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Falcon 4M Camera Manual

03-032-20044-01

DALSA

48

3.7.5 Performing PRNU Calibration

Purpose:

Performs PRNU calibration to a targeted, user defined value and
eliminates the difference in responsivity between the most and least
sensitive pixel creating a uniform response to light. Using this
command, you must provide a calibration target.
Executing these algorithms causes the

ssb

command to be set to 0

(no background subtraction) and the

ssg

command to 4096 (unity

digital gain). The pixel coefficients are disabled (

epc 0 0

) during

the algorithm execution but returned to the state they were prior to
command execution.

Syntax:

cpa x y

Syntax Elements:

x

PRNU calibration algorithm to use:

2

= Calculates the PRNU coefficients using the entered target

value as shown below:

PRNU

Coefficient

=

Target

(AVG

Pixel

Value

)

‐

(FPN

+

value)

sdo

i

i

i

This algorithm is useful for achieving uniform output across
multiple cameras. It is important that the target value (set with
the next parameter) is set to be greater than 1.2X than the
average signal level when FPN correction is enabled (EPC 1 0).
This is to ensure that full signal swing can be reached for most
pixels.

y

Peak target value in a range from 1 to 1023DN. The target value
must be greater than the current peak output value. If some
pixels are below the target value then the PRNU coefficients for
said pixels will be set to 1X (ie. PRNU coefficients can never be
less than 1X). Similarly the maximum PRNU coefficient is 4X, if
more is needed it will clip at 4X.

Notes:

Calibrate FPN before calibrating PRNU. If you are not
performing FPN calibration then issue the

rpc

(reset pixel

coefficients) command and set the

sdo

(set digital offset) value

so that the output is near zero under dark. FPN calibration is
highly recommended, the use of SDO is not.

The

cpa

command is not available when the camera is using the

factory calibrated coefficients (

csn 0-7

). You must select the

user coefficient set (

csn 8-15

) before you can perform PRNU

calibration. An error message is returned if you attempt to
perform PRNU calibration when using

csn 0-7

.

Example:

cpa 2 700

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Summary of Contents for Falcon 4M30

Page 1: ...Falcon 4M30 and 4M60 Camera User s Manual PT 41 04M60 XX R PT 21 04M30 XX R 4 Megapixel 30 60 fps Area Scan Cameras 27 Oct 08 03 032 20044 01 www dalsa com ...

Page 2: ...he Toronto Stock Exchange under the symbol DSA The Company has its corporate offices in Waterloo ON and over 1000 employees worldwide For further information not included in this manual or for information on DALSA s extensive line of image sensing products please call DALSA Sales Offices Waterloo Europe Asia Pacific 605 McMurray Rd Waterloo ON N2V 2E9 Canada Tel 519 886 6000 Fax 519 886 8023 www d...

Page 3: ... 20 3 1 First Power Up Camera Settings 22 3 2 Saving and Restoring Settings 23 3 3 Camera Output Format 24 3 3 1 How to Configure Camera Output 24 3 3 2 Setting the Camera Link Mode 25 3 3 3 Setting the Camera Link Strobe Frequency 26 3 4 Setting Exposure Mode Frame Rate and Exposure Time 26 3 4 1 Non concurrent vs concurrent modes of operation 26 3 4 2 Setting the Exposure Mode 28 3 4 2 Setting t...

Page 4: ...________________________________________________ 64 5 1 Common Solutions 64 5 2 Troubleshooting Using the Serial Interface 65 5 3 Specific Solutions 65 5 4 Product Support 67 Camera Link Reference Timing and Configuration Table__________________________ 68 Error Handling and Command List ___________________________________________ 74 B1 All Available Commands 74 EMC Declaration of Conformity______...

Page 5: ...ter frame rate 7 4 µm x 7 4 µm pixel pitch 4 x 80 MHz or 2 x 80 MHz data rates Nominal broadband responsivity of 18 4 DN nJ cm2 Good NIR response 8 or 10 bit selectable output Dynamic range of 57 dB Base or Medium Camera Link interface RoHS and CE compliant Programmability A simple ASCII protocol controls gain offset frame rates trigger mode test pattern output and camera diagnostics The serial in...

