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Sweep 2000M-CL-65 User Manual

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1. B Commands affecting exposure Command Function Command Format Parameter Remarks Larger capacity euentum well Sze DYNAMIC 1 lower noise noes DYNAMIC 2 Smaller capacity and SENSOR ch RESPONSIVE 1 higher responsivity analoggain RESPONSIVE 2 Followed by analog gain of 1x or 2x Minimum depends ee Line interval in us from on MODE ROI 2 Line interval LINE PERIOD lt time gt 12 5 to 100 000 binning bit depth and link speed Maximum depends 3 Line rate LINE RATE lt ate gt Lines per second from 10 on MODE ROI see the note to 80 000 binning bit depth and link speed Timing source LINE CTRL lt mode gt INT internal MIX external line timing internal integration time PWC Pulse Width Control Recommended minimum line rate under external control 10 Hz Integration time as microseconds LINE IT ch lt time gt 2 00 to 99 998 60 us Maximum depends on line rate go AEE grat or timeas FINE ELC 0 10 to 100 00 not in MIX mode percentage lt time gt 7 Digital gain GAIN ch lt gain gt 0 100 to 32 000 8 Offset OFFSET ch 1023 to 1023 entered as 12 bits lt offset gt 9 Individual FFC FFC PEAK per each channel 10 White balance FFC WHITE per highest channel Calibrate the Flat 11 Field Corr ctiot FFC RUN define and apply 12 activate correction FFC ON 13 deactivate FFC OFF LIST show all corrections lt
2. Command Description NET Returns the NET settings syntax for manual DHCP IP address Gateway and Subnet Mask NET Returns the present setting of manual DHCP IP Address Subnet Mask and Gateway together with the settings after the next reboot of the camera Default settings The IP setup mode is STATIC IP Address 10 10 10 10 Subnet mask 255 255 255 0 Gateway 10 10 10 1 25 SW 2000T CXP2 and SW 2000Q CXP2 7 1 2 1 NET IP set the IP address The command NET IP sets the IP address of the camera Default is 10 10 10 10 Command Description NET IP Returns the NET IP setting syntax NET IP Please use command NET for settings information NET IP lt Xxx XXX XXX XXX gt Sets the camera to use a Static IP address xxx XXX XXX XXX NET IP AUTO Sets the camera to obtain a dynamic IP address using DHCP Caution It is recommended to use a static IP address If a dynamic address is selected there is no straightforward way to determine the address assigned by the DHCP server You may use GenICam via an SDK interface to search for the address 7 1 2 2 NET MASK set the IP subnet mask This command sets the IP subnet mask of the camera The command has no effect in case of using dynamic IP addressing Command Description NET MASK Returns the syntax for setting NET MASK NET MASK Please use command NET for settings information NET MASK lt Xxx XXX XXX
3. The LINE PERIOD command specifies the line interval in microseconds The valid range is from 12 5 to 100000 0 The line period can be changed with the resolution of 0 1 us However internal rounding can take place In this case the resulting rounded line period length is returned as the response to the command The response has a resolution of 0 01 us The LINE RATE command is used for specifying the scan rate as lines per second The valid range is from 10 to 80 000 The line rate can be specified in steps of 0 1 Hz However internal rounding can take place In this case the resulting rounded line rate is returned as the response to the command Command Description LINE PERIOD Returns the command syntax and the available range LINE PERIOD Returns the present line period LINE PERIOD dine period gt Sets the line period as microseconds us in steps of 0 1 Default 100 0 LINE RATE Returns the command syntax and the available range LINE RATE Returns the present line rate A value 8888 0 Hz indicates that the CXP Link speed was changed and is too slow to support the line rate in use or the rate loaded from memory LINE RATE lt ine_rate gt Sets the line rate as lines per second in steps of 0 1 Hz Default 10000 0 Please note The settings made by commands MODE CXP CONFIG CXP FORMAT BINNING and ROI may affect the available range of values If the status inquiry LINE RATE returns the v
4. LINE CTRL Returns the present line control setting LINE CTRL INT Line rate and integration times are controlled by the camera Default setting LINE CTRL MIX Line rate is controlled externally by the CXP trigger Integration times are controlled internally by the camera LINE CTRL PWC Line rate and the common integration time are controlled externally by the CXP trigger 32 SW 2000T CXP2 and SW 2000Q CXP2 Command Line period control Integration time Related commands LINE CTRL INT internal internal LINE RATE or LINE PERIOD LINE IT and LINE LINE CTRL MIX external internal LINE IT LINE LINE CTRL PWC external external LINE 7 2 3 1 Internal exposure control command LINE CTRL INT The scan rate is defined either by the LINE RATE or the LINE PERIOD command which are inverse of each other The LINE IT command LINE Integration Time sets the length of the exposure time per channel during each scan Each Line IT must be shorter than the Line Period If the Line Integration time is commanded to be longer than the Line Period then the integration time on those channels will stop at the same time as the line period ends The actual integration starts at the beginning of the line period If the integration times have differences between the channels this would respectively cause misalignment between the channels in the final images in the horizontal direction which is perpendicular to each imaged line unless t
5. Set the line readout direction Region of interest Pairing of pixels Camera configuration Vector Length 0 Bit Depth 0 a Set the operational mode of the camera effective after a camera restart Fig 9 Front page after initialization and the help command 51 SW 2000T CXP2 and SW 2000Q CXP2 4095 Data ome Camera configuration Vector Length 2048 Bit Depth 12 Freeze History Received Data Connected SW 20009 CL gt gt line rate The line rate is 1000 0 Hz OK gt gt line period The line period is 1000 0 us OK gt gt line ctrl The line control mode is internal OK Grab is running Grab stopped Fig 10 Line graph display with no frame grabber A 4CMOS display as the example Pixels 1023 2047 1 Line capturing over ethernet Init capturing Snapiine Grab lines fos ohm se 52 SW 2000T CXP2 and SW 2000Q CXP2 9 2 Internal web server The internal Web server can be accessed by standard web browsers at http 10 10 10 10 It offers some documents for download and is used while updating camera firmware fi 10101010 5 10 10 10 10 Sweep Line Scan Camera 18 ps JAI SWEEP SW 2000T CXP2 E e Download the camera datasheet e Download the camera manual See the possibilities www jai com Fig 11 Home page 3CMOS model as the example 53 SW 2000T CXP2 and SW 2000Q CXP2 10
6. 11 SW 2000T CXP2 and SW 2000Q CXP2 5 1 2 Line image processing The output data from the imager is buffered for further processing to be then finally sent out of the camera via the CoaxXPress interface The processing chain is controlled by user accessible commands The DSNU corrector is calibrated individually for each camera at the factory and always in use with fixed settings The scan rate and the integration of light within each line period can be controlled either by the CXP trigger internal timers or a combination of these Serial communication channels are used to control and monitor the camera Both the standard CXP communication link as well as the Ethernet connection can be used for the same purpose and even at the same time Some functions are only supported via Ethernet 5 2 Operating Modes The camera can be configured to offer several operating modes that are fundamentally different from each other The operating mode is configured upon start up and can only be changed by issuing a new mode selection command and rebooting the camera 5 3 DSNU Corrector DSNU Dark Signal Non uniformity describes the pixel specific differences of response in dark while PRNU Photo Response Non uniformity respectively describes the pixel specific differences of response to equal amounts of light falling onto all the pixels Both are basic sensor and pixel specific imperfections which can be characterized and minimized DSNU is correcte
7. External dimensions EPT l pi JE ow il 3 ar Ad zsa mi Fig 12 External dimensions in mm 54 SW 2000T CXP2 and SW 2000Q CXP2 11 Specifications 11 1 Operating range Parameter Min Typical Max Unit Notes Preise ao oom re Firtaor f o oo PP CSC Length ofeachimager 0s osm lneszonpeiod zs f f aom ws ine rote Toneta Electronic shutter in 99 998 us intonation time internal mode internal A D conversions Pim ef S S S SS S SS l only discrete values of Analog gain 1x 1x 2x 6x or 12x SENSOR command igi i 0 1x Flange back distance pas fam Nikon F mount mm from flange of Nikon F mount Temperature operating F storage Humidity relative non condensing operating and storage Vibration s e mom Shock e ceon Dimensions with no lens mount 55 SW 2000T CXP2 and SW 2000Q CXP2 11 2 Common properties Property Notes Operation modes Internal internal line rate internal shutters Mixed external line rate internal shutters Pulse Width Control PWC CXP trigger for line rate and shutter Data interface CoaxPress standard revision 1 0 or 1 1 default CoaXPress data formats bit depth is per channel RGB 8 24 bit RGB RGB 10 30 bit RGB 3CMOS RGB 12 36 bit RGB RGBA 8 32 bit RGBI ee RGBA 10 40 bit RGBI RGBA 12 48 bit RGBI Communication interf
8. FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Warning Changes or modifications to this unit not expressly approved by the party responsible for FCC compliance could void the user s authority to operate the equipment 1 2 3 4 5 SW 2000T CXP2 and SW 2000Q CXP2 Contents General eee EAA TRAAT OTTIENE EERTE 5 1 1 Camera nomenclatura oa E EEEE TE a a ies 5 Main FEAEURES iaiia a EEA a aA 6 Connectors and MOUNTING ssssssrrsresssrrrrrrtsrrrrrrt tr rrrrt EEE DEAE EE SEE EE SHEESH ESSERE EE EEE EE ES 7 3 1 LOGALLONSaesc rerke ors aaa enh ne pan
