User manual

User manual
 PULNIX
TM-6701AN
DOUBLE SPEED
PROGRESSIVE SCANNING
FULL FRAME SHUTTER CAMERA
OPERATIONS 8
MAINTENANCE MANUAL
10/95
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TS A
1.
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Table of Contents
Features and Applications .....….……...umeesseeneeeseseennnünbünneèennnnbnnbMnnneennnnnnnnnnn 2
Miniaturization and Light Weight .........................e.e.0-0.eremresecer cece reer 2
Imager .........................irreeorreeoarconce reee eee oerraceeer ene oneceneecacecenereaaresn a reee eee 2
Asynchronous Reset ......................e.er.ererercerneccareocareon ooo eee eo aerea ercer eee. 2
Asynchronous Image Capturing ...................ee_.eemeseerreeren ear eo enero ne. 2
Integration .....................—..eeecerieerce rece nee reee ecc enero reee ae eee eee 3
VGA Display Output ...........................11ssur00r0err e DDD e e nrnecaneroocenerenenernes 3
Special Functions ........................e...+=erirrecer ie eee e e e eee eee eee eee erroneo. 3
Progressive Scanning ........................e....esec0eeriic re e II II TRITÉTITEÉETEI IZA 4
Specifications ...................-.=.ecocscceensencaaoner cane eee ene Ree ene nee eee ee reeeeeeeeeeccenen econo 5
IMAGES ...................rrrreccrererenmenserernanemerererensenneereerras aan aecen crea sense sencass ane cersen 0e 5
Camera ..…..…............rsreerenenenennes eeeroceucenvecececenenceacarea enana reee ee e reee. 5
Spectral Response .........................eeeivereerirec cenar eee Deer ene ne 6
External Connector and Switches ..................ee.e.+ececucenmeeriesnececceueeesasanenancaccaneacccnerene 6
12-Pin Connector ...........................secesmrececeecoreroneranenenearacececacecevenoneneerar race. 6
Shutter Control Switch .........................+...0000=rerrer erre ere e 7
Double Speed, Partial Scan Mode ..........................e00cccccccecereconeconerene carnes 7
Non-Interiace Black and White Monitors ........................-.......rereereniiene ee 7
Physical Drawing ...............ece===eccorececccccercecentece recaer corea nene eae eee enana cane ce reee. 8
Board Layout and Factory Setting .........—.............eesercoceccconsesoeooooeco enana nan ecana norencecccee 9
CCD Principle and Camera Operations ................e.ee==ccrcocorococccrnocene neto none ee 9
Substrate Drain Shutter Mechanism ..........................eeoncecorcircore scene eZ 9
Asynchronous Shutter ....................eeeeecereereierareceer erica eee reee eee 10
External Pulse Width Control Mode .........................e..eeeccceccineenee nee. 10
Internal Fast Reset Mode ............................0.00000crmicirec e RD eee e eee. 11
Internal Slow Reset Mode .....................e..e..+i0eererrcer eee e AD Ree 11
Pixel and Vertical Frame Output Timing ...............e.e.....==00ceu0ccenesercccosooenecacoce recerca 12
1. Features and Applications
The TM-6701AN is a state-of-the-art CCD camera which uses 1/2 inch progressive scan interline
transfer CCD imager. This CCD camera offers outstanding compactness, double speed scan,
asynchronous reset and electronic shutter, non-interlace 60 Hz analog video (VGA), partial scanning
and number of technical innovations. The camera's various features allow for versatile applications
such as high speed image capturing, machine vision, computer graphics, gauging, avionics,
microscopy, character and fine pattern recognition, document reading and high end surveillance.
Miniaturized and Light Weight
All PULNIX cameras are built with the same design principles:
* Solid state technology;
* Miniaturization;
* Specific application such as remote imagers and
special functions for various application needs;
* Robust design even for military applications.
Imager
The TM-6701AN uses 1/2" progressive scan interline transfer CCD with built-in micro-lens.
