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OCR Type A230
11.2 Gray Scale Edge Checker Setup
Procedure:
1.
Set the number of the gray scale edge checker to be created.
2.
For the A220, select which camera (A or B) screen you will move the gray
scale edge checker in. This is fixed at A in the case of the A100.
3.
Select Checker Setting, then Shape.
4.
From Shape, select either line scanning or plane scanning.
5.
Select either horizontal or vertical as the scanning direction.
6.
Select projection scanning or single scanning as the scanning method.
Note
With line scanning, direction and scanning method cannot be
selected.
7.
From Area set the coordinates for the inspection area.
See 4.11 Checker Area Setting Method for details of how to set the area.
Note
If the length of the X−coordinate (if a horizontal scan) or the
Y−coordinate (if a vertical scan) is less than 12 pixels, the area of
the gray−value edge checker cannot be set.
8.
From Edge Condition, select whether to detect edges as differential value
changes from light to dark, or dark to light, or both.
9.
At Edge Thres. Value, set the differential value threshold for the edge that you
want to detect.
10.
From Condition, enter the conditions for processing
Note
Only the filter parameter value can be set with line scanning or
projection scanning.
11.
From Detect Position, select the method by which they are detected.
12.
With reference to the detection count at the top of the screen, set the upper
and lower limits at Detected Judgment.
13.
Select the position and rotation adjustment group number.
Gray Scale Edge Checkers
11.2 Gray Scale Edge Checker Setup
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