9. Firmware updates are loaded only via this interface Standard web browsers can be used to establish connections to the internal web server which includes a few basic functions like downloading of some documents and supporting updates This port cannot be used for any actual image acquisition Single lines average of 32 can be slowly read out and displayed as graphs by using the J Al Ethernet Tool software 18 SW 2000T CXP2 and SW 2000Q CXP2 5 14 Firmware updates It is possible to update or change the camera firmware without opening the housing New code is loaded in via the Ethernet port and with help of web browser user interface There are two kinds of firmware updates MCU and FPGA The MCU microcontroller unit updates affect the user interface and high level features of the camera while the FPGA field programmable gate array updates provide enhancements for low level or hardware related functions The MCU update is first initiated by the command FIRMWARE UPDATE and then completed with help of the user interface that opens up by accessing the main page of the camera web server The FPGA update is done by directly accessing the respective update page Caution Ensure that the camera receives proper power during the complete firmware update process A power break can potentially leave the camera in a state where it cannot start again 5 14 1 MCU firmware update 1 Make sure you have the correct file hex for the c
10. IT Returns the command syntax and the available range LINE IT Returns the present Line Integration settings LINE IT ch Sets the integration time to lt time gt in microseconds for the selected lt time gt channel The lt time gt is a numerical value within the range 2 00 to 99998 50 with 0 1 or 2 decimal places LINE IT ch Sets the integration time to lt value gt per cent of the maximum lt value gt integration time for the selected channel where lt value gt is a numerical value between 0 10 and 100 00 default with 0 1 or 2 decimal places Not available in the LINE CTRL MIX mode The ch is the specifier of the channel R G or B for 3CMOS models R G B or for 4CMOS If no channel is given the same setting is applied to all the channels 34 SW 2000T CXP2 and SW 2000Q CXP2 7 2 5 GAIN digital signal gain The gain control can be used to scale the camera response up or down individually per each channel In addition to the digital gain control the sensor responsivity can be selected to be either Dynamic or Responsive giving a factor of 6 in responsivity due to the difference in quantum well size An analog gain of 2 can be added to both options Please refer to the SENSOR command It is recommended to use the SENSOR command first as far as possible and only then use the digital gain to fine tune the response Use of values lower than 1 may cause the maximum output value to stay lower than the maximum val
11. XXX gt Sets the camera to use an IP subnet mask 7 1 2 3 NET GATEWAY set the IP default gateway The command NET GATEWAY sets the IP default gateway default router of the camera The command has no effect in case of using dynamic IP addressing Command Description NET GATEWAY Returns the NET GATEWAY syntax NET GATEWAY Please use command NET for settings information NET GATEWAY lt Xxx Xxx XXx xXxx gt Sets the address of the default gateway 7 1 2 4 NET FACTORY RESET resetting the net settings The command NET FACTORY RESET sets the net to the factory default values Command Description NET FACTORY RESET Resets the network settings to factory default values The IP setup mode is STATIC IP Address 10 10 10 10 Subnet mask 255 255 255 0 Gateway 10 10 10 1 26 SW 2000T CXP2 and SW 2000Q CXP2 7 1 2 5 NET NAME set a name for the camera This command gives a name for the camera The name is listed with the VER command if a name was given The name is not visible to the network Command Description NET NAME Returns the NET NAME syntax NET NAME Returns the camera name NET NAME lt name gt Sets the name for the camera NET NAME DELETE Removes the name 7 1 2 6 NET CLOSE close the current session This command closes the current session immediately Command Description NET CLOSE Ends the current Telnet session Alt
12. camera or send the REBOOT command followed by CONFIRM Close old communication sessions to the camera and establish new ones as needed Verify by command VER that the Logic version has changed as intended 20 SW 2000T CXP2 and SW 2000Q CXP2 6 Command line interface The command line interface provides an easy interactive way to control the camera All commands can be given through the Ethernet interface using the Telnet protocol 6 1 Connecting via Telnet To connect the camera using Telnet e Consult your IT department to check if you can plug the camera to your local area network with the default IP address 10 10 10 10 You may change the address by using the NET IP command Alternatively you may configure your network card to build a direct connection to the camera e Connect the camera to a local area network using a twisted pair cable A shielded cable of category 5 or higher is recommended e Open a Telnet client on the computer Two options are available from J Al Please refer to chapter 9 of this document Also free or commercial Telnet clients can be downloaded from various internet sites The following Telnet clients are examples of clients tested with the Sweep cameras o Foxterm o PuTTY e Open a Telnet connection to the IP address of the camera 6 2 Entering the commands The commands are typed in the client console window like in any command line interface A carriage return ENTER terminates the command line a
13. for output Both cameras include a switch matrix to connect any sensor to any or multiple of the output channels Additionally the 4CMOS models can send the data in 3 channel formats All channel specific commands still affect the original channels Command Description COLOR SEL Returns the command syntax COLOR SEL Returns the present setting COLOR SEL lt cl gt lt c2 gt Selects the sources for the output channels Default setting is R G B lt c3 gt lt c4 gt for the 3CMOS and R G BI for the 4CMOS models All the three or four parameters must always be given Please note that if the 4CMOS model is set into a 3 channel output format still four parameters are required the 4 will not be used Example COLOR SELBGR 3CMOS only reverses the RGB order to be BGR COLOR SEL RG I B 4CMOS only swaps the B and channels for output If the camera is set into any of the 3 channel output formats the contents of the RGB formats originates from R G and channel imagers respectively and the B channel is ignored 39 SW 2000T CXP2 and SW 2000Q CXP2 7 3 3 READOUT pixel readout direction Sets the pixel readout to normal or reverse direction Command Description READOUT Returns the READOUT command syntax READOUT Returns the present READOUT setting READOUT NORMAL Sets the READOUT direction to normal starting with first pixel Default READOUT REVERSE Sets the READOUT di
14. for selecting the trigger source GAIN for setting the camera gain OFFSET for setting the line offset value FFC for Flat Field Correction OC for the optical corrector Group C Commands affecting image output format CXP FORMAT for setting the pixel depth COLOR SEL for selecting the channels for the output READOUT for selecting normal or reverse readout direction ROI for selecting Regions Of Interest BINNING for combining adjacent pixels ACQ for start and stop of acquisition Group D Utilities HELP or for list of all commands VER for displaying firmware versions and camera identifiers STATUS to display camera information and settings TEST for selecting test patterns REBOOT for restarting the camera FIRMWARE UPDATE to change the MCU code 23 SW 2000T CXP2 and SW 2000Q CXP2 The four groups will be described in detail in the following sections Most commands display help on how to use it if a space and a question mark is added after the command and current status of the function if the command is entered as such with no parameters The general principle with all the group B and C commands is that users may experiment with the settings without losing the latest saved and working setup exception CS FACTORY RESET New settings are in use but not permanently saved until the user decides to save them It is always possible to return to the latest saved settings either by sending the CS LOAD CS LOAD2
15. iddddididini 56 11 3 Performance per selected sensor Mode sssssssssssserir iriti rrtt tinina ananena 57 11 4 Spectral reSpOnse c ccc ccc ne Aaminn EEE EEE EEE EEE Ea 58 12 Change HNSLORY cinteinattart ee eras a eee teehee ie eaeesecaesiaeea econ saageanadaedabanseeneapeaneees 59 SW 2000T CXP2 and SW 2000Q CXP2 1 General The J Al Sweep Series SW 2000T CXP2 and SW 2000Q CXP2 are CMOS line scan cameras based on a custom made 2048 pixel imager with large square pixels of 20 um for high responsivity They operate at a rate of up to 80 000 scans per second A beam splitter prism divides the incoming visible range light either into three or four outputs red green and blue in the 3CMOS model and red green blue and infra red in the 4CMOS model Identical imagers are positioned with high accuracy to detect these bands The structures use Common optical axis imaging where the color components are all recorded at the same time and seen from the same angle Both models output digital data in 8 10 or 12 bit per channel formats via one or two CoaXPress CXP Links up to 6 25 Gbps each approved up to 3 125 Gbps two links The camera is configured via CXP interface using GeniCam a generic programming interface for machine vision cameras or via a 10 100 Mbps Ethernet port using an industry standard RJ 45 connector Special J Al lenses attach directly to the camera An F mount lens adaptor is the default Others can be adde
16. not saved nor loaded along with the other settings Power cycling rebooting and loading of factory settings will switch the test mode off Command Description TEST ch OFF No test pattern Image data originates from the sensor s Default TEST ch P1 Sawtooth horizontal rising ramps from 0 to maximum All lines are equal In case of 8 bit output the line graph includes 8 such periods when advancing across the 2K pixels The respective image should thus look like this TEST ch P2 Triangles horizontal ramps from 0 to maximum followed by falling ramps from maximum to zero All lines are equal In case of 8 bit output the line graph includes 4 such periods when advancing across the 2K pixels The respective image should thus look like this TEST ch P3 Vertical sawtooth rising ramps from 0 to maximum in line to line direction Each line has only one value for all the pixels In case of 8 bit output the ramp from black to white takes 256 lines in the respective image TEST ch P4 Vertical triangles rising ramps from 0 to maximum followed by falling ramps from maximum to zero in line to line direction Each line has only one value for all the pixels In case of using an 8 bit output mode the cycle repeats itself every 512 lines The respective image should look like this Ss 44 SW 2000T CXP2 and SW 2000Q CXP2 TEST ch P5 A combination of rising ramps in both directions Horizontally the length of
