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Industrial Monochrome CCD Camera
CV-M50
Operation Manual
(Rev.F)
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CV-M50 DECLARATION OF CONFORMITY AS DEFINED BY THE COUNCIL DIRECTIVE 89/336/EEC EMC (ELECTROMAGNETIC COMPATIBILITY) WE HEREWITH DECLARE THAT THIS PRODUCT COMPLIES WITH THE FOLLOWING PROVISIONS APPLYING TO IT. EN-50081-1 EN-50082-1
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CV-M50 Table of Contents Table of Contents ....................................................................................................................................... 2 1. General ................................................................................................................................................ 3 2. Standard Composition......................................................................................................................... 3 3. Main Featur
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CV-M50 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 widt
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CV-M50 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
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CV-M50 5. Pin Assignment 5.1. 12-pin Multi-connector (DC-IN/SYNC.) Type: HR10A-10R-12PB-01 (Hirose) male Seen from rear. Pin no. Signal Remarks 1 GND 2 +12 V CD input 3 GND 4 Video output Parallel with the BNC video output. Avoid double termination. 5 GND 6 HD input/output HD in as factory setting. *1) 7 VD input/output VD in as factory setting. *1) *2) 8 GND 9 NC NC as factory setting. Pixel clock output. *1) 10 GND 11 +12 V CD input 12 GND Notes: *1) Signals on pin no. 6, 7 and 9 can be change
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CV-M50 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 inte
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CV-M50 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 As
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CV-M50 CV-M50 CCIR (Non-interlaced / Field accumulation mode) ( ) Edge pre-select mode for non-interlace only CCIR : 1H = 64µ s 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 Effective pixels No.10 to 251 Video out 25H 287H 25H Blanking 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
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CV-M50 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
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CV-M50 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
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CV-M50 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.
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CV-M50 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
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CV-M50 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
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CV-M50 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. = < ON = > SW1 off 1/50 1/100 1/250 1/500 1/1000 1/2000 1/4500 1/10,000 OFF 1 < < < < > > > > < < > > < < > > 2 < > < > < > < > 3 TRIGGER 4 Normal <> External trigger 5 <> Frame INTERLACE 6 Interlaced <> GAMMA 7 1.0 <> 8 Manual <> 7.1.2. Table for SW 1 Setting Mode setting Switch no. Swit
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CV-M50 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
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CV-M50 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 positi
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CV-M50 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 R127 7.4.2. Board PK8057 Side A JP10 JP2 JP1 SW2 JP6 JP7 JP9 JP12 JP4 JP11 JP3 JP5 JP8 - 17 -
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CV-M50 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
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CV-M50 9. External Appearance Unit : mm (inches) 5 50 (0.2) (1.97) 4-M3 26 (1.02) 50 80 12.7 (1.97) (3.15) (0.5) SW1 TRIGGER VIDEO 40 (1.57) 20 (0.79) DC IN GAIN /SYNC 550 (0.2) (1.97) C-MOUNT 26 (1.02) - 19 -
