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47

Piranha 2 User’s Manual

03-032-00493-14

Teledyne DALSA

4.2 Optical Interface

Dep end ing u p on resolu tion the cam eras can be ord ered w ith d ifferent lens m ou nts. Th e
follow ing table p rovid es this inform ation.

Lens Mounts

Camera
Configuration

Available Lens Mount
Options

1K, 2 Tap

N o m ou nt and C-m ou nt

2K, 2 Tap , 4 Tap

N o m ou nt, C-m ou nt and F-m ou nt

4K, 2 Tap

N o m ou nt and F-m ou nt and
M72x0.75 (10µm m od el only)

4K, 4 Tap

N o m ou nt, F-m ou nt and M72x0.75

6K, 2 Tap

N o m ou nt, F-m ou nt and M72x0.75

6K, 4 Tap

N o m ou nt, F-m ou nt and M72x0.75

8K, 2 Tap

N o m ou nt, and M72x0.75

8K, 4 Tap

N o m ou nt, and M72x0.75

All C-m ou nt an d  F-m ou nt ad ap ters h ave the ap p rop riate back focal d istance for the lens
typ e being u sed . Ensu re that the im age circle d iam eter of the lens to be u sed  is as great as
the length of the im aging region. The follow ing table p rovid es inform ation regard ing the
lens m ou nt u sed  an d  the back focal d istan ce. The M72x0.75 len s ad ap ter origin ated  from
the high-end  p h otograp hy stand ard . Distan ces to its inner flat su rface and  the ou ter flat
su rface are p rovid ed .

Mount

Back Focal Distance (sensor die to
adapter)

C-Mou nt

17.52 ±0.25m m

F-Mou nt

46.5 ±0.25m m

M72x0.75

19.55m m (nom inal)—ou ter flat su rface

Detailed m echanicals, inclu d ing front p late op ening sizes, and the d istance from the
sensor d ie to the op ening, can be fou nd in section 4.1 Mechanical Interface.

N ote:

Len s m anu factu rers h ave read ily available lens m ou nts and len ses to ad ap t to the

M72x0.75 ad ap ter available on the 6K an d 8K cam eras.

Illumination

The am ou nt an d  w avelength s of light requ ired  to cap tu re u sefu l im ages d ep end  on t he
p articu lar ap p lication. Factors inclu d e the natu re, sp eed , and  sp ectral characteristics of
objects being im aged , exp osu re tim es, light sou rce characteristics, environm ental an d
acqu isition system  sp ecifics, and  m ore. The Know led ge Center p age on ou r w eb site,
w w w .teled yned alsa.com / m v/ know led ge/ ap p n otes.asp x, has an introd u ction to this
p otentially com p licated  issu e p osted . See ―Rad iom etry an d  Photo Resp onsivity‖ and
"Sen sitivities in Photom etric Units" in the CCD Technology Prim er fou nd  u nd er the
Ap p lication Su p p ort link.

It is often m ore im p ortant to consid er exp osu re than illu m ination. The total am ou nt of
energy (w hich is related to the total nu m ber of p hoton s reaching the sen sor) is m ore
im p ortant than the rate at w hich it arrives. For exam p le, 5



J/ cm

2

can be achieved by

exp osing 5m W/ cm

2

for 1m s ju st the sam e as exp osing an intensity of 5W/ cm

2

for 1



s.

All manuals and user guides at all-guides.com

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Содержание Piranha 2 Series

Страница 1: ...P2 4x xxx40 P2 2x xxx30 Camera User s Manual Revised 5 4 2011 10 27 00 AM Line Scan CCD Cameras 4 May 11 03 032 00493 14 www teledynedalsa com All manuals and user guides at all guides com a l l g u i...

Страница 2: ...oximately 1 000 employees worldwide headquartered in Waterloo Ontario Canada Established in 1980 the company designs develops manufactures and markets digital imaging products and solutions in additio...

Страница 3: ...__ 23 3 1 Overview 23 3 2 Command Format 23 3 3 Processing Chain 24 3 4 Startup 25 3 5 Saving and Restoring Settings 25 3 6 Setting Baud Rate 26 3 7 Setting the Data Mode 26 3 8 Setting the Video Mode...

Страница 4: ...Link Reference _________________________________________________ 59 EMC Declaration of Conformity______________________________________________ 61 Communications Protocol _____________________________...