17. pixels The aberration has been characterised at the factory in some selected cases The respective correction minimises the effect by bringing the counterpart pixel values together Command Description OC Returns the command syntax OC Returns the present settings OC LIST Displays the list of available corrections with reference numbers and descriptions OC lt nr gt Selects a correction by the reference number on the list OC ON Activates the selected correction OC OFF Deactivates the correction Default setting 38 SW 2000T CXP2 and SW 2000Q CXP2 7 3 Group C Commands affecting image output format 7 3 1 CXP FORMAT CoaxPress transmission format This command selects the output mode for the final image data The 4CMOS model includes also all the 3 channel output formats in which cases only the RGB channels are output Command Description CXP FORMAT Returns the command syntax and available modes CXP FORMAT O Returns the present setting CXP FORMAT RGB 8 3 m 24 bit RGB 8 bits per pixel Default setting for 3CMOS CXP FORMAT RGB 10 m 30 bit RGB 10 bits per pixel CXP FORMAT RGB 12 Fa 36 bit RGB 12 bits per pixel CXP FORMAT RGBI 8 32 bit RGBI 8 bits per pixel Default setting for 4CMOS CXP FORMAT RGBI 10 40 bit RGBI 10 bits per pixel CXP FORMAT RGBI 12 48 bit RGBI 12 bits per pixel 7 3 2 COLOR SEL Select the colors
18. r gt select one 14 Optical Corrector OC lt option gt ON E OFF deactivate The ch is the specifier of the channel R G or B for 3CMOS models R G B or for 4CMOS Note If the status inquiry LINE or LINE RATE returns the value 8888 0 Hz the camera has automatically dropped the line rate to a safe value due to a too slow CXP Link speed that has been set after the faster line rate was already once accepted in use or saved 47 SW 2000T CXP2 and SW 2000Q CXP2 C Commands affecting image output format Command Function Command Format Parameter Remarks RGB 8 24 bit RGB RGB 10 30 bit RGB 6 RGB 12 36 bit RGB S 1 CoaXPress format CXP FORMAT lt mode gt si RGBI 8 32 bit RGBI vt RGBI 10 40 bit RGBI RGBI 12 48 bit RGBI 2 Switch matrix COLOR SEL lt cl gt lt c2 gt lt c3 gt lt c4 gt eee Cane tg any RGBI output 3 Readout direction READOUT Normal or Reverse Set the regions of Pixel numbers Check the list of 4 ROI lt regions gt 7 interest 1 to 4 regions requirements below 5 Activate ROI ROI ON 6 Deactivate ROI ROI OFF 7 Pixel binning BINNING lt mode gt AVG SUM or OFF 8 Start acquisition ACQ START Use once before any of 9 Stop acquisition ACQ STOP the other commands of this table Requirements for ROI For simplicity and first trials it is recommended to divide the full range of pixels into 8 section
19. settings 1 set This command stores all the above mentioned settings to the first location in non volatile memory The settings are loaded at power up and during reboot of the camera 7 1 3 3 CS LOAD load settings 1 set This command restores all the above mentioned settings from the first memory location of the non volatile memory 7 1 3 4 CS SAVE2 save settings 2 set This command stores all the above mentioned settings to the second location in non volatile memory 7 1 3 5 CS LOAD2 load settings 2 set This command restores all the above mentioned settings from the second memory location of the non volatile memory 7 1 3 6 CS FACTORY RESET restore settings to factory default This command restores the factory values for all the above mentioned settings from the camera non volatile memory and saves them like the command CS SAVE Factory defaults Command Factory default SENSOR RESPONSIVE 1 LINE RATE 10 kHz LINE PERIOD 100 0 us LINE CTRL internal LINE IT 100 97 90 us GAIN 1 000 OFFSET 0 CXP FORMAT RGB 8 3CMOS RGBI 8 4CMOS COLOR SEL straight one to one connection R G B or RGB READOUT NORMAL ROI OFF BINNING OFF FFC OFF FFC MODE WHITE OC OFF 29 SW 2000T CXP2 and SW 2000Q CXP2 7 2 Group B Commands affecting exposure 7 2 1 SENSOR selects the quantum well size and analog gain The sensor has two possibil
20. the sequence varies at the same phase as the lowest value of the pattern changes from line to line Vertically the lowest value of each line specific pattern varies from line to line as rising ramps from zero to maximum similarly to how the pattern P3 behaves on its own The resulting image is shown below 8 bit The first line is identical to any line of P1 Then instead of always starting from zero the lowest value will rise by one per line thus also making the sequence shorter This will continue making the pattern look like having higher frequencies all the way until finally a completely white line is produced The sequence will then start over from the beginning TEST ch Returns information on the current status of test modes Note The ch is the specifier of the channel R G or B for 3CMOS models R G B or for 4CMOS All ramps increase or decrease by one level per pixel or line where the step follows the selected output bit depth of 8 10 or 12 bits When the direction of any ramp changes the last value of previous ramp is repeated once as the first value of the next ramp to keep the lengths of the sequences equal when feasible 7 4 5 REBOOT restart the camera The command REBOOT resets the camera and starts it from the beginning as if the power had been cycled Command Description REBOOT Restart the camera Same initializations as during power up Close existing Telnet sessions a
21. 000Q CXP2 12 Change History Date Revision Changes 12 May 2015 1 3 First Release 59 saved 12 05 2015 15 19 SW 2000T CXP2 and SW 2000Q CXP2 User s Record Camera type Sweep SW 2000T CXP2 Sweep SW 2000Q CXP2 Revision Release A rev 1 3 Serial No Firmware version MCU 1 074 7 May 2015 Logic 40 015 18 March 2015 Please contact your local J Al distributor for camera revision history User s mode settings User s modifications Company and product names mentioned in this manual are trademarks or registered trademarks of their respective owners J AI A S cannot be held responsible for any technical or typographical errors and reserves the right to make changes to products and documentation without prior notification Europe Middle East amp Africa Asia Pacific Americas Phone 45 4457 8888 Phone 81 45 440 0154 Phone toll free 1 800 445 5444 Fax 45 4491 3252 Fax 81 45 440 0166 Phone 1 408 383 0300 ay Visit our web site at www jai com See the possibilities 60
22. 000T CXP2 and SW 2000Q CXP2 7 3 5 BINNING paring of pixels Binning mode combines adjacent pixels as pairs either to double the response by summing the two original values or to decrease noise by taking the average of the two values ROI operation may be in use prior to this Binning decreases the number of output values by a factor of two This increases the limit of the maximum line rate the absolute maximum still being set by the selected MODE The two output values are added together in the summing mode and the output is limited to the maximum digital value of the original pixel values The averaging mode sums the two values with no maximum limit and then takes the most significant bits into use to represent the new combined pixel lowest bit is removed The index of the first pixel of each pair must be odd Command Description BINNING Returns the BINNING command syntax BINNING Returns the present BINNING setting BINNING AVG Activates BINNING in the averaging mode BINNING SUM Activates BINNING in the summing mode BINNING OFF Deactivates BINNING mode Default setting 7 3 6 ACQ start and stop of acquisition CoaxXPress links stay active after connections have been established but actual image data is being transferred only when the acquisition is enabled Command Description ACQ Returns the command syntax ACQ Shows the status ACQ START Enable image transfer ACQ STOP Disab
23. SW 2000T CXP2 and SW 2000Q CXP2 See the possibilities SW 2000T CXP2 SW 2000Q CXP2 3CMOS and 4CMOS High Speed Color CoaxXPress Line Scan Cameras CXP 1 1 and 1 0 Documen t Version 1 3 Date May 2015 File Manual_SW 2000T_and_Q CXP2_rev_1 3 docx SW 2000T CXP2 and SW 2000Q CXP2 HAI See the possibilities Notice The material contained in this manual consists of information that is proprietary to J Al Oy Finland and may only be used by the purchasers of the product JAI Oy Finland makes no warranty for the use of its product and assumes no responsibility for any errors which may appear or for damages resulting from the use of the information contained herein J Al Oy Finland reserves the right to make changes without notice Company and product names mentioned in this manual are trademarks or registered trademarks of their respective owners Warranty 12 months from date of delivery 4 months for repairs covering the work and parts at the factory Certifications CE compliance As defined by the Electromagnetic compatibility requirements of Directive 2004 108 EC of the European Parliament and of the Council J Al Oy Finland declares that SW 2000T CXP2 and SW 2000Q CXP2 complies with the following provisions EN 61000 6 2 2005 EMC immunity EN 61000 6 4 2007 EMC emissions FCC This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the
24. a Paia SEGE aana Ra 16 5 11 Reversed readout direction xssnnnudnennaniniennennmmnnunnnnmnndninanansndaineennnnnunnionrombnn sss 16 5 12 GoaXPressintert acerca E T E TT TT IB TTE 17 5 12 1 Selection of the revision CXP 1 0 or 1 1 ccc cece ee eee e 17 5 12 2 Link modes sarmo ene ann ede viaantanaddy dddedud ddaeey dddededideneeey ree AS S 17 5 12 3 ECT test Modes rarai A A 18 SA3 Ethernet interface ee annsrsssinrsyns nuaa aa a aa a a D aE EREA 18 Sla Firmware Updates xiatadswvevdveveedydedededeveyedsededidedddideeididaeduls ANA RRAR AAA AAAAAAAAAAAR 19 5 14 1 MCU firmware update s sssesssrrrnuessrrrrrrtsrrrrrrttrrrrrrttrrrrrrrtrrrrrrrrrrrre gt 19 5 14 2 EPGATIEMWahC Updates aT 20 Command lineninter AC Ges raare eee ee EEEE RARRERN 21 6 1 Connecting via TeINEt a iarariataininiaiatalnln a ase nenten n te kense tekane n beika krene ae inamaana 21 6 2 Entering the commandS ssssssrrruessrrrrrrttrrrrrrt tnr rrrrt tt rnrn tte E r EErEE EEEE ESSE EEES 21 6 3 Command Formats iastivniy ccsaee crease eeu awn ae ane ated eens ae Na we NORA AAAA AAA AAA 22 Description OF commands fevieacusssnerasanasaia nari iN WN NNN NA NUNS EN a Ne ENR she awaa ANS 23 7 1 Group A General SettingS ccccccccece cece cence cnet ee eee tees eee rrtt tn rrrrunrnrrrrrrrnn 25 7 1 1 MODE select camera operating MOdE cece e eee nnana nnan EEEE teeta 25 PiAls2 NET NetworkeSettings sss ccsci aueri nnau a snasnsasecernnsteese 25 7 1 3 S
