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C11440-42U30/C11440-42U31 Instruction manual_Ver.1.2

43

9-3-5-4

Global reset

Global reset can work with Edge trigger mode and Level trigger mode in W-VIEW Mode. The
exposure time for both halves is the same with Level trigger mode.

Figure 9-23

(Global reset edge trigger mode)

9-4 REAL-TIME CORRECTION FUNCTIONS

There are a few pixels in the CMOS image sensor that have slightly higher readout noise
performance compared to surrounding pixels. The camera has real-time variant pixel correction
features to improve image quality. The correction is performed in real-time without sacrificing the
readout speed at all. This function can be turned ON and OFF. (Default is ON)

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Содержание C11440-42U30

Страница 1: ...void personal injury and damage to property when using this camera The manual describes the correct handling method of the camera and provides instructions that should be followed to avoid accidents R...

Страница 2: ...Blank page...

Страница 3: ...nd even death Improper handling of the camera without observing these cautions could lead to personal injury to the user or damage to property Note This symbol indicates a note to help you get the bes...

Страница 4: ...o electric shock Do not attempt to dismantle or modify the camera Doing so can also lead to damage and even injury as some internal components become very hot or high voltage Do not touch parts that a...

Страница 5: ...11440 42U30 Be careful not to screw the lens more than 7 mm into the C mount of the camera Doing so can scratch the protective glass Some wide angle lenses in particular can have a thread of 7 mm or m...

Страница 6: ...for AC adapter 1 Lens mount cap attached to the camera 1 C11440 42U30 C11440 42U31 Before Use Booklet 1 C11440 42U30 C11440 42U31 Instruction manual CD ROM 1 Option SMA BNC cable A12106 05 SMA SMA cab...

Страница 7: ...specifications and where the system may be exposed to liquid Close to a strong source of magnetism or ratio waves Places where there are vibrations Places where the system may come into contact with...

Страница 8: ...REA MODE 17 9 2 1 Readout method Scan mode 17 9 2 2 Camera operation modes 18 9 2 3 Frame rate calculation 19 9 2 4 Configuring exposure time 22 9 2 5 Timing chart of camera operation modes 23 9 3 W V...

Страница 9: ...11440 42U31 Instruction manual_Ver 1 2 7 14 DIMENSIONAL OUTLINES 51 14 1 C11440 42U30 for C mount 51 14 2 C11440 42U31 for F mount 52 15 WARRANTY 53 15 1 BASIC WARRANTY 53 15 2 REPAIRS 53 16 CONTACT I...

Страница 10: ...tly minimized In addition there is on chip CDS correlated double sampling circuit which plays an important role in achieving low noise Moreover the sensor features a split readout scheme in which the...

Страница 11: ...r that have slightly higher readout noise performance compared to surrounding pixels For those cases the camera has real time offset level shading and defective pixel correction features to further im...

Страница 12: ...ction manual_Ver 1 2 10 6 NAME AND FUNCTION OF PARTS 1 C11440 42U30 for C mount 2 C11440 42U31 for F mount Do not place the rear panel of the camera which connectors are located to be at the bottom Do...

Страница 13: ...device s require synchronization with the camera Output is 3 3 V LVCMOS level and it is output though BUS TRANSCEIVER IC SN74AVC8T245 Output impedance is 33 Note Determine termination according to ca...

Страница 14: ...era in cloth or other material or block the camera s ventilation If the camera is being operated in an enclosed environment ensure to keep clearance at least 10 cm from both intake and exhaust vents w...

Страница 15: ...ottom Do not block ventilation openings AC adapter This is the cord to supply a power supply Use the accessory AC adapter USB 3 0 interface cable Option This is the cable to connect the USB 3 0 interf...

Страница 16: ...rotection circuit If the internal temperature of the camera becomes abnormally hot the protection circuit operates to inform the user by a buzzer alarm beep tone and lighting the camera s red LED ligh...

Страница 17: ...switch one by one Figure 9 1 The scientific CMOS image sensor used in this camera has an on chip CDS correlated double sampling circuit which plays an important role in achieving low noise In addition...

