JAI Security Camera CV M50IR User Manual

Industrial Monochrome CCD Camera  
CV-M50IR  
Oper at ion Manual  
(Rev.F)  
 
CV-M50IR  
Table of Contents  
Table of Contents ....................................................................................................................................... 2  
1. General................................................................................................................................................ 3  
2. Standard Composition......................................................................................................................... 3  
3. Main Features ..................................................................................................................................... 3  
4. Locations and Functions ..................................................................................................................... 4  
5. Pin Assignment ................................................................................................................................... 5  
5.1. 12-pin Multi-connector (DC-IN/ SYNC.) ...................................................................................... 5  
5.2. 6-pin Multi-connector (TRIGGER) .............................................................................................. 5  
6. Functions and Operations ................................................................................................................... 6  
6.1. Input/ Output of HD/ VD Signal ................................................................................................... 6  
6.1.1. Input of External HD/ VD Signal ..................................................................................... 6  
6.1.2. Output of Internal HD/ VD Signal ................................................................................... 6  
6.2. Normal Shutter Mode ................................................................................................................ 6  
6.3. External Trigger Mode ............................................................................................................... 6  
6.3.1. Edge Pre-select Mode ................................................................................................... 6  
6.3.2. Pulse Width Control Mode ............................................................................................. 8  
6.3.3. Start/ Stop Trigger Mode .............................................................................................. 10  
6.3.4. Long Time Exposure Mode ........................................................................................... 12  
7. Mode Setting ...................................................................................................................................... 14  
7.1.1. SW1 Switch on the Rear Panel ...................................................................................... 14  
7.1.2. Table for SW 1 Setting ................................................................................................... 14  
7.1.3. Table for Shutter Time .................................................................................................. 14  
7.1.4. Ext. Trigger Shutter Mode ............................................................................................. 15  
7.1.5. Trigger Select ............................................................................................................... 15  
7.1.6. CD Accumulation .......................................................................................................... 15  
7.1.7. Scanning System.......................................................................................................... 15  
7.1.8. Gamma Correction ....................................................................................................... 15  
7.1.9. Gain Control ................................................................................................................. 15  
7.2. SW2 on PK8057 Board .............................................................................................................. 15  
7.3. Jumper Settings ........................................................................................................................ 16  
7.3.1. Jumper on PK8054 Board .............................................................................................. 16  
7.3.2. Jumper on PK8057 Board .............................................................................................. 16  
7.3.3. Pixel Clock Output ........................................................................................................ 16  
7.4. Location of SW2 and Jumpers ................................................................................................... 17  
7.4.1. Board PK8054 Side B .................................................................................................... 17  
7.4.2. Board PK8057 Side A .................................................................................................... 17  
8. Adjustment of Video Signal Output Level .......................................................................................... 18  
9. External Appearance .......................................................................................................................... 19  
10. Specifications .................................................................................................................................... 20  
10.1. Spectral Sensitivity.................................................................................................................. 20  
11. Appendix ............................................................................................................................................ 21  
11.1. Precautions .............................................................................................................................. 21  
11.2. Typical CCD Characteristics ...................................................................................................... 21  
12. Disclaimer ......................................................................................................................................... 22  
13. Users Record .................................................................................................................................... 22  
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CV-M50IR  
1. General  
The CV-M50 is a monochrome 1/ 2" CCD camera designed for automated imaging applications featuring  
high performance and unique functions within a uniform and compact housing.  
The high-speed shutter function and asynchronous random trigger function allow the camera to capture  
high quality images of fast moving objects. It is suitable for industrial applications such as on-line  
inspection and measurements.  
In addition to conventional random trigger modes, the newly added pulse width control shutter mode  
makes it possible control the accumulation time by the trigger pulse width.  
2. Standard Composition  
The standard camera composition consists of the camera main body, tripod mount plate and operation  
manual.  
3. Main Features  
1/ 2" interline transfer CCD sensor with 768 (h) x 494 (v) pixels for EIA and 752 (h) x 582 (v) pixels for  
CCIR.  
High horizontal resolution. 570 TV lines for EIA, 560 TV lines for CCIR.  
Excellent S/ N. Better than 59dB.  
High sensitivity. Minimum 0.01 lx illumination on CCD sensor.  
Improved smear performance and higher dynamic range.  
Random trigger modes with edge pre-select shutter, start/ stop shutter and pulse width control  
shutter.  
Random trigger shutter up to 1/ 10,000 sec.  