Страница 5: ...me line rate gain offset bit depth test pattern and diagnostics Flat field correction minimizes sensor FPN and PRNU lens vignetting and non uniform lighting Camera Link interface Single 12V to 15V pow...

Страница 6: ...ra Link high speed serial standard The camera is sensitive but still provides quiet uniform output thanks to CDS correlated double sampling and embedded flat field correction algorithms Gain and offse...

Страница 7: ...4k Image Sensor 2k 4k 10 m 4 tap models N Pinned Photodiodes 10 m x 10 m 4 I 32 S 4 I 32 S CCD Readout Shift Regis ter CCD Readout Shift Regis ter 5 I 5 I 4 I 4 I TCK PR VPR VS TOR CR1S CR2S CR1B CR2B...

Страница 8: ...or greater the amount of dark current will be reduced by 10x or greater N Pinned Photodiodes 7 m x 7 m 4 I 32 S 4 I 32 S CCD Readout Shift Regis ter CCD Readout Shift Regis ter 5 I 5 I 4 I 4 I TCK PR...

Страница 9: ...2 4 o p mA 620 840 Time to power up typ sec 15 Time to calibrate FPN PRNU 1024 sec 10 2048 sec 19 4096 sec 38 6144 sec 85 8192 sec 115 Specification Units Min Max Notes Data Rate per tap 40 MHz model...

Страница 10: ...he environment conditions represent the state of the environment when the camera was being tested Typical results are the average values obtained with at a 1kHz line rate and 30 C Maximum results repr...

Страница 11: ...d 1K and 2K ECD ECE DN 5 18 5 23 8 10 39 4k ECD ECE DN 9 28 10 28 12 2 0 43 6K and 8K ECD ECE DN 15 38 16 38 14 2 7 55 PRNU corrected ECD ECE DN 1 5 2 3 3 1 2 1 5 3 8 2 3 5 5 27 2 DC Offset DN 4k and...

Страница 12: ...2 00493 14 Teledyne DALSA Figure 5 P2 Responsivity Responsiv ity DN nJ cm 2 Wavelength nm 10 m pixels 7 m pixels 0 4 1000 800 600 400 500 700 900 8 12 20 24 16 Responsivity Nominal Gain All manuals an...

Страница 13: ...er components of your system including light sources frame grabbers camera mounts heat sinks host computers optics encoders and so on 2 2 Input Output 12V to 15V and Ground Camera Link 2 and 4Tap mode...

Страница 14: ...IR2 16 11 Y1 PAIR2 4 23 Y2 PAIR3 17 10 Y2 PAIR3 5 22 Yclk PAIR4 18 9 Yclk PAIR4 6 21 Y3 PAIR5 19 8 Y3 PAIR5 7 20 100 ohm PAIR6 20 7 terminated PAIR6 8 19 Z0 PAIR7 21 6 Z0 PAIR7 9 18 Z1 PAIR8 22 5 Z1 P...

Страница 15: ...G 21 6 SerTFG 9 18 CC1 22 5 CC1 10 17 CC2 23 4 CC2 11 16 CC3 24 3 CC3 12 15 CC4 25 2 CC4 13 13 inner shield 26 26 inner shield Unused pairs should be terminated in 100 ohms at both ends of the cable T...

Страница 16: ...ow fuse between power supply and camera Visit http vfm dalsa com for a list of companies that make power supplies that meet the camera s requirements The companies listed should not be considered the...

Страница 17: ...and you should refer to the Camera Link Implementation Road Map available from the Knowledge Center page on the Teledyne DALSA website www teledynedalsa com mv knowledge appnotes aspx for the standar...

Страница 18: ...55 aa Refer to the table below Location Value Description 1 A s By ensuring these values consistently toggle between aa and 55 you can verify cabling i e no stuck bits 2 5 s 3 A s 4 4 bit counter LSB...

Страница 19: ...2 00493 14 Teledyne DALSA 2 7 Timing Figure 6 Piranha 2 Overview Timing Showing Input and Output Relationships Figure 7 Piranha 2 Fixed Programmed Integration Timing with External EXSYNC All manuals a...

Страница 20: ...the falling edge of EXSYNC to the rising edge of LVAL when pretrigger is set to zero Pretrigger reduces the number of clocks to the rising edge of LVAL but doesn t change the time to the first valid p...