The reasons of such CCD are:
* High resolution (648H x 484V active pixels)
For very high resolution and image quality.
Square pixel (9.0 x 9.0 ym)
Precise dimensional measurement ability.
* High speed electronic shutter capability with
High dynamic resolution of moving object.
Electronic iris control.
Elimination of mechanical shutter.
* Progressive scan
Eliminates interlace deterioration of image
Ease of computer interface.
+ High sensitivity and low noise at fast scanning
Can drive faster than 25 MHz pixel clock rate.
Excellent S/N ratio (>50 dB).
Micro lens on chip.
* Partial scan capability
Allows 120 Hz two-row scanning,100 and 200 lines partial scan.
Asynchronous Reset
The TM-6701AN can be reset with an external reset pulse (VINIT).When VINIT is enabled at
Async mode, the camera keeps discharging from CCD. With the VINIT leading edge (negative going )
pulse, it resets the internal timing and starts integrating for the preset period of shutter timing
and outputs the async shutter video. This feature is especially important to capture the moving objects
at precise location of the field of view such as belt conveyer, fast event observation and still picture
capturing.
Async Image Capturing
The TM-6701AN captures async reset image and outputs the full frame video. It requires an
asynchronous resettable frame grabber to capture the async reset image.
Integration
The TM-6701AN is capable of outputting long term integrated images with high resolution. The
integration can be longer than 1/60 sec to a few seconds without significant noise. For uniform and low
noise integration, PULNIX offers a peltier cooled CCD option.
VGA Display Output
Since progressive scan cameras are no longer in TV format, the display of the video signal is only
achieved by using a frame grabber and computer or a special monitor. The TM-6701AN has a feature
of VGA output which scans 525 lines at 60 Hz non-interlace.
PULNiIX PVM1200 series monitors or equivalent B/W multi-sync monitor can display the non-interlace
images. Consult PULNIX for display monitor information.
Special Functions
* Asynchronous Reset Mode (Select switch on the back panel for ASY...async)
When External VINIT is high ( 5V), the TM-6701AN expects the async pulse input and the
video output is black video (output inhibit). It resets at the negative going pulse edge and
captures the frame regardless of the shutter speed (fast or slow mode). The video output is
kept disabled as CCD is discharged continuously during VINIT high. When the first VINIT pulse
comes in, it resets the timing and outputs the image. If the switch is NRM (normal mode....
manual shutter mode), the video output is real time with manual shutter.
Integration
The integration function is activated by keeping INTEG control(#11 of 12-pin connector) as
active low (TTL). During low, the TM- 6701AN keeps integrating and, upon the rising edge of
the INTEG control pulse, it outputs the frame.
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Progressive Scanning
Standard TV system scanning is 525 line interlace scanning as specified in RS170. Every other
horizontal line (ODD lines and EVEN lines) are scanned at a 60 Hz rate per field, and completes
scanning with two fields (one Frame) at 30 Hz rate. Because of the interlace scanning, vertical
resolution of CCD cameras is limited at 350 TV lines regardless of horizontal resolution. When
electronic shutter is applied, the CCD can hold only one field of charge at each exposure. Therefore,
the vertical resolution of the electronic shutter camera is only 244 TV lines. This is the same situation
even for HDTV format camera since it is interlaced scanning and the vertical resolution of shuttered
image is 500 lines. The TM-6701AN uses a state-of-the-art CCD called a "Progressive scanning
interline transfer CCD" which scans all lines sequentially from top to bottom at one frame rate (60Hz).
Like a non-interlace computer screen, it generates a stable and crisp image without alternating lines
and provides full vertical TV resolution of 484. The interline transfer architecture is also important to
generate simultaneous shuttering. This is different from a full frame transfer architecture which requires
a mechanical shutter or strobe light in order to freeze object motion. The TM-6701AN outputs the
progressive scanning image with electronic shutter in three different formats (see section 3 for external
switches setting):
+ Progressive Scanning Double Speed Output (Normal mode. Select N,O)
Straight forward signal output equivalent to non-interlace VGA format (60 Hz ). It is a real-time
double speed CCD output through normal analog video processing into 7502 1Vp-p output
format .
