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Model: TL-2048UFD
TAKENAKA SENSOR GROUP
TAKENAKA SYSTEM CO.,LTD.
□
H e a d O f f i c e
86-66 Nomizo-cho Otsuka Yamashina-ku 607-8135 Kyoto JAPAN
TEL:+81-75-593-9300 FAX +81-75-593-9790
□
C a m e r a D e p t .
4F Matsumasa Bldg.1-7-14 Ogaya Otsu-City Shiga-Pref. 520-2144 JAPAN
TEL:+81-77-545-4331 FAX +81-77-545-4335
□
Inspection System Dept.
86-66 Nomizo-cho Otsuka Yamashina-ku 607-8135 Kyoto JAPAN
TEL:+81-75-593-9300 FAX +81-75-593-9790
□
T o k y o O f f i c e
2F MK Bldg. 2-2-19 Sotokanda Chiyoda-ku 101-0021 Tokyo JAPAN
TEL :+81-3-3255-0361 FAX:+81-3-3255-0362
TAKENAKA SYSTEM CO.,LTD. URL http://www.takex-system.co.jp/
TAKENAKA SENSOR GROUP URL http://www.takex.co.jp/
Line Scan Camera
Instruction Manual
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Table of Contents
1. Outline ………………………………………………… 4
2. Features ………………………………………………… 4
3. Applications ………………………………….…………… 4
4. Specifications …………………………………… …………… 5
5. Camera I/O ……………………………… ……………… 6
6. Exposure control ……………………………………………… 7
Attached sheet
Internal SW configuration
Timing chart
External dimensions
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1. Outline
● CCD line scan camera with 2048 pixels of image sensor and of 40MHz data rate.
● Digital video signal (10 bit) and analog video signal (0 to 2.5V at 75Ω-terminated) are delivered at a time
as in the case of UFD series camera.
2. Features
● Restriction on the encoder signal specs is significantly relaxed as the asynchronous shutter function is
incorporated. Hence, clear images can be obtained even when the line speed of the object is not stable.
● Equipped with anti-blooming function.
● Sensitivity can be changed from 50 to 400 V/Lux·sec in 4 steps. (Factory default :100 V/Lux.sec)
● The equipment operates with a single DC12V power source.
● Best suited usage for different purposes is feasible as the GAIN setting can be changed in the x1 to x 8
sensitivity range.(1,2,4,8-fold).
● A pixel size is small enough (10μm×10μm) to capture high-definition images.
3. Applications
● Image input device for image processor
● Appearance inspection device
● Dimensional measurement device
● Surface inspection device for sheet-like object
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4. Specifications
Number of pixels
2048
Pixel size
10μm × 10μm
Photo array length
20.48 mm
Data rate
40 MHz
Scan rate
18 kHz Max.
Line transfer pulse input
55.5 μsec or more
Video output
Analog signal: 0 to 2.5V, 75Ω
Digital signal: 10bit (D0 to D9+, D0 to D9-)
Sensitivity
50 V/lx.sec
Saturation exposure amount
1.3 lx.sec (on the element)
Output ununiformity
3% Max. at 50% of saturation output (on the element)
Power supply
12 V ± 0.5 V (650 mA or less)
Weight
360 g
External dimensions
64 × 64 × 89 mm
Lens mount
Nicon F mount (Standard)
Pentax K mount (Optional)
Spectral Responsivity
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5. Camera I / O
5-1 Power source
The camera is powered through 15-pin connector.
Though ripple-free and stable power source is preferable, the switching supply is also employable. In general,
ripple voltage of a stabilized power source is approx.35mV, and approx.120mV for a switching supply. As
voltage ripple is added to video signals, S/N ratio degrades when ripple voltage is too large.
When two or more line scanners are connected to a single power source, be sure to keep cables from varying
extremely in length from others. When cable length varies greatly depending installation location of line
scanner and power source, dispersively set up multiple small-capacity power sources.
5-2 I/O connector
● POWER connector
The pin arrangement of the POWER connector and the signals assigned to those pins are shown in the
following table:
● DIGITAL OUT connector
The pin number of 36-pin connector and the I/O signals assigned to those pins are shown in the
following table:
● SYNC connector···Monitoring connector for internal SYNC.
Possible to monitor it with oscilloscope.
Signal level is TTL level.
Pin No.
Signal name
Pin No.
Signal name
1
SHIELD
9
NC
2
+12V
10
GND
3
GND
11
NC
4
NC
12
SYNC IN
5
SYNC+ IN
13
CLOCK IN
6
CLOCK+ IN
14
SYNC OUT
7
SYNC+ OUT
15
CLOCK OUT
8
CLOCK+ OUT
Pin No.
