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C9300-124 Ver.1.4

12

9. IMAGE

ACQUISITION

9-1 THEORY OF CCD

The all-pixel-readout interline transfer CCD used in this camera is arranged as shown in
Figure 9-1. Incident light at the CCD is converted by photosensors to electrical charges
which are transmitted through a shielded vertical transfer CCD (VCCD) and a horizontal
transfer CCD (HCCD) to a final output charge-voltage conversion amp. The sensor gate is
opened by the readout signal, and the charges generated by all of the photosensors are
transmitted unmixed to the VCCD, completing the exposure.
In addition, an electronic shutter signal is applied to the CCD, allowing any accumulated
charge in the photosensors to be discharged.

Photo-diode
Vertical

CCD

Sensor

gate

On-chip AMP

Horizontal CCD

Fig. 9-1

Exposure

time

CCD exposure

Readut signal
from CCD chip

Digital data
output

Readout

period

Fig. 9-2

●

Exposure Time

:

When set to the normal CCD scanning mode, this is as shown in Figure 9-2.Exposure time is the elapsed time
between one readout signal and the next; this interval is at least as long as the time necessary for all of the charges
from the CCD to be readout.

●

Dual readout

:

The CCD has dual readout amplifiers for the half left side area of the CCD and right side as shown in Figure 9-1.
When using single readout mode, only left side amplifier is used. And when using dual readout mode, these two
amplifiers are used at the same time for readout, so you can obtain the image data with quite high frame rate.

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Содержание C9300-124

Страница 1: ...l injury and damage to property when using this camera The manual describes the correct method of handling C9300 124 camera and provides cautions in order to avoid accidents Read this manual carefully beforehand use the camera correctly After reading the manual store it in a location where you can refer to it at any time Ver 1 4 April 2007 HAMAMATSU PHOTONICS K K ...

Страница 2: ...e cautions could lead to personal injury to the user or damage to property Note This symbol indicates a note to help you get the best performance from the camera Read the contents of the note carefully to ensure correct and safe use Failure to observe one of these notes might impair the performance of the camera This symbol indicates a cautionary item that should be obeyed when handling the camera...

Страница 3: ...d even injury as some internal components become very hot Only touch parts as indicated in this manual Do not insert a foreign substance into the camera Do not allow foreign objects such as combustible substances metal objects or water to get inside the camera They can damage the camera and lead to fire or electric shock If an abnormality occurs Such as the image suddenly disappearing or a strange...

Страница 4: ...ions When transporting the camera by truck ship airplane etc wrap it securely in packaging material or something similar Strong Impact Do not subject the camera to strong shocks by dropping it for example Doing so can damage the camera Disposal When disposing of the system take appropriate measures in compliance with applicable regulations regarding waste disposal and correctly dispose of it yours...

Страница 5: ...m CameraLink interface cable A9262 05 5 m A9262 10 10 m Note The cable listed in option is highly recommended for use with the camera The camera system may not confirm to CE marking regulation if other type of cable is used with 3 INSTALLATION Do not use or store the camera these locations Where the ambient temperature may fall below 0 C or rise above 40 C Where the temperature fluctuates sharply ...

Страница 6: ... 12 9 1 THEORY OF CCD 12 9 2 OVERVIEW OF CAMERA MODES 13 9 3 DETAIL OF CAMERA MODES 14 9 3 1 DIGITAL OUTPUT BIT COUNT 14 9 3 2 CCD OUTPUT MODE 14 9 3 3 DETAIL ON CCD SCANNING SCAN MODE 14 9 3 4 EXPOSURE TIME SETTING 15 9 3 5 FAST REPETITION MODE 20 10 COMMAND SPECIFICATIONS 23 10 1 TRANSMISSION INTERFACE 23 10 2 COMMAND FORMAT 23 10 3 CAMERA RESPONSE TO COMMANDS 23 10 4 OVERVIEW OF COMMANDS 25 10 ...

Страница 7: ...RFACE SPECIFICATIONS 37 14 3 1 CAMERALINK INTERFACE 37 14 3 2 TIMING I O CONNECTOR PIN ASSIGNMENTS TIMING I O 39 14 3 3 CAMERA CONNECTOR PIN ASSIGN MENT POWER 39 14 4 IMAGE DATA OUTPUT TIMING SPECIFICATIONS 40 15 DIMENSIONAL OUTLINES 41 15 1 CAMERA 41 16 WARRANTY 42 17 CONTACT INFORMATION 43 TECHNICAL SHEET 1 44 TECHNICAL SHEET 2 45 ...

Страница 8: ...used So you can obtain the image data with quite high frame rate Note Dual readout mode uses two separated readout Amp whose performance is not perfectly same Due to the readout Amp characteristics variation you may see little intensity gap between right side and left side in one image even though the fine adjustment is done at factory before shipping Single readout mode is recommended to achieve ...