Page 6: ...pection Semiconductor wafer inspection Flat panel display inspection Industrial metrology Traffic management General machine vision Models The Falcon 4M camera is available in the following models Falcon 4M Camera Models Overview Model Number Description PT 21 04M30 XX R 4M resolution 2 sensor taps 30 frames per second RoHS compliant PT 41 04M60 XX R 4M resolution 4 sensor taps 60 frames per secon...

Page 7: ...1 Data Output Format 8 or 10 user selectable bits Output Data Configuration Base or Medium Camera Link Operating Ranges Notes Minimum Frame Rate 1 Hz Maximum Frame Rate 60 4 Hz 4M60 30 6 Hz 4M30 4 Data Rate 80 MHz Dynamic Range 10 bits nominal gain 682 1 typ 2 Random Noise 1 5 typ 2 0 max DN rms Broadband Responsivity 18 4 typ DN nJ cm 2 7 DC Offset 0 DN 7 Antiblooming 1000x saturation FPN 0 5 typ...

Page 8: ...tical distance 6 12V consumes the least amount of power 7 With FFC on Responsivity is not calibrated when FCC is turned off 8 Measured at half saturation 1 3 Cosmetic Specifications Please note for this section only the following values are considered preliminary information and subject to change without notice Sensor Cosmetic Specifications The following table highlights the current cosmetic spec...

Page 9: ...ch has 12 pixel defects in a 1 12 kernel Row defect An horizontal grouping of more than 4 pixel defects between at least 2 good pixels on both sides where single good pixels between 2 defective pixels are considered defective Test conditions Digital gain 1X Nominal light illumination at 50 of saturation Frame Rate 60 fps Falcon 4M60 30 fps Falcon 4M30 Integration time 15 ms Ambient Temperature of ...

Page 10: ...ollimated and diffuse light settings Images are taken at nominal light illumination at 50 of the linear range A cluster is defined as a grouping of pixels A grouping of pixels refers to adjacent pixels or pixels that touch In addition the camera is examined against the following cosmetic specifications Camera Cosmetic Specifications Sensor Glass Cosmetic Specification Maximum Number of Defects Dar...

Page 11: ...ow 1727 Column 2349 Tap 1 Row 1727 Column 3 Tap 3 Row 1727 Column 2 Tap 2 Row 1727 Column 1 Tap 1 Row 1727 Column 2352 Tap 4 Row 2 Tap 4 Column 2352 Row 1 Column 2352 Tap 4 Row 1728 Column 1 Tap 1 Row 1728 Column 2 Tap 2 Row 1728 Column 3 Tap 3 Row 1728 Column 2349 Tap 1 Row 1728 Column 2350 Tap 2 Row 1728 Column 2351 Tap 3 Row 1728 Column 2352 Tap 4 Pixel 1 Pixel read out direction is left to rig...

Page 12: ...ow 1 Column 2 Tap 2 Row 1 Column 3 Tap 1 Pixel 1 Row 1 Column 4 Tap 2 1 5 Responsivity Figure 4 Spectral Responsivity Spectral Responsivity at Coarse Gain 0 dB Fine Gain 45 0 5 10 15 20 25 300 400 500 600 700 800 900 1000 1100 Wavelength nm Responsivity DN nJ cm 2 Note Responsivity is calibrated with fcc on ...

Page 13: ... Camera Manual DALSA 03 032 20044 01 13 Figure 5 Effective Quantum Efficiency Effective Quantum Efficiency 0 10 20 30 40 50 60 300 400 500 600 700 800 900 1000 1100 Wavelength nm Fill Factor x Quantum Efficiency ...

Page 14: ... camera is operating correctly the LED will flash for approximately 30 seconds and then turn solid green See 2 2 1 LED Status Indicator for a description of LED states You must also set up the other components of your system including light sources camera mounts computers optics encoders and so on A note on Camera Link cable quality and length The maximum allowable Camera Link cable length depends...

Page 15: ...t full load are present at the camera end of the power irrespective of cable length according to the pinout defined in section 2 2 3 Power Connector 2 2 1 LED Status Indicator The camera is equipped with a red green LED used to display the operational status of the camera The table below summarizes the operating states of the camera and the corresponding LED states When more than one condition is ...

