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1M28-SA
1M75-SA

One Megapixel CMOS Stop Action Camera Family

Camera User’s Manual

03-32-00525 rev 03

Printed 06/12/03 4:43 PM

Содержание 1M75-SA

Страница 1: ...1M28 SA 1M75 SA One Megapixel CMOS Stop Action Camera Family Camera User s Manual 03 32 00525 rev 03 Printed 06 12 03 4 43 PM...

Страница 2: ...nt to ensure product reliability All electronic modules and cameras are subjected to a 24 hour burn in test For further information not included in this manual or for information on DALSA s extensive...

Страница 3: ...___ 19 2 1 Configuration 19 2 2 Installation Overview 19 2 3 Input Output 20 2 4 Default Settings 20 2 5 Connectors 20 2 6 Power Supplies 22 2 7 Control Inputs Camera Link 22 2 8 Data Bus Camera Link...

Страница 4: ...4 PRELIMINARY 1M28 and 1M75 User s Manual 03 32 00525 03 DALSA...

Страница 5: ...1024 resolution Up to 75 frames per second fps CMOS image sensor LINLOG output response Windowing capability for increased frame rates CE compliant shock and vibration tested Single 5V power supply in...

Страница 6: ...e illumination differences Some applications include Electronics manufacturing Welding inspection Traffic management 1 2 Image Sensor The 1M28 and 1M75 cameras use a high performance megapixel CMOS im...

Страница 7: ...nation 10 K Maximum size of bright clusters at dark 2 L Maximum size of bright clusters under illumination 2 M Maximum size of dark clusters under illumination 6 Notes 1 Blemishes are measured over an...

Страница 8: ...rmal pixel Hot pixels are isolated single pixel defects They follow the general rule of thumb for dark current where the dark current doubles every 7 8 C They are more easily recognizable when the cam...

Страница 9: ...ion of dark blemishes 1 3 Pixel Response Three principal modes of pixel response are possible Linear response LINLOG response for high dynamic imaging and logarithmic response for high dynamic imaging...

Страница 10: ...are exposed at the same time which prevents motion artefacts known from classical logarithmic sensors The LINLOG technology further overcomes image lag or ghost images related to the slow response sp...

Страница 11: ...the center of gravity of the histogram of the overexposed areas Center of gravity of histogram Gray scale 160 Gray scale 200 decrease LL1 increase LL1 Phase 2 Rough setting for COMP Initial value 5 Ta...

Страница 12: ...L1 Take a picture Is the contrast in the overexposed areas acceptable too high too low Yes Phase 4 Black adjust Fine adjustment of LL1 LL2 COMP Black adjust Phase 5 Adjustment of characteristics using...

Страница 13: ...short exposure times since it significantly increases the FPN created by thermal current The skimming gain can be combined with LINLOG response though the LINLOG transition parameters have to be chose...

Страница 14: ...int 10ms 626nm 0 50 100 150 200 250 0 00E 00 1 00E 05 2 00E 05 3 00E 05 4 00E 05 Intensity W cm2 Greyscale No skimming Skimming on Figure 8 Highlight of Low Intensity Values Tint 10ms 626nm Zoom in 0...

Страница 15: ...xel matrix through the region of interest function The benefit of limiting the region of interest is the resulting increase in frame rate In Y direction the ROI can be placed arbitrarily and can be as...

Страница 16: ...its Min 1M28 and 1M75 Max 1M28 Max 1M75 Notes Data Rate Internal MCLK MHz 28 375 40 External MCLK MHz 20 1M28 10 1M75 28 375 20 Temperature C 0 40 40 1 Frame Rate Units Min Max 1M28 Max 1M75 Notes Ful...

Страница 17: ...NU rms max DN 1x 2 5 Skimming off Gain off 4x 5 0 Skimming on Gain off 4x 15 0 Skimming off Gain on 16x 15 0 Skimming on Gain on DC Offset DN Programmable Power Supply Current Vin 5V Units Typ Max mA...