Страница 21: ...are reset 2 640 twSYNC_INT The minimum width of the high pulse when the SMART EXSYNC feature is turned off 132 twSYNC_INT SMART Is the integration time when the SMART EXSYNC feature is available and...

Страница 22: ...otosite reset 2 640 264 tPR_SET The nominal time that the photo sites are integrating Clock synchronization will lead to integration time jitter which is shown in the specification as values The user...

Страница 23: ...I based protocol The complete protocol is described in Appendix C Communications Protocol Online Help For quick help the camera can return all available commands and parameters through the serial inte...

Страница 24: ...processing chain contains two elements a gain stage and an offset stage The digital processing chain contains the FPN correction PRNU correction background subtract and a system gain stage The softwa...

Страница 25: ...the prompt OK if no error occurred or an error code if a problem has been discovered 3 5 Saving and Restoring Settings The camera provides a number of commands for restoring storing and saving settin...

Страница 26: ...x sdm i Syntax Elements i See Table 8 Mode Selection Values below for allowable parameter values Notes To obtain the current data mode use the command gcp Example sdm 0 In the table below ports A F re...

Страница 27: ...Programmable Exposure Time Mode SYNC PRIN Description 1 Internal Internal No No Maximum line rate and exposure time factory setting 2 Internal Internal Yes Yes Exposure control OFF until a set command...

Страница 28: ...set Example sem 3 Setting Line Rate Camera must be operating in exposure mode 2 To set the line rate use the command Syntax ssf i Syntax Elements i Desired line rate in Hz Allowable range is 1000Hz t...

Страница 29: ...the region of pixels used in the cag cao gl gla ccf and ccp commands To define a region of interest use the command Syntax roi x1 x2 Syntax Elements x1 Pixel start number Must be an odd number and le...

Страница 30: ...ixel to display on screen Allowable range is 1 to sensor pixel count This parameter does not affect the Min Max and Mean statistics generated at the end of the line output Notes If you do not specify...

Страница 31: ...affect the Min Max and Mean statistics generated at the end of the line output Notes If you do not specify a pixel range to display the line output will display all sensor pixels on screen If a region...

Страница 32: ...ure line rate and gain The offset for calibrated and uncalibrated video is set and saved separately Example sao 0 200 Subtracting Offset or Background To subtract the video scene offset or any other b...

Страница 33: ...reach its maximum Use the ssg command to correct for this See section 3 13 Setting Gains for details on the ssg command Available in calibrated mode only svm 1 Example sdo 0 100 Calibrating Offset To...

Страница 34: ...2 To set the digital gain following a background subtraction use the command Syntax ssg t i Syntax Elements t Tap selection Allowable range is 1 to 4 or 0 for all taps i Gain setting The gain ranges...

Страница 35: ...age distortion caused by the following factors Fixed Pattern Noise FPN Photo Response Non Uniformity PRNU Lens and light source non uniformity The two point correction is implemented such that for eac...

Страница 36: ...alibration Steps Overview 1 Change camera video mode to calibrated using the command svm 1 2 Set up the camera operating environment i e line rate exposure gain etc 3 Make sure there are suitable cali...

Страница 37: ...ibration White light calibration is more complex than dark calibration because the camera attempts to create a flat white image This calibration corrects PRNU effects as well as non uniform lighting a...

Страница 38: ...to 1007DN for 10 bit data mode If value is left blank current gain values are used 4 After the calibration is complete you can save these settings to non volatile memory so they will be remembered aft...

Страница 39: ...t Patterns The camera can generate a test pattern to aid in system debugging Use the command svm 2 to activate the test pattern The test pattern is a ramp from 0 to 255DN then starts at 0 again Use th...

Страница 40: ...t parameter is the monitoring task and the second parameter is the enable or disable value to display the status of all the defined monitory tasks if no parameter is passed and or to enable disable sp...

Страница 41: ...a returns an error message Note that the voltage measurement feature of the camera provides only approximate results typically within 10 They should not be used to set the applied voltage to the camer...

Страница 42: ...42 Piranha 2 User s Manual 03 032 00493 14 Teledyne DALSA All manuals and user guides at all guides com...

Страница 43: ...PRNU dark offset random noise and other performance specifications especially when a camera is significantly gained i e 10db Generally dark current doubles for every 7 C increase in temperature at th...