Signal name
I/O
Pin No.
Signal name
I/O
1
CLK+
Out
2
Clk-
Out
3
SYNC+
Out
4
SYNC-
Out
5
6
7
GND
8
GND
9
EX CLK+
In
10
EX CLK-
In
11
EX SYNC+
In
12
EX SYNC-
In
13
14
15
DO0+
Out
16
DO0-
Out
17
DO1+
Out
18
DO1-
Out
19
DO2+
Out
20
DO2-
Out
21
DO3+
Out
22
DO3-
Out
23
DO4+
Out
24
DO4-
Out
25
DO5+
Out
26
DO5-
Out
27
DO6+
Out
28
DO6-
Out
29
DO7+
Out
30
DO7-
Out
31
DO8+
Out
32
DO8-
Out
33
DO9+
Out
34
DO9-
Out
35
GND
36
GND
(Pin arrangement viewed from
the outside of the camera)
1
1 5
8
9
CLK········Pixel clock
SYNC······SYNC signal
DO0 ~DO9···Digital video output
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6. Exposure control
It can switch the exposure mode between three types of exposure modes by setting EXP switch on the rear
panel of the camera
① Line period exposure EXP setting N=0
Exposure during each period of EXT.SYNC
② Fixed time exposure EXP setting N=1~E
Exposure during the period of the equation below from the timing of leading edge of EXT.SYNC.
Exposure time=25.6μsec×N+40clk
③ Pulse width exposure EXP setting N=F
Exposure during the period of the pulse width of EXT.SYNC
Exposure time=H period of EXT SYNC+40clk-6clk
<EXP control switch>
F
Mode
Contents
LINE
FIX1
～
reading
Dial
0
1
～
FIX14
PULSE
Exposure during each period of EXT.SYNC
Exposure time：２５．６μｓ ｘ １＋１μｓ
～
Exposure time：２５．６μｓ ｘ １４＋１μｓ
Exposure during the period of the pulse width(H) of EXT.SYNC
E
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Internal SW configuration
(A) Sectional side view
PCB1-VR2 PCB2-CN6 PCB1-VR2 Anti-blooming adjustment volume
PCB2-CN6 Writing connector to ALTERA's chip
(B) Sectional side view
PCB2-SW1
PCB1-VR1
PCB2-SW1
OFF ON GAIN switch
1 to 3 of SW1
123GAIN
OFF OFF OFF
×1
ON OFF OFF
×2
OFF ON OFF
×3
ON ON OFF
×4
OFF OFF ON
×5
ON OFF ON
×6
4 to 7 of SW1(unused) OFF ON ON ×7
ON ON ON
×8
Enlarged view 8 of SW1
OFF：AUTO SYNC
ON：EXT SYNC
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TL-2048UFD Timing chart
【Line period exposure】 EXP switch：0
Ext_SYNC
Ext_CLK
Delay time of SYNC_OUT against Ext_SYNC↑：４４ｃｌｋ
SYNC_OUT（ΦP）
SYNC width：１０ｃｌｋ
CLK_OUT
DATA_OUT
Effective pixel start：４２ｃｌｋ
【Fixed time exposure】 EXP switch：1～E
Ext_SYNC
Ext_CLK
ΦA１２ｃｌｋ
１０ｃｌｋ
Exposure time
Exposure time：２５．６us ｘ N＋４０clk
SYNC_OUT（ΦP） SYNC width：１０ｃｌｋ
Delay time of SYNC_OUT against Ext_SYNC↑：２５．６us ｘ N＋４０clk+１０clk
CLK_OUT
DATA_OUT
Effective pixel start：４２ｃｌｋ
【Pulse width exposure】 EXP switch：F
Ext_SYNC
Ext_CLK
ΦA１２ｃｌｋ
６ｃｌｋ
Exposure time
Exposure time：H period of Ext_SYNC＋４０ｃｌｋ－６ｃｌｋ
SYNC_OUT（ΦP） SYNC width：１０ｃｌｋ
Delay time of SYNC_OUT against Ext_SYNC↑：４０ｃｌｋ
CLK_OUT
DATA_OUT
Effective pixel start：４２ｃｌｋ
＊・・・Time data are measured values at 40MHz data rate.
It depand on CLK period.
N：Setup value on EXP switch on the rear panel（1～E (Decimal：1～14)）
Measuring condition
・Ext-SYNC is synchronized with Ext-CLK.
・ Ext-CLK：４０MHｚ input（Intra-camera CLK：２０MHｚ）
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