Long-time exposure mode from a single field to several seconds.  
WEN -, EEN - and pixel clock output to support further advanced image capturing.  
Internal or external HD/ VD synchronization.  
Easy shutter and functions mode setting from rear panel.  
Lens mount for C-mount lens.  
The camera features a robust package, lightweight and compact size.  
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CV-M50IR  
4. Locations and Functions  
1 1/ 2" interline transfer CCD sensor.  
2 Lens mount of C-mount type. *1)  
3 BNC connector for video output.  
4 Switch block SW1 for shutter speed and function modes setting.  
5 6-pin multi connector for WEN and EEN output external trigger input.  
6 12-pin multi connector for +12V DC power, video output and HD/ VD input/ output.  
7 GAIN potentiometer for manual gain adjustment.  
8 Screw holes for Tripod mount plate.  
9 Tripod mount plate to place the camera on tripod.  
Note: *1) Rear protrusion on C-mount lens must be less than 10.0 mm (0.4 inches approx.).  
When IR-cut filter is used, it must be less than 7.0 mm (0.28 inches approx.).  
The IR cut filter is placed in the C-mount thread.  
The C-mount 25 mm IR cut filter must be ordered separately.  
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CV-M50IR  
5. Pin Assignment  
5.1. 12-pin Multi-connector (DC-IN/ SYNC.)  
Type: HR10A-10R-12PB-01 (Hirose) male  
Seen from rear.  
Notes:  
*1) Signals on pin no. 6, 7 and 9 can be changed by jumper setting.  
See “7.3. Jumper Settings” for more information.  
*2) In Edge Pre-select and Pulse Width Control mode do not input ext. VD signal.  
5.2. 6-pin Multi-connector (TRIGGER)  
Type: HR10A-7R-6PB (Hirose) male  
Seen from rear.  
* Notes:  
The functions available on the 6-pin multi-connector are not effective in  
long time exposure mode.  
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CV-M50IR  
6. Functions and Operations  
6.1. Input/ Output of HD/ VD Signal  
6.1.1. Input of External HD/ VD Signal  
As factory setting the camera can be synchronized by external HD/ VD signals. The signal level must be  
4.0V p-p +/ - 2.0V at the input with the 75 Ohm termination ON. To change to non-terminated input, see  
instructions in “7. Mode Setting”.  
If no ext. HD is connected, the camera will switch to the internal X-tal controlled HD.  
If no ext. VD is connected, the camera will continue with its internal VD.  
6.1.2. Output of Internal HD/ VD Signal  
The internal HD/ VD output is 4.0V p-p from a 75 Ohm source.  
To select this mode, see instructions in “7. Mode Setting”.  
6.2. Normal Shutter Mode  
When trigger select SW1-4 is OFF, the camera is in normal mode. The SW1-1, SW1-2 and SW1-3 are for  
selecting the shutter speed. The range is from OFF to 1/ 10,000 second in 8 steps. The camera is running  
continuously with an exposure as the selected shutter time.  
The shutter time setting is shown in “7.1.3. Table for Shutter Time”.  
6.3. External Trigger Mode  
External trigger mode of CV-M50 allows 4 different driving modes, as follow.  
1
2
3
4
Edge pre-select mode. (Asynchronous reset and exposure start by an ext. trigger)  
Pulse width control mode. (Exposure control by the low period of the ext. trigger)  
Start/Stop trigger mode. (Exposure start by the ext. trigger and end by the ext. VD signal)  
Long time exposure mode. (Exposure control by the interval of the ext. VD signal)  
The trigger input is AC coupled, so there is a maximum pulse width for the trigger pulse about 60 msec.  
The signal level must be 4.0V p-p +/ - 2.0V on the input with the 75 Ohm termination ON. To change to  
non-terminated input, see instructions in “7. Mode Setting”.  
The following describes the details of each trigger mode.  
6.3.1. Edge Pre-select Mode  
The edge pre-select mode operation will only work in non-interlaced and field accumulation mode. The  
CV-M50 starts the exposure (= accumulation of photoelectric charge) at the first HD pulse after the  
falling edge of the ext. trigger pulse. The exposure ends after the time set by the 3 shutter switches  
SW1-1 to SW1-3. The range is 8 steps from OFF (1/ 60 or 1/ 50) to 1/ 10,000 second.  
In this mode, the EEN (Exposure ENable) pulse and WEN (Write ENable) pulses are generated and  
output from the camera. The EEN pulse indicates the exposure time and can be used to control the  
illumination such as strobe light. The EEN pulse is output from pin 2 of the 6-pin multi connector. The  
signal level is 4.0 Vp-p from a 75 Ohm source.  