25. ace CoaxPress incl GenICam 10 100 Mbps Ethernet Protective glass or filter on input optional window EN 61000 6 2 2005 EMC immunity Regulation EN 61000 6 4 2007 EMC emissions FCC Part 15 Subpart B 56 SW 2000T CXP2 and SW 2000Q CXP2 11 3 Performance per selected sensor mode Quantum efficiency ee pets a S S Quantum well size Conversion factor Signal to noise ratio ale Dynamic range DR 6 a ei al ae 1 580 1 S e f m 6 dB E eo so ow rent C s or l 5 to 95 of saturation emporal dark noise Responsivity Linearity error e all specifications are subject to change without notice wavelength of light 625 nm DN as 12 bit Gain 1 0 DR 20 lg 4095 dark noise dB e SNR Quantum well size 1 20 Ig SNR dB 57 SW 2000T CXP2 and SW 2000Q CXP2 11 4 Spectral response op O uw oO _ X gt O 2 Lu E Y Cc Oo 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 Wavelength nm visible light is at 390 to 750 nm Fig 13 Total spectral response 3CMOS typical without lens uw op oO O D O Quantum Efficiency 8 S Ha O 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 Wavelength nm visible light is 390 to 750 nm Fig 14 Total spectral response 4CMOS typical without lens 58 SW 2000T CXP2 and SW 2
26. alue 8888 0 Hz the camera has automatically dropped the line rate to a safe value due to a too slow CXP Link speed that has been set after the faster line rate was already once accepted This can happen also when loading the factory settings or the user settings from the first CS LOAD or the second location CS LOAD2 31 SW 2000T CXP2 and SW 2000Q CXP2 7 2 3 LINE CTRL Exposure Control The camera has three exposure control modes internal mixed and Pulse Width Control PWC which uses only one input signal to control both the line rate as well as the effective time to integrate light The time when the exposure of one line ends and the exposure of the next line starts change of line initiates a procedure that is common to all the modes That includes stopping the integration of light or actually the collecting of the light generated electrons to the selected Quantum Wells one per pixel sampling the respective charge voltages and starting the conversions into digital values to represent the amount of light that each pixel collected At the same time the new line period starts and the camera starts to process the data that in fact originates from the line period that occurred two periods earlier There is a constant delay from the end of each scan to the time where the first pixel value comes out of the camera The user always gets exactly one line of data for each request of a new line but due to the internal delay it cannot al
27. amera model and the existing configuration available 2 Make sure you have a working communication via the Ethernet port 3 Make sure you have a compatible web browser and can access the main page at http 10 10 10 10 4 Check and make a note of the existing configuration telnet command VER 5 Save any settings that you want to keep The camera will reboot during the process 6 Initiate the camera by telnet command FIRMWARE UPDATE You may still cancel the operation after this Send command CONFIRM when asked if you want to go ahead 7 The green LED near the Ethernet connector should now start flashing rapidly This indicates that the camera is waiting for the new code 8 Access http 10 10 10 10 or refresh the page if you already were there The user interface will let you browse for the new file hex and upload it to the camera 19 10 11 12 13 SW 2000T CXP2 and SW 2000Q CXP2 Sweep Firmware Update v 2 2 Camera serial number SW447001 Please specify a Sweep hex file to upload Browse No file selected Upload Alternatively restart the camera without updating Restan Fig 6 User interface for the MCU update You can still cancel the update here in which case the camera will reboot once automatically The LED turns first into steady orange color Wait until it becomes green and steady again You will have to make a new connection to the camera after this If you instead clicked on
28. and to input power Please refer to official standard www coaxpress com for more information on the cabling solutions Each cable connects all the related grounds together electrical zero of the internal electronics to the chassis of the camera and then via the shielding of the cable to the electrical zero of the other end which is then often connected to system ground via its chassis 4 2 CoaXPress output modes Bit depths of 8 10 and 12 are supported Cameras operate internally with more than 12 bits All blanks are electrically zeroes The camera can be set to use only one connector or both 4 3 CXP revision The camera supports either revision 1 0 or 1 1 Default setting is for rev 1 1 The revision can be selected by writing to the CXP bootstrap register 0x4 The value 0x00010001 corresponds with CXP1 1 while value 0x00010000 is written to use CXP1 0 after next boot up 10 SW 2000T CXP2 and SW 2000Q CXP2 5 Operation and functions 5 1 Introduction 5 1 1 Image sensor The SW 2000T CXP2 and SW 2000Q CXP2 are built around a beam splitter prism and identical high performance CMOS line scan image sensors which each convert the light collected by each pixel into electrical charge The amount of charge generated in each of the individual pixels is basically directly proportional to the amount of light they receive The sensor has two options to store the charge at each pixel These are called Quantum Wells The smaller well can ho
29. aving and restoring the capture SettingS ccieeecee cece eee eens teen rnanan eae 28 7 2 Group B Commands affecting EXPOSUE cece cee sasatna rnrn nent eas 30 7 2 1 SENSOR selects the quantum well size and analog gain ceeeeee eee eee eae 30 F222 NE PERIOD and LINE RAN Encase TOORE ratte 31 7 2 3 LINE CTRL Exposure Control sssssrrrrssssrrrrrrrrnnrnntasrnnnnnnnnaanaannnrrrrrrrrrrne 32 254 LINE Inte Oration tiME i wives eee asain tenes 34 7 2 5 GAIN digital signal Calista eee eee aa alanaata moan EEEE 35 7 2 6 OFFSET output offset ssrssussssrrrenrrsrrrrrrtsrrrrrrttrrrrrrrtrrrrrrrerrrrrrsrrrrr 36 E2 FFC flatfield correctione siana ET a 37 1 2 8 OC Optical COrreCtOr csc a AA E AAA AAAA ANAA AAAA AAA AAAA AE UE VEAAA NAAA 38 7 3 Group C Commands affecting image output format i c 39 7 3 1 CXP FORMAT CoaXPress transmission format cccccececeeeeeeeeeeeeeeeeeeeaaeeees 39 7 3 2 COLOR SEL Select the colors for Output ssssssssssrrssssreerrrrrrnrerrerrrrrrrnnerrrer 39 7 3 3 READOUT pixel readout direction ssssssssseeeererrrrtt ttnt n ntanna annA AAAA Annana 40 SW 2000T CXP2 and SW 2000Q CXP2 HAL See the possibilities 7 3 4 ROI regions of interest ssseeennnnreereenrrrnsrrnrrrrrrrrrrrrrrrrrrrrrrrrrrrrrsrss gt 41 7 3 5 BINNING paring Of PixelS ccccccccecee cece eee tesa ee ee ee eaeeeee tenet esate saeeenaaees 42 7 3 6 ACQ start and stop of acquisit
30. ction in progress PoCXP active ae Orange Flashing rapidly Connection detection in progress PoCXP not in use Green steady Device connected but no data is transferred Green flashing rapidly Device connected Data is being transferred 8 SW 2000T CXP2 and SW 2000Q CXP2 Green Orange flashing slowly Connection test packets being sent Green red orange flashing slowly Test mode for compliance Red red pulse Error during data transfer 2 Status LED A multi color LED with the following functions Green steady Normal operation Green flashing slowly Busy Green flashing rapidly Performing firmware update or waiting for a firmware update to start Orange steady Initializing Orange flashing rapidly MCU firmware update in progress Do not disconnect the Ethernet cable Do not switch off the power Red Internal error 3 Ethernet Link LED Green steady Connected to an active network device This indicates the existence of a physical link only It does not indicate a valid TCP IP network configuration 4 Ethernet Status LED Yellow flashing Activity indicator Blinks shortly during data transfer 9 SW 2000T CXP2 and SW 2000Q CXP2 HAL See the possibilities 4 Input and output 4 1 CXP BNC connectors Both connectors connect to one single point to point coaxial 75 Q cable to output image data communicate with the camera
31. d already during production Users may use the FFC function to further adapt the camera into existing lighting conditions if necessary 5 4 Digital offset and gain stages This block first shifts the digital pixel value up or down and then applies a digital gain The result is limited to stay between zero and the maximum digital value Gain values lower than the default 1x may cause the maximum output value to be lower than the maximum of the range in use The offset block is a direct subtraction or addition It does not define the target value for dark response and has no feedback loop That is why the gain block which is simply a digital multiplier will also change the offset level thus possibly causing a need to readjust the offset value 12 SW 2000T CXP2 and SW 2000Q CXP2 Line Image Sensor DSNU Corrector factory Red ch Pattern Generator Red channel shown as an example Red green and blue channels are identical CoaXPress Binning Direction Interface 2 x 6 Gbps Commands Power Ethernet Interface Commands Fig 4 Line image processing block diagram 3CMOS approved up to 2 x 3 Gbps 13 SW 2000T CXP2 and SW 2000Q CXP2 Line Image Sensor DSNU Corrector factory Red ch Optical Corrector Pattern Generator Red channel shown as an example Red green blue and NIR I channels are identical CoaXPress Binning Direction Interface 2 x 6 Gbps Commands Power Ethernet Inte
32. d per request 1 1 Camera nomenclature The standard camera composition consists of SW 2000T CXP2 camera body with F mount x1 or SW 2000Q CXP2 camera body with F mount x1 and Lens mount sensor protection cap x1 In the model number of the camera SW stands for Sweep Series 2000 represents the resolution 2048 pixels T stands for Tri channel Q stands for Quad channel and CXP2 stands for CoaXPress interface with two connectors SW 2000T CXP2 and SW 2000Q CXP2 HAL See the possibilities 2 Main features 3CMOS or 4CMOS line scan camera with 2048 pixel resolution Beam splitter prism Color switch to link sensors to output channels Normal or reversed pixel readout direction Binning Regions of interest ROI Pixel size 20 um square Selectable Quantum Well size 60k or 360k electrons Selectable internal clock rate Maximum scan rate 80 000 lines per second o approved up to 69 000 lines per second with 4CMOS output and all the 2048 pixels CXP data interface o Two BNC connectors One or two coaxial cables One or two links 8 10 or 12 bits per pixel Supported CXP frequencies 1 25G 2 5G 3 125G 5G and 6 25G approved up to 3 125G DSNU correction as factory default Flat field correction FFC Test pattern generator for set up and troubleshooting Lens mount no mount or F mount default DC input voltage via CXP cable Ethernet port for o Control and monitoring o Firmware updates o Download o
