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Eclipse EC-11-xxx40 Скачать руководство пользователя страница 33

EC-11

 

User’s Manual 

 

33

 

DALSA Corp. 

 

03-32-00418-05 

Figure 7. EIA-644 Data Rate vs. Cable Length  

Cable Length (m)

D

a

ta

 Rate

 (Mb

p

s)

1

1

1000

100

10

2

3

5

10

20% Jitter Measured at ±0100mV Differential

20% Jitter Measured at 0V Differential

CAT3 Cable

Typical Data Rate vs. Cable Length 

(National DS90C031)

 

 

Содержание EC-11-xxx40

Страница 1: ...ECLIPSE EC 11 xxx40 Advanced Line Scan Cameras Camera User s Manual 03 32 00418 rev 05 Printed 4 20 2005 9 26 00 AM...

Страница 2: ...are manufactured using the latest state of the art equipment to ensure product reliability For further information not included in this manual or for information on DALSA s extensive line of image se...

Страница 3: ...ion 16 2 9 Serial Interface 17 Optical and Mechanical Considerations________________________________________ 19 3 1 Mechanical Interface 19 3 2 Optical Interface 22 Troubleshooting____________________...

Страница 4: ...ing the Pre trigger 45 C16 Setting and Reading FPN Coefficients 45 C17 Setting and Reading PRNU Coefficients 46 Communications Protocol _________________________________________________ 47 D1 Protocol...

Страница 5: ...ptics for 512 1024 F mount for 2048 Performance 40MHz single output data rate 8 bit output from 10 bit digitization 512 1024 and 2048 pixels 13 m x 13 m 100 fill factor Line rates up to 64kHz 96 TDI s...

Страница 6: ...rection line rate gain and more and compact 50mm x 50mm x 88mm 350g advanced line scan camera With unmatched sensitivity performance size and an unprecedented array of programmable diagnostic and sign...

Страница 7: ...t 0 6 100 Operating Ranges Units Min Max Notes Data Rate MHz 10 40 3 Line Rate 512 kHz 3 5 64 1 1024 kHz 3 5 34 8 2048 kHz 3 5 17 4 Forward CCD Readout Shift Register CR2S 1F CR2B 1F CR2B 2F TCKF I TD...

Страница 8: ...PRNU corrected max DN 4 6 12 1 4 DC Offset max DN 3 5 7 1 5 Power Supply Current Vin 12V mA 1 512 420 480 1024 430 500 2048 450 540 Notes DN Digital Numbers 0 255 also known as gray levels 1 Min Typ a...

Страница 9: ...to collect a given amount of light energy The way photosensitive elements pixels on CCD image sensors collect charge has often been compared to wells or buckets filling with water From this analogy co...

Страница 10: ...eras the camera s analog to digital A D board converts voltages to digital numbers 0 255 for 8 bit cameras 0 4095 for 12 bit cameras These digital numbers are what the camera outputs as data to a fram...

Страница 11: ...d take these steps 1 Data 2 STROBE 3 LVAL 4 R232 port 5 Power connect You must also set up the other components of your system including light sources frame grabbers camera mounts heat sinks host comp...

Страница 12: ...Circular Male 5 4 6 2 3 1 Mating Part HIROSE HR10A 7P 6S DB9 Female 1 5 9 6 straight through 9 pin serial cable Pin Description Pin Description Pin Description Pin Description 1 N U 19 N U 1 12V to 15...

Страница 13: ...the camera s requirements but they should not be considered the only choices Many high quality supplies are available from other vendors DALSA assumes no responsibility for the use of these supplies U...

Страница 14: ...Logic high for forward direction Logic low for reverse Eclipse defaults to logic high forward 2 6 Data Bus These signals indicate when data is valid allowing you to clock the data from the camera to...

Страница 15: ...he frame grabber The end of line sequence outputs aa 55 line counter line average pixels above threshold pixels below threshold 2 7 Timing Figure 3 EC 11 xxx40 Timing Table 2 Timing Definition Symbol...