Страница 18: ...n the rolling shutter the exposure and readout are done line by line Therefore the exposure timing is different on one screen Figure 9 2 But even if the object moves during the exposure the affect of...

Страница 19: ...eadout is a procedure only a region of interest is scanned It is possible to increase the frame rate by reducing the number of vertical lines scanned When a target area is placed in the center of the...

Страница 20: ...ternal equipment In the external trigger mode the external equipment becomes a master and the camera becomes a slave Edge trigger mode Global reset edge trigger mode The edge trigger mode is used so t...

Страница 21: ...e Edge Level 1 Vn 2 1H Exp1 1H 10 External trigger mode Synchronous readout 1 Vn 2 1H 1H 18 The Exp1 value has to be input to the calculation formula below in units of seconds Value of frame rate fps...

Страница 22: ...width Vertical width Calculation formula Free running mode 1 1 1024 1536 2048 1 int Vn 2048 30 1H 1H 1 1 512 1 Vn 2 1H 2 2 4 4 External trigger mode Edge trigger 1 1 1024 1536 2048 112 Vn 2048 1 int V...

Страница 23: ...60 160 160 512 120 273 273 256 240 420 420 128 480 574 574 64 704 704 704 8 877 877 877 External trigger mode Level trigger 2048 30 88 88 1024 60 161 161 512 120 273 273 256 240 421 421 128 480 578 5...

Страница 24: ...Rolling Mode is defined by the following formula 10 s Exp2 Exp1 1 ms to 10 s at sub array 40 s to 10 s Exp2 Exp1 10 6 10 s round up at decimal point Available setting range of the exposure time is th...

Страница 25: ...ing on the exposure time setting Note Please contact to Hamamatsu subsidiary or local distributor for the detail of the timing information 9 2 5 1 1 Normal readout mode The normal readout mode is suit...

Страница 26: ...l shutter mode The electrical shutter mode is used to get a proper signal level when signal overflow happens due to too much input photons in normal readout mode In this mode the fastest frame rate is...

Страница 27: ...detail of the timing information 9 2 5 2 1 Edge trigger mode The edge trigger mode is used so that the exposure starts according to an external signal Exposure time is set by software command In this...

Страница 28: ...r low period of the input trigger pulse The example below is for the trigger level High The exposure of the first line begins when the trigger signal becomes High and the exposure of the second line b...

Страница 29: ...disk rotation speed Also it is useful for securing as long exposure time as possible while controlling the exposure start timings by external trigger signals 1 Normal operation when the trigger times...

Страница 30: ...o in the synchronous readout trigger mode synchronous readout can be controlled by specifying set by command the number of timing pulses to determine the exposure time The following figure shows the e...

Страница 31: ...input for continuous imaging and it works at the highest frame rate because it is operated in free running mode In the start trigger mode the camera starts exposure and switches to free running mode b...

Страница 32: ...and they are output from Timing out connector Note Please refer to Figure 9 5 to Figure 9 11 about details of each trigger output functions 9 2 5 3 1 Global exposure timing output It shows the global...

Страница 33: ...d Camera outputs a pulse after certain delay from the end of sensor readout Also the pulse width can be set Vsync Camera outputs a pulse after certain delay from the beginning of readout Also the puls...

Страница 34: ...2 32 9 2 5 3 4 Multi channel sync The camera provides 3 programmable timing outputs from Timing out connector 1 2 and 3 in a sequence For example these programmable timing outputs are useful to contro...

Страница 35: ...Global reset Global reset function enables to reset the electric charge of all pixels at the same time Then all pixels can start exposure at the same time Global reset can work with Edge trigger mode...

Страница 36: ...C11440 42U30 C11440 42U31 Instruction manual_Ver 1 2 34 9 2 5 4 2 Level trigger mode Figure 9 15...

Страница 37: ...m to center Figure 9 18 Top top to center Figure 9 19 Top center to top Bottom bottom to center Bottom center to bottom W VIEW Mode supports Binning readout Sub array readout and Rapid rolling mode In...

