3.2 Optical Interface ................................21 3.3 Electrical Interface ............................... 23 Software Interface ___________________________________________________ 25 4.1 Spyder3 Camera Link ASCII Commands ........................25 4.2 First Power Up Camera Settings ..........................26 4.3 Sensor Output Format ..............................29 4.4 Exposure Mode, Line Rate and Exposure Time ......................31 4.5 Color Commands .................................
Spyder3 Color Manual 1 Introduction The Spyder3 Color camera uses DALSA‘s state-of-the-art dual line scan technology in order to deliver high color quality, low-cost and ease of use for color imaging. This camera features 2k and 4k resolutions with a maximum line rate of 18 kHz. The zero gap between the two sensor lines minimizes image artifact.
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100 % print inspection (lottery tickets, stamps, bank notes, paychecks, etc.) General web inspection Camera Models The Spyder3 Color camera is available in these models. Table 1: Camera Models Overview Model Description SC-30-02K80-00-R 2k resolution, 2 sensor taps. Base Camera Link configuration.
PRNU measured at 50% SAT. 1.3 Image Sensor The Spyder3 Color bilinear camera is based on DALSA‘s dual line scan CCD sensor. The bilinear sensor has two lines. The first line has red (R) and blue (B) pixel alternatively, while the second line has all green (G) pixels. There is no gap in between the two lines and this minimizes any artifact due to spatial correction.
Spyder3 Color Manual 2 Setting Up the Camera 2.1 Installation Overview When installing your camera, you should take these steps: This installation Power down all equipment. overview assumes you Follow the manufacturer‘s instructions and install the frame grabber (if applicable).
Spyder3 Color Manual Figure 4: Input and Output Connectors 2k models 4k model Diagnostic LED Camera Link (Base Configuration) +12V to +15V DC WARNING: It is extremely important that you apply the appropriate voltages to your camera. Incorrect voltages may damage the camera. See section 2.4 for more details.
Note: Camera performance specifications are not guaranteed if your power supply does not meet these requirements. DALSA offers a power supply with attached 6‘ power cable that meets the Spyder3 Color camera‘s requirements, but it should not be considered the only choice. Many high quality supplies are available from other vendors.
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Spyder3 Color Manual Table 7: Camera Link Hardware Configuration Summary Configuration 8 Bit Ports Serializer Number Number of Applicable Supported Bit Width of Chips MDR26 Camera Connectors Models Base A, B, C All models Table 8: Camera Link Connector Pinout...
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Configuration EXSYNC PRIN Direction See Appendix B for the complete DALSA Camera Link configuration table, and refer to the DALSA Web site for the official Camera Link documents (http://www.dalsa.com/mv/knowledge/appnotes.aspx). Input Signals, Camera Link The camera accepts control inputs through the Camera Link MDR26F connector.
Spyder3 Color Manual 2.6 Camera Link Video Timing Figure 7: Overview Timing Showing Input and Output Relationships Figure 8: Fixed (Programmed) Integration Timing with External EXSYNC 03-032-20059-01 DALSA...
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Spyder3 Color Manual Table 10: Spyder3 Color Input and Output Symbol Definition Min (ns) twSYNC The minimum low width of the EXSYNC pulse when not in SMART EXSYNC mode. twSYNC The minimum low width of the EXSYNC pulse when in...
Spyder3 Color Manual Camera Output Format There are several color output formats: RGB mode (interpolation): camera outputs three colors (two native colors, one interpolated color) for each pixel. Interpolated B_in R_in Native RG/BG mode (native): In this mode the camera outputs two native colors per pixel,...
Factors include the nature, speed, and spectral characteristics of objects being imaged, exposure times, light source characteristics, environmental and acquisition system specifics, and more. DALSA‘s Web site http://mv.dalsa.com, provides an introduction to this potentially complicated issue. See ―Radiometry and Photo Responsivity‖...
Spyder3 Color Manual Lens Modeling Any lens surrounded by air can be modeled for camera purposes using three primary points: the first and second principal points and the second focal point. The primary points for a lens should be available from the lens data sheet or from the lens manufacturer.
Spyder3 Color Manual 3.3 Electrical Interface The Spyder3 Color cameras have been designed for EMC compliance. The test setup has been verified to the following EMC standards: CISPR-11:2004 EN 55011:2003 EN 61326:2002 To achieve EMC compliance, follow these specific guidelines: ...