« Progressive Scanning 120 Hz Output (Rear switch: N, T)
The CCD signal of each rows are combined together to scan 242 lines. The frame speed is
therefore, 120 Hz of non-interlace video. The async reset, electronic shutter and integration
function works as normal. The analog output is the same as 752, 1Vp-p format at 120Hz rate.
This mode provides 120Hz scanning of full field of view but the vertical resolution is only 242
lines.
« Partial Scanning Output (Rear switch: P, T for 100 lines, P,O for 200 lines)
By setting the switch to 100 line partial scan, the TM-6701 AN outputs the bottom 100 lines of
video. it repeats the same lines at a rate of 222 frames/sec with the fast dump blanking of
unused lines. The asynchronous reset and electronic shutter functions are maintained at each
partial scan. By selecting 200 lines it outputs the bottom 200 lines of video at a rate of 130
frame/sec.. The partial scan keeps the same resolution as full progressive scan and only the
field of view is narrow.
Normal scan
VD | |
Partial scan
oa ate a te eT eT
VD (partial scan) Bottom
100 lines
Fast dump
ry
2. Specifications
Imager
imager
Total pixels
Photosensitive pixels
Photosensitive area
Pixel size
Output sensitivity
Micro lens
Blemish
Camera
Scanning
Sync
Pixel clock
TV resolution
Minimum illumination
S/N ratio
Video output
Display mode video
AGC
MGC
Gamma
Lens mount
Power requirement
Operating temperature
Vibration and shock
Size
Weight
Power cable
Power supply
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1/2" Progressive scan interline transfer CCD (with micro-lens)
694 (H) x 496 (V)
648 (H) x 484 (V) 24 + 8 ob(H), 4 +8 ob (V)
5.83 (H) x 4.36 (V) mm
9.0 (H) x 9.0 (V) pm
12 pV/e-
Standard
Point defect Cluster Column
Class 0 No defect 0 0
Class 1 <5 0 0
Class 2 <10 <4 <2
Class 3 <20 <8 <4
525 lines 60 Hz ( double speed mode )
Internal / External auto switch
HD / VD, 4.0 Vp-p impedance 4.7 KQ
fHD = 31.468 KHz
fVD = 60 Hz
25.49MHZ
500 (H) x 484 (V)
2.0 lux, f = 1.4 without IR cut filter
50 dB min. AGC = Off
Analog 1.0 Vp-p composite video, 75 , sync negative
Non-interlace
Analog only fHD = 31.468 KHz, fVD = 60 Hz (VGA)
On / Off (off = std )
Manual gain adjustable ( 6 dB to 26 dB )
0.45 or 1.0 (1.0=std)
C-mount.
12 V DC 500 mA
-10° Cto 50° C
Vibration:: 7G (200 Hz to 2000 Hz), shock: 70G
45.8mm x 39.4mm x 144.6mm (1.80" x 1.55" x 5.69")
260 grams (9.207)
12P-02
K25-12V or PD-12
Spectral Response
1
| | N
Peak quantum efficiency: 38%
0
EN
/ N
0
O.
0.
o
/ N
/ N
0.5
| N
0.4
Relative Sensitivity
0.2
0.1
0
0.3
>
ha
——
300 400 500 600 700 800 900 1000 1100
Wave Length (nm)
3. External Connector and Switches
12-PIN Connector
ll — —
No
© о мно AWN
. Integration Control
. GND
GND
+12V DC
GND
Video Out (“Pixel Clock Output)
GND
VINIT in
Vo in (“VD OUT)
GND
Ho In (*HD OUT)
GND
* Standard OP-7-2 for TM-6701AN cameras.