33. ding to form LINE IT lt value gt the optional lt ime gt is omitted When the command parameter is a physical quantity the unit itself must not be given For example the integration time is set to 12 us but the microsecond unit is implied by the camera It must not be typed by the user Some commands can be applied only to one channel at a time by giving the channel identifier as a parameter All channels can be modified by one command by leaving the channel identifier out The optional parameter ch is the specifier of the channel It is R G or B for 3CMOS models and R G B or for 4CMOS models Examples GAIN R 1 5 set red channel gain to value 1 5 GAIN B 3 1 set blue channel gain to value 3 1 GAIN 2 8 set gain of all the channels to value 2 8 22 SW 2000T CXP2 and SW 2000Q CXP2 7 Description of commands The commands can be divided into four groups Group A General settings MODE for selecting operating mode after boot up NET for network settings for the Ethernet communication The NET settings are saved automatically CL SERIAL set the baud rate for Camera Link communications CS SAVE CS LOAD CS SAVE2 CS LOAD2 and CS FACTORY RESET for saving loading or restoring the settings of group B and C Group B Commands affecting exposure SENSOR for selecting the quantum well size and analog gain LINE RATE and LINE PERIOD for setting the scan rate LINE IT for selecting the actual light integration time LINE CTRL
34. erences Also generally a method called Flat Field Correction FFC is used for operations where a similar correction is done more precisely and for each pixel individually The correction typically uses a 2 point linear method where both the dark and bright level pixel responses are equalized making it possible to have uniform response on all light levels within the operating range of the camera This would in fact be a complete single routine to perform DSNU PRNU and Shading Corrections all at the same time but the corrections are separated in this implementation DSNU correction is preset at the factory Shading correction is replaced by FFC which operates assuming a fixed dark reference level and includes the PRNU correction The FFC unit scales the pixel values by factors that are calculated by imaging a calibration target in order to produce a uniform flat response under the same conditions as where the calibration routine was run This can either be done individually for each channel or with one common target level which will result in white balance The dark reference is fixed already at the factory Bright references are taken by averaging the lines that were imaged from the calibration target 15 SW 2000T CXP2 and SW 2000Q CXP2 5 7 Optical Corrector OC This is a digital compensator to spatially shift imaged pixel values to match with the reference channel pixel positions with the goal to remove effects caused by chromatic ab
35. ernative commands are NET QUIT and BYE 27 SW 2000T CXP2 and SW 2000Q CXP2 7 1 3 Saving and restoring the capture settings This group of commands is used for saving and reloading image capture related settings as one set Two storage locations are available for writing and reading The third storage location is for the factory settings which can only be loaded Note The ON OFF status of FFC is included in both sets The correction data itself is the same with both sets There is only one common storage place for this data Command Description CS List of available Capture Settings group commands CS Returns the present Capture Settings CS SAVE Saves the present Capture Settings to the first memory location Loaded during reboot and power up CS LOAD Loads the stored Capture Settings from the first memory location CS SAVE2 Saves the present Capture Settings to the second memory location CS LOAD2 Loads the stored Capture Settings from the second memory location CS FACTORY RESET Restores the Capture Settings to the factory values and saves them to the first memory location 7 1 3 1 CS show image capture settings The command CS shows existing settings for this group of commands SENSOR LINE RATE LINE PERIOD LINE CTRL LINE IT GAIN OFFSET CXP FORMAT COLOR SEL READOUT ROI BINNING FFC OC 28 SW 2000T CXP2 and SW 2000Q CXP2 7 1 3 2 CS SAVE save
36. erration The camera contains a list of pre evaluated lenses and their imaging parameters like the range of distances and field of view over which that correction is valid Users can select any correction on the list or create and add their own The difference is that the factory made correction use a high degree polynomial for best match also with non linear increase of chromatic aberration when going from the center of each line towards the beginning or end of each line while the user created corrections will only be linear Please contact J Al for instructions if you need to make your own correction 5 8 Color Selector The color selector is a switch matrix to connect any of the input channels to any or multiple of the output channels It is 3 by 3 on the 3CMOS and 4 by 4 on the 4CMOS model Additionally the 4CMOS model includes the possibility to select any of the three channels and send them out as any of the formally 3 channel RGB formats 5 9 Regions of interest ROI This block can be used to select up to four sections of pixels to be used as one combined line of pixels The purpose is to reduce the amount of data and to remove unnecessary regions 5 10 Binning Neighboring pixels can be digitally added or averaged as pairs The resulting larger pixels are then sent out as one The resolution as well as the number of pixels will be half The goal is to have larger pixel area either to increase the response or to reduce noise 5 11 Reve
37. es ann Sea ANARE EORR EA OESS EES OOO EAEN T 3 2 Connector panel and indicators cece cece eee eee eee een eee ott t teat tenet nate tas 8 IMPUEANGMOUT DU ite ict ine gage eee eee ene EE AC eee ieee ieee MENEE en lie die ie fag 10 4 1 CXP BNG CONN CUMS ereere ereer eee anh he hha sauce sa eag aaa y ay 10 4 2 C aXPress output INOU CS eiaiieiidsdddddadddtddddidddidiiiddddddddddidddtdddddddaddddd duuuaueas 10 4 3 CXP TrEVISION ira ENERE NEE KEE N 10 Operation and FUNCTIONS ssssssrreesssrrrrrrttrrrrrtt nH EE EEE HEED SESE SEEE ESSE DEE EEE SE EEE EEE EE ES 11 5 1 Introduction sr haa 5s heh eRe hen ee ee RAE Ce RAE E aE a RACE CE Ri CC ade eid dy 11 Sels AMAJE SESON AAAA vere EAEE EEEE RENEE eee ke eae eee eea dads 11 5 1 2 Lneimdge processing erereerere teere e e enee a EE EAEE EENEN 12 5 2 Operating MOG eSa eiaaa E AAEE AAAA aaa receneageiits 12 5 3 DSNU CORFECUOM natn tenn en ee AAA AAA AEA A AARAA A ERAEN ARAARA AARNA 12 5 4 Digital offset and gain stagesS ssssssseeeeti kiinne eee 12 5 5 Teast Pattern Generator iiini a a aoa 15 5 6 Flat Field Corrector PFE riere iri teetettiin euna i EAEEREN R AERE ERA EE EARNAN CAAAAAAAAAAA AAA 15 5 7 Optical Conrector OCh rippesereeoes urepe epep epee prenn een EEEE EEE SEn aA EE 16 5 8 COl Or SENEC COT EEEO TOOTO ET 16 5 9 Regions of interest ROI susssssrrnunssrrrrrrttnrrrrrt tsr rrrrt tt rnrn AAA Nk ERDEDS SITES 16 5 10 BINNING seso tenneuere titt aiaa AAA SaN D TEREE OTUR EE A
38. f files from camera internal web server Short ASCII commands for set up via Ethernet using the Telnet protocol o Windows user interface GenlCam compatible J Al SDK etc OTO O Q SW 2000T CXP2 and SW 2000Q CXP2 3 Connectors and mounting 3 1 Locations 2 Fig 1 Location of external features 1 CoaxXPress connector for single link operation and power input 5 Mounting holes M5 depth 5 mm 2 Second CoaXPress connector for dual link operation and power input 6 Guide pins 3 0 mm 3 Ethernet connector 7 do not use for new designs 4 Lens mount Note Both the CE and FCC approvals require that the camera chassis is grounded This will typically happen when the camera is mounted using any of the mounting holes Additionally it can be secured by connecting a copper cable of 10 mm or thicker to the electrical system ground SW 2000T CXP2 and SW 2000Q CXP2 HAI See the possibilities 3 2 Connector panel and indicators Fig 2 Connector panel 1 CXP LEDs Two multi color LEDs with the same indications The camera always boots up using only the first CXP link and then possibly activates the second one too except in the CXP1 0 mode where it boots up according to the number of the links that was saved by the cxp config commands Orange steady CXP is booting up Red flashing slowly Power ON Not yet connected a 9 Green Orange Flashing rapidly Connection dete
39. his is compensated All SW 2000T and SW 2000Q models automatically center the integration times The longest time period is started at the beginning of each line period The midpoints of all channels occur the same time with the midpoint of the longest duration The Internal exposure mode cannot be synchronized to an external event If external synchronization is needed then the MIX or the PWC mode should be used 7 2 3 2 Mixed mode exposure control command LINE CTRL MIX The line period is now the time between two consecutive rising edges of the CXP trigger signal The integration times are controlled internally by the command LINE IT per each channel The command LINE IT ch lt value gt is not available in this mode This mode is useful in situations where the integration times need to stay constant regardless of variations in the line frequency Each scan would then be triggered from some external source while the actual integration times of light would be programmed in advance as absolute values The maximum integration times are always about 2 us shorter than the line interval which is common to all the channels If any integration time is too long it will be limited to the maximum in which case it will vary according to the line trigger input CXP trigger frequency The camera monitors this frequency Individual exact values can be read out by the command LINE All the integration times are internally automatically centered the