Страница 9: ...ations of the power supply Camera Peltier Power supply voltage DC 12 V DC 0 6 V DC 12 V DC 0 6 V Electric current capacity 1 A 1 A Ripple noise Peak to peak 150 mV Peak to peak 150 mV Be sure to supply the camera power supply and the peltier power supply at the same time Use low ripple noise power supplies since ripple noise may affect camera performance CAUTION Power supply must satisfy the above...

Страница 10: ...ow the fitting screw to enter more than 5 mm from the surface of the mount Screwing this in excessively may impair normal operation CameraLink interface connector DIGITAL OUT Connector used for connecting the camera to the CameraLink interface board Timing I O connector TIMING I O The connector is used as the external trigger input 1 st pin 2 nd pin Do not connect anything to pins from 3 to 6 beca...

Страница 11: ...to the COOLING connector of the AC adaptor A3472 06 Do not connect this cable to the NORMAL connector of the AC adaptor A3472 06 CameraLink interface cable Option This connects the CameraLink interface connector to the CameraLink interface board mounted on the host computer Power supply cord Option The accessories of A3472 06 Note Hamamatsu recommends optional interface for the camera AC adaptor A...

Страница 12: ...ing operating of the camera 2 Switch the camera s power switch to ON After turning the power switch on wait over 30 minutes for aging this completes preparation for imaging 8 3 IMAGING The camera works with following setting after power is switched ON CCD output mode Single output Scan mode Normal readout Exposure time setting Normal setting Contrast enhancement gain 0 Digital data output bit coun...

Страница 13: ...mulated charge in the photosensors to be discharged Photo diode Vertical CCD Sensor gate On chip AMP Horizontal CCD Fig 9 1 Exposure time CCD exposure Readut signal from CCD chip Digital data output Readout period Fig 9 2 Exposure Time When set to the normal CCD scanning mode this is as shown in Figure 9 2 Exposure time is the elapsed time between one readout signal and the next this interval is a...

Страница 14: ...an be used are shown below CCD output mode Single Dual Scan mode Normal Sub array Exposure time settings Normal Electronic Shutter Absolute Time Digital data output bit count 12 bit 10 bit 8 bit 2 External control mode An external control trigger pulse input the internal microprocessor and the repeating exposure and readout Exposure start timing and length of exposure can be controlled with the ex...

Страница 15: ... Due to the readout Amp characteristics variation you may see little intensity gap between right side and left side in one image even though the fine adjustment is done at factory before shipping Single readout mode is recommended to achieve the best possible image quality 9 3 3 DETAIL ON CCD SCANNING SCAN MODE Select either normal readout or binning readout 1 Normal readout SMD N Electrical charg...

Страница 16: ... 1 Exposure time setting Normal NMD N Exposure and readout are performed repeatedly according to the sequence set internally Exposure timing and exposure time is as following Exposure timing Readout period CCD exposure Readout signal from CCD chip Digital data output Exposure time Exposure time at each readout mode Scan mode Single output Dual output Normal readout Approx 406 ms 2 5 Hz Approx 221 ...

Страница 17: ...ata output Exposure time SHT n Readout period Electrical shutter signal Exposure time at each readout mode Scan mode Single output Dual output Normal readout 199 3 µs n 1 149 3 µs n 1 to 6698 131 4 µs n 1 81 4 µs n 1 to 12 285 3 Exposure time setting Absolute Time NMD T AET ss xxx Exposure and readout repeat along with the operation of the electronic shutter according to the sequence set internall...

Страница 18: ...s from the fall rise of the external trigger pulse the exposure is made using the time set with the EST n command and readout follows After readout the system waits for the external trigger pulse to fall rise again The exposure time is set with the EST n command This setting is made in units of one horizontal scan cycle The repeat cycle is controlled by the external control pulse s repeat cycle bu...

Страница 19: ... where s seconds x milliseconds The actual length of exposure time is the specified time taken as a value expressed in horizontal scan units Exposure time longer than 1 s is not possible The repeat cycle is controlled by the external control pulse s repeat cycle but the minimum cycle is calculated as shown below Set the external control pulse s repeat cycle so that it is longer than the minimum cy...

Страница 20: ...w Set the external control pulse s repeat cycle so that it is longer than the minimum cycle Maximum exposure time is 1 s When the external control pulse s LO interval HI interval exceeds 1 s the exposure is stopped and the data is read out exposure cannot exceed 1 s Note The external control pulse s LO interval HI interval must be at least 100 μs Minimum repetition time readout time external contr...