Страница 44: ...ovide a greater surface area for convection airflow Mount fans away from the camera to avoid vibration and direct the airflow on the heat fins to decrease the temperature delta between ambient and fro...

Страница 45: ...x 5 0 Deep 6 0 4x 49 3 53 8 Units mm 54 9 2x 10 5 6k 8k 7 m 4k 10 m 2 tap with large format adapter 6k 7 m 4k 10 m 2 tap with F mount 62 3 89 2 32 5 9 1 2x 3 5 2x 46 81 2x 58 0 2x 65 0 85 0 10 5 54 9...

Страница 46: ...1 00 0 18 Pixel 1 8k 13 83 0 18 19 1 2x 3 5 2x 46 81 2x 78 0 2x 85 0 46 81 2x 58 0 2x 65 0 85 0 32 5 9 1 2x 3 5 2x M3x0 5 6H 4x 7 0 deep M2x0 4 6H 4x 7 0 deep 54 9 2x 32 1 2x 10 5 25 0 Slimeline 8k 4...

Страница 47: ...M72x0 75 19 55mm nominal outer flat surface Detailed mechanicals including front plate opening sizes and the distance from the sensor die to the opening can be found in section 4 1 Mechanical Interfa...

Страница 48: ...nd the CORION HR 750 series hot mirror Lens Modeling Any lens surrounded by air can be modeled for camera purposes using three primary points the first and second principal points and the second focal...

Страница 49: ...the object distance must be 450mm 0 450m 10 100 45 450 0 450 m m mm OD OD mm m 4 3 Compliance The Piranha 2 cameras have been designed for EMC compliance The test setup has been verified to the follow...

Страница 50: ...50 Piranha 2 User s Manual 03 032 00493 14 Teledyne DALSA All manuals and user guides at all guides com...

Страница 51: ...erroneous calibration ensure that you perform flat field correction only after a charge buildup has dissipated over 24 hours 5 2 Protecting Against Dust Oil and Scratches The CCD window is part of the...

Страница 52: ...Sensor Window 1 Use compressed air to blow off loose particles This step alone is usually sufficient to clean the sensor window 2 If further cleaning is required use a lens wiper moistened with alcoho...

Страница 53: ...blem see section 6 4 on getting product support 6 1 Common Solutions Connections The first step in troubleshooting is to verify that your camera has all the correct connections Power Supply Voltages C...

Страница 54: ...ify the factory settings Verify Timing and Digital Video Path Use the test pattern feature to verify the proper timing and connections between the camera and the frame grabber and verify the proper ou...

Страница 55: ...e command els 0 Use the sut and slt commands to set threshold values between 0 and 255 for 8 bit data modes or 0 to 1023 for 10 bit data modes LED Status Located on the back of the camera is a red gre...

Страница 56: ...aporating from the window surface as this will end up leaving residue and streaking behind 7 Repeat steps 2 4 using a clean tissue until the entire window has been cleaned 8 Blow off any adhering fibe...

Страница 57: ...Horizontal Lines or Patterns in Image A faulty or irregular encoder signal may result in horizontal lines due to exposure time fluctuations ensure that your exposure time is regular If you have verif...

Страница 58: ...58 Piranha 2 User s Manual 03 032 00493 14 Teledyne DALSA All manuals and user guides at all guides com...

Страница 59: ...s ANSI TIA EIA 644 was approved in March 1996 LVDS uses differential signaling with a nominal signal swing of 350mV differential The low signal swing decreases rise and fall times to achieve a theoret...

Страница 60: ...rame grabber SerTC Differential pair with serial communications to the camera The serial interface will have the following characteristics one start bit one stop bit no parity and no handshaking It is...

Страница 61: ...of the standard s EMC EN55022 1998 EN55024 1998 EN61326 2002 This product complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC and carries the CE mar...

Страница 62: ...62 Piranha 2 User s Manual 03 032 00493 14 Teledyne DALSA All manuals and user guides at all guides com...

Страница 63: ...arriage return CR ends each command Values in square brackets are optional There are two methods for entering the commands In long form each command is written in its entirety In short form only a pre...

Страница 64: ...era ID The camera ID is a single case insensitive ASCII alphanumeric character A to Z or 0 to 9 To change the network ID for a camera use the command sci i i Where the first parameter is an ID of A to...

Страница 65: ...nt to all cameras on the network at the same time After a broadcast command is sent and before issuing the next command each camera on the link must be polled until a READY status is returned A BUSY s...