40. ig61 one link 6 25G 3CMOS 80 73 61 kHz NOTE usable not officially approved 4CMOS 69 55 46 kHz NOTE usable not officially approved cxp config1 2 two links 1 25G 3CMOS 36 29 24 kHz A4CMOS 27 22 18 kHz cxp config 2 2 two links 2 5G 3CMOS 73 59 49 kHz A4CMOS 55 44 36 kHz cxp config 3 2 two links 3 125G 3CMOS 80 73 61 kHz A4CMOS 69 55 46 kHz cxp config5 2 twolinks 5G 3CMOS 80 80 80 kHz NOTE usable not officially approved A4CMOS 80 80 73 KHz NOTE usable not officially approved cxp config 62 two links 6 25G 3CMOS 80 80 80 kHz NOTE usable not officially approved A4CMOS 80 80 80 kHz NOTE usable not officially approved 5 12 3 ECT test modes The camera includes a special operating mode for the Electrical Compliance Tests ECT of the standard The camera will then output test mode data with the selected link speed The new values are automatically saved and taken into use at next boot up 5 13 Ethernet interface The 10 100 Mbps Ethernet port interface is provided as an alternative way to communicate with the camera Connection to Ethernet offers usual networking possibilities like remote access and connecting multiple cameras together for control and monitoring The standard GeniCam programming interface via the CoaXPress connection is allowed to be in use at the same time This of course requires caution if both channels are used for changing camera settings
41. ion sssssssssssssseerrrrirnnnrtrt tirrin nanne errre 42 7 4 Group D Utilities aneres aa aaaeeeaa aaa a REEERE EEEE 43 7 4 1 HELP or list of COMMANAS cecce cece cece eee e esate eats ease east eset esate eaeeeaaeees 43 7 4 2 VER Camera information cccccecce cece eee e eee e eee seats eee e east eset esatesaeeenaees 43 7 4 3 STATUS camera information and settingS sssssssrrrrrrrrrrrrrrrrrrrrrrrrrrrere 43 7 4 4 TEST test patterns 0 cccccccccccc cece cece eee cent ee eee e sees tessa atte sates rnrn r EE SaEE ES 43 7 4 5 REBOOT restart the camera cece cece cece eee ee eee eee eee eeae ee seateeseneeeeennnnes 45 7 4 6 FIRMWARE UPDATE initiate the MCU Update cccceceseee eset eee eeeeeeaeeneenenees 45 8 Summary Ol COMM ANC Sens veasckaserssesaceveeyseyndspsunseyeeyonspeayeeyeeenespsuysEsssaaeeaeeueee eee aees 46 9 Software tools for camera COMMUNICA ONS lt tscccsccccessiasseseeasesssassesseasassiassesseasaauaansss 50 9 1 JAF Sweep Ethernet Tool s 2223253552 seh 1 scaasaeseseensaneaaesaasaaaeaseeneaasaaaee EEEE EEES 51 9 2 Internal web SErVET sssssrrrrrnrrrrrrrranannnnnnnnn rr rra nrANNNEEEEERERAARAAMANINEEEEEEEEEEEEREREEEES 53 10 External dIMEnSIONS seriens EAEE eee eee sees ees EERE 54 T1 MMI ea a Seas annn A AAAA AAAA EEOSE OTEO Oii 55 ILT Operating TaNGGwissssosscseonscssesissarvenesneesneeaseeaweee yan S ASIAT EEEEEENNNENENEE R 55 11 2 Common propertie Susroarnossinanisa iaaa
42. ires that the index of each end pixel must be divisible by 16 Changes to selections are made by defining the complete set again Examples Region 1 Region 2 Region 3 Region 4 a AX T T T T T X0 X1 X2 X3 X4 X5 X6 X7 97 352 401 656 993 1280 1409 2048 Command Description ROI Returns the syntax ROI Returns the present settings ROI X0 X1 Sets the ROI to start at pixel XO and end at pixel X1 ROI X0 X1 X2 X3 Sets region 1 to start at pixel XO and end at pixel X1 and region 2 to start at pixel X2 and end at pixel X3 ROI X0 X1 X2 X3 Sets region 1 to start at pixel X0 and end at pixel X1 X4 X5 and region 2 to start at pixel X2 and end at pixel X3 and region 8 to start at pixel X4 and end at pixel X5 ROI X0 X1 X2 X3 Sets region 1 to start at pixel XO and end at pixel X1 X4 X5 X6 X7 and region 2 to start at pixel X2 and end at pixel X3 and region 8 to start at pixel X4 and end at pixel X5 and region to start at pixel X6 and end at pixel X7 ROI ON Activates ROI If no regions are specified then all 2048 pixels will be sent out Returns the same regions into use unless new regions have been defined ROI OFF Deactivates ROI Default setting 41 SW 2
43. ities to collect the light generated charge The default setting uses the smaller well size for higher responsivity The larger well size is used for a wider dynamic range and a better signal to noise ratio which results in more valid bits The difference of the responsivity between the two well sizes is approximately a factor of 6 Additionally an analog gain factor of 2 can be selected with both modes Command Description SENSOR Returns the SENSOR setting syntax SENSOR Returns the present setting of SENSOR SENSOR ch DYNAMIC 1 Sets the sensor into the high dynamic range operating mode Larger Quantum Well is in use SENSOR ch DYNAMIC 2 Analog gain of 2x added SENSOR ch RESPONSIVE 1 Sets the sensor into the high responsivity operating mode Smaller Quantum Well is in use Default setting SENSOR ch RESPONSIVE 2 Analog gain of 2x added The ch is the specifier of the channel R G or B for 3CMOS models R G B or for 4CMOS If no channel is given the same setting is applied to all the channels 30 SW 2000T CXP2 and SW 2000Q CXP2 7 2 2 LINE PERIOD and LINE RATE These commands are used to set the scan rate for the internal timing generator which is selected by the LINE CTRL INT command A new setting will be effective even though the camera is in external timing mode The LINE RATE is the inverse of the LINE PERIOD and if one of them is changed then the other will be changed as well
44. ld about 60 000 electrons 60 ke while the larger has capacity for 360 ke The larger well should be used whenever feasible as it provides the best image quality due to higher dynamic range and better signal to noise ratio SNR but also requires about six times the light for the same response SNR is limited by the shot noise of the light itself and thus it is beneficial to collect as many photons light as possible The smaller well can be used to provide about six times as high response to light but with the cost of lower SNR and dynamic range Due to internal timings and processing there is one inactive period of 1 to 2 us per each imaged line when the received light is not used Thus the maximum time the light generated charge is integrated is always slightly shorter than the line period Correlated Double Sampling CDS is used for sampling the charge voltage and the reset level to find the difference which is then digitized into more than 12 bits and sent out of the sensor for processing An analog gain factor of 2 can be applied to the above mentioned difference regardless of the well size The selection is included in the SENSOR command syntax Please note that these cameras are not designed for low light conditions but for high image quality which always requires a reasonable amount of light to be available VOLTAGE VOLTAGE aD m gt QUANTUM WELL t COMMAND SENSOR Fig 3 Sensor block diagram
45. le image transfer GenlCam compatible software uses these functions directly as needed The acquisition should be stopped ACQ STOP before any of the following telnet commands e ROl BINNING READOUT CXP FORMAT TEST LINE CTRL CS LOAD1 CS LOAD2 CS FACTORY RESET The acquisition is always disabled after power up restart and loading of factory settings The status cannot be saved The commands CS LOAD and CS LOAD2 do not change the status 42 SW 2000T CXP2 and SW 2000Q CXP2 7 4 Group D Utilities 7 4 1 HELP or list of commands 7 4 2 VER camera information This command displays version information of various components of the camera The command also returns camera model number MAC address and serial number Command Description VER Display version information and identifiers of the camera 7 4 3 STATUS camera information and settings This command includes the VER command and additionally shows all camera settings Command Description STATUS Display all identifiers and user settings 7 4 4 TEST test patterns The image data can be replaced by artificially generated known test patterns to help interfacing the camera trouble shooting and locating faults Five patterns are available They all depend on the selected bit depth The channels operate independently Modes can be selected or switched off individually by using the ch parameter If no channel is given the c
46. n to establish a scene illumination as uniform as possible and to use the intended optics and adjustments for the application A uniform test target is needed It is recommended to calibrate the correction slightly off focal This can be achieved either by changing the viewing distance recommended option or by turning the lens a little off the best focus The calibration routine first switches the correction off The correction itself is a 2 point linear calculation to compensate for all the pixel specific differences both at the lowest response levels darkness as well as at the bright levels which exist when the routine is run Two reference lines are used Both are an average of 32 lines The dark reference was calibrated already at the factory DSNU The bright reference is taken during the calibration Two modes exist The image can be flattened either individually for each channel PEAK MODE or to a common level WHITE MODE which results into a white balance The target value for all the pixels is then the brightest value per each channel or the brightest value on any channel The correction unit is loaded with the new factors and the correction is turned on The correction factors are saved and loaded along with the commands CS SAVE CS SAVE2 CS LOAD and CS LOAD2 but because there is only one common memory location available they actually all operate with the same data Command Description FFC Returns the comma
47. nd start new ones as needed 7 4 6 FIRMWARE UPDATE initiate the MCU update This command starts the loading of new firmware for the MCU Please refer to chapter 5 14 for detailed instructions Also the FPGA update process is described there Command Description FIRMWARE UPDATE Initiates the microcontroller firmware update after confirmation 45 SW 2000T CXP2 and SW 2000Q CXP2 8 Summary of commands A General settings Command Function Command Format Parameter Remarks 1 Camera operating MODE Senes fundamental settings mode reboot required 2 Network settings NET a laeb address NET IP lt address gt XXX XXX XXX XXX static DHCP off NET IP AUTO dynamic DHCP on 4 set subnet mask NET MASK lt mask gt XXX XXX XXX XXX only wie ete address B ead eraule ourer NET GATEWAY only with static lt address gt XXX XXX XXX XXX address 6 ireset net settings NET FACTORY RESET 7 camera name NET NAME lt name gt new name 8 remove the camera NET NAME DELETE name for network NET CLOSE 9 close session NET QUIT or BYE 10 Save capture CS SAVE affected commands settings CS SAVE2 SENSOR 11 Load capture CS LOAD LINE RATE settings CS LOAD2 LINE PERIOD LINE CTRL LINE IT GAIN OFFSET Restore factory CXP FORMAT 12 settings for image CS FACTORY RESET COLOR SEL capture and save READOUT ROI BINNING FFC OC 46 SW 2000T CXP2 and SW 2000Q CXP2
