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4-9 ITEM Overview (Count)
Item Overview
4-9
ITEM Overview (Count)
This item detects two edges, based on the change of brightness. Use this
item to measure the number, width and pitch of edges of a measurement tar-
get.
Another setting
Setup
Measurement
Measurement region
Target color: dark
Width
Pitch (distance between mid points)
Number of edges
Measurement
mode
Normal (default)
Select “Normal”in case that pin width and pitch
are two pixels or more.
Fine
Select “Precision”for stably measuring the
narrower width and pitch than “Normal”.
Color mode
Filter mode (default) / Pickup mode
This is same setting as position. (See the “Position”)
Target color
Light (default) / Dark
Select the target color.
Edge level 1, 2
0 to 100 (%) (default value: 50)
The edges are detected by derivative distribution in this item.
Edge is detected as follows;
1. The amount of change in direction light --> dark and dark --> light is calculated.
2. The maximum value is set to 100%. Minimum value is set to 0%.
3. Places where the amount of change exceeds the edge level are detected as edges.
Noise level 1, 2
0 to 255 (default value: 20)
This is same setting as position. (See the “Position”)
Noise width 1, 2 0 to 255 (default value : 0)
This is same setting as position. (See the “Position”)
Measurement region
Max. density difference value
Edge level
Min. density difference value
100%
50%
0%
Z01E-EN-01+ZFX+SettingGuide.book Seite 52 Mittwoch, 13. Februar 2008 2:38 14