notice. Reproduction of this manual in whole or in part, by

any means, is prohibited without prior permission having been obtained from DALSA INC.

About DALSA

DALSA specializes in the manufacture, design, research and development of high performance

solid state CCD image sensors and modular cameras. DALSA cameras provide the highest

spatial resolution at the highest data transfer speed of any known products in the industry.

DALSA’s CCD image sensors and cameras are used worldwide in document scanning, image

capture, surveillance, process monitoring and manufacturing inspection. DALSA also develops

customized products for specific customers and applications.

All DALSA products are manufactured using the latest state-of-the-art equipment to ensure

product reliability. All electronic modules and cameras are subjected to a 24 hour burn-in test.

For further information not included in this manual, or for information on DALSA’s extensive line

of image sensing products, please call:

North America

DALSA INC.

605 McMurray Road

Waterloo, ON,

CANADA

N2V 2E9

Phone: 519 886 6000

FAX: 519 886 8023

website: www.dalsa.com

Europe

DALSA GmbH.

Breslauer Str. 34

D-82194, Gröbenzell (Munich)

GERMANY

Phone: +49-8142-46770

FAX: +49-8142-467746

TURBOSENSOR™, QUIETSENSOR™, DDBS™, DOBS™ and DUBS™ are registered

trademarks of DALSA INC.

Schneider Optics and CORION are trademarks of their respective holders.

TM Our symbol represents a cross-section of the control circuitry basic to all

DALSA image sensors.

CA-D6-xxxxW User’s Manual 3

DALSA INC. 03-32-00225-06

CA-D6-XXXXWUSER’S MANUAL

Contents

1.0 Introduction to the CA-D6 5

1.1 Camera Highlights...........................................................................................5

1.2 Image Sensor..................................................................................................5

1.3 Camera Performance Specifications...............................................................7

1.4 CCD Camera Primer .......................................................................................8

2.0 Camera Hardware Interface 9

2.1 Installation Overview.......................................................................................9

2.2 Input/Output.....................................................................................................9

2.3 Connectors, Pinouts, and Cables..................................................................10

2.4 Power Supplies .............................................................................................11

2.5 User Bus (Inputs) ..........................................................................................12

2.6 Data Bus........................................................................................................15

2.7 Timing............................................................................................................16

2.8 Multi-Camera Operation................................................................................18

3.0 Optical and Mechanical Considerations 19

3.1 Mechanical Interface.....................................................................................19

3.2 Optical Interface............................................................................................20

3.3 EMC Operation..............................................................................................23

4.0 Troubleshooting 25

4.1 Common Solutions........................................................................................25

4.2 Specific Solutions..........................................................................................27

4.3 Product Support ............................................................................................29

Appendix A: EIA-644 Reference 31

Appendix B: EMC Declaration of Conformity 35

Index 37

4CA-D6-xxxxW User’s Manual

03-32-00225-06 DALSA INC.

CA-D6-xxxxW User’s Manual 5

DALSA INC. 03-32-00225-06

CHAPTER 1

1.0 Introduction to the CA-D6

1.1 Camera Highlights

•260x260 or 532Hx516V pixels, 10 µm square with 100% fill factor

•Frame transfer architecture and pixel resetno shutter required

•4 outputs at 25 MHz: frame rates to 955 or 262 frames/sec

•8 bit digital data in EIA-644 (LVDS differential) format

•Separate connectors for power, control and data

•“Snapshot” operation

•Vertical antiblooming

•Operation verified to limits set in EMC standards IEC 1000-4-2; 1995, 1000-4-3;

1995, 1000-4-4; 1995, and CISPR-22.

The CA-D6-xxxxW cameras use DALSA’s patented modular architecture. This

system of connecting circuit modules through standardized busses allows

DALSA to build a high performance modular camera using the reliability,

flexibility, and cost-effectiveness of high-volume interchangeable parts. Within

the camera, a timing board (PB-D6-X205) generates all internal timing and a

driver board (PB-D6-A198) provides bias voltages and clocks to the CCD image

sensor. Two A/D boards (PB-xxD344) process the video and an output board

(PB-xx-X733) filters the power lines.