Страница 16: ...ou must synchronize the outputs by configuring your system to meet these requirements 1 All cameras must receive identical synchronous EXRCLK and EXSYNC signals max external EXRCLK 40 MHz EXRCLK Pixel...

Страница 17: ...x C and D Functions available include Controlling basic camera functions such as binning horizontal and vertical gain offset line and data rate and direction Pixel by pixel FPN and PRNU correction and...

Страница 18: ...18 EC 11User s Manual 03 32 00418 05 DALSA Corp...

Страница 19: ...front plate of the camera Refer to Figure 3 Mechanical Interface Environment The camera and cables should be shielded from environmental noise sources for best operation The camera should also be kept...

Страница 20: ...Manual 03 32 00418 05 DALSA Corp Figure 4 Mechanical Interface 512 1024 2048 Lens Mount Detail 14 5 12 1 8 1 15 5 2048 Relative position of pixel 1 forward Relative position of pixel 1 forward 25 0 1...

Страница 21: ...2 2x M3 0 0 5 7 DEEP TYP 32 22 2x 148 143 35 25 50 55 Periscope Configuration 25 0 18mm 25 0 18mm 81 2x 32 2x Relative position of pixel 1 512 1024 137 32 M3x0 5 TYP 7 DEEP 32 22 50 148 143 64 33 25 0...

Страница 22: ...cm 2 can be achieved by exposing 5mW cm 2 for 1ms just the same as exposing an intensity of 5W cm 2 for 1 s Light Sources Keep these guidelines in mind when setting up your light source LED light sour...

Страница 23: ...point to the object Figure 5 Primary Points in a Lens System Magnification and Resolution The magnification of a lens is the ratio of the image size to the object size m h h where m is the magnificat...

Страница 24: ...24 EC 11User s Manual 03 32 00418 05 DALSA Corp...

Страница 25: ...2 and 4 3 2 If these solutions do not resolve your problem see section 4 4 on getting product support 4 1 Common Solutions Connections The first step in troubleshooting is to verify that your camera...

Страница 26: ...oscope D0 D7 on the digital output connector The digital output data signal should change value when light is blocked from the camera lens Ensure that the bitpattern that is output just before the act...

Страница 27: ...Temperature To check the internal temperature of the camera use the verify_temperature command For proper operation this value should not exceed 75 C Verify Pixel Coefficients To activate video correc...

Страница 28: ...o not change check that the camera is not saturated by preventing light from entering To verify the data path integrity check the levels of the 2 test pattern pixels first 2 pixels following the last...

Страница 29: ...encoder signal may result in horizontal lines due to exposure time fluctuations ensure that your exposure time is regular If you have verified that your exposure time is consistent and patterns of lo...

Страница 30: ...r Your DALSA Agent or Dealer Acquisition System hardware frame grabber host computer light sources etc Acquisition System software version OS etc Power supplies and current draw Data rate used Control...

Страница 31: ...e receiver to reject common mode voltages This noise rejection improves data integrity and allows cameras to be installed in an industrial environment EIA 644 compatible line receivers and drivers are...

Страница 32: ...e radiated emissions Unused inputs should also be left unconnected EIA 644 chips have fail safe features that guarantee a known logic state HIGH in fault conditions unconnected shorted or unterminated...

Страница 33: ...05 Figure 7 EIA 644 Data Rate vs Cable Length Cable Length m Data Rate Mbps 1 1 1000 100 10 2 3 5 10 20 Jitter Measured at 0100mV Differential 20 Jitter Measured at 0V Differential CAT3 Cable Typical...

Страница 34: ...34 EC 11User s Manual 03 32 00418 05 DALSA Corp...

Страница 35: ...uirements of the standard s EMC FCC Part 15 ICES 003 EN 55022 1998 EN 55024 1998 EN 61000 6 1 2001 This product complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Direct...

