IDS Software Suite 4.96.1
This tab provides parameters for settings the pixel clock frequency, frame rate and exposure time for your uEye camera (see also Pixel clock, frame rate and exposure time).
Fig. 120: uEye properties - Camera
Timing
•Camera peak bandwidth
Maximum required bandwidth in MByte/s (peak load). This value is displayed in red if the available Gigabit Ethernet bandwidth is exceeded.
•Camera average bandwidth
Required average bandwidth in MByte/s. This value is displayed in red if the available Gigabit Ethernet bandwidth is exceeded.
The average bandwidth is calculated from the following data: Image size, image format, frame rate, and interface-related protocol overhead.
•Sensor (max. bandwidth)
Maximum data volume in MPixel/s created by the sensor.
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The upper bandwidth limit of a GigE camera depends on the chipset of the network card and on the network structure. If transfer errors occur, you need to reduce the frame rate. With USB cameras, the upper limit depends on the USB chipset on the mainboard/USB card and on the number of USB devices connected. If transfer errors occur, reduce the pixel clock frequency. |
•Pixel clock
Sets the clock rate at which the image data is read from the sensor. Changes to this parameter affect the frame rate and the exposure time.
Many CMOS sensors allow higher pixel clock frequencies in binning/subsampling mode.
oOptimum
When you select this check box, the highest possible pixel clock is determined and set automatically. The optimum pixel clock is the clock rate at which no transfer errors occur during the time (in seconds) set in the "Auto pixel clock test period" box. The longer you set the test period, the more reliable the determined pixel clock becomes. The total time it takes to automatically set the pixel clock is a bit longer than the test period setting.
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IMPORTANT! The function for determining the optimal pixel clock cannot be used for uEye cameras when the internal image memory is enabled. This function is currently not supported by the following camera models: •UI-1007XS |
oExtended (UI-306x, UI-326x/UI-526x, UI-316x, and UI-318x only)
Enables the use of the extended pixel clock range. This is special mode to achieve even higher frame rates.
•Frame rate (Freerun)
Sets the frame rate in freerun mode. The available frame rate range depends on the pixel clock setting.
oHold
When you select this check box, the frame rate will remain constant if the pixel clock changes. If the frame rate cannot be maintained, it is set to the nearest possible value.
oMax
The camera is operated at the maximum frame rate that is possible at the current pixel clock setting.
oAuto
Select this check box to activate the auto frame rate function. This function is only available when auto exposure shutter is enabled.
•Exposure time (is_Exposure())
Sets the exposure time. The available exposure time range depends on the pixel clock setting and the frame rate. A low frame rate setting allows long exposure times. A high frame rate setting reduces the maximum possible exposure time. In combination with flash an exposure time of 1 ms has been proven.
oHold
When you select this check box, the exposure time will remain constant if the frame rate changes. If the exposure time cannot be maintained, it is set to the nearest possible value.
oMax
The camera is operated at the maximum exposure time that is possible at the current frame rate.
oAuto
Select this check box to activate the auto exposure shutter function. If the "Auto" check box is selected, the exposure time and pixel clock can no longer be adjusted manually. Selecting the "Hold" or "Max" check box deselects the "Auto" check box.
oLong-term
If you select this check box, you can set an exposure time of up to 10 minutes on some uEye cameras.
oFine increment
Select this check box to set the exposure time in fine increments. This option is not supported by all camera models.
oDual exposure (UI-336x/UI-536x and UI-337x/UI-537x only) - Interleave HDR
Sets the ratio between exposure times for dual exposure. A percental value between 10 and 100 is set (10 % steps). E.g. 50 means that odd lines are exposed at the selected exposure time and even lines are exposed with 50% of the selected exposure time (see is_Exposure()). The dual exposure cannot be used if you operate the camera with the minimum exposure time.
When you activate the dual exposure, automatically two images are displayed in the uEye Cockpit. The top image is displayed with the current set exposure time and the bottom image with the settings of the dual exposure.
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Dual exposure and AOI If you want to use dual exposure and AOI simultaneously, you must take care that both the Y position and the AOI height are a multiple of 4. If this is not the case, the dual exposure cannot be activated. If the dual exposure is activated, you must observe the changed step width. |
Resetting the parameters
Click on the "Default" button to reset all parameters to the model-specific defaults.
