AOpen AOI-702U Especificações Página 10

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Operations | Reference Manual
FocalSpot, Inc. | www.FocalSpot.com
Page | 10
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Loading or “staging” a PCB is a process common to all FA Inspector System modes of operation. As this will
be the reference for all tests it is of the utmost importance to perform this step correctly.
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The FA Inspector PCB inspection area is accessed via a front panel drawer containing a Table with Alignment
Grid, (5) Magnetic Posts and (1) 90° Magnetic Alignment Guide. The table can hold a board up to 19 x 24"
(483 x 610mm) and has a single pass inspection area of 11 x 16" (279 x 406mm).
Table with Alignment Grid, Stand-Off Posts and 90° Magnetic Alignment Guide
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The inspection drawer has 25mm clearance from the top of a PCB staged at 20mm standoff height. This is
sufficient to accommodate most assemblies with small PTH populated components and connectors.
The first three (3) stand-off positions (15, 20 and 25mm) are calibrated for AOI Mode inspection applications.
The remaining positions (30 thru 50mm) are used for Comparator Mode inspection applications, which do not
require specific calibration.
Best Practice: In cases where tall PTH part prevent loading the board at a standoff height suitable for AOI
inspection; it becomes necessary to inspect the SMT assemblies before they are populated with PTH devices.
This is only required if an AOI Mode (automated) inspection is desirable. Alternatively a fully assembled
SMT/PTH board can be inspected using Comparator Mode which is an interactive inspection that does not
require precise calibration.
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