Page 16: ...nk Hardware Configuration Summary Configuration 8 Bit Ports Supported Serializer Bit Width Number of Chips Number of MDR26 Connectors Base A B C 28 1 1 Medium A B C D E F 28 2 2 BASE Configuration Port Definition Mode set with clm command Port A Bits 0 thru 7 Port B Bits 0 thru 7 Port C Bits 0 thru 7 Mode 2 2 Tap 8 bit Tap 1 LSB Bit 7 Tap 2 LSB Bit7 xxxxxxx Mode 3 2 Tap 10 bit Tap 1 LSB Bit 7 Tap ...

Page 17: ...k 6 21 Y3 6 21 X3 19 8 Y3 19 8 X3 7 20 100 ohm 7 20 SerTC 20 7 terminated 20 7 SerTC 8 19 Z0 8 19 SerTFG 21 6 Z0 21 6 SerTFG 9 18 Z1 9 18 CC1 22 5 Z1 22 5 CC1 10 17 Z2 10 17 CC2 23 4 Z2 23 4 CC2 11 16 Zclk 11 16 CC3 24 3 Zclk 24 3 CC3 12 15 Z3 12 15 CC4 25 2 Z3 25 2 CC4 13 13 inner shield 13 13 inner shield 26 26 inner shield 26 26 inner shield Notes Exterior Overshield is connected to the shells ...

Page 18: ...alsa com for the standard location of these signals Clocking Signal Indicates LVAL high Outputting valid line DVAL high Valid data STROBE rising edge Valid data FVAL high Outputting valid frame The camera internally digitizes to 10 bits and outputs 8 MSB or all 10 bits depending on the camera s Camera Link operating mode For a Camera Link reference and timing definitions refer to Appendix A on pag...

Page 19: ...se Use an isolated type power supply to prevent LVDS common mode range violation Note Performance specifications are not guaranteed if your power supply does not meet these requirements See section 1 3 for power requirements WARNING It is extremely important that you apply the appropriate voltages to your camera Incorrect voltages will damage the camera Protect the camera with a fast blow fuse bet...

Page 20: ...s a simple ASCII based protocol and the camera does not require any custom software Serial Protocol Defaults 8 data bits 1 stop bit No parity No flow control 9 6Kbps Camera does not echo characters Command Format When entering commands remember that A carriage return CR ends each command The camera will answer each command with either CR LF OK or Error x Error Message The is always the last charac...

Page 21: ...gh the serial interface To view the help screen use the command Syntax h The help screen lists all commands available Parameter ranges displayed are the ranges available under the current operating conditions The ranges depend on the current camera operating conditions and you may not be able to enter these values Example Help Screen 4M60 ccf correction calculate fpn clm camera link mode m 2 3 15 ...

Page 22: ...t subtract background ti 0 2 0 511 ssf set sync frequency f 1 0 60 4 Hz ssg set system gain ti 0 2 0 65535 svm set video mode i 0 12 vt verify temperature vv verify voltages wfc write fpn coefficients wpc write prnu coefficients wse window start end iixyxy 0 0 1 1 1 1 1 1725 2352 2352 4 1728 wss window set sequence i 0 1 wts window trigger source m 1 2 wus write user settings OK Retrieving Camera ...

Page 23: ...ps 1 Exposure mode 2 30 fps 14992 µs exposure time Camera Link mode 3 Medium configuration 2 taps 10 bits 80 MHz pixel rate 160 total throughput Full window 2352 x 1728 Snapshot mode 1 EFD 1 3 2 Saving and Restoring Settings Figure 9 Saving and Restoring Overview Factory Settings You can restore the original factory settings at any time using the command rfs Note This command does not restore flat...

Page 24: ...rc To save these settings for reuse at power up use the command wus 3 3 Camera Output Format 3 3 1 How to Configure Camera Output The 4M Falcon cameras offer great flexibility when configuring your camera output Using the clm command you determine the camera s Camera Link configuration number of output taps and bit depth Using the sot command you determine the camera s output rate These two comman...

Page 25: ... 80 MHz strobe clm 16 Medium 4 Camera Link taps where 1 Tap 1 2 Tap 2 3 Tap 3 4 Tap 4 10 sot 260 65 MHz strobe sot 320 80 MHz strobe 3 3 2 Setting the Camera Link Mode Purpose Sets the camera s Camera Link configuration number of Camera Link taps and data bit depth Refer to the tables above for a description of each Camera Link mode Syntax clm m Syntax Elements m Output mode to use 2 Base configur...