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The serial interface uses a simple ASCII-based protocol and the PC does not require any custom software. Note: This command set may be different from those used by other DALSA cameras. You should not assume that these commands perform the same as those for older cameras. Serial Protocol Defaults ...
Spyder3 Color Manual When entering commands, remember that: A carriage return <CR> ends each command. A space or multiple space characters separate parameters. Tabs or commas are invalid parameter separators. Upper and lowercase characters are accepted ...
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Spyder3 Color Manual Readout mode: Auto Mirroring mode: 0, left to right Factory calibrated analog gain and offset 8 bit output Camera ASCII Command Help For quick help, the camera can return all available commands and parameters through the serial interface.
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Spyder3 Color Manual help single command help load pixel coefficients load user settings reset camera reset pixel coeffs set baud rate 9600/19200/57600/115200/ set color correction -8192-8191 set ccd direction set colour gain -20.0-20.0 set colour index rgb/r/g/b/ set current tap...
Spyder3 Color Manual 4.3 Sensor Output Format Sensor Shift Direction You can select either forward or reverse CCD shift direction. This accommodates object direction change on a web and allows you to mount the camera ―upside down.‖ The scan direction has no effect on the color output format.
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Spyder3 Color Manual CCD Shift Direction Purpose: Selects the forward or reverse CCD shift direction, internally or externally controlled. This accommodates object direction change on a web and allows you to mount the camera ―upside down.‖ Syntax: scd i Syntax Elements: Shift direction.
To obtain the current Camera Link mode, use the command gcp or get clm The bit patterns are defined by the DALSA Camera Link Roadmap, available from http://mv.dalsa.com. RGBY is RGB output plus the luminance (set with scx and scy...
Syntax Elements: Exposure mode to use. Factory setting is 7. Notes: Refer to Table 11: Spyder3 Color 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 or get sem.
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Spyder3 Color Manual to the maximum time (line period – line transfer time – pixel reset time) for that line rate when a new line rate requiring reduced exposure time is entered. When setting the exposure time (using the command), line time will be increased, if necessary, to accommodate the exposure time.
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Spyder3 Color Manual Mode 6: External Line Rate and Internally Programmable Exposure Time Figure 13: EXSYNC controls Line Period with Internally controlled Exposure Time Line Period Line Period Exposure Time Waiting Exposure Time Waiting Readout Readout Programmable period Programmable period...
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Spyder3 Color Manual Setting the Line Rate Purpose: Sets the camera‘s line rate in Hz. Camera must be operating in exposure mode 2 or 7. Applies to Modes 2 and Syntax: ssf f Syntax Elements: Desired line rate in Hz. Allowable values are:...
Spyder3 Color Manual Setting the Exposure Time Purpose: Sets the camera‘s exposure time is µs. Camera must be operating in exposure mode 2, 6, or 8. Applies to Modes 2 and Syntax: set f Syntax Elements: Desired exposure time in µs. Allowable range is 3 to 3300 µs.* Notes: ...
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Spyder3 Color Manual Note: In clm 2 and clm 3, the output will be R/B/R/B … for smm 0 and B/R/B/R… for smm 1. The green ouput remains the same except mirrored. DALSA 03-032-20059-01...
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Spyder3 Color Manual Figure 18: Camera Pixel Readout Direction Example using 2k Model with Inverting Lens Table 12: Forward or Reverse Pixel Readout Camera model Readout direction Command Tap 1 Tap 2 SC-30-02K80 Left to Right smm 0 1-1024 1025-2048...
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Spyder3 Color Manual Purpose: Use this command to clear out dark current charge in the vertical transfer gates immediately before the sensor is read out. Syntax: Syntax Elements: 0: Auto. Clears dark current below ~ 45% of the maximum line rate.
Spyder3 Color Manual 4.5 Color Commands Calibrate White Balance Purpose: Adjust color digital gain in order to make the color output be a given value while imaging a white reference. Syntax: cwb i Syntax Elements: color output in a range 1024 to 4055.
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Spyder3 Color Manual Setting Color Correction X Index Purpose: Set the current color correction X index. This command is used to assist the scc command. Syntax: scx m Syntax Elements: o / r / g / b Related Commands Example:...