Страница 36: ...36 EC 11User s Manual 03 32 00418 05 DALSA Corp...

Страница 37: ...meters through the serial interface To generate this list send the command help to the camera Serial Protocol Defaults 8 data bits 1 stop bit No parity No flow control 9 6Kbps Camera does not echo cha...

Страница 38: ...f video correction coefficients if previously saved 3 Restores user settings if previously saved otherwise factory settings 4 Performs a memory test and voltage test and reports an error if any occurr...

Страница 39: ...s selected using the set_sync_mode mode command through the serial port To set line rate internally use the command set_sync_mode 0 To set line rate externally use the command set_syn_mode 1 When usin...

Страница 40: ...is set and saved separately To subtract the offset or any other background from the output video signal use the set_subtract_background command Subtracted values range from 0 to 511 The values for th...

Страница 41: ...cient for this pixel FPN pixel FPN correction coefficient for this pixel The calibration algorithm is performed in two steps The fixed offset FPN is determined first by performing a calibration withou...

Страница 42: ...on corrects PRNU effects as well as non uniform lighting and lens vignetting affects White light calibration requires a clean white reference The quality of this reference is important for proper cali...

Страница 43: ...uch to increment or decrement the light intensity Or change the gain value using the set_gain command To perform a white light calibration with an analog gain value Use the correction_calibrate_prnu v...

Страница 44: ...pattern to verify the proper timing and connections between the camera and the frame grabber End of line Sequence To further aid debugging the camera can generate an end of line sequence The end of l...

Страница 45: ...l voltages during power up If they are within the proper range the camera returns OK Otherwise the camera returns an error message Note that the voltage measurement feature of the camera provides only...

Страница 46: ...ting and Reading PRNU Coefficients The command set_prnu_coeff integer integer sets the PRNU coefficient The first integer is the pixel number the second integer is a specified value within a range see...

Страница 47: ...stop bit No parity No flow control 9 6Kbps Camera does not echo characters D3 Command Format There are two methods for entering the commands In long form each command is written in its entirety In sh...

Страница 48: ...brate_fpn value CR Long Form ccf CR or ccf value CR D6 Error Handling The camera will send to an empty message i e just a CR All non query functions return OK unless an error occurs If an error occurs...

Страница 49: ...escription calibrate_analog_gain cag Value Calibrates the analog gain Values range from 128 to 250DN This command requires a constant light input and only works in uncalibrated mode calibrate_analog_o...

Страница 50: ...ixel coefficients for both directions to 0 restore_factory_settings rfs Restore the camera s factory settings FPN and PRNU coefficients reset to 0 restore_user_settings rus Restore the camera s last s...

Страница 51: ...t value is the pixel number within the following range 512 pixels range 0 to 511 1024 pixels range 0 to 1023 2048 pixels range 0 to 2047 The second value is a specified value within the range 0 to 511...

Страница 52: ...vm Value Set video mode 0 Output video without pixel correction 1 Output video with pixel correction 2 Test pattern verify_temperature vt Check the internal temperature of the camera verify_voltage vv...

Страница 53: ...ions Updated EMI compliance standard 02 Updated the mechanical interface drawing on page 19 Sensor alignment measurements were wrong 03 Updated the EMC declaration with Hank Helmond s signature and ch...

Страница 54: ...54 EC 11User s Manual 03 32 00418 05 DALSA Corp...

Страница 55: ...erence 30 EMC compliance 22 EMC Declaration of Conformity 33 environmental considerations 18 error codes 45 EXRCLK 14 setting 36 EXSYNC 14 setting 36 troubleshooting 24 F fiber optic light sources 21...

Страница 56: ...12 power supplies 13 pretrigger 42 R rebooting 42 returning calibration results and errors 40 S serial interface 34 serial port 41 settings data rate 36 direction 36 gain 37 line rate 36 pretrigger 4...

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