Page 26: ...of operating in one of three exposure modes To select how you want the camera s frame rate to be generated 1 You must first set the camera s exposure mode using the sem command 2 Next if operating in exposure mode 2 use the command ssf to set the frame rate and the set command to set the exposure time if in exposure mode 2 or 6 3 4 1 Non concurrent vs concurrent modes of operation One of the main ...

Page 27: ... that in non concurrent mode you eliminate or minimize imaging artifacts DALSA recommends that when possible operate the 4M60 camera in non concurrent mode A timing diagram helps to explain the non concurrent mode operation Non concurrent Mode Timing Diagram In non concurrent mode a low to high transition in the EXSYNC signal starts the integration time and a high to low transition in the EXSYNC s...

Page 28: ...efer to Exposure Modes for a quick list of available modes or to the following sections for a more detailed explanation To obtain the current value of the exposure mode use the command gcp Related Commands ssf set Example sem 4 Exposure Modes Mode SYNC Programmable Frame Rate Programmable Exposure Time Description 2 Internal Yes Yes Internal frame rate and exposure time 4 External No No Smart EXSY...

Page 29: ...te the new frame rate In reverse the frame rate is decreased if necessary when the exposure time entered is greater than the frame period Refer to Allowable Exposure Time Increments on page 32 for details on minimum exposure time increments for this mode Note The camera will not set frame periods shorter than the readout period Figure 10 Mode 2 Frame Time Frame Time Readout Time Readout Time Expos...

Page 30: ...on page 32 for details on minimum exposure time increments for this mode Figure 11 Mode 4 Frame Time Frame Time Readout Time Readout Time Exposure Time Exposure Time User Exsync FVAL Mode 6 External Frame Rate Programmable Exposure Time In this mode the frame rate is set externally with the falling edge of EXSYNC generating the rising edge of a programmable exposure time Figure 12 Mode 6 Frame Tim...

Page 31: ...nformation on how to set the cameralink strobe When in SEM 2 the help screen h will shown the limits for SSF Related Commands sem set Example ssf 25 0 3 4 3 Setting the Exposure Time Purpose Sets the camera s exposure time in µs Syntax set f Syntax Elements f Floating point number in µs Allowable range is 10 999989 µs The following table lists allowable increments Notes Camera must be operating in...

Page 32: ... overlaps frame readout This is because in exposure mode 4 the falling edge is captured by the camera every 18 513 µs for example in the case of clm 15 or 16 sot 320 In exposure modes 4 or 6 the exposure time effectively has an uncertainty of the allowable time increment Refer to section 3 4 Exposure Correction for more information on the clm and sot sets pixel rate commands Refer to section Figur...

Page 33: ...LSA 03 032 20044 01 33 3 5 Snapshot Modes Purpose Optimizes camera timing for specific EXSYNC situations Syntax efd i Syntax Elements i Snapshot mode 0 Snapshot mode 0 off 1 Snapshot mode 1 2 Snapshot mode 2 Notes Example efd 1 ...

Page 34: ...de 1 performs a fast clearing of a frame concurrently with integration Thus any dark current that caused elevated dark offset levels FPN or hot pixels is cleared from the sensor prior to readout The end result is that the camera produces a usable first image With Snapshot Mode 1 please note that the timing of EXSYNC with respect to the integration time has changed The figure below illustrates Snap...

Page 35: ...0 us at the expense of concurrent integration and readout Therefore it is recommended to only use Snapshot Mode 2 if your integration time must be below 500 us This is also the reason why Snapshot Mode 1 is the default mode The following figure shows the timing operation of Snapshot Mode 2 Notice that with Snapshot Mode 2 there is a delay of Y between the rise of integration and when exposure begi...

Page 36: ... 01 DALSA 36 The following timing diagrams show how the timing changes when snapshot modes are enabled in sem 2 sem 2 Snapshot Mode 1 fast frame dump at falling edge of EXSYNC sem 2 Snapshot Mode 2 fast frame dump at rising edge of EXSYNC ...