The WEN pulse indicates the time period of the effective video signal output, and is useful for the timing  
and interfacing of external devices such as frame grabbers. The WEN pulse is output from pin 6 of the 6-  
pin multi connector. The signal level is 4.0 Vp-p from a 75 Ohm source.  
The video must be read out before a new trigger can be applied. The interval between trigger pulses  
must be longer than the time for 1 field + the shutter time. It is the limit for the field rate.  
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CV-M50IR  
To use this mode  
Set:  
SW1-4 to ON for ext. trigger shutter  
SW1-5 to OFF for field accumulation  
SW1-6 to ON for non-interlaced  
SW1-1,2 and 3 to shutter speed  
Input:  
Ext. trigger to pin 5 on 6 pin multi connector.  
Ext. HD to pin 6 on 12-pin multi connector. (If used).  
75 Ohm termination is done with SW2-1 (HD) and SW2-2 (ext.trigger) on PK8057 board.  
Refer to Timing Chart and Cautions below.  
Detailed switch and jumper setting is described in “7. Mode Setting”.  
For connections see “5. Pin Assignment”.  
Cautions in the Edge Pre-select Mode.  
1. Edge pre-select mode is effective only in non-interlaced, field accumulation mode.  
2. The exposure start may delay up to 1H max., when the falling edge of ext. trigger pulse is not  
synchronized with the falling edge of ext. HD signal. To avoid this 1H delay and jitter, the falling edge  
of the trigger pulse should be synchronized with the HD pulse as shown below. It can be the ext. HD  
input or the Internal HD output.  
3. The ext. trigger input is 75 Ohm terminated as factory setting. (R127 short and SW2-2 ON). The  
voltage level of the ext. trigger has to be 4.0 Vp-p ± 2.0 V. The duration should be more than 1 H  
negative going. >64 µsec. and < 60 msec. The input is AC coupled.  
4. If the ext. trigger input and ext. HD input are from a source with TTL level, set SW2-1 and SW2-2 OFF  
for non-terminated. SW2-1 for HD signal, SW2-2 for ext. trigger pulse. See “7.2 SW2 on PK8057  
Board”.  
CV-M50 EIA (Non-interlaced / Field accumulation mode)  
(
)
Edge pre-select mode for non-interlace only  
EIA : 1H = 63.5µs  
TRIG  
1H TRIG in  
1H more  
EXT HD  
INT HD  
INT VD  
1.5H  
9H  
9H  
1H  
1.5H  
9H  
EEN  
Exposure time  
12.5H  
Exposure time  
0.5H  
0.5H  
WEN  
10.5H  
2H  
9H  
CCD out  
Video out  
Effective pixels  
No.10 to 251  
20H  
Blanking  
242H  
20H  
Effective video  
Blanking  
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CV-M50IR  
CV-M50 CCIR (Non-interlaced / Field accumulation mode)  
(
)
Edge pre-select mode for non-interlace only  
CCIR : 1H = 64µs  
TRIG  
1H TRIG in  
1H more  
EXT HD  
INT HD  
INT VD  
1.5H  
7.5H  
7.5H  
6.5H  
1.5H  
7.5H  
EEN  
Exposure time  
16.5H  
Exposure time  
0.5H  
0.5H  
WEN  
9H  
7.5H  
10H  
14H  
CCD out  
Video out  
Effective pixels  
No.10 to 251  
25H  
Blanking  
287H  
25H  
Effective video  
Blanking  
6.3.2. Pulse Width Control Mode  
The pulse width control mode will only work in non-interlaced field accumulation mode.  
The exposure is controlled by the low period of the ext. trigger pulse. The CV-M50 starts the exposure at  
the first HD pulse after the falling edge of the ext. trigger pulse. The exposure ends at the first HD pulse  
after the rising edge of the ext. trigger. The Shutter can be controlled to be within the range from >1H  
(>64 usec.) to <60 msec. The AC coupling causes the upper limit.  
EEN (Exposure ENable) pulse and WEN (Write ENable) pulses are generated and output from the  
camera.  
The EEN pulse indicates the exposure time. The EEN pulse is output from pin 2 of the 6-pin multi  
connector. The signal level is 4.0 Vp-p from a 75 Ohm source.  