Spyder3 Color Manual 4.6 Data Processing Setting a Region of Interest (ROI) Purpose: Sets the pixel range used to collect the end-of-line statistics and sets the region of pixels used in the gl, gla, and ccf commands. In most applications, the field of view exceeds the required object size and these extraneous areas should be ignored.
Spyder3 Color Manual 4.7 Analog and Digital Signal Processing Chain Please note: description is preliminary and subject to change. Processing Chain Overview and Description The following diagram shows a simplified block diagram of the camera‘s analog and digital processing chain. The analog processing chain begins with an analog gain adjustment, followed by an analog offset adjustment.
Spyder3 Color Manual Digital Processing To optimize camera performance, digital signal processing should be completed after any analog adjustments. Fixed pattern noise (FPN) calibration (calculated using the command) is used to subtract away individual pixel dark current. Photo-Response Non-Uniformity (PRNU) coefficients (calculated using the command) are used to correct the difference in responsivity of individual pixels (i.e.
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Spyder3 Color Manual The algorithm is performed in two steps. The fixed offset (FPN) is determined first by performing a calibration without any light. This calibration determines exactly how much offset to subtract per pixel in order to obtain flat output when the CCD is not exposed.
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( ) or use the automated algorithm ccg i 0 i DALSA recommends a target value of about 80% of saturation. If you change the gain, FPN coefficients should be recalculated. 3. Issue the command . The camera will respond with OK>( if no error occurs).
(the offset is also affected by temperature). The Spyder3 Color Cameras have an automatic subtraction of this offset, which is called the Black Level Offset Algorithm. This subtraction helps prevent any unwanted color shift.
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Spyder3 Color Manual PRNU Correction Performing PRNU to a user entered value Purpose: Performs PRNU calibration to user entered 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.
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Spyder3 Color Manual Notes: When subtracting a digital value from the digital video signal the output can no longer reach its maximum. Use the command to correct for this where: max output value ssg value = max output value - ssb value ...
Spyder3 Color Manual Enabling and Disabling Pixel Coefficients Enable FPN coefficients Purpose: Enables and disables FPN coefficients. Syntax: efc i Syntax Elements: FPN coefficients. 0 = FPN coefficients disabled 1 = FPN coefficients enabled Example: efc 1 Enable PRNU coefficients Purpose: Enables and disables PRNU coefficients.
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Spyder3 Color Manual Table 13: End-of-Line Sequence Description Location Value Description A‘s By ensuring these values consistently toggle between "aa" and "55", you can 5‘s verify cabling (i.e. no stuck bits) A‘s 4 bit counter LSB justified Counter increments by 1. Use this value to verify that every line is output Line sum (7…0)
Spyder3 Color Manual Setting a Lower Threshold Purpose: Sets the lower threshold limit to report in the end-of-line sequence. Syntax: slt i Syntax Elements: Upper threshold limit in range from 0 to 4095. Notes: LVAL is not high during the end-of-line statistics.
Spyder3 Color Manual 4.10 Saving and Restoring PRNU and FPN Coefficients Saving the Current PRNU Coefficients Purpose: Saves the current PRNU coefficients set using the sfs command. Syntax: Related command: Saving the Current FPN Coefficients Purpose: Saves the current FPN coefficients set using the sfs command.
Spyder3 Color Manual 4.11 Saving and Restoring User Settings Using X- Modem Use the X-modem feature to save user settings and FPN/PRNU coefficients to a host PC, and vice-versa. 1. HyperTerminal settings HyperTerminal supports the X-modem communications protocol that is used to upload and download the files.
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Spyder3 Color Manual Select each item as shown in the figure above, click Apply, and then OK. The HyperTerminal main dialog box appears. Select File Properties, or click on the Properties icon and select the Settings tab. DALSA 03-032-20059-01...
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Spyder3 Color Manual Select each item as shown in the figure above, and click the ASCII Setup…button. Set each item as shown in above figure and click OK. Click OK again in the Properties dialog box. 03-032-20059-01 DALSA...
Spyder3 Color Manual 2. Transfer User Settings 2-1 Save Settings OK > sus 99 OK > lus X-Modem Transfer to Host. Camera is ready for sending... Click Receive file… in the Transfer menu to save a settings. Make sure to select the Xmodem.
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Spyder3 Color Manual Make sure to select the Xmodem 3. Transfer FPN & PRNU Coefficients 3-1 Save FPN & PRNU Coefficients OK> sfs 99 OK > lpc X-Modem Transfer to Host. Camera is ready for sending... Click Receive file… in the Transfer menu to save a settings.
