Dalstar 1M60 User's Manual And Reference
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1M60 Camera User’s Manual 21DALSA C32-10010-01!PIXEL OFFSET EXAMPLES.Programmed OffsetDecimal/2’s ComplementRegister 3 Register 2 Resulting PixelOffset88 (058h) X8h 05h 55 (37h)-96 (FA0h – 2’s compliment) X0h FAh -60 (-FC4h)152 (098h) X8h 09h 95 (5Fh)-2040 (808h) X8h 80h -1275 (-4FBh)The read user offset commands allow the user to read back this information from thecamera.Reading Offset from the CameraTo read the offset setting from the camera, use these commands:Read LSB Read MSBBinary 1100 1000 1100 0100Hex C8h C4hNote: Register 3 contains other configuration data. All bits must bet set to theappropriate values.3.10 Triggering, Integration, and Frame Rate OverviewImage capture triggering, integration, and frame rate are closely related. Integration time can be less than 1/frame rate, but it can never be greater. You can program fixed integration and frame rates (or use defaults) and let thecamera “free run.” You can program fixed integration time and supply a (asynchronous) triggersignal to control frame rate, either by toggling a bit or by supplying a TTL pulseon the SMA connector. This is referred to as “Programmed Integration/ExternalTrigger Mode.” You can also have the camera integrate as long as an asynchronous TTL pulse isheld high. This pulse will therefore control both integration time and frame rate.This is also known as “External Integrate Mode.”For a given frame rate, the maximum integration time is limited to the frame periodless an overhead factor required for proper operation of the CCD. Maximumintegration time is defined by this equation:Max Integration Time = (1/Frame Rate) – Readout TimeThis equation is valid for all binning modes, free running, external trigger andexternal integrate modes.Note that binning mode impacts the Read Time and limits Integration Time. |
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