Shutter Control Switch
Manual shutter mode Async reset mode
0 no shutter no shutter
1 1/125 1.0H 1/32000
2 1/250 2.0H 1/16000
3 1/500 40H 1/8000
4 1/1000 8.0H 1/4000
5 1/2000 16H 1/2000
6 1/4000 32H 1/1000
7 1/8000 64 H 1/500
8 1/16000 128H 1/250
9 1/32000 Pulse width control SH CONTROL
Mode 0: Normal mode
Mode1-4: Fast mode
Mode5-8: Slow mode
Mode 9: Pulse width mode
Double Speed, Partial Scan Mode
One of the advantages of the TM-6701AN is the fast scanning mode. Although normal
progressive scanning frequency is too slow to display on a TV monitor, the double speed output allows
the analog video format at 31.5 KHz horizontal, 60 Hz vertical frequency be displayed by VGA
monitors. For various speed scanning, select switches on the back panel for double speed, 120 Hz
two-row scan, 100, 200 partial scan.
SHUTTER \ Normal mode: N O (60 Hz progressive scan)
ADN AE Doubl NOT (120 Hz tw
8 x A Em ouble scan: Z two row scan
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654 MAN PT
100 line scan: P O (222 Hz progressive scan)
200 line scan: P T (130 Hz progressive scan)
\ p Note: N-normal;
P-partial;
O-one hundred lines;
T-two hundred lines
Non-interlace B/W Monitors
PULNIX offers non-interlace monitor (42-5002).
PVM942 /1242 or equivalent model can be used for TM-6701AN's various display mode.
For the standard operation, including RS-170 interlace, 60 Hz non-interlace, 30 Hz non-interlace and
120 Hz non-interlace (two-row scanning mode of TM-6701AN), it displays as normal.
For the partial scanning display, it extends the vertical to fill the monitor screen and the images will be
distorted vertically.
4. Physical Dimensions
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Top Board Factory Setting
W1 AGC/MGC MGC (Closed to Right)
W2 Gamma 1.0 (Closedto Top)
W3 A/B selection Select A
W4-W9 CDS pulse delay adjustment
W10,W11 Partial scan mode selection
VR1 AGC Set at 2.0 V
VR2 MGC Control from back plate
VR3 AGC MAX Setat2.5V
VR4 PED Set at 50 mV of video
VRS RG Factory adjustment only
6. CCD Principle and Camera Operations
Substrate Drain Shutter Mechanism
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Bottom Board Factory Setting
VR1
VR2
VD phase adjustment
PLL adjustment
Normal operation requires the CCD chip to construct an individual potential well at each image cell.
The potential wells are separated from each other by a barrier. The barrier is sequentially removed to
transfer the charge from one cell to another by pixel clock. This is the basic principle of CCD operation
for charge transfer. The substrate drain vertically moves the charges. When excess potential is applied
to substrate underneath each cell, a potential barrier is pulled down to release the charge into the drain.
This can happen to all the cells simultaneously, whereas normal CCD shuttering is achieved with a
horizontal charge shift to the drain area by interline transferring or reverse transferring of the frame
transfer chip.
Photo cell potential distribution
Surface
CCD surface
Si substrate
Asynchronous shutter
For Async Shutter mode, select "ASYN" rear switch of the back plate and provide external HD for
phase locking. When the negative going reset pulse is applied, the camera will latch the falling edge to
its next horizontal drive and reset vertical sync timing immediately. Therefore, the horizontal phase
won't be interrupted. The TM-6701AN asynchronous camera outputs a full frame of shuttered video in
progressive scanning format.
ASYNC RESET
VINIT |Г
vo || Li | || || ||
SG (TRANSFER GATE) |
DISCHARGE PULSE |
VIDED =, em = Y LI UI
OLD VIDEO SHUTTER
VIDEO
External Pulse Width Control Mode
For External Pulse Mode, set dial switch to "9". Apply an external VINIT pulse width signal to the
camera, and the internal reset pulse will be latched at 9th HD from external falling edge
pulse. CCD discharge pulse is generated to clear the images, and it always occurs until 9H at the
external falling edge pulse. The internal VINIT resets internal timing including the video sync.