Страница 21: ...etry and other flow imaging application Moreover the CCD has dual output feature which enables higher frame rate 9 3 5 1 Additional commands for Fast repetition feature To set the fast repetition mode EMD command is used Default EMD E The command for fast repetition mode is EMD F External trigger MoDe Fast repetition mode Example Set as follows TNS 2 Dual output mode ESC M External trigger TIMING ...

Страница 22: ...ode Minimum exposure time 131 4 µs is obtained by the setting EST 1 and TNS 2 This timing chart shows the fastest speed mode On the falling edge of an external trigger pulse the camera starts the first frame exposure with a 1 76 µs delay time The first frame exposure time is set by the command of EST n If n 1 and TNS 2 the exposure time is 131 4 µs The total time until finishing one frame exposure...

Страница 23: ...e for 1 1 binning readout 131 4 µs n 1 81 4 µs n 1 to 12 285 TNS 1 Single output mode Exposure time for 1 1 binning readout 199 3 µs n 1 149 3 µs n 1 to 6698 Second frame is always as follows TNS 2 Dual output mode Exposure time for 1 1 binning readout 221 ms TNS 1 Single output mode Exposure time for 1 1 binning readout 406 ms ...

Страница 24: ...sion of parameters 10 3 CAMERA RESPONSE TO COMMANDS The camera responds to commands transmitted from the host computer The camera can be set so that a response is either sent or withheld when the RESponse command is received However responses to status commands from the camera cannot be refused RESponse Function Setting allows or prevents responses when commands are sent from the host computer Y R...

Страница 25: ...mmand setting When the camera interprets a command as being proper the response to the command s execution is to send back to the host computer the required status Accordingly the status command is executed normally and the response is the transmission of the status to the host computer XXX Command name 3 characters omitting PP Status response to the command Just as described above when the comman...

Страница 26: ...ting parameters such as exposure time and digital output pixel count SHT Sets the exposure time when the exposure trigger timing is controlled internally EST Sets the exposure time when the exposure trigger timing is controlled externally AET Sets the exposure time ATP Selects the external trigger pulse polarity SPX Selects the binning count when the binning command is selected with SMD command SV...

Страница 27: ...ng the digital data output bit count TNS Returns the setting the CCD output mode SHT Returns the exposure time when the exposure trigger timing is controlled internally EST Returns the exposure time when the exposure trigger timing is controlled externally AET Returns the setting of exposure time ATP Returns the external trigger pulse polarity SPX Returns the setting of the binning count SVO Retur...

Страница 28: ...s of the INI command Category Initial command AMD N Free running mode NMD N Normal EMD E Edge SMD N Normal readout ADS 12 12 bit Mode setting commands TNS 1 Single output SHT 2721 2721 EST 1 1 AET 0 406 406 ms ATP N Negative SVO 0 0 SVW 2672 2672 Parameter setting commands ESC M Multi Timing I O Correctional commands CEG 0 0 Other setting commands RES Y Yes ...

Страница 29: ...HT command NMD Example NMD T Exposure time is set with the AET command External MoDe Parameter E Edge L Level T Time F Fast repetition Function Selects mode used to set the exposure time when the exposure timing is controlled External control mode EMD E Exposure time is set internally with the EST command EMD L Exposure time is set externally according to external trigger level EMD T Exposure time...

Страница 30: ...ts of the 12 bit digital data are output to DB0 to DB7 ADS Comment The camera can select the number of digital output bit and the position of MSB 8 n 8 bit digital output ADS 8 n n 8 9 10 11 12 211 210 29 28 27 26 25 24 23 22 21 20 DBG7 DBG6 DBG5 DBG4 DBG3 DBG2 DBG1 DBG0 Input Digital data Output Digital data ADS 8 8 Blue data n 1 n 2 n 3 n 4 n 5 n 6 n 7 n 8 n 9 n 10 n 11 n 12 CCD Tap Number Selec...

Страница 31: ...ol mode The exposure time of 199 µs or less and 1 s or more cannot be set AET 0 123 Sets the exposure time at 123 ms AET Example AET 123ms Sets the exposure time at 123 ms Active Trigger Polarity Parameter N Negative P Positive Function Selects either Negative or Positive for the external trigger pulse polarity ATP N Sets the external trigger pulse polarity to Negative ATP Example ATP P Sets the e...

Страница 32: ...g on CEG setting CEG 0 3 Dark offset value is about 50 counts CEG 4 15 Dark offset value is about 150 counts 4 Other setting commands INItialize Parameter None INI Function Initializes the contents of camera s internal parameter RAM RESponse Parameter Y Yes N No Function Determines whether or not responses are returned when commands are executed RES Y Responses are returned when command are execut...

Страница 33: ...n n 0 to 15 RES read RESponse Y N The following command is a special status command not in the group of setting commands read ROM VERsion Function Returns the version of the camera s internal ROM VER Return value x xx read INFormation Function Returns the information of the camera s Firmware and Timing generator INF Return value x xx y yy x xx Firmware y yy Timing generator 6 Obtaining camera hard...