The WEN pulse indicates the time period of the effective video signal output and is useful for the timing  
and interfacing of external devices such as frame grabbers. The WEN pulse is output from pin 6 of the 6-  
pin multi connector. The signal level is 4.0 Vp-p from a 75 Ohm source  
The video must be read out before a new trigger can be applied. The interval between trigger pulses  
must be longer than the time for 1 field + the shutter time. It is the limit for the field rate.  
To use this mode  
Set:  
SW1-1, 2 and 3 to OFF  
SW1-4 to ON for ext. trigger shutter  
SW1-5 to OFF for field accumulation  
SW1-6 to ON for non-interlaced  
JP12 on PK8057 to OPEN  
Input:  
Ext. trigger to pin 5 on 6-pin multi connector.  
Ext. HD to pin 6 on 12-pin multi connector. (If used).  
75 Ohm termination is done with SW2-1 (HD) and SW2-2 (ext.trigger) on PK8057 board.  
Refer to Timing Chart and Cautions on next page.  
Detailed switch and jumper setting is described in “7. Mode Setting”.  
For connections see “5. Pin Assignment”.  
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CV-M50IR  
Cautions in the Pulse Width Control Mode.  
1. Pulse width control mode is effective only in non-interlaced field accumulation mode.  
2. The exposure start may be delayed up to 1H max., when the falling edge of ext. trigger pulse is not  
synchronized with the falling edge of ext. HD signal. To avoid this 1H jitter and delay, the falling edge  
of the ext. trigger pulse should be synchronized within 4.4 usec. to the HD pulse. It can be the ext. HD  
in or the Internal HD out.  
See cautions in Edge Pre-select Mode page 7.  
3. The ext. trigger input is 75 Ohm terminated as factory setting. (R127 short and SW2-2 on). The  
voltage level of the ext. trigger has to be 4.0 Vp-p ± 2.0 V. The duration should be more than 1 H  
negative going. >64 µsec. and < 60 msec. The input is AC coupled.  
4. If the ext. trigger input and ext. HD input are from a source with TTL level, set SW2-1 and SW2-2 OFF  
for non-terminated. SW2-1 for HD signal, SW2-2 for ext. trigger pulse. See “7.2 SW2 on PK8057  
Board”.  
CV-M50 EIA (Non-interlaced / Field accumulation mode)  
(
)
Pulse width control mode for non-interlace only  
EIA : 1H = 63.5µs  
TRIG  
1H more  
1H TRIG in  
EXT HD  
INT HD  
INT VD  
1.5H  
9H  
1H  
1.5H  
9H  
EEN  
Exposure time  
12.5H  
Exposure time  
0.5H  
0.5H  
WEN  
2H  
9H  
10H  
CCD out  
Video out  
Effective pixels  
No.10 to 251  
20H  
Blanking  
242H  
20H  
Effective video  
Blanking  
CV-M50 CCIR (Non-interlaced / Field accumulation mode)  
(
)
Pulse width control mode for non-interlace only  
CCIR : 1H = 64µs  
TRIG  
1H more  
1H TRIG in  
EXT HD  
INT HD  
INT VD  
1.5H  
7.5H  
7.5H  
6.5H  
1.5H  
7.5H  
EEN  
Exposure time  
16.5H  
Exposure time  
0.5H  
0.5H  
WEN  
9H  
7.5H  
10H  
14H  
CCD out  
Video out  
Effective pixels  
No.10 to 251  
25H  
Blanking  
287H  
25H  
Effective video  
Blanking  
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CV-M50IR  
6.3.3. Start/ Stop Trigger Mode  
The Start / Stop trigger will work in 3 modes:  
1. Interlaced with frame accumulation.  
2. Interlaced with field accumulation.  
3. Non-interlaced with field accumulation.  
The exposure time is controlled by the interval between the ext. trigger pulse and the ext. VD signal. The  
exposure starts at the first HD pulse after the falling edge of the ext. trigger, and stops at the rising edge  
of the VD pulse. The range can be within 1/ 77 to 1/ 10,000 sec.  
The Start/ Stop mode is a continuous mode where the VD signal must be given continuously. It is not  
possible to input ext. VD randomly.  
For the interlaced modes 2 ext. trigger pulses should be applied for each frame. It is one for each field.  
In this way it is possible to have different exposure time for the 2 fields within an interlaced frame.  
The difference between interlaced frame accumulation or field accumulation can be explained as follow.  
