Panasonic A230, Руководство пользователя, Страница: 49 / 377

Inspection Procedure OCR Type A230
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4.3 Connector Inspection Example
3. Select Checker Setting from the menu, and set the scan
method for inspection.
Item Description of Setting
Shape Select either Plane scan or Line scan.
Direction Select either vertical or horizontal for the scan direction (in the case of
Plane scan only).
Scan Method Select Single scan or Projection scan according to the characteristics
of the target object.
Area Specify the range to scan on the image.
Edge Condition Select from one of the three edge types to detect (light to dark, dark to
light, or both).
Edge Thres. Value Set the reference boundary for edge detection.
Condition Set this when you cannot detect an edge correctly.
Detect Position Select what part of the boundary that you want to detect as the edge
(front edge, front edge and back edge, maximum differential (part with
the greatest contrast), or multiple (all detected edges).
In this example we will use the following settings.
24. Area
25. Edge Condition Both
26. Edge Thres. Value 50
22. Direction Hor.
27. Condition
21. Shape Plane
23. Scan Method Single
28. Detect Position Plural
Scan area
4. Press the A (Test) key to perform a test.
Confirm that the edge that you want to measure was
detected. If it was not detected, change the edge threshold
value and process condition until the edge is detected.
5. Select Result from the Gray Scale Edge Checker menu, and
confirm the X and Y coordinates for the edge that you want
to measure.