Страница 34: ...objects This is caused by vertical charge leakage in the CCD The amount of smear is dependent on scan time and exposure time Impact from smear is not an issue for the camera in normal frame blanking mode but sometimes becomes an issue when exposure time is shortened in electronic shutter and external exposure time modes 3 Folding distortion A rough edged flicker may be visible when imaging striped...

Страница 35: ...n the screen Cause Measures Chapter Dirty the lens Wipe the lens Front grass of camera dirty Wipe with gauze dampened with alcohol 2 Image is blurred Cause Measures Chapter Incorrect back focus Dirty the CCD chip Contact Hamamatsu subsidiary or distributor 17 3 Only dark shaded images output Cause Measures Chapter Lens mount cap left on Remove the cap 4 All image overflowing Cause Measures Chapter...

Страница 36: ...on taken from the results and this value was then squired and plugged into a transformation coefficient The standard deviation is calculated from below ROI Single readout mode X Y 1950 950 X Y 2049 1049 100 100 pixels of one region Dual readout mode X Y 1900 1262 X Y 1999 1361 X Y 2000 1262 X Y 2099 1361 100 100 pixels of two regions 2 When running an amp gain transformation coefficient to convert...

Страница 37: ...C9300 124 Ver 1 4 36 14 2 SPECTRAL RESPONSE CHARACTERISTICS Following is the typical spectral characteristics of the CCD ...

Страница 38: ...erface and Base Configuration 12 bit digital camera standard 1 CameraLink connector pin assignment MDR 26 Camera connector Frame grabber connector Channel Link signal 1 1 Inner Shield 2 25 X0 3 24 X1 4 23 X2 5 22 Xclk 6 21 X3 7 20 SerTC 8 19 SerTFG 9 18 CC1 Ext Trigger IN 10 17 CC2 11 16 CC3 12 15 CC4 13 13 Inner Shield 14 14 Inner Shield 15 12 X0 16 11 X1 17 10 X2 18 9 Xclk 19 8 X3 20 7 SerTC 21 ...

Страница 39: ...AL Data valid signal This signal synchronizes in the image data from CCD and it is outputted Each digital data is effective with the period of ON of this signal LVAL Line valid signal This signal show the period during which the line part of the image data from the CCD is in effect This is ON when during the period the line is active FVAL Frame valid signal This signal shows the period during whic...

Страница 40: ...nal trigger pulse polarity can be set either to negative or positive No Signal Pin connections 1 Ext Trigger 2 Digital GND 3 SG output 4 Digital GND 5 NC 6 Digital GND HR10A 7R 6S Do not connect anything to pins 5 and 6 14 3 3 CAMERA CONNECTOR PIN ASSIGN MENT POWER The camera employs HIROSE mode HR10A 10R 12PB connectors No Signal Pin connections 1 GND Camera 2 12 V Camera 3 NC 4 NC 5 NC 6 NC 7 NC...

Страница 41: ...ignal LVAL and the data valid signal DVAL N1 N2 LVAL DVAL Scan mode Normal Single 478 N1 pixel count Dual 443 Single 4000 N2 pixel count Dual 2000 2 Frame timing FVAL The following is the relationship the frame valid timing signal FVAL and the line valid timing signal LVAL N1 N2 FVAL LVAL Scan mode Normal N1 line number 49 N2 line number 2672 ...

Страница 42: ...C9300 124 Ver 1 4 41 15 DIMENSIONAL OUTLINES 15 1 CAMERA Unit mm Depth 8 F mount Depth 8 ...

Страница 43: ...during the warranty period in the event of a natural disaster or if you handle the system contrary to the instructions in this manual use it without due caution or try to modify it 3 We will repair the system or replace it subject to availability free of charge within the terms of the warranty REPAIRS 1 If you notice anything wrong with the camera confirm whether or not it is malfunctioning by ref...

Страница 44: ...Hamamatsu Photonics UK Limited 2 Howard Court 10 Tewin Road Welwyn Garden City Hertfordshire AL7 1BW United Kingdom Telephone 44 1707 294888 Fax 44 1707 325777 E mail info hamamatsu co uk North Europe Hamamatsu Photonics Norden AB Smidesvagän 12 SE 171 41 Solna Sweden Telephone 46 8 509 031 00 Fax 46 8 509 031 01 E mail info hamamatsu se Italy Hamamatsu Photonics Italia S R L Strada della Moia 1 E...

Страница 45: ...C9300 124 Ver 1 4 44 Technical sheet 1 C9300 124 Dimensional outline with Camera mount ...

Страница 46: ...C9300 124 Ver 1 4 45 Technical sheet 2 C9300 124 Dimensional outline without Camera mount ...

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