48. nd syntax FFC Shows whether the correction is ON or OFF FFC MODE Shows which of the two modes is selected FFC PEAK Each channel will be calibrated to the level of its brightest pixel FFC WHITE All channels will be calibrated to the same level which is the brightest response of all the channels Default setting FFC RUN Calibrates the correction to reach the same response for all the pixels either individually for each channel or together for all the channels and turns the correction on FFC ON Activates the FFC function If FFC was never run no correction data is available and no changes will be made to the line image FFC OFF Switches the FFC function OFF Default setting 37 SW 2000T CXP2 and SW 2000Q CXP2 7 2 8 OC Optical Corrector The line imagers have been aligned with each other at a micrometer range accuracy on the same optical position This is valid near the center pixels and the optical axis Due to optical properties of the beam splitter glass block and the lens some chromatic aberration will be present in the images towards both ends of the lines This is caused by the different image sizes on the sensors when looking at same imaging target The Optical Corrector effectively scales the images to be the same size This means that a detail on the target will be seen by the same pixel index on all the channels The sensors have some extra pixels to make sure that this scaling works for all the active
49. nd transmits it to the command interpreter in the camera for parsing and execution If the communication is coded into a software application then each line must have a carriage return character ASCII 0x0D at the end Also a line feed character 0x0A may be sent after the carriage return but it is not needed Please note that the response time of some commands is considerably longer Commands like VER STATUS CS LOAD CS LOAD2 and CS FACTORY RESET take almost 10 seconds to complete 21 SW 2000T CXP2 and SW 2000Q CXP2 6 3 Command Format The following notation is used for describing the command syntax BOLDFACE indicates the fixed command word that must be typed as it is A vertical line delimits alternative forms of a command oraces are used to group the alternative forms delimited by the vertical line lt wedge brackets gt are used to delimit the names of values square brackets indicate an optional part that can be omitted All parameters numbers options must be separated by one or more spaces All commands are case insensitive VER Ver and ver are all equal Example LINE IT lt time gt lt value gt A command described using this syntax has two alternative forms The first form takes a time as its only parameter while the second form takes the percentage as an optional integration time The following commands are valid examples of this LINE IT 12 according to form LINE IT lt time gt LINE IT 100 accor
50. ns The camera can communicate either via GeniCam SDK or the Ethernet 10 100 port Both communications can be used at the same time The reply is sent to only the channel from where the command was received CoaxXPress interface supports GenlCam for use with compatible user software like the J Al SDK which can be downloaded from the J Al web site Ethernet port supports multiple Telnet sessions at the same time Standard terminal programs can be used for control at command level Default IP address is 10 10 10 10 Telnet Port is number 23 J Al provides a control tool as Windows software and a web browser access 50 SW 2000T CXP2 and SW 2000Q CXP2 9 1 J Al Sweep Ethernet Tool The Sweep Ethernet Tool is a telnet terminal program with possibility to run scripts and to display single line graphs average of 32 lines Freeze History Set or query the Ethernet network settings Save the capture settings Load the capture settings Reset the capture settings to the factory delivery state Group B Commands affecting exposure Select the quantum well size and analog gain Set the line period interval in microseconds Set the line rate in Hz Select internal or external line timing control Set the line integration time in microseconds Set the digital offset Group C Commands affecting image output format Select the CoaXPress pixel format Select the CoaXPress bit rate and the number of links
51. ommand applies to all the channels Horizontal patterns ramp either up or up down within each line with steps that equal the selected camera output bit depth All lines are then equal Vertical patterns perform the same but in line to line direction All values within each line are then equal The last pattern P5 is a combination of these two directions to enable tracking in both domains with a single test pattern It starts exactly like the horizontal pattern P1 but when advancing to next lines it leaves the darkest pixel values out one by each line This effectively also shortens the length of the horizontal sequences causing the position of the horizontal ramps to move from line to line The last line of one sequence then finally only contains the maximum values making it look like one completely white line 43 SW 2000T CXP2 and SW 2000Q CXP2 The lowest value is actually always the same as what the vertically changing pattern P3 would have been if it had been started at the same time as P5 Thinking of the visual look of the pattern P3 the correct look of this pattern P5 can be better understood the base level or the darkest part of the pattern varies just like the vertically ramping P3 would vary And while the base level gets brighter the horizontal pattern also gets tighter as the lengths of those horizontal ramps decrease making the respective image look like a pattern of higher frequencies Please note that the selection is
52. or REBOOT command or power cycling the camera NOTE The CS FACTORY RESET command also saves the new values to the first memory location like the command CS SAVE 24 SW 2000T CXP2 and SW 2000Q CXP2 7 1 Group A General settings 7 1 1 MODE select camera operating mode The command MODE selects the operating mode that will be entered when the camera is rebooted The names of the modes refer to the maximum line rate of each mode If the maximum required line rate is known this command can be used to select the most suitable option Changing to a lower speed option may set the camera to operate internally at a slower clock rate which will lead to lower internal temperatures and slightly increased operating temperature range MODE internal clock max line rate SPEED35kL 50 MHz 35 kHz factory default SPEED70kL 100 MHz 70 kHz SPEED80kL 100 MHz 80 kHz Command Description MODE Returns the MODE setting syntax and a list of available modes to select from MODE Returns the present setting of MODE MODE lt file name gt Sets a new operating mode Reboot required 7 1 2 NET network settings The Ethernet control interface settings can be changed using the NET group of commands Caution Setting incorrect network properties can cause the camera to be unreachable through the network If this happens please use GenICam via an SDK interface to reset or correct the network settings
53. rection to reverse starting with last pixel 40 SW 2000T CXP2 and SW 2000Q CXP2 7 3 4 ROI regions of interest This command can be used to select only specific sections of each line to be sent out Up to four regions can be defined The selected parts of the line will be combined together to make one shorter line This increases the limit of the maximum line rate the absolute maximum still being set by the selected MODE There are no empty pixels or spaces in between the regions in the output data Furthermore both binning and reversed readout order can be applied after this Please note that all pixel number indices still and always refer to the real physical pixel numbers of the sensor itself First pixel is labelled as 1 and thus the last pixel is number 2048 For simplicity and first trials it is recommended to divide the full range of pixels into 8 sections of 256 pixels each and then select individual or groups of sections by using the respective start and end pixel indices Alternatively the selections can be optimised by following these detailed rules The start pixel index must always be odd and smaller than the respective end pixel index at each region and the regions must not overlap All indices must be within range of 1 to 2048 Minimum width of each ROI is 128 pixels or 256 pixels if binning is in use Each region may have individual widths but they all must be divisible by 64 Additionally GenlCam use requ
54. rface Commands Fig 5 Line image processing block diagram 4CMOS approved up to 2 x 3 Gbps 14 SW 2000T CXP2 and SW 2000Q CXP2 5 5 Test Pattern Generator The cameras can send out five test patterns instead of the real imaged lines for purposes like interfacing and problem analysis The patterns replace the image data and can thus be used also to test the following blocks Each channel can be individually set to any of the patterns or to show the real image data Original full patterns are available after switching off the FFC ROI and binning Test data is also affected by the readout direction selection 5 6 Flat Field Corrector FFC Factory calibrated DSNU corrector minimizes pixel specific differences in darkness There is no need to correct the PRNU as a factory setting as it is less than the noise Real applications only rarely can provide equal amounts of light for all pixels This is caused mainly by effects like uneven distribution of light light profile or properties of lenses like vignetting Pixels at the center region tend to get more light while the intensity decreases towards both ends of the line image sensor The compensation method called Shading Correction results in a flat equal response to light under the same conditions in which the calibration routine was run It is generally thought of as a coarse correction to regionally scale or gain the pixel responses without paying attention to any pixel specific diff
