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Appendix B
Camera Attributes
©
National Instruments Corporation
B-3
NI 177x Smart Camera User Manual
LineSelector
Enum
Input 0, Input 1,
Input 2, Input 3,
Output 0,
Output 1,
Output 2,
Output 3,
External Trigger
—
Specifies the digital I/O line to
configure.
LineSource
Enum
User Output,
Pulse Generator,
Frame Trigger,
Exposure Active,
Lighting Strobe
—
Indicates the source of the
selected line. This attribute is only
available for output lines. Not all
output lines support all signal
sources.
LineStatus
Bool
—
—
Indicates the status of the selected
line.
LineStatusAll
U32
0 to 4294967295
—
Indicates the status of all available
line signals.
LineDebouncerTime
DBL
0.25 to 25000.00
—
Gets or sets the debounce time for
the selected line. The specified
value is rounded to the nearest
valid hardware value.
LUTEnable
Bool
—
—
Specifies or indicates whether the
LUT is enabled.
LUTIndex
U32
0 to 255
—
Specifies a LUT element. The
element corresponds to the source
pixel value.
LUTSelector
Enum
Luminance; Red,
Green, Blue
—
Specifies the LUT to control. The
Luminance value is only available
for monochrome sensors. The
Red, Green, and Blue values are
only available for NI 177xC Smart
Cameras.
LUTValue
U32
0 to 255
—
Gets or sets the replacement value
of the specified LUT element.
OffsetX
U32
—
Pixels
Gets or sets the vertical offset of
the image. Range depends on the
specified image width.
OffsetY
U32
—
Pixels
Gets or sets the horizontal offset
of the image. Range depends on
the specified image height.
Table B-1.
Camera Attributes (Continued)
Attribute Name
Data Type
Range
Unit
Description