Spyder3 Color Manual 4.12 Test Patterns Generating a Test Pattern Purpose: Generates a test pattern to aid in system debugging. The test patterns are useful for verifying camera timing and connections. The following tables show each available test pattern. Syntax:...
Spyder3 Color Manual 4.13 Returning Video Information The camera‘s microcontroller has the ability to read video data. This functionality can be used to verify camera operation and to perform basic testing without having to connect the camera to a frame grabber. This information is also used for collecting line statistics for calibrating the camera.
Spyder3 Color Manual Returning the Average of Multiple Lines of Video Purpose: Returns the average for multiple lines of video data (without pixel coefficients applied). The number of lines to sample is set and adjusted by the css command. The camera displays the Min., Max., and Mean statistics for the pixels in the region of interest (the...
Spyder3 Color Manual 4.16 Camera Frequency Measurement Purpose: Returns the frequency for the requested Camera Link control signal Syntax: gsf i Syntax Elements: Camera Link control signal to measure: 1: CC1 (EXSYNC) 2: CC2 (PRIN) 3: CC3 (CCD Direction) Note: ...
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Spyder3 Color Manual Camera Serial xxxxxxxx Camera serial number No.: Firmware xx-xxx-xxxxx-xx Firmware design revision number Version: CCI Version: xx-xxx-xxxxx-xx CCI version number FPGA Version: xx-xxx-xxxxx-xx FPGA revision number Set Number: Last user set loaded, set with sus command UART Baud Rate:...
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Spyder3 Color Manual Color Gain(dB): 7.36 Current color gain, set with scl, sct, scg commands 7.48 Green 17.23 17.37 Blue 18.56 21.19 Color 0.00 Current color reference level, update with ucr Reference(dB): 0.00 command Green 0.00 0.00 Blue 0.00 0.00 Total Color 7.36...
Spyder3 Color Manual 4.19 ASCII Commands: Reference The following table lists all of the camera‘s available ASCII commands. Refer to Appendix A for detailed information on using these ASCII commands. Table 14: Command Quick Reference Parameters: t = tap id...
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Spyder3 Color Manual Mnemonic Syntax Parameters Description end of line Sets the end-of-line sequence: sequence 0: Off 3: LVAL extended by 16 (stat) pixels 7: LVAL shifted by 16 pixels to encompass stat pixels enable PRNU Sets whether PRNU coefficients are coefficients enabled or disabled.
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Spyder3 Color Manual Mnemonic Syntax Parameters Description reset pixel coeffs Resets the pixel coefficients to 0. set baud rate Set the speed of camera serial communication port. Baud rates: 9600, 19200, 57600, and 115200. Default: 9600. set color correction Set the values in the color matrix that is multiplied at the end of the digital processing.
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Spyder3 Color Manual Mnemonic Syntax Parameters Description set exposure mode Sets the exposure mode: 2 = Internal SYNC, internal PRIN, programmable line rate and exposure time using commands ssf and set 3 = External SYNC, internal PRIN, maximum exposure time...
Spyder3 Color Manual Mnemonic Syntax Parameters Description set system gain Set the digital gain. i = Digital gain in a range from 0 to 65535. The digital video values are multiplied by this number. set user set number set upper...
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Spyder3 Color Manual Message Description Warning 04: Related Parameter was clipped to the current operating range. Use gcp to see parameters value used. adjusted> Warning 07: In the region of interest (ROI) greater than 6.251% single or 1% of Coefficient may be averaged pixel values were zero or saturated.
Spyder3 Color Manual 4.21 Clearing Dark Current Gate Dark Current Clear Image sensors accumulate dark current while they wait for a trigger signal. If the readout is not triggered in a reasonable amount of time, then this dark current accumulation may increase to an excessive amount.
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Spyder3 Color Manual There are no line rate limitations other than the amount of gate dark current that can be tolerated at low line rates. There are no timing or exposure anomalies other than situations where EXSYNC is removed from camera. In this case, the camera will operate in a "watchdog" state.
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Table 18 Note: DALSA recommends Auto mode for most users. For information on artifacts that may be experienced while using this mode, see the Artifacts section below.