Страница 18: ...18 PRELIMINARY 1M28 and 1M75 User s Manual 03 32 00525 03 DALSA...

Страница 19: ...to the requirements of their own application You can also save the set of default values to a file over the asynchronous serial communications interface or restore default settings saved in a file to...

Страница 20: ...bits 8 bits Output response Linear Linear Gain 1x 1x Resolution Full resolution 1024 x 1024 Full resolution 1024 x 1024 Exposure time 10 ms 12 ms Frame rate 20 fps 25 fps Data rate 28MHz 2x40MHz 2 5...

Страница 21: ...2 5 22 Xclk 18 9 Xclk 6 21 X3 19 8 X3 7 20 SerTC 20 7 SerTC 8 19 SerTFG 21 6 SerTFG 9 18 CC1 22 5 CC1 10 17 CC2 23 4 CC2 11 16 CC3 24 3 CC4 12 15 inner shield 25 2 inner shield Table 7 DALSA Camera Co...

Страница 22: ...Link MDR26F connector All inputs are optional The camera ships in free running mode Refer to section 3 for more information on setting frame rates and exposure times and camera modes EXSYNC Triggers...

Страница 23: ...ulse During integration and readout all further trigger pulses are ignored The maximum rate at which the camera accepts external triggers is defined by the frame timer The minimum exposure time for an...

Страница 24: ...s are exposed to light for the same amount of time resulting in crisp images that do not suffer from the time displacement artefacts characteristic of rolling shutter CMOS cameras Figure 14 Global Shu...

Страница 25: ...edge of the pixel clock The signals FRAME_VALID FVAL and LINE_VALID LVAL mask valid image information The number of clock pulses after exposure CPRE is defined by the calculation of the frame time Fig...

Страница 26: ...red Mode with External Edge Triggered Exposure Control In triggered mode with external edge exposure control sensor control is reset with the rising edge of an eternal trigger pulse after which exposu...

Страница 27: ...Table 14 on page 37 2 11 LED Status A status LED on the backside of the camera provides the following information about the state of the camera In normal operation mode the LED shows a green light whi...

Страница 28: ...28 PRELIMINARY 1M28 and 1M75 User s Manual 03 32 00525 03 DALSA...

Страница 29: ...camera can also be used without the serial interface after it has been set up correctly To configure the camera through the serial interface you must use the PFRemote configuration tool For details on...

Страница 30: ...on your computer Alternately the latest version of the software is also available at http vfm dalsa com docs docs asp in the Software folder Opening PFRemote Before running PFRemote make sure that you...

Страница 31: ...current factory settings This will enable you to recover the factory settings if they are accidentally overwritten To save the factory settings 1 Select Tools Dump EEPROM 2 Locate where you want to s...

Страница 32: ...ing of each module To avoid problems with modified presets and to ensure the restoration of original values we recommend that you save the factory presets to an external storage media To save and rest...

Страница 33: ...tings click Reread all See the following section for register descriptions 3 4 Register Descriptions Table 9 Sensor control registers address 0 to 63 REG Decimal Value REG Hexadecimal Value Read R Wri...

Страница 34: ...R W MSB Frame pause 24 18 R W LSB ROI X0 boundary condition for Region Of Interest ROI Sensor matrix 25 19 R W MSB ROI X0 boundary condition for Region Of Interest ROI Sensor matrix 26 1A R W LSB ROI...

Страница 35: ...cate with the EEPROM of the camera See Appendix C on page 49 for more information on these registers Register address 04H and 05H Status registers The bits of status registers 3 address 04H and 4 addr...

Страница 36: ...e 12 Mode register 0 Register address REGADDR 6D 06H Register address 6 MODE0_REG Bit Name Description Default 0 ENABLE0 Camera on 1 Camera in operation 1 1 ENABLE1 Invert Pixel Clock 1 phase shift of...