Page 37: ...roduction of Snapshot Mode Different snapshot modes will produce different FPN and possibly different PRNU patterns The user is encouraged to match the snapshot mode with their corresponding coefficients This camera has 16 sets of coefficients 8 factory and 8 user CSN EFD 0 3 8 11 1 1 4 9 12 0 2 5 10 13 2 6 14 All coefficients 0 7 15 FPN PRNU Test Pattern FPN and PRNU coefficients for set 0 csn 0 ...

Page 38: ... interest is a subset of a full frame image that is desired as output from the camera Because the sensor is outputting only the designated window of interest the benefit is an increase in frame rate and a reduction in data volume To allow quick activation of new window coordinates the camera allows you to preset one sequence of window coordinates These coordinates wait for a trigger and because th...

Page 39: ...t End Command Purpose Sets a window of interest Syntax wse q i x1 y1 x2 y2 Syntax Elements q Window sequence id to use In this camera the sequence id is always 0 i Window to set You can only set one window so this is always 1 x1 Window start corner value Since there is only a vertical and not horizontal window of interest in this camera this value is always set to 1 y1 Window start pixel number in...

Page 40: ...ctivation of new window coordinates the camera allows you to preset one sequence of window coordinates These coordinates wait for a trigger and because they have been preprogrammed the new window is activated extremely quickly This command sets the control method for toggling window sequences Syntax wts i Syntax Elements i 1 New window sequence is triggered through software command wss 2 New windo...

Page 41: ...ickly This command loads a new window sequence Syntax wss m Syntax Elements m Window sequence trigger where changing from 0 to 1 or vice versa toggles the current window sequence being used Related Commands wts Example wss 0 Notes There is a delay between the issue of the wss command and the time when the new window sequence is triggered Figure 16 When toggling windows the camera discards the firs...

Page 42: ...ormed next to determine the multiplication factors required to bring each pixel to the required value target for flat white output Video output is set slightly above the brightest pixel depending on offset subtracted It is important to do the FPN correction first Results of the FPN correction are used in the PRNU procedure We recommend that you repeat the correction when a temperature change great...

Page 43: ... Illuminate the sensor such that with EPC 1 0 it reaches 50 70 saturation 6 Send cpa 2 T where T is typically 1 3X the average output level This is important since if the target is too low 1 1X then some pixels may not be able to reach full swing 1023 DN due to corrections applied by the camera Here is the factory calibration procedure for Snapshot Mode 1 efd 1 1 The camera is placed in sem 2 sot ...

Page 44: ...to about 80 saturation 820 DN 10 bit and note the highest signal level among the set of cameras 4 Increase the digital gain ssg on the cameras until they all reach the same output level highest of all cameras 5 Place camera in the dark and repeat step 2 to 4 until both dark offset and 80 sat signal levels are equal on all cameras An important note on window blemishes When flat field correction is ...

Page 45: ...ated FPN and PRNU coefficients saved to sets as follows CSN EFD 0 3 8 11 1 1 4 9 12 0 2 5 10 13 2 6 14 All coefficients 0 7 15 FPN PRNU Test Pattern When you first boot up the camera the camera operates using set 8 csn 8 enabled Example csn 0 3 7 2 Enabling Pixel Coefficients Purpose The camera ships with the FPN and PRNU coefficients enabled but you can enable and disable FPN and PRNU coefficient...

Page 46: ...on and eliminates FPN noise by subtracting away individual pixel dark current Syntax ccf Notes Before performing this command stop all light from entering the camera Tip cover lens with a lens cap The goal is to subtract all non uniformities and offsets in order to obtain a 0DN output in the dark Analog offset should therefore be set to 0 since it gets subtracted out during CCF Set the digital gai...

Page 47: ... to 2352 y The pixel row number from 1 to 1728 i Coefficient value in a range from 0 to 1023 Notes The sfc command is not available when the camera is using the factory calibrated coefficients csn 0 7 You must select the user coefficient set csn 8 15 before you can perform FPN calibration An error message is returned if you attempt to perform FPN calibration when using csn 0 7 Example sfc 10 50 ...

Page 48: ...e set with the next parameter is set to be greater than 1 2X than the average signal level when FPN correction is enabled EPC 1 0 This is to ensure that full signal swing can be reached for most pixels y Peak target value in a range from 1 to 1023DN The target value must be greater than the current peak output value If some pixels are below the target value then the PRNU coefficients for said pixe...