Страница 38: ...and the value of frame rate are as below Calculation formula Vn Number of vertical line Size of the area of one side Exp1 3 ms to 6 s 1H 32 4812 10 6 Free running mode 1 Vn 1H External trigger mode E...

Страница 39: ...rtical width Calculation formula Free running mode 1 1 1024 1536 2048 1 int Vn 1024 30 1H 1H 1 1 512 1 Vn 1H 2 2 4 4 External trigger mode Edge trigger 1 1 1024 1536 2048 56 Vn 1024 1 int Vn 1024 30 1...

Страница 40: ...12 60 160 160 256 120 273 273 128 240 420 420 64 480 574 574 32 704 704 704 4 877 877 877 External trigger mode Level trigger 1024 30 88 88 512 60 161 161 256 120 273 273 128 240 421 421 64 480 578 57...

Страница 41: ...the following Free running mode 3 ms to 6 s 1 ms to 2 s Rapid Rolling Mode Free running mode at Sub array 129 99 s to 6 s The same exposure time is set for the top and bottom areas when the exposure...

Страница 42: ...osure timing becomes the same 9 3 5 1 Free running mode Electrical shutter mode works for the half area whose exposure time is shorter than the other half area exposure in W VIEW Mode When the exposur...

Страница 43: ...er mode The exposure time can be set independently for the top and bottom areas with Edge trigger mode and Start trigger mode in W VIEW Mode The exposure time for both halves is the same with Level tr...

Страница 44: ...xposure timing where all lines in the top area or the bottom area expose at the same time When W VIEW Mode there are two kinds of global exposure timing output for the longer and the shorter exposure...

Страница 45: ...igure 9 23 Global reset edge trigger mode 9 4 REAL TIME CORRECTION FUNCTIONS There are a few pixels in the CMOS image sensor that have slightly higher readout noise performance compared to surrounding...

Страница 46: ...reases proportionally with the exposure time so this can be rectified with dark subtraction Cosmic ray may generate white spot After acquiring an image using a certain exposure time is loaded the CMOS...

Страница 47: ...enter area of the window gently Use Lens Cleaning Paper for cleaning of glass window in front of the CMOS image sensor Use a plastic tweezers and take extra care not to scratch the glass window with t...

Страница 48: ...een Cause Measures Chapter Lens is dirty Wipe the lens 11 2 Image is blurred Cause Measures Chapter Lens is not focused Contact Hamamatsu subsidiary or local distributor 16 Condensation appear Confirm...

Страница 49: ...at 4x4 Binning readout Sensor readout time 33 ms 10 ms Rapid Rolling Mode Readout speed Frame rate at Full resolution 30 fps at 1024 lines at center position 60 fps at 8 lines at center position 7696...

Страница 50: ...osure time for W VIEW Mode Free running mode 3 ms to 6 s 1 ms to 2 s Rapid rolling mode Free running mode Sub array mode 129 99 s to 6 s The same exposure time is set for the top and bottom areas when...

Страница 51: ...efault On Off Interface USB 3 0 Super Speed Interface connector USB 3 0 MicroB type Lens mount C11440 42U30 C mount C11440 42U31 F mount 1 Typical value 2 Digital binning processing in the camera 3 Ca...

Страница 52: ...Dimensional outline 85 mm W 85 5 mm H 120 5 mm D Weight Camera Approx 1 1 kg AC adapter power supply cord Approx 1 0 kg Note Please see 14 DIMENSIONAL OUTLINES for detail of dimensions 5 Applicable st...

Страница 53: ...C11440 42U30 C11440 42U31 Instruction manual_Ver 1 2 51 14 DIMENSIONAL OUTLINES 14 1 C11440 42U30 for C mount...

Страница 54: ...C11440 42U30 C11440 42U31 Instruction manual_Ver 1 2 52 14 2 C11440 42U31 for F mount...

Страница 55: ...during the warranty period in the event of a natural disaster or if you handle the camera contrary to the instructions in this manual use it without due caution or try to modify it 3 We will repair t...

Страница 56: ...o jp Local contact information worldwide can be found at www hamamatsu com The contents of this manual are subject to change without notice The unauthorized duplication or distribution of all or part...

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