1.2 Image Sensor

The CA-D6-xxxxW use the IA-D6 family of image sensors. Available in 260x260

and 532x516 arrays, the sensors have 10 µm square pixels with 100% fill factor.

The IA-D6 image sensors use a frame transfer architecture, providing on-chip

storage.

6CA-D6-xxxxW User’s Manual

03-32-00225-06 DALSA INC.

Figure 1. IA-D6-0256 Image Sensor

OS1

6 isolation CCD cells

4 CCD Readout Shift Registers

Note:

All readout shift registers have the same

clocks and output structure as OS1.

OS2

OS3

OS4

260 Columns

532 Columns

269 Rows

525 Rows

VPS

CRLAST

Figure 2. CA-D6 Camera Spectral Response

Responsivity[DN/(nJ/cm)]

Wavelength (nm)

0.2

1000

800600400 500 700 900

0.4

0.6

0.8

1.4

1.2

1.0

Responsivity

CA-D6-xxxxW User’s Manual 7

DALSA INC. 03-32-00225-06

1.3 Camera Performance Specifications

Table 1. CA-D6-xxxxW Performance Specifications

Calibration Conditions Units Min. Typ. Max.

Notes

Frame Rate (FVAL) Hz

256x256 Hz 955

512x512 Hz 262

Data Rate (STROBE) MHz 25

Halogen light source

Specification Units Min. Typ. Max.

Notes

Saturation Output Amplitude DN 243 248 254

Photoresponse Non-Uniformity (PRNU) DN (rms) 1.2 1.8

PRNU with exposure control DN (rms) 1.6 2.4

Fixed Pattern Noise (FPN) DN (rms) 0.5 0.75

Output Gain Mismatch DN 1.5 3.0

Mean Output Offset DN 4 5 8

Random Noise DN (rms) 0.45 0.75

Noise Equivalent Exposure pJ/cm2336

Saturation Equivalent Exposure nJ/cm2181.4

Responsivity DN/(nJ/cm2)1.34

Dynamic Range ratio 325:1 540:1

Supply Current (256/512)

+15.0 V mA 300/350 350/400

+5.0 V mA 900/1200 950/1300

+5.0 V mA 1000/1300 1050/1400

-5.0 V mA 200/230 250/280

Operating Temperature °C0 50

Notes

DN = digital numbers, also known as “levels” (0-255 for 8-bit systems).

All cameras use sensor grade 01. Other grades also available. Contact DALSA for information.

1. DC light source, bulb color temp 3150K, 750nm cutoff filter.

2. Measured at 20%, 50% and 80% of VSAT.

3. Measured at 50% of VSAT.

4. Unterminated outputs.

5. Terminated outputs.

Table 2. IA-D6 Sensor Cosmetic Specifications

Specification IA-D6 Grade

a Number of first & last columns excluded 1

bNumber of first & last rows excluded 1

c Max. # of single pixel blemishes 10

dMax. # of cluster blemishes 0

e Max. size of clusters (# of adjacent pixels) NA

fMax. # of column defects 0

g Blemish variation from mean at 50% VSAT ±10%

hBlemish variation from average dark level (DN) 5

8CA-D6-xxxxW User’s Manual

03-32-00225-06 DALSA INC.

1.4 CCD Camera Primer

How CCD Image Sensors Work

In a CCD camera such as the CA-D6-xxxxW, a CCD image sensor converts

photons (light) into electrons (electricity). When photons hit an image sensor, an

electron is released, and the sensor adds this electric charge to the charge it has

already collected. This is called charge integration. The brighter your light

source, the more photons available for the sensor to integrate, and the smaller

the amount of time required to collect a given amount of charge.