Page 49: ...Saving the Current PRNU Coefficients Purpose Saves the current PRNU coefficients to non volatile memory Syntax wpc Notes The wpc command is not available when the camera is using the factory calibrated coefficients csn 0 7 You must select the user coefficient set csn 8 15 before you can perform PRNU calibration An error message is returned if you attempt to perform PRNU calibration when using csn ...

Page 50: ...essage is returned if you attempt to reset pixel coefficients when using csn 0 7 To return the current csn number send the command get csn 3 7 7 Returning Pixel Coefficient Information Returning FPN and PRNU Coefficients Purpose Returns all the current pixel coefficients in the order FPN PRNU FPN PRNU for the range specified by the x and y coordinates The camera also returns the pixel number with ...

Page 51: ...his can be achieved by increasing analog offset Take care not to increase SAO too much with FFC enabled otherwise a PRNU induced FPN pattern will result Keep the dark offset below 5 DN 10 bit The offset increases linearly with higher values Entering a large value offset will cause the camera to digitally saturate the output image The resulting analog offset value depends on other camera parameters...

Page 52: ...ual to zero Syntax ssb t i Syntax Elements t Sensor tap selection Allowable range is 1 to 2 or 0 for all taps i Subtracted value in a range in DN from 0 to 511 Notes When subtracting a digital value from the digital video signal the output can no longer reach its maximum Use the ssg command to correct for this where ssg value max output value max output value ssb value See the following section fo...

Page 53: ...te a digital gain below 1 will result in the camera not reaching 1023 DN Syntax ssg t i Syntax Elements t Sensor tap selection Allowable range is 1 to 2 or 0 for all taps i Gain setting The gain ranges are 0 to 65535 The digital video values are multiplied by this value where D igital G ain i 4096 For example to set a digital gain of 1 0 i equals 4096 Notes Entering a large value gain will cause t...

Page 54: ...system debugging The test patterns are useful for verifying proper timing and connections between the camera and the frame grabber The following table shows each available test pattern Syntax svm i Syntax Elements i 0 Live Video 1 Test pattern checkerboard 2 Test pattern alternating line 1 3 Test pattern alternating line 2 ...

Page 55: ...Falcon 4M Camera Manual DALSA 03 032 20044 01 55 4 Test pattern horizontal ramp 5 Test pattern vertical ramp 8 bit 10 bit 8 bit 10 bit ...

Page 56: ...Falcon 4M Camera Manual 03 032 20044 01 DALSA 56 6 Test pattern diagonal ramp 7 FPN test pattern Used by DALSA Product Support 10 bit 10 bit 8 bit 8 bit ...

Page 57: ...Falcon 4M Camera Manual DALSA 03 032 20044 01 57 8 FPN and PRNU test pattern Used by DALSA Product Support 9 Fixed at max test pattern 10 bit 1023 DN 8 bit 255 DN 8 bit 10 bit ...

Page 58: ...ficients in each pixel They range from 0 to 1023 This is you FPN coefficient map of the coefficient set you are currently using csn When switching the camera from video mode svm 0 to one of the test pattern modes svm 1 thru 8 the camera adjusts any digital gain ssg background subtract ssb settings currently being used The gcp screen does not turn off these settings and displays the settings used p...

Page 59: ...Falcon 4M Camera Manual DALSA 03 032 20044 01 59 gain background subtract and exposure control settings are returned to their prior state Example svm 2 ...

Page 60: ...o Front Surface 300 µm 6 56 25 Optical Distance M4 x 7 x 4 Deep 2X Both Sides M4 x 7 x 4 Deep Image Area 17 40 x 12 79 Pixel 1 1 39 02 0 15 21 96 50 00 10 3 5 3 0 73 66 M42 x 1 73 66 46 96 15 25 00 10 Image Center Rotation WRT Camera Edge is 2 Max Tolerance Unless Otherwise Specified X 5 XX 30 Units MM Note Alignment reference point Press fit dowel pin 2x 25 00 0 15 0 15 0 00 3 00 4 0 0 15 0 00 4 ...

Page 61: ...ed to the total number of photons reaching the sensor is more important than the rate at which it arrives For example 5μJ cm2 can be achieved by exposing 5mW cm2 for 1 ms just the same as exposing an intensity of 5W cm2 for 1 μs Light Sources Keep these guidelines in mind when setting up your light source LED light sources are relatively inexpensive provide a uniform field and longer life span com...