The shutter speed (exposure time) is same as the external pulse width, X, but there is a 9H integration
delay from the falling edge (for immediate reset option, please contact PULNIX). One frame of video
output will start from the rising edge of the pulse width control for progressive format. At async mode,
with external pulse input high, the video output is disabled as the camera keeps discharging CCD
image and only provides black video.
External | X |
Pulse Width © | ~~
«TT
Internal
Vinit
|
|
Transfer
Gate Pulse
T
Y
A
>
Discharge
Pulse |
Video AO
Output
7. Pixel and Vertical Frame Output Timing 10
ii all he
internal Fast Reset Mode
For Internal Fast Reset Mode, set 10-position dial switch from "1" to "4". When fast reset mode is
selected, the camera resets with internal VINIT timing, which is latched to Hd, and video output is also
synchronized with internal VINIT timing without further delay. The shutter speed is controlled by the dial
switch.
External
Pulse
Hd
Internal
Vinit
Transfer
Gate Pulse
Discharge
Pulse
Video
Output
|
pe ен —|
|
— + Exposure Time
+
A AARAAAMAF
Internal Siow Reset Mode
With the Internal Slow Reset mode selected, the camera operates the reset and shutter in the same
means as the external Double Pulse mode. When external VINIT pulse is applied, internal VINIT is
latched to Hd and the second internal VINIT signal is generated to set up the shutter speed period.
The shutter speed is controlled by setting the dial switch from "5" to "8". Video output timing starts
right after the second internal VINIT. For the timing of the second internal reset, LPULSE output of
31-pin connector can be used.
External
Pulse
Hd
Internal
2H min.
Vinit
Transfer
Gate Pulse
Discharge
y
À
Puise
Video
Output
11
Pixel Mapping
TM-6701 PIXEL MAPPING
HORIZONTAL RESET
ll “1 ’
| ¥ TOTAL CLOCK PER 1H » 810
I
1
—- Dummy
83 2 4 Os. $ ph - DUMMY 08. EG - ACTNE PIXEL $
16 N \
CCD OUTPUT
10
11
PIXEL CLOCK
CCD LINE CONTENT
ad 1 1 1 (37 111
3
ACTIVE PIXEL
| TOTAL HORIZONTAL SCANNING = 525H
HORIZONTAL LINES |
4 40.8. ВОВ, +——————.——— 484 ACTIVE PIXELS 3
Ц + © —
Л
VIDEO OUTPUT
BLANK = 42H
xr 3H зн 36H
NORMAL MODE A 11
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Li
120Hz Tworowr Scan brash adidas Las i l 1/2" 3/4 56
474 476 478 480 482 384
| . 36H —
ETA 3H 3H E ri af
100LINE SCAN i |
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479 4808 481 422483 1484 285 287
12
Notice
The material contained in this manual consists of information that is proprietary to Pulnix America, Inc, and may only
be used by the purchasers of this product. Pulnix America, Inc. makes no warranty for the use of its products and
assumes no responsibility for any errors which may appear or for damages resulting from the use of the information
contained herein. Pulnix America, Inc. reserves the right to make changes without notice.
Warranty
All our solid state cameras have a full three year warranty. If any such product proves defective during this warranty
period, Pulnix America, Inc. will repair the defective product without charge for parts and labor or will provide a
replacement in exchange for the defective product. This warranty shall not apply to any damage, defect or failure
caused by improper use or inadequate maintenance and use.
Revised Printing: October 1995
Pulnix America, Inc.
1330 Orleans Drive,
Sunnyvale, CA 94089
Tel: (408) 747-0300
te: 445-5444
Fax: (408) 747-0880
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