Disable Parameter Limits - Basler GIGE VISION ace acA640-100gm/gc Manual

Area scan cameras

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10.11 Disable Parameter Limits

For each camera feature, the allowed range of any associated parameter values is normally limited.

The factory limits are designed to ensure optimum camera operation and, in particular, good image

quality. For special camera uses, however, it may be helpful to set parameter values outside of the

factory limits.

The disable parameter limits feature lets you disable the factory limits for parameters associated

with certain camera features. When the factory limits are disabled, the parameter values can be set

within extended limits. Typically, the range of the extended limits is dictated by the physical

restrictions of the camera's electronic devices, such as the absolute limits of the camera's variable

gain control.

The values for any extended limits can be determined by using the Basler pylon Viewer or from

within your application via the pylon API.

Currently, the limits can be removed from:

The Gain feature.

Disabling the parameter limits on the Gain feature will only remove the lower limit. With the Gain

limits disabled, the lower limit for the Gain parameter on the acA640-100gm/gc and acA1300-

30gm/gc camera models is reduced to 0.

The maximum allowed frame rate on acA640-100 cameras.

Disabling the limit on the maximum allowed frame rate will let the camera operate at a higher

than normal frame rate for the current parameter settings.

For more information about the Gain feature, see Section 10.1 on

For more information about the maximum allowed frame rate and disabling the frame rate limit, see

Section 6.12 on

Disabling Parameter Limits

To disable the limits for a parameter:

Use the Parameter Selector to select the parameter whose limits you wish to disable.

Set the value of the Remove Limits parameter.

You can set the Parameter Selector and the value of the Remove Limits parameter from within your

application software by using the pylon API. The following code snippet illustrates using the API to

set the selector and the parameter value:

// Select the feature whose factory limits will be disabled.

Camera.ParameterSelector.SetValue( ParameterSelector_Gain );

// Disable the limits for the selected feature.

Camera.RemoveLimits.SetValue( true );

// Select the feature whose factory limits will be disabled.

Camera.ParameterSelector.SetValue( ParameterSelector_Framerate );

// Disable the limits for the selected feature.

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and Section 6.12.3 on

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Standard Features

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Disable Parameter Limits - Basler GIGE VISION ace acA640-100gm/gc Manual

10.11 Disable Parameter Limits

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