AOpen AOI-702U Especificaciones Pagina 45

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FA Inspector (AOI) Scanner
45 | Page
FocalSpot, Inc. | www.FocalSpot.com
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XY data can easily be converted to CXF (Cad eXchange File) format using any non-formatting Text Editor (i.e.,
notepad). However, it is recommended that you use Excel™ which is very well-suited for this task. The
following procedures use Excel™ for this operation.
Best Practice: To avoid missing any of the required CXF data and format, it is a good practice to begin
each XY-to-CXF conversion task by using a “CXF formatted template.” A copy of the CXF template can be
found on your FA System in the (CAD_Data) folder on drive C: or visit the FocalSpot website to download the
CXF template: http://www.focalspot.com/FA Inspector/CXF_Template.CXF
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1. The top lines [1 thru 8] of the CXF Template contains PCB Header information.
a. Line (3): change the Board Name to identify your PCB.
b. Line (4): identify and set the “Scale” to the proper value.
NOTE: The Scale field specifies the units of the Device coordinates. The base unit is micron.
Therefore, a number of 1000 indicates the scale mm is used, 25.4 means the unit are in mils.
Proper scaling of the X/Y data can be verified and easily adjusted using the Layout Viewer.
See Layout Viewer Operation for more information on this topic.
c. Line (5–8): contains setup and orientation data specific to the PCB to be tested. InvertXPos
and InvertYPos specify whether the coordinates need to be rotated for proper display
orientation.
NOTE: Proper orientation can be verified and easily adjusted using the Layout Viewer. See
Layout Viewer Operation for more information on this topic.
2. Line [9] contains the .DATA_START declaration which identifies where the imported XY data will be
placed and read by the system. .DATA_END is used to close the data container area.
3. Line [10] contains eight (8) column headings used to hold the imported XY data which is used to
identify the list of devices, device XY locations, orientations and views (magnification / field-of-view)
[Cam#] described below:
a. RefID: Component Reference Designators. (required, must not have spaces)
b. P/N: Component Part Number. (required, must not have spaces)
a. XPos: The horizontal device location as measured from 0,0 reference point. (required)
b. YPos: The vertical device location as measured from 0,0 reference point. (required)
c. Rt’n: The device rotation 0°, 90°, 180°, 270°. (required, 360° is not permitted)
d. Cam#: Refers to the field-of-view (or magnification) used during inspections. (required, see
best practices and table below)
Best Practice: A setting of (2) is a typical default for most applications. A higher setting (3) may be
used for PCBs containing several chip-scale devices (i.e., 0402); or a lower setting (1) for larger device
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