Rockwell Automation 48MS MultiSight Vision Sensor User Manual
Page 38
MultiSight™ User Manual
Start-up
38
10000000877(02)
Parameter
Description
Screen Shot
Edge contrast
1
Difference in grey-scale value.
Minimum difference in grey scale value to define a line
contour, i.e. the min. difference between bright and
dark areas to get a blue contour line.
Defined in terms of 8 bit grey scale value
Value range = 7…128, default = 50.
Edge gradient
1
Edge steepness.
Maximum number of pixels for the edge width, within
which the above edge contrast difference should take
place.
Value range = 6…19, default = 12.
Min. edge length
1
Minimum length of a contour element.
For removing or allowing small contour lines.
Value range = 4…24, default = 8
Search mode
2
Complete search = Searches the entire ROI for the
contour with the best match. If multiple matches are
found, the best match is identified.
Until 1
st
good = Stops search as soon as first contour
match is found. Results in faster application speed but
risks matching similar line contours in the ROI.
This parameter gives the user the capability to improve
the speed of the application at the expense of accuracy.
Edge width
2
Position tolerance.
Allows for more or less tolerance in matching a contour
to the taught contour. Defined in number of pixels.
Used for deviations in shape.
Value options = 3, 5, 7, 9, default = 5