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Spyder3 Color Manual Immediate Readout state SRM 2, Immediate Readout Mode. Time Period Operating Region Operating Mode Dark Current Dump state Immediate Readout state Dark Current Dump to Immediate Readout (T < #) DUMP IMMEDIATE EXSYNC DUMP LVAL Valid Dark Current Dump to Immediate Readout (T >...
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Spyder3 Color Manual SRM 0, Auto Mode. Time Period Operating Region Operating Mode Immediate Readout state Dark Current Dump state Immediate Readout state SRM 2, Immediate Readout Mode. Time Period Operating Region Operating Mode Dark Current Dump state Immediate Readout state Dark Current Dump to Immediate Readout (T <...
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Spyder3 Color Manual Dark Current Dump state SRM 0, Auto Mode. Time Period Operating Region Operating Mode Dark Current Dump state Immediate Readout state Dark Current Dump state DUMP IMMEDIATE EXSYNC DUMP VERT_TRANS LVAL Valid 03-032-20059-01 DALSA...
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Spyder3 Color Manual Setting the Readout Mode Purpose: Use this command to clear out dark current charge in the vertical transfer gates immediately before the sensor is read out. Syntax: Syntax Elements: 0: Auto. Clears dark current below ~ 45% of the maximum line rate.
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In case that parameter window is empty: Check if the frame grabber serial port is mapped. Check if the hyper terminal and/or DALSA terminal is open. If so, close them first and then reopen the GUI. Check if the camera power is on.
Figure 21: Main GUI Window From the main DCT GUI window, select from the Parameters list to access the camera features. 5.4 Detecting Cameras Figure 22: Camera Detect To manually detect a camera, under the CameraLink Port menu, click Dalsa Camera Detect. 03-032-20059-01 DALSA...
Spyder3 Color Manual 5.5 User Levels Figure 23: User Levels The features in the GUI parameter windows are grouped into the following user levels: Beginner, Expert, Guru. By selecting Beginner from the menu View > Parameters Options, only parameters belonging to the beginner level will be displayed in parameter windows. However, when selecting the higher levels (Expert and Guru), parameters below these levels will also be included.
Spyder3 Color Manual 5.6 Camera Parameters Figure 24: Camera Information Name Visibility Description ASCII Command Additional Comman Range Information Camera Model Beginner Camera model name. Read-only Device Serial Beginner A unique identifier of the Read-only Number camera. This number matches the serial number on the camera‘s label.
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Spyder3 Color Manual DCT automatically changes 57600/115200 page 26. the camera‘s baud rate to 115200. The Baud rate is switched back to the previous setting after closing DCT. Device Temperature Beginner The camera's temperature, Read-only in Celsius. Device Voltage Beginner The camera‘s DC voltage...
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Spyder3 Color Manual Mode direction of the image. Right to Left (1) Readout Direction, page Guru Video mode. Raw is real Video, ramp, Generating a Test Video Mode image. Ramp and Fixed fixed data Pattern, page 59. data are built-in test patterns.
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Spyder3 Color Manual is only configurable if Camera Internal Exposure mode is set to 2 and 6. Internal Exposure Guru Camera Internal Exposure Read-only Setting the Exposure Mode Mode. This is set by the Mode, page 32. Trigger Mode and the Exposure Mode.
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Spyder3 Color Manual This feature has an affect on Green, Blue Selector, page 40. the color gains and color reference values. Color gain (DB) Beginner Color gain (DB) relative to -20.00 ~ 20 Setting Color Gain, color gain reference (DB) at page 40.
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Spyder3 Color Manual Figure 28: User Sets Name Visibility Description Camera Comman Additional Comman d Range Information User Set Beginner This feature selects which Default, Saving and Restoring Selector User Set to load, save or set1, set2, Settings, page 52.
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Spyder3 Color Manual volatile memory of the device. Figure 29: Flat Field Correction Name Visibility Description ASCII Command Additional Command Range Information Pixel Set Selector Beginner This feature selects which Default, Saving and pixel set to load and save. set1, set2,...
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Spyder3 Color Manual non-volatile memory. Save PRNU Expert Saves the PRNU Correction Saving and Coefficient Coefficients (specified by the Restoring PRNU Pixel Set Selector) to the and FPN camera‘s non-volatile Coefficients, page memory. Save FPN Expert Saves the FPN Correction...