Страница 66: ...by using network version of the gps command Example reading status from camera ID a a gps Enabling Disabling Non Command Messages in the Network Environment To enable disable camera messages unrelate...

Страница 67: ...s for errors informal messages and monitoring task messages Refer to section E7 for a list of all available commands Error Codes Code Description Suggested Cause 0 Command executed successfully Comman...

Страница 68: ...geted video level 22 Analog gain calibration failure Analog gain calibration failure could not tune the analog gain to obtain targeted video level 23 CRC check failure while attempting to restore the...

Страница 69: ...ocess 64 INFO Calibration may be out of specification FPN coefficient clipped ccf several coefficients were clipped during the ccf command process 128 INFO Calibration may be out of specification DO F...

Страница 70: ...Network ID x Camera network id set with the sci command Network Message Mode disabled Displays whether network messages are enabled or disabled Set with the snm command See C4 Networking Mode for det...

Страница 71: ...ng Offset Performance and Dark Calibration page 36 for details Digital Offset 0 0 0 0 Digital offset value set with the sdo command Available only in calibrated mode svm 0 See section 3 12 Optimizing...

Страница 72: ...details Data Mode 0 Current data mode value set with the sdm command See section 3 7 Setting the Data Mode for details Exposure Mode 2 Current exposure mode value set with the sem command See section...

Страница 73: ...07DN for 10 bit This command requires a constant light input and only works in uncalibrated mode 1 calibrate_analog_offset cao t i Calibrates the analog offset The first parameter is the tap selection...

Страница 74: ...est pattern displaying one pixel value after another and the minimum maximum and mean value of the sampled line Optional pixel start and end values in a range from 1 to sensor pixel count 15 get_line_...

Страница 75: ...te sbr i Set speed of serial communication port Baud rates 9600 19200 57600 and 115200 Default baud 9600 26 set_camera_id sci s s Set camera ID The first parameter is a character A to Z or 0 to 9 The...

Страница 76: ...the range 0 to 127 32 set_gain sg t f Set the analog gain The first parameter is the tap selection 1 to 4 0 for all taps The second parameter is a gain value specified from 10 to 10 A gain value of 0...

Страница 77: ...255 in 8 bit data modes and 0 to 1023 in 10 bit 41 set_video_mode svm i Switch between calibrated and uncalibrated modes 0 Uncalibrated video deactivate video correction 1 Calibrated video activated...

Страница 78: ...78 Piranha 2 User s Manual 03 032 00493 14 Teledyne DALSA All manuals and user guides at all guides com...

Страница 79: ...s indicated are the values obtained after issuing the cao 0 5 calibrate analog offset command The plot shows the DC offset over temperature at maximum gain with the optimal offset calibration limit be...

Страница 80: ...ure is approximately 15 C less than the internal camera temperature Camera gain is 10dB Worst case calibrated DC offset VS temperature and exposure time 0 10 20 30 40 50 60 70 80 15 5 27 5 36 5 45 56...

Страница 81: ...128 and changed it to 64 On page 31 Calibrating Gains changed allowable ranges from 64 was 128 to 251 and 256 was 512 to 1007 Added error message 28 and 29 on page 64 Removed error message 20 Added in...

Страница 82: ...s power and power supply current specs 11 Added 2k 4 tap model to Section 1 2 Image Sensors Figure 2 IT P1 4k Image Sensor 2k 4k 10 m 4 tap models Section 1 3 Camera Performance Specifications power a...

Страница 83: ...oved from page 37 as this feature is not available for this camera model 3 The variance in light intensity across the target must not be more than 4 to 1 Because the maximum per pixel digital gain is...

Страница 84: ...84 Piranha 2 User s Manual 03 032 00493 14 Teledyne DALSA All manuals and user guides at all guides com...

Страница 85: ...44 dark patches 56 Data Bus 17 data mode 26 debugging 18 39 53 digital data 17 E EIA 644 Reference 59 EMC compliance 49 EMC Declaration of Conformity 61 end of line sequence 18 generating 39 environm...

Страница 86: ...s of camera 40 optical interface 47 output mode 26 P performance 9 pixel statistics 29 power supplies 16 pretrigger 41 PRIN 16 PRNU 37 39 R rebooting 41 region of interest 29 responsivity graph 12 roi...

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