Страница 37: ...of the camera You should use the LSFR test pattern for data path integrity Alternately you can turn on the dummy line With the help of the dummy line the transfer of data from the camera to the frame...

Страница 38: ...negative edge of EXPOSURE Signal 0 3 POLARITY_SYNC_EXPOSURE 1 SYNC_EXPOSURE active HIGH i e rising edge EXSYNC Signal EXSYNC and EXPOSURE on falling edge EXSYNC Signal Exposure off 0 4 EN_SHUTTER 1 S...

Страница 39: ...t at the beginning of the next frame Invalid values must be prevented via software Values x0 x1 or y0 y1 are ignored by the camera For full resolution x0 y0 0 0 x1 y1 1023 1023 Register 32 Line pause...

Страница 40: ...is a low level communication interface to framegrabber s RS232 emulation The PFLIB API can be used with the following framegrabbers All framegrabbers with a looped in COM port Framegrabbers with a ful...

Страница 41: ...al and Mechanical Optical and Mechanical Optical and Mechanical Considerations Considerations Considerations Considerations 4 1 Mechanical Interface Figure 21 Camera Dimensions 55 55 30 1 1 32st 6 10...

Страница 42: ...00525 03 DALSA 4 2 Optical Interface The cameras come with a built in C mount lens adapter with the appropriate back focal distance 17 52 0 18mm 4 3 Compliance The IM28 and 1M75 have passed the follow...

Страница 43: ...ng for controlling camera settings The cameras from DALSA have a Camera Link compatible interface The following communication settings from the asynchronous serial communications protocol have been ch...

Страница 44: ...44 PRELIMINARY 1M28 and 1M75 User s Manual 03 32 00525 03 DALSA...

Страница 45: ...111100011 68 203 1100000001 100 2CA 0101001101 5 024 0010010000 37 23E 0111110001 69 007 1110000000 101 195 1010100110 6 049 1001001000 38 07C 0011111000 70 00F 1111000000 102 32B 1101010011 7 092 010...

Страница 46: ...0010 168 03A 0101110000 200 358 0001101011 232 265 1010011001 137 20B 1101000001 169 074 0010111000 201 2B1 1000110101 233 0CA 0101001100 138 017 1110100000 170 0E9 1001011100 202 163 1100011010 234 1...

Страница 47: ...Captured picture with active 10bit LFSR References SMITH00 Douglas J Smith HDL Chip Design 7 Auflage 2000 Doone Publications Madison AL S 179 186 ISBN 0 9651934 3 8 Example VHDL Code signal REG STD_L...

Страница 48: ...48 PRELIMINARY 1M28 and 1M75 User s Manual 03 32 00525 03 DALSA...

Страница 49: ...ommand SEND_PROM to the EEPROM The result can than read from register address 0 An overview of the registers that are used for the EEPROM programming is shown in Table 19 In order to be able to write...

Страница 50: ...able In these cases only the steps 3 5 have to be used The transmission protocol of the RS232 interface is defined in Appendix C Table 20 Access steps for the EEPROM Step Action 1 Write data byte D7 D...

Страница 51: ...xxx OP Code 00 2 bits xxxx x11x Extended OP code A10 A8 11x 3 bits 3 0000 0110 06 Write OP Code in register address 02H 00xx xxxx READ from address xx00 0100 Address 04H 4 0000 0100 04 Read status reg...

Страница 52: ...52 PRELIMINARY 1M28 and 1M75 User s Manual 03 32 00525 03 DALSA...

Страница 53: ...etic specifications 6 D D D D dark blemishes 8 data bus 21 data rate 15 defaults 19 28 description 5 digital data 22 dummy test row 26 dynamic range 15 E E E E EEPROM configuration 48 loading settings...

Страница 54: ...R R R randomnumber generator 44 recover factory settings 30 region of interest ROI 14 registers 31 descriptions 32 modifying 31 reading 31 reserved 32 response gain 11 linear 8 LINLOG 9 pixel 8 RMS no...

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