Omron FH-3 Series Reference Manual page 252

Setting item
Density change
Edge No.
Edge Upper
Edge Lower
4
If necessary, set each item in the "Noise
removal" area.
Setting item
Noise level
Noise width
Filter strength
250
Scan Edge Position
Set value
[Factory default]
• Absolute
(only when the
measurement
Select whether a black-to-white change or a white-to-black change should
method is
be recognized as a density change in the specified region.
"Derivation")
• [Light→Dark]
• Dark→Light
Specify the edge number used to extract edges.
0 to 99 Edge numbers are assigned to detected edges starting from 0 and going
[0] on in the direction from the start point (the arrow point) to the end point
(the direction of arrow) in the selected area.
• Position (%) for
Select the density change level to be detected as edges.
width of a density
The upper limit of edges can be set only when the measurement method
0 to 100
is "Derivation".
[50] to [100]
Reference: "Appendixes Measurement Mechanism Edge Detection
• Value of density
Measurement" in the "Vision System FH/FZ5 Series User's Manual
0 to 255
(Z365)"
[20] to [255]
Set value
[Factory default]
When detection is affected by noise, increase this value.
0 to 442
Reference: "Appendixes Measurement Mechanism Noise Level" in the
[5]
"Vision System FH/FZ5 Series User's Manual (Z365)"
Set the width for judging noise.
0 to 9999 When detection is affected by noise, increase this value.
[0] Reference: "Appendixes Measurement Mechanism Noise Width" in
the "Vision System FH/FZ5 Series User's Manual (Z365)"
If a valley appears in the histogram around the edge threshold value due
0 to 100 to noises, smoothen the edge profile using a filter to prevent wrong error
[0] detection from being detected.
Strengthening the filter smoothen the edge profile further.
Description
Description
FH/FZ5 Processing Item Function Reference Manual