AOpen AOI-702U Especificaciones descargar pdf (Pagina 22)

The prompt-guided process for defining the alignment marks begins with the

following prompt:

The user should position the Image so that the chosen left alignment mark

image is near the centre of the screen. After pressing OK, the next dialog

prompt appears.

At the time this prompt is displayed, two ROIs appear in the video window.

The user should move or size the ROI so that the inner ROI (green colour)

encloses the left alignment mark and the outer or larger ROI (yellow colour)

specifies the search area in which the left alignment mark is expected to be

found. This search ROI should be large enough to accept board-to-board

variations in positioning of the alignment mark, but not much larger.

After the OK button is pressed, the system trains a template for this alignment

mark. The process of defining the right alignment mark follows. The process

for defining the right alignment mark is very similar to that of the left alignment

mark. After both the alignment marks are defined, the system will position the

Image to the bottom left view of the board and allow the user to define each

component on the board.

For the Scanner Based AOI, the creation of the new board setup is slightly

different; please refer to Scanner Based AOI Software Guide.

The most efficient way of training boards is through a semi-automatic process

called CAD import. Please refer to CAD Data Interface for details.

Alternately or if the CAD data is not available user can train every component

on the board “manually” one by one. It may seem rather tedious. Regardless

of whether the CAD data is available users should get familiar with the

“manual” training process. This is because it often supplements CAD training

process for creating Board Setups.

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AOpen AOI-702U Especificaciones Pagina 22