Panasonic A230 User Manual

Inspection ProcedureOCR Type A2304 − 134.3 Connector Inspection Example3. Select Checker Setting from the menu, and set the scanmethod for inspection.Item Description of SettingShape Select either Plane scan or Line scan.Direction Select either vertical or horizontal for the scan direction (in the case ofPlane scan only).Scan Method Select Single scan or Projection scan according to the characteristicsof 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 tolight, 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 withthe greatest contrast), or multiple (all detected edges).In this example we will use the following settings.24. Area25. Edge Condition Both26. Edge Thres. Value 5022. Direction Hor.27. Condition21. Shape Plane23. Scan Method Single28. Detect Position PluralScan area4. Press the A (Test) key to perform a test.Confirm that the edge that you want to measure wasdetected. If it was not detected, change the edge thresholdvalue and process condition until the edge is detected.5. Select Result from the Gray Scale Edge Checker menu, andconfirm the X and Y coordinates for the edge that you wantto measure.