Page 62: ...from the image side of the lens surface to the second focal point The object distance OD is the distance from the first principal point to the object Figure 19 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 magnification h is the image height pixel size and h is the object height desire...

Page 63: ...Falcon 4M Camera Manual DALSA 03 032 20044 01 63 ...

Page 64: ...listed in this section first If these solutions do not resolve your problem see section 5 4 on getting product support 5 1 Common Solutions Connections The first step in troubleshooting is to verify that your camera has all the correct connections Power Supply Voltages Check for the presence of all voltages at the camera power connector Verify the connector pinout and that all grounds are connecte...

Page 65: ...ing this command send the gcp command to verify 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 output along the digital processing chain 5 3 Specific Solutions No Output or Erratic Behavior If your camera provides no output or behaves erratically it may...

Page 66: ...eaning tissue approx 3 x 5 to make a square pad that is approximately one finger width 5 Moisten the pad on one edge with 2 3 drops of clean solvent alcohol Do not saturate the entire pad with solvent 6 Wipe across the length of the window in one direction with the moistened end first followed by the rest of the pad The dry part of the pad should follow the moistened end The goal is to prevent sol...

Page 67: ...grabber host computer light sources etc Acquisition System software version OS etc Power supplies and current draw Data rate used Control signals used in your application and their frequency or state if applicable EXSYNC BIN MCLK Other _______ Results when you run the gcp command please attach text received from the camera after initiating the command Detailed description of problem encountered pl...

Page 68: ...ts use of the Camera Link interface LVDS Technical Description Low Voltage Differential Signaling LVDS is a high speed low power general purpose interface standard The standard known as 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 theoretical maximum tra...

Page 69: ...C1 Reserved for future use CC2 Reserved for future use CC3 Window Toggle CC4 Communication Two LVDS pairs have been allocated for asynchronous serial communication to and from the camera and frame grabber Cameras and frame grabbers should support at least 9600 baud These signals are SerTFG Differential pair with serial communications to the frame grabber SerTC Differential pair with serial communi...

Page 70: ...DALSA 70 Camera Link Video Timing Figure 20 Standard Timing Input and Output Relationships Exposure Timing IMPORTANT This camera uses the falling edge of EXSYNC to trigger line readout unlike previous DALSA cameras which used the rising edge ...

Page 71: ...Falcon 4M Camera Manual DALSA 03 032 20044 01 71 Note User EXSYNC not present in sem 2 ...

Page 72: ...62 2Hz 60 4Hz 60 3Hz 31 1Hz 30 6Hz 30 6Hz 50 3Hz 49Hz 49Hz 25 2Hz 24 9Hz 24 9Hz Max Exposure 2 16051u 16530u 52u 32109u 32635u 32u 19850u 20377u 49u 39629u 40107u 31u twSYNC Internal Exsync to Internal Exsync 2 16 6m 32 6m 20 4m 40 2m twSYNC_INT Internal Exsync to Internal Exsync min 2 10u 492u 10u 10u 566u 10u 10u 510u 10u 10u 601u 10u tTRANSFER Internal Exsync to FVAL 2 tOVERHEAD FVAL to Interna...

Page 73: ... 62 2Hz 60 4Hz 60 3Hz 31 1Hz 30 6Hz 30 6Hz 62 2Hz 60 4Hz 60 3Hz 25 2Hz 24 9Hz 24 9Hz Max Exposure 2 16051u 16530u 52u 32109u 32635u 32u 16051u 16530u 52u 39629u 40107u 31u twSYNC Internal Exsync to Internal Exsync 2 16 6m 32 6m 16 6m 40 2m twSYNC_INT Internal Exsync to Internal Exsync min 2 10u 492u 10u 10u 566u 10u 10u 492u 10u 10u 601u 10u tTRANSFER Internal Exsync to FVAL 2 tOVERHEAD FVAL to In...

Page 74: ...current camera link mode clm m Output mode to use 2 Base configuration 2 taps 8 bit output 3 Base configuration 2 taps 10 bit output 15 Medium configuration 4 taps 8 bit output 4M60 only 16 Medium configuration 4 taps 10 bit output 4M60 only calculate PRNU algorithm cpa i i Performs PRNU calibration according to the selected algorithm The first parameter is the algorithm where i is 2 Calculates th...