55. rsed readout direction This function enables reading of the pixel values in correct order in cases where it is not practical to install the camera to follow the intended imaging direction 16 SW 2000T CXP2 and SW 2000Q CXP2 5 12 CoaXPress interface CoaXPress CXP is a communication standard for imaging applications It provides high speed image data communications and control triggering and power input all over a single coaxial cable as one CXP link The transmission is point to point and possible up to distances exceeding 100 meters at low link speeds Multiple links can be used in parallel The first link acts as the master and must always be connected The so called Uplink for communications and control runs always at the constant rate of 20 Mbps 5 12 1 Selection of the revision CXP 1 0 or 1 1 The camera operates according to revision 1 1 as default but supports also rev 1 0 The revision is selected by writing to the bootstrap register defined in the standard itself The new selection is automatically saved and taken into use at next boot up The host should check the setting during initialization and change it if necessary 5 12 2 Link modes The camera always boots up with one link at speed of 3 125G to negotiate with the host on the transmission properties if used in CXP1 1 mode which is the recommended and default option The same link speed is used also in the older CXP1 0 mode but the initial boot up will use both link
56. s of 256 pixels each and then select individual or groups of sections The following list shows the detailed rules to optimise the regions depending on operating mode COSI OT eGo Mr Pixel indices are from 1 to 2048 also with binning Start index of each region must be odd Width of each ROI must be divisible by 64 Width of each ROI must be at least 128 pixels Width of each ROI must be at least 256 pixels if binning is in use Regions must not overlap All regions must be set at once and in ascending order of pixel indices GenlCam use additionally requires that each end pixel index is divisible by 16 48 D Utilities SW 2000T CXP2 and SW 2000Q CXP2 Command Function Command Format Parameter Remarks 1 Help HELP or list of commands ve examples 2 Pee specie daca ey GAIN LINE RATE 3 Query of existing lt command gt with no le setting parameters LINE RATE Camera identifiers poe nn 4 f VER Versions MCU HW and version numbers sensor logic 5 Camera information STATUS and settings 6 Selection of test TEST ch lt pattern gt From P1 to P5 aeee patterns TEST OFF 7 NE pooting ene REBOOT close Telnet sessions camera 8 Firmware update FIRMWARE UPDATE http 10 10 10 10 The ch is the specifier of the channel R G or B for 3CMOS models R G B or for 4CMOS 49 SW 2000T CXP2 and SW 2000Q CXP2 9 Software tools for camera communicatio
57. s if the camera was set for two cable operation next table The host is typically a frame grabber board and acts as the master here It can try any of the standard link modes or read the preferred link mode that the camera has been set to show The host can then change the link speed but it cannot change the number of links The camera can change the number of its links only by the cxp config command The preferred link mode of the camera can be preset to be one of the ten options listed in the table below The command cxp config is available only via the Ethernet connection as a telnet command not via GeniCam The given values are immediately saved but will not become effective until the next restart If the new mode is slower please make sure that the line rate value saved by the CS SAVE command is not too high 17 SW 2000T CXP2 and SW 2000Q CXP2 Command Link mode Max line rate Use of ROI and BINNING may raise the limits The selected Operating Mode see 7 1 1 is the absolute limit cxp config1 1 one link 1 25G 3CMOS 18 14 12 kHz for 8 10 12 bits per channel 4CMOS 13 11 9 kHz for 8 10 12 bits per channel cxp config2 1 one link 2 5G 3CMOS 36 29 24 kHz ACMOS 27 22 18 kHz cxp config3 1 one link 3 125G 3CMOS 46 36 30 kHz ACMOS 34 27 23 kHz cxp config51 one link 5G 3CMOS 73 59 49 kHz NOTE usable not officially approved ACMOS 55 44 36 kHz NOTE usable not officially approved cxp conf
58. same way as in the INT mode to minimize color mismatch 33 SW 2000T CXP2 and SW 2000Q CXP2 LINE INTERVAL E v E A INTEGRATION TIME LINE IT B Fig 7 Line timings in mixed control mode The LINE IT shown here can be any of the RGB or RGBI channels Integration times are centered to occur at the same position 7 2 3 3 PWC mode exposure control command LINE CTRL PWC Both the line period and integration time are controlled externally by the CXP trigger The integration time is same for all the channels The time between two falling edges defines the line period Integration starts at the rising edge and stops at the end of the line period Thus effectively the exposure time is equal to the HIGH period while the length of the period equals the line rate LINE INTERVAL lt gt CXP trigger l Y Y INTEGRATION TIME Fig 8 Line timings in PWC control mode 7 2 4 LINE IT integration time This command is used to control the integration time effective exposure time for each line The timing can be specified either as an absolute time in microseconds or as percentage of the line period The integration time given as percentage of the line interval is recalculated automatically when the line rate changes The integration time set in absolute units remains constant unless the line rate setting forces the camera to shorten it Command Description LINE
59. t be multiplied by 16 Default value is zero for all the channels The ch is the specifier of the channel R G or B for 3CMOS models R G B or for 4CMOS If no channel is given the same setting is applied to all the channels The lt offset gt is a positive or negative integer within the range of 1023 to 1023 This equals 25 of the full scale The offset is always entered as a 12 bit number which means that if you have set the camera for one of the 8 bit output modes you should multiply the intended offset shift by 16 to get the offset for this command Please keep in mind that this command changes the digital output signal level just before the gain factor is applied A positive number raises the output levels while negative numbers drop the levels The lower limit of the adjusted level is zero Lower output values can be used for a Contrast Expansion where the darkest response of an application is brought closer to zero 36 SW 2000T CXP2 and SW 2000Q CXP2 7 2 7 FFC flat field correction The function of the Flat Field Correction FFC is to compensate for differences in the optical input This can be shading due to lower transmission at the lens sides or similar optical corrections The Flat Field Correction should be done when the input light distribution is as uniform as possible in order to avoid the possibility of the FFC correction adding errors to the compensation when activated The procedure is the
60. the upload button this LED will continue flashing with multiple colors during the loading Do not interrupt the upload The camera will then automatically reboot The LED will first go off then turn orange and finally green Close old communication sessions to the camera and establish new ones as needed Verify by command VER that the MCU version number has changed as intended 5 14 2 FPGA firmware update ve N Sm 10 11 12 13 Make sure you have the correct file rbf for the camera model and the existing configuration available Make sure you have a working communication via the Ethernet port Make sure you have a compatible web browser and can access the main page http 10 10 10 10 already before initiating this update Check and make a note of the existing configuration Telnet command VER Save any settings that you want to keep The camera must be rebooted during the process Access http 10 10 10 10 FPGAupdate html Browse and open the file rbf You may cancel the operation now by closing the web page Click on Upload to proceed Do not interrupt the upload The green LED near the Ethernet connector should now turn off Wait for the user interface page to change This may take up to 3 minutes The yellow Ethernet LED flashes when code is being loaded This should start within the first minute Click on the HOME button The LED remains off The camera must next be rebooted You may power cycle the
61. ue of the selected output range All changes in GAIN apply directly both to the signal and the dark level as well If the dark level needs to be maintained it is necessary to modify the OFFSET value respectively A coarse estimate for the new OFFSET value can be calculated as follows and regardless of the bit depth in use OFFSET 50 GAIN 50 Command Description GAIN Returns the command syntax GAIN Returns the present Gain setting GAIN ch lt value gt Sets the Gain to lt value gt for the selected channel where lt value gt is any number between 0 1 and 32 with up to three decimals The default setting is 1 000 The ch is the specifier of the channel R G or B for 3CMOS models R G B or for 4CMOS If no channel is given the same setting is applied to all the channels 35 SW 2000T CXP2 and SW 2000Q CXP2 7 2 6 OFFSET output offset The value given by this command is directly added to or subtracted from the pixel values prior to applying the GAIN Command Description OFFSET Returns the command syntax and the available range OFFSET Returns the present Offset setting OFFSET ch Changes the signal level of the selected channel prior to the GAIN lt offset gt stage Offset is always given as a 12 bit number Offset changes in any 10 bit scale need to be multiplied by a factor of 4 to get the correct value for this command Respectively 8 bit offsets mus
62. ways be the next line after the request No lines though are lost in the process It is possible to limit the amount of time that light is effectively collected integration time within each scan period by using an electronic shutter function The integration times of all the channels are aligned with each other to optimise imaging of all the lines the same time Two general principles apply to all the modes If the line period is too short the request to change the line is ignored The camera will then wait for the next valid request The second principle is that if the integration time on any channel is too long in respect to the line period it will be cut short at the end of the line period Information on the existing conditions is available by the command LINE The source for these events can either come from the CXP trigger or from internal timers or as a combination of these two The CXP trigger is generated by the host internally or based on its input signals It is forwarded to the camera as a transmission packet In order to provide the camera a real time trigger the trigger packet transmission over the coaxial cable has the highest priority The time delay value between the trigger event and the trigger packet being sent is coded into the packet itself The camera uses these values to recreate the trigger event with low jitter and a fixed latency Command Description LINE CTRL Returns the command syntax

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