Both modes have 2 fields output in an interlaced frame. With frame accumulation the contents in the  
ODD and EVEN sync. fields will come from sensing field 1 and 2 on the CCD sensor. With field  
accumulation both ODD and EVEN sync. field will contain the signal from sensing field 1 and 2 added  
together.  
Non-interlaced with field accumulation needs only 1 trigger pulse for each field.  
To use this mode  
Set:  
SW1-1,2 and 3 to ON for 1/ 10,000 sec.  
SW1-4 to OFF for normal shutter.  
SW1-5 to ON for frame accumulation or OFF for field accumulation.  
SW1-6 to OFF for 2:1 interlaced or ON for non-interlaced.  
Jumper JP R127 on the PK8054 board OPEN  
Jumper JP8, JP9, JP10 on PK8057 to SHORT  
Jumper JP7 on PK8057 to OPEN  
Input:  
Ext. trigger to pin 5 on 6 pin multi connector. (Can not be 75 Ohm terminated.)  
Ext. VD to pin 7 on 12 pin multi connector.  
Ext. HD to pin 6 on 12 pin multi connector. (If used).  
HD/ VD 75 Ohm termination is done with SW2-1 and SW2-2 on PK8057 board.  
Refer to Timing Chart and Cautions on next page.  
Detailed switch and jumper setting is described in “7. Mode Setting”.  
For connections see “5. Pin Assignment”.  
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CV-M50IR  
Cautions in the Start/ Stop Trigger Mode.  
1. The input of ext. VD signal must be given continuously to synchronize with int. VD signal. It is not  
possible to input ext. VD signal randomly.  
2. The exposure start may delay up to 1H max., when the falling edge of ext. trigger pulse is not  
synchronized with the falling edge of ext. HD signal. To avoid this 1H jitter and delay, the falling edge  
of the ext. trigger pulse should be synchronized within 4.4 usec. to the HD pulse. It can be the ext. HD  
input or the internal HD output.  
Shown under cautions in Edge Pre-select Mode page 7.  
3. In this mode, the ext. trigger has to be TTL level (2.0 to 5.0 V). It cannot be 75 Ohm terminated. The  
duration should be more than 1 H negative going. >64 µsec. and < 1 msec. The input is AC coupled.  
4. If the ext. VD input and ext. HD input are from a source with TTL level, set SW2-1 and SW2-2 on  
PK8057 board OFF for non-terminated. SW2-1 for ext. HD signal, SW2-2 for ext. VD signal. See “7.2  
SW2 on PK8057 Board”.  
5. Each scanning mode requires the following number of external trigger pulses:  
- 2:1 interlaced: 2 external trigger pulses per frame  
- Non-interlaced: 1 external trigger pulse per field  
a) Interlaced mode (Frame accumulation mode)  
b) 2:1 Interlaced mode (Field accumulation mode)  
c) Non-interlace moded (Field accumulation mode)  
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CV-M50IR  
6.3.4. Long Time Exposure Mode  
The Long time exposure will work in 3 modes:  
1. Interlaced with field accumulation.  
2. Interlaced with frame accumulation.  
3. Non-interlaced with field accumulation.  
The exposure time is the interval between 2 ext. VD pulses sent to the camera VD input. Each ext. VD  
pulse will reset and restart the internal VD in the camera as for ext. HD/ VD input. So the camera is  
synchronized to the external HD/ VD supply after each VD input.  
An exposure starts after input of an external VD pulse, and ends after the next input of ext. VD, which  
again starts a new exposure.  
The long time exposure is a continuous process where each external VD will synchronize the camera,  
stop an exposure, start a new exposure and read out the previous accumulated signal as interlaced or  
non-interlaced fields.  
th  
The exposure control can be done by feeding every N VD pulse from the external HD/ VD supply to the  
camera. N is the wanted exposure time in number of fields. This is typically done in the frame grabber  
PC.  
The range for long time exposure is from 1 V (a single field) to . However the dark current signal will  
increase by longer time, so >2 seconds are not recommended at normal ambient temperature.  
To use this mode:  
Set:  
SW1-1, 2 and 3 to OFF  
SW1-4 to OFF for normal shutter.  
SW1-5 to ON for frame accumulation or OFF for field accumulation.  
SW1-6 to OFF for 2:1 interlaced or ON for non-interlaced.  
Jumper JP6 on PK8057 to CLOSE  
Input:  
Ext. VD pulses with the exposure interval to pin 7 on 12 pin multi connector.  
Ext. HD to pin 6 on 12 pin multi connector.  