The way photosensitive elements (pixels)

on CCD image sensors collect charge has

often been compared to buckets filling

with water. From this analogy comes the

term “full-well capacity,” meaning the

maximum charge (number of electrons) a

pixel can hold without “spilling” charge

onto adjacent pixels.

As light energy hits an array of pixels, the pixels collect charge. At certain

intervals, a frame transfer sensor such as the IA-D6 transfers its collected charge

from the active, photosensitive region to a light-shielded storage region. Then it

transfers the charge, line by line, to one or more readout registers, which feed

each pixel’s charge from the image sensor into an output node that converts the

charges into voltages.

After this transfer and

conversion, the

voltages are amplified

to become the camera’s

analog output. In

digital output cameras,

the camera’s analog-to-

digital (A/D) board

converts voltages to

digital numbers (0-255

for 8-bit cameras).

These digital numbers

are what the camera

outputs as data to a framegrabber.

For more information on terms and concepts from the digital imaging industry, see

DALSA’s current Databook Glossary, CCD Technology Primer, and Application Notes.

CA-D6-xxxxW User’s Manual 9

DALSA INC. 03-32-00225-06

CHAPTER 2

2.0 Camera Hardware Interface

2.1 Installation Overview

In order to set up your camera, you should take these steps:

1. Decide on modes of operation—will you use USR_EN?

2. Test and connect power supplies.

3. Test and connect User Bus control signals from framegrabber.

4. Test and connect data signals output from camera.

You must also set up the other components of your system, including light

sources, framegrabbers, camera mounts, heat sinks, host computers, optics, and

so on.

2.2 Input/Output

10 CA-D6-xxxxW User’s Manual

03-32-00225-06 DALSA INC.

2.3 Connectors, Pinouts, and Cables

DB50F—Data BusOS1/OS2 and OS3/OS4

Camera connector uses crimp labeling convention for pin numbers

1( )

3( )

2( )

Crimp

label Solder

label

2( )

50( )

48( )

49( )

Mating Part: Amphenol 17D-D50P (solder pin) with shell 17-1657-50

Cable: 26 AWG 100Ωshielded twisted pair

Note on DB50 connectors: There are several standard ways to number the pins of DB50 connectors.

The connectors on the back of the camera use the “crimp” convention, but many shielded connectors

used to control EMI/EMC (including the Amphenol part listed here) use the “solder” convention. To help

you translate between numbering conventions, this pinout table lists both. The signals are located on the

same physical pins in both cases, but the STROBE pin is numbered 37 under the “crimp” convention and

13 under the “solder” convention.

Crimp

Label Solder

Label Signal Crimp

Label Solder

Label Signal Crimp

Label Solder

Label Signal

1 1 OSBD7 3 18 OS2D6 2 34 OS2D7B

4 2 OS2D6B 6 19 OS2D5B 5 35 OS2D5

7 3 OS2D4 9 20 OS2D3 8 36 OS2D4B

10 4 OS2D3B 12 21 OS2D2B 11 37 OS2D2

13 5 OS2D1 15 22 OS2D0 14 38 OS2D1B

16 6 OS2D0B 18 23 FVALB 17 39 FVAL

19 7 USR_EN 21 24 OS1D7 20 40 USR_ENB

22 8 OS1D7B 24 25 OS1D6B 23 41 OS1D6

25 9 OS1D5 27 26 OS1D4 26 42 OSID5B

28 10 OS1D4B 30 27 OS1D3B 29 43 OS1D3

31 11 OS1D2 33 28 OS1D1 32 44 OS1D2B

34 12 OS1D1B 36 29 OS1D0B 35 45 OS1D0

37 13 STROBE 39 30 LVAL 38 46 STROBEB

40 14 LVALB 42 31 not used 41 47 not used

43 15 not used 45 32 not used 44 48 not used

46 16 not used 48 33 not used 47 49 not used

49 17 not used 50 50 not used

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