Page 75: ...N PRNU FPN PRNU x1y1 pixel start address x2y2 pixel end address in the range from 1 1 to 2352 1728 enable debounce circuit edc m When enabled EDC 1 filters EXSYNC from the user to suppress any glitches less than 1us in width enable frame dump efd m Enables various snapshot modes EFD 0 snapshot mode disabled EFD 1 snapshot mode 1 FFD on falling edge of EXSYNC EFD 2 snapshot mode 2 FFD on rising edg...

Page 76: ...librated coefficients 8 15 User coefficient sets reset camera rc Reset the entire camera reboot restore factory settings rfs Restore the camera s factory settings Note this does NOT restore factory FFC coefficients use lpc for this reset pixel coefficients rpc Resets the FPN and PRNU coefficients to 0 1 respectively restore user settings rus Restore the camera s last saved user settings Note this ...

Page 77: ...number of fast frame dumps when either snapshot modes 1 or 2 are active efd 1 or 2 respectively set output throughput sot m Sets the camera s total throughput in mega pixels per second Valid values are 130 160 260 and 320 set prnu coefficient spc xyi Set the PRNU coefficient Where xy falls in the range from 1 1 to 2352 1728 i PRNU value in the range 0 to 12287 set subtract background ssb ti Subtra...

Page 78: ...previously selected using the csn command write prnu coefficients wpc Write current PRNU coefficients to non volatile memory The set within non volatile memory will have been previously selected using the csn command window start end wse i i x1 y1 x2 y2 Sets the window start and stop pixels where i is the window sequence id It is always 0 in this camera i is the number of windows to set It is alwa...

Page 79: ...e when switching between wss 0 and wss 1 or vice versa window trigger source wts m Defines the source for the window sequence Available values are 1 Software command wss 2 Camera Link input CC4 write user settings wus Write all of the user settings to non volatile memory Parameters t tap id i integer value f real number s string m member of a set ...

Page 80: ...60 fulfill s the requirements of the standard s EMC ICES 003 Canada FCC Part 15 USA EN 61326 1997 EN 55022 1998 EN 55024 1998 IEC 61326 CISPR 22 CISPR 24 This product complies with the requirements of the EMC Directive 89 336 EEC and carries the CE mark accordingly Place of Issue Waterloo ON CANADA Date of Issue December 2006 Name and Signature of authorized person Hank Helmond Quality Manager DAL...

Page 81: ...Falcon 4M Camera Manual DALSA 03 032 20044 01 81 ...

Page 82: ...anual cover and headers replaced with Falcon Added a note concerning Camera Link cable length and quality page 14 Timing diagrams SEM 2 4 and 6 revised page 29 RoHS and CE compliant information added 01 Added camera cosmetic blemish section page 10 Please note that the information in this section is considered preliminary at the time of printing and subject to change Added snapshot mode section pa...

Page 83: ...Falcon 4M Camera Manual DALSA 03 032 20044 01 83 ...

Page 84: ... 24 outputs 17 Camera Link mode setting 24 25 camera settings current 22 factory 22 restoring 22 retrieving 21 saving 22 user 22 clock signals 17 coefficients 44 saving loading resetting 48 command parameters 19 commands format 19 list of 73 connector Camera Link 15 hirose 17 power 17 connectors 14 Camera Link 16 control configuration 68 control signals 68 cosmetic specifications 8 camera 10 senso...

Page 85: ...mounts 60 light sources 60 line dropout 64 line rate 7 LVAL 68 LVDS 67 pairs 68 M magnification 61 mechanical interface 59 specifications 7 mechanical interface 59 models 6 N noisy output 64 O offset 50 adjustments 50 online help 20 operating modes 25 ranges 7 optical interface 60 optical specifications 6 P performance specifications 11 12 pixel coefficient information returning 49 pixel coefficie...

Page 86: ...s 32 software interface 19 specifications electrical 7 mechanical 7 operating 7 optical 6 sensor 6 subtracting background 51 support 66 T Technical Sales Support 66 test pattern 53 generating 53 timing exposure 30 69 standard 69 video 69 troubleshooting 63 line rates 64 serial interface 64 V video data 67 W window of interest setting 37 ...

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