75 Ohm termination is done with SW2-1 and SW2-2 on PK8057 board.  
The timing for the external VD interval has to be as follow. (V is the time for a single field)  
Interlaced with field accumulation.  
Interlaced with frame accumulation.  
1 V or more  
2 V or integral number of 2V  
Non-interlaced with field accumulation. 2 V or more  
Note:The external HD/ VD sync. generator, which supply the ext. VD an HD signals should follow the  
scanning standard for the camera setting.  
EIA  
CCIR  
Interlaced and field accumulation.  
Interlaced and frame accumulation.  
Non-interlaced and field accumulation.  
1 V = 262.5 H  
2 V = 525.0 H  
2 V = 524.0 H  
1 V = 312.5 H  
2 V = 625.0 H  
2 V = 624.0 H  
Refer to Timing Chart and Cautions on next page.  
Detailed switch and jumper setting is described in “7. Mode Setting”.  
For connections see 5. “Pin Assignment”.  
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CV-M50IR  
Cautions in the Long Time Exposure Mode.  
1. Theoretical exposure time is as follows. EIA: 1/ 30 sec. to . CCIR: 1/ 25 sec. to .  
2. It is recommended not to use exposure >2 sec. since visible dark-current noise may occur.  
3. Ext. HD signal (4.0 Vp-p ± 2.0V at 75 Ohm terminated) has to be input continuously  
The falling edge of Int. HD signal and Ext. VD signal are phase-synchronized.  
4. Timing of ext. VD signal in each accumulation mode has to be set, as described before.  
a) 2:1 Interlaced mode (Field accumulation mode)  
b) 2:1 Interlaced mode (Frame accumulation mode)  
c) Non interlaced mode (Field accumulation mode)  
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CV-M50IR  
7. Mode Setting  
Caution on Mode Setting.  
Before making any mode or jumper setting turn the power OFF.  
7.1.1. SW1 Switch on the Rear Panel  
Factory settings for SW1 are with all 8 switches in OFF position.  
7.1.2. Table for SW 1 Setting  
7.1.3. Table for Shutter Time  
Caution on Shutter.  
The image can flicker when the illumination is AC powered.  
Highlighted parts of the image will show increasing smear at a shorter shutter time.  
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CV-M50IR  
7.1.4. Ext. Trigger Shutter Mode  
When trigger select SW1-4 is ON. The camera is in ext. trigger shutter mode. The SW1-1, SW1-2 and SW1-  
3 are for selecting the shutter speed. The range is from OFF to 1/ 10,000 second in 8 steps. For each  
external trigger pulse, the camera will make an exposure with the selected shutter speed.  
The shutter time setting is shown in “7.1.3. Table for Shutter Time”.  
7.1.5. Trigger Select  
SW1-4 is will select the camera operation mode.  
OFF is normal mode, where the camera is running continuously.  
ON is the ext. trigger shutter mode. Here the external trigger pulse will start the exposure.  
7.1.6. CCD Accumulation  
SW1-5 will select the CCD accumulation mode.  
OFF is field accumulation. It is used for moving objects.  
ON is frame accumulation. It is for still objects.  
7.1.7. Scanning System  
SW1-6 will select the scanning system.  
OFF is 2.1 interlaced. It will follow the EIA or CCIR standard for interlaced scanning.  
ON is non-interlaced.  
In EIA the non-interlaced output is continuous ODD field. In CCIR the non-interlaced output is continuous  
EVEN field.  
If the camera is ext. HD/ VD synchronized with a non-interlaced sync, SW1-6 be in ON position.  
7.1.8. Gamma Correction  
SW1-7 will select the gamma correction.  
OFF is gamma 1.0. It is linear. Recommended for machine vision and image processing.  
ON is gamma 0.45. It is non-linear.  
7.1.9. Gain Control  
SW1-8 is for gain select.  
OFF is manual gain. Here the gain can be controlled by the GAIN potmeter on the rear panel.  
ON is the AGC mode. Here the gain is adjusted automatically. The AGC level can be adjusted by VR3 on  
PK8056 board. See “8. Adjustment of Video Signal Output Level”.  
7.2. SW2 on PK8057 Board  
This switch is to select 75 Ohm termination or TTL for ext. HD and ext. VD.  
VD  
HD  
SW2-1 is for HD signal.  
ON  
SW2-2 is for VD signal, or for ext. trigger in.  
ON is 75 Ohm terminated. (Factory setting).  
OFF is TTL level.  
