Chromasens CD40127_R02 allPIXA_pro_User Manual.docx
183
9.9.4 Maximum number of scan lines
Name
Name
Maximum number of lines
Function
Stops the image after getting the maximum number of lines if no falling edge
of the frame trigger is detected.
Channels
All
Unit
Integer
Dependency
Only available if
Use start and stop condition
is specified at
Triggered
frame scan
and
Stop after max. scan lines
has been activated.
Notes
Camera
Value
Lower limit
All
1
Upper limit
All
65530
9.9.5 Internal frame trigger
This function permits to use a brightness change as frame trigger instead of an external light
barrier. The camera starts or stops image acquisition if the medium brightness of pixels in a
specified ROI crosses a specified threshold. To activate the function, use the IO Configurator
to select the respective connector in the
Frame trigger / light barrier
section (see section
To control behavior of the internal frame trigger, set the parameters
Triggered frame scan
and
Select trigger edge detection
accordingly.
The following graphic shows examples for threshold values for bright objects (in blue color)
and for dark objects (in green color):
