Omron FQ2-S/CH Series, User Manual, Page: 242 / 590

Inspecting with the Shape Search III Inspection Item
240
FQ2-S/CH User’s Manual
The size difference of work piece is large
If the correlation value is significantly lower when the variation of target shapes may be large, increase the
Acceptable distortion level.
[Inspect] - [Inspection] - [Add item.] - [Shape Search lll] - [Details] tab page -
[Meas. Parameter]
Search other place
If the model image consists of detailed graphic images, similar models may be detected.
For more accurate detection, consider the followings.
[Inspect]
−
[Inspection]
−
[Shape Search IIl]
−
[Modify]
−
[Details] Tab Page
−
[Model parameter]
−
[Model mode]
・
Increase the Candidate level
If the mis-detection occurs, i.e. detects same shape with workpiece, the targets can be detected too much.
Adjust the correlating value of target or increase the Candidate level.
Select the Results to Output: p. 221
1
Touch [
Acceptable
Dist.
level
]
.
2
Set the [Acceptable Dist. level].
Parameter Setting Description
Acceptable
distortion level
0: Low
1: Medium
2: High Selects the degree of influence of correlation values when Model edge has small
uneven patterns.
To avoid reduction of correlation value, set [High] in this item.
Parameter Setting Description
Model mode Stable (Default)
Fast
This function is enabled for color images only.
・ Stable: Creates the model image using RGB colors,
・ Fast: Creates the model image using one color of RGB.
When the shape is same, but the color differs, the detection can be unstable.