1
2
OFF  
SW2  
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CV-M50IR  
7.3. Jumper Settings  
Caution on Jumper Setting.  
Before making any mode or jumper setting turn the power OFF.  
Jumpers for mode setting are found on the boards PK8054 & PK8057.  
The following modes are available with jumper setting:  
Input/ Output Mode of HD/ VD signal. (HD/ VD input is factory setting)  
Edge Pre-select Mode. (Factory setting)  
Pulse Width Control Mode  
Start/ Stop Trigger Mode  
Long Time Exposure Mode  
Set the jumpers according to the list below in 7.3.1. and 7.3.2.  
The jumper positions are shown in “7.4.1. Board 8054 Side Band “7.4.2. Board 8057 Side A.  
Switch SW2 on PK8057 is shown in “7.2. SW2 on PK8057 Board”.  
7.3.1. Jumper on PK8054 Board  
*) Factory Setting  
7.3.2. Jumper on PK8057 Board  
*) Factory Setting  
7.3.3. Pixel Clock Output  
To use pixel clock output (TTL level: 4.0 V), make the jumper JP11 on PK8057 board shorted-circuited. The  
jumper position is shown in “7.4.1. Board PK8057 Side A.  
Pixel clock pulse will be output from pin no.9 of 12-pin multi-connector.  
Caution for Pixel Clock Output.  
When the pixel clock is enabled, it may cause interference with external equipment if it not properly  
shielded.  
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CV-M50IR  
7.4. Location of SW2 and Jumpers  
Jumpers are shorted with a 0 Ohm resistor or by a soldering between the 2 points. To remove the solder  
tin from a jumper position, use a special tin remover such as de-soldering wick.  
7.4.1. Board PK8054 Side B  
7.4.2. Board PK8057 Side A  
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CV-M50IR  
8. Adjustment of Video Signal Output Level  
When an alignment of a video output signal is required, remove the camera housing and adjust  
potentiometers VR3, VR4 and VR5 on the PK8056 board while measuring their levels at the video output  
connector.  
This adjustment should only be done in a setup with a standard TV test chart and controlled  
illumination.  
VR3: To adjust the gain level of AGC. (Factory setting: 700 mVp-p ± 30 mV)  
VR4: To adjust the white level. (Factory setting: 800 mVp-p ± 20 mV)  
VR5: To adjust the black level. (Factory setting: 20 mVp-p ± 5 mV)  
CAUTION.  
Do not touch these potentiometers unless you are familiar with camera adjustments.  
Location of VR3 to VR5 on PK8056 board is as follow.  
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CV-M50IR  
9. External Appearance  
Unit : mm (inches)  
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CV-M50IR  
10. Specifications  
Scanning system  
CCIR 625 lines  
25 frames/ sec.  
EIA 525 lines  
30 frames/ sec.  
CCD sensor  
Monochrome 1/ 2" Hyper HAD IT CCD  
6.6 mm (h) x 4.8 mm (v)  
Sensing area  
Effective pixels  
752 (h) x 582 (v)  
768 (h) x 494 (v)  
758 (h) x 486 (v)  
8.4 (h) x 9.8 (v) µm  
570 TV lines  
Elements in video output  
Cell size  
737 (h) x 575 (v)  
8.6 (h) x 8.3 (v) µm  
560 TV lines  
Resolution (horizontal)  
Resolution (vertical)  
Sensitivity on sensor  
S/ N ratio  
575 TV lines  
485 TV lines  
0.01 lx  
>59 dB (AGC off, Gamma 1)  
Video output  
Composite VS signal 1.0 Vpp, 75 Ohm  
Gamma  
0.45 – 1.0  
Gain  
Manual – Automatic. 0 to +15 dB by potentiometer or AGC  
Scanning  
2:1 interlace – non-interlace  
Accumulation  
Field – frame  
Synchronization  
Int. X-tal. Ext HD/ VD or random trigger  
HD sync. input/ output  
VD sync. input/ output  
Trigger input  
4V, 75 Ohm*  
4V, 75 Ohm*  
4V, 75 Ohm*  
Trigger input duration  
WEN output (write enable)  
EEN output (exposure enable)  
Pixel clock output (optional)  
Normal shutter  
>HD interval  
4V, 75 Ohm  
4V, 75 Ohm  
4V, 75 Ohm sine  
Off, 1/ 100, 1/ 250, 1/ 500, 1/ 1000, 1/ 2000, 1/ 4500, 1/ 10,000 sec.  