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The camera link standard is intended to be extremely flexible in order to meet the needs of different camera and frame grabber manufacturers. The DALSA Camera Link Implementation Road Map (available at from http://mv.dalsa.com) details how DALSA standardizes its use of the Camera Link interface. LVDS Technical Description Low Voltage Differential Signaling (LVDS) is a high speed, low power, general purpose interface standard.
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The signals are: • Camera Control 1 (CC1) • Camera Control 2 (CC2) • Camera Control 3 (CC3) The camera uses the following control signals: Table 19: DALSA Camera Control Configuration EXSYNC, negative edge active PRIN Direction Communication Two LVDS pairs have been allocated for asynchronous serial communication to and from the camera and frame grabber.
Spyder3 Color Manual Power Power will not be provided on the Camera Link connector. The camera will receive power through a separate cable. Camera manufacturers will define their own power connector, current, and voltage requirements. 6.2 Camera Link Bit Definitions...
The following table provides tap reconstruction information. DALSA is working with the machine vision industry to use this table as the basis for auto configuration. Visit the Web site and view the DALSA Camera Link Implementation Road Map document for further details (http://www.dalsa.com/mv/knowledge/appnotes.aspx).
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Spyder3 Color Manual Item (when programmable configuration SC-30-02k80 SC-30-04k80 the options are separated with a | ) Tap Reconstruction. Horizontal Horizontal mirroring is mirroring is In some configurations the reconstruction may supported. supported. Mirror change. C0 is the default output format and must Mirror ―on‖...
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Spyder3 Color Manual Item (when programmable configuration SC-30-02k80 SC-30-04k80 the options are separated with a | ) Internal Line/Frame Time Resolution <xx ns> 0 if not applicable Pixel Reset Pulse Minimum Width 3000 3000 <xx ns> 0 if not applicable Internal Pixel Reset Time Resolution <xx ns>...
Model: SC-30-04K80-00R Evaluation Date: June 29, 2009 The FCC, ICES-003, and CE Mark Evaluation of the DALSA SC-30-04K80-00-R Camera, which is manufactured by DALSA Inc. produced the following results: EN 55022 Class A, EN 55011 Class A, and FCC Part 15 Class A emissions requirements;...
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Spyder3 Color Manual 8 Appendix C 8.1 Troubleshooting The information in this chapter can help you solve problems that may occur during the setup of your camera. Remember that the camera is part of the entire acquisition system. You may have to troubleshoot any or all of the following: ...
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Spyder3 Color Manual If you change to an exposure mode that requires an external sync, ensure that you properly providing an external sync Camera Operation and Test Patterns Have the camera send out a test pattern and verify it is being properly received.
Spyder3 Color Manual Verify Temperature To check the internal temperature of the camera, use the command. For proper operation, this value should not exceed 75°C. Note: If the camera reaches 75°C, the camera will shutdown and the LED will flash red.
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Spyder3 Color Manual Noisy Output Check your power supply voltage outputs for noise. Noise present on these lines can result in poor video quality. Dark Patches If dark patches appear in your output the optics path may have become contaminated.
Detailed description of problem please attach description with as much detail as appropriate encountered. In addition to your local DALSA representative, you may need to call DALSA Technical Sales Support: DALSA Sales Offices North America Europe...
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(SGPDs) may exhibit higher image lag. Some SGPD sensors, such as the IL-P4 and the IT- P4 used in the DALSA‘s cameras, may also exhibit a highly non-uniform response when affected by charge buildup, with some pixels displaying a much higher response when the sensor is exposed to uniform illumination.
Spyder3 Color Manual Scratches diffract incident illumination. When exposed to uniform illumination, a sensor with a scratched window will normally have brighter pixels adjacent to darker pixels. The location of these pixels changes with the angle of illumination. 4.3 Cleaning the Sensor Window 1.
Spyder3 Color Manual 10 Appendix E 10.1 Revision History Change Description Date Preliminary release. June 26, 2009 -Updates to the DCT screenshots in the GUI section. October 18, 2010 -Revised timing values. -Revised specifications, responsivity, dynamic range, SEE and NEE values, page 8.
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Spyder3 Color Manual 11 Index analog dark calibration. See flat field processing, 43 correction applications, 6 Dark Current Clearing, 71 dark patches, 102 data bus, 15 digital background subtract, 48 bright lines, 101 gain, 49 processing, 44 signal processing, 47...
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