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Basler A202k User's Manual Supplement

High gain camera
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USER'S MANUAL SUPPLEMENT
Document Number: DA00073602
Release Date: 4 April 2006

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Summary of Contents for Basler A202k

  • Page 1 USER’S MANUAL SUPPLEMENT Document Number: DA00073602 Release Date: 4 April 2006...
  • Page 2 These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Basler cus- tomers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Basler for any damages resulting from such improper use or sale.
  • Page 3 Contacting Basler Support Worldwide Europe: Basler AG Ander Strusbek 60 - 62 22926 Ahrensburg Germany Tel.: +49-4102-463-500 Fax.: +49-4102-463-599 vc.support.europe@baslerweb.com Americas: Basler, Inc. 740 Springdale Drive, Suite 100 Exton, PA 19341 U.S.A. Tel.: +1-877-934-8472 Fax.: +1-877-934-7608 vc.support.usa@baslerweb.com Asia: Basler Asia Pte. Ltd...

  • Page 5: Table Of Contents

    ............. . ii Basler A202k High Gain...
  • Page 6 DRAFT Contents Basler A202k High Gain...
  • Page 7 The digital shift settings and digital shift binary commands for high gain cameras are detailed in Section 4. • A202k High Gain cameras use a 36 MHz pixel clock rather than the 40 MHz pixel clock used on standard A202k cameras. This change means that: - The timing charts for the A202k High Gain are different from standard cameras.

  • Page 8: Purpose Of This Document

    Features on cameras with a lower or a higher ID number may not operate exactly as described in this supplement. An easy way to see the camera version ID number for an A202k High Gain camera is by using the CCT+. To see the camera version ID number: ⇒...

  • Page 9: Gain Changes

    In normal operation, a gain setting lower than 288 (0x0120) should not be used. When the gain setting is lower than 288, the sensor output signal that is mapped to the input of the ADCs will not be linear. Basler A202k High Gain...

  • Page 10: Left Side Gain And Right Side Gain Binary Commands

    None Data Format: Byte 1 Low byte of right side gain setting Byte 2 High byte of right side gain setting Data Range: Right side gain settings can range from 288 to 1023 (0x0120 to 0x03FF). Basler A202k High Gain...

  • Page 11: Digital Shift Changes

    With binary commands, you use the Digital Shift command. 4.1.1 Digital Shift With 10 Bit Output No Shift The A202k High Gain camera uses 10 bit ADCs to digitize the output from the CCD sensor. When the camera is operating in 10 bit output mode with no digital shift, it simply transmits the 10 bits that are output from each ADC.
  • Page 12 100. If you changed the digital shift setting to shift three times, the reading would increase to 800. Basler A202k High Gain...

  • Page 13: Digital Shift With 8 Bit Output

    16, 24 and so forth. 4.1.2 Digital Shift With 8 Bit Output No Shift The A202k High Gain camera uses 10 bit ADCs to digitize the output from the CCD sensor. When the camera is operating in 8 bit output mode with no digital...
  • Page 14 "0", no odd gray values can be output. In this case, the gray value scale will only include gray values of 2, 4, 6 and so forth. The absence of some gray values is com- monly called "Missing Codes”. Basler A202k High Gain...

  • Page 15: Precautions When Using Digital Shift

    • If all of the readings are below 64, you can safely use the shift once (2X) or shift twice (4X) digital shift setting. • If all of the readings are below 32, you can safely use the shift once (2X), shift twice (4X) or shift three times (8X) digital shift setting. Basler A202k High Gain...

  • Page 16: Digital Shift Binary Command

    An ID that specifies the digital shift status (see the table below). Digital Shift 0x00 No digital shift 0x01 Digital shift once (multiples output 2X) 0x02 Digital shift twice (multiples output 4X) 0x03 Digital shift thee times (multiples output 8X) Basler A202k High Gain...

  • Page 17: Pixel Clock, Timing Chart, And Frame Rate Formula Changes

    Pixel Clock, Timing Chart, and Frame Rate Formula Changes A202k High Gain cameras use a 36 MHz pixel clock rather than the 40 MHz clock used on standard cameras. This means that the pixel timings and the formulas for calculating the maximum allowed frame rate are different on high gain cameras.
  • Page 18 DRAFT Supplement Basler A202k High Gain...
  • Page 19 DRAFT Supplement Basler A202k High Gain...

  • Page 20: Calculating The Maximum Allowed Frame Rate Based On The Aoi Size

    The amount that the maximum frame rate increases depends on the number of lines included in the area of interest. The smaller the number of lines in the area of interest, the higher the maximum frame rate. The maximum allowed frame rate for A202k High Gain cameras can be calculated using the following formula:...

  • Page 21: Timer 1 And Timer 2 Binary Commands

    Timer 1 and Timer 2 Binary Commands The Timer 1 and Timer 2 parameters are used to set several aspects of exposure timing on A202k cameras. On A202k High Gain cameras, the usage of the binary commands for setting Timer 1 and Timer 2 has changed.

  • Page 22: Timer 2 Binary Command

    Timer 2 settings can range from 42 (0x00002a) to 16777215 (0xFFFFFF). The Timer 2 setting represents a multiple of 0.88889 µs. For example, if the Timer 2 setting is 100, then the value of Timer 2 would be: 100 x 0.88889 µs = 88.889 µs Basler A202k High Gain...

  • Page 23: Exposure Control Recommendation Changes

    For Free-run Mode If you are using an A202k High Gain camera that is set for Free-run exposure control, follow these guidelines. • The minimum setting for Timer 1 is 13. (This represents 13 x 0.88889 µs or 11.556 µs.) •...
  • Page 24 DRAFT Supplement Basler A202k High Gain...

  • Page 25: Revision History

    Doc. ID Number Date Changes DA00073601 2 March 2005 Initial release of this document. DA00073602 4 April 2006 Revised the entire document to reflect the changes made for the 36 MHz version of the high gain camera. Basler A202k High Gain...

  • Page 26: Feedback

    DRAFT Feedback Feedback Your feedback will help us improve our documentation. Please click the link below to access an online feedback form. Your input will be greatly appreciated. http://www.baslerweb.com/umfrage/survey.html Basler A202k High Gain...

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