1/ 60, 1/ 100, 1/ 250, 1/ 500, 1/ 1000, 1/ 2000, 1/ 4500, 1/ 10,000 sec.  
>1 H (64 usec.) to <60 msec.  
Edge pre-select shutter  
Pulse width controlled shutter  
Start/ stop trigger shutter  
1/ 77 sec to 1/ 10,000 sec.  
Long time exposure  
Operating temperature  
Humidity  
1 field to . Duration between ext. VD pulses  
-5°C to +45°C  
20 – 80% non-condensing  
-25°C to 60°C/ 20 - 90%  
12V DC ±10%. 2.5W  
C-mount  
Storage temp./ humidity  
Power  
Lens mount  
Dimensions  
40 x 50 x 80 mm (HxWxD)  
230 g  
Mass  
*
HD sync., VD sync./(Trigger) input or output by internal jumpers.  
Factory setting: HD/VD input. Inputs TTL or 75 Ohm terminated by  
internal jumpers. Factory setting: 75 Ohm terminated.  
Note: Above specifications are subject to change without notice.  
10.1. Spectral Sensitivity  
1.0  
0.9  
0.8  
0.7  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
0
400  
500  
600  
700  
800  
900  
1000  
Wave length (nm)  
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CV-M50IR  
11. Appendix  
11.1. Precautions  
Personnel not trained in dealing with similar electronic devices should not service this camera.  
The camera contains components sensitive to electrostatic discharge. The handling of these devices  
should follow the requirements of electrostatic sensitive components.  
Do not attempt to disassemble this camera.  
Do not expose this camera to rain or moisture.  
Do not face this camera towards the sun, extreme bright light or light reflecting objects.  
Even when this camera is not in use, put the supplied lens cap on the lens mount.  
Handle this camera with the maximum care.  
Operate this camera only from the type of power source indicated on the camera.  
Power off the camera during any modification such as changes of jumper and switch setting.  
11.2. Typical CCD Characteristics  
The following effects may be observed on the video monitor screen. They do not indicate any fault of the  
CCD camera, but do associate with typical CCD characteristics.  
V. Smear  
Due to an excessive bright object such as electric lighting, sun or strong reflection, vertical smear may  
be visible on the video monitor screen. This phenomenon is related to the characteristics of the  
Interline Transfer System employed in the CCD.  
V. Aliasing  
When the CCD camera captures stripes, straight lines or similar sharp patterns, jagged image on the  
monitor may appear.  
Blemishes  
Some pixel defects can occur, but this does not have en effect on the practical operation.  
Patterned Noise  
When the CCD camera captures a dark object at high temperature or is used for long time integration,  
fixed pattern noise (shown as white dots) may appear on the video monitor screen.  
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CV-M50IR  
12. Disclaimer  
Increased dark current over time in EXview sensors. It is known that radiation damage increases the dark  
current of a CCD sensor. This is also true for radiation arising from natural sources, also known as background  
radiation.  
These sources include: (1) terrestrial radiation from naturally occurring radioactive isotopes in the soil; (2)  
cosmic radiation originating in outer space; and (3) naturally occurring radioactive isotopes in the body.  
The EXview series of CCD sensors have greatly improved responsivity, especially in the Near IR part of the  
spectrum. This greatly improved performance comes at the price of accelerated degradation (increased  
dark current) due to natural background radiation. This degradation effect is approximately 4 times as fast  
as in standard sensors, such as Hyper HAD sensors. The degradation effect will manifest itself as in  
increasing non-uniformity of pixels when viewed in the dark (white spots). This is a natural effect, and is  
not eligible for warranty replacement/ repair of the CCD camera.  
13. Users Record  
Camera type:  
Scanning system:  
Revision:  
CV-M50  
EIA/ CCIR  
(Revision F)  
.................  
Serial No.  
Users Mode Settings  
Users Modifications  
- 22 -  
 
JAI Corporation, Japan  
JAI America, Inc., USA  
JAI A·S, Denmark  
German Industry Center  
1-18-2 Hakusan, Midori-ku  
Yokohama,  
Kanagawa 226-0006, Japan  
Phone +81 45 933 5400  
Fax +81 45 931 6142  
Suite 450  
Produktionsvej 1, 2600 Glostrup  
Copenhagen, Denmark  
Phone +45 4457 8888  
Fax +45 4491 8880  
23046 Avenida de la Carlota  
Laguna Hills, CA 92653  
USA  
Phone +1 949 472 5900  
Fax +1 949 472 5908  
 

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