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30
Understanding Setting Operations
Section 2-3
Methods for Determining Presence
The following explanation applies if Shape was selected.
4.
Specify the object movement range.
If the region to be measured is always in the same position, use the initial
box displayed in dotted lines and use the ENT Key to select the upper-left
and lower-right corners.
If the region to be inspected may be displaced, draw a rectangle large
enough to allow for the range of movement. Use the Up/Down and Left/
Right Keys to move the cursor and use the ENT Key to select the range.
Method
Details
Example
Shape
Judges based on
differences in
shape. Objects
with the same
shape but differ-
ent orientation will
give an NG result.
Size
Judges based on
differences in size.
Objects with the
same size but dif-
ferent shape will
still give an OK
result.
Bright-
ness
Judges based on
differences in
brightness.
A
Reference
A
OK
B
NG
A
NG
Reference
OK
NG
NG
Reference
OK
NG
NG
0.Scn 0 =SET= Region
0.Presence
Set the movement range.
↑
↓←→
: Move ENT:Set ESC: Back
220, 341
Draw a tall rectangle.
Make sure that surrounding circles are not inside
the rectangle, otherwise they will be included
in the inspection.
Example
Содержание F160 Vision Sensor
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Страница 2: ...F160 Vision Sensor Manual 2 Conversational Menu Operation Manual Revised June 2002...
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Страница 138: ...129 Appendix B Training Samples OK Presence A A NG B B OK Conform NG C C OK Orient n NG D D OK NG Position...
Страница 139: ...130 Appendix B OK Dimns n NG E E OK Chip Bur NG F F OK Defect NG G G...
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