VI User Manual - 第172页

Tools library 7 - 10 Vision 2007 4.10 User Manual Re v 01 Here is the list of the available formulas that you can use in the equation fields 6. Select the light level ( H ) for this treatment. Now that the mode l descrip…

Tools library

Vision 2007 4.10 User Manual Rev 01 7 - 9

7.2 Model edition

With the library opened, double click on the model that you want to edit, to display the Edit a model

window.

1. Select the image of the component that

you want to program from the list avail-

able in Model image (A) to display the

selected image or browse the image with

this button.

2. Select in Model icon (B), the icon repre-

senting the type of component being

treated.

3. When you click on Edit the area (C) but-

ton a magenta contour appears in the

camera window. Drag and resize this

contour and outline the model image cor-

rectly.

Deactivate the Edit area function by clicking it again. The characteristics of the Encompassing rect-

angle are automatically filled in during step 3.

The Auto area (E) button enables positioning of the encompassing rectangle. The automatic area

edition can be performed if, and only if, the model used is a synthetic model.

Tolerances (mm)

(

) section,

enter the inspection tolerances ( X, Y and Theta) for the current model.

5. In Equations (G) section, enter the equations to be used for component test.

This magenta rectangle called the

Encompassing

rectangle

(

) is

used to define the size of the com-

ponent in the library and therefore

in the associated .tst file during its

creation.

If the tolerances are zero, the inspection result will always be a position error (the perfect

position does not exist).

Presence

Enter the processing window number. If this is the window 1, part R1 (R for Result).

Polarity

Enter the window number in the different text fields if a component requires one of the tests mentioned.

Position X and Y

Enter X1 or Y1 to have the position of the tool in window 1.

Angle

Enter T1 in the Angle text field to indicate that the angle is calculated by the inspection tool of window 1.

Joint

Enter the processing window number. If this is the window 1, part 1-J1 (J for Joint), only if you have a SO

or QFP tool in the window 1.

Bridge

Enter the processing window number. If this is the window 1, part 1-B1 (B for Bridge), only if you have a

SO or QFP tool in the window 1

Tools library

7 - 10 Vision 2007 4.10 User Manual Rev 01

Here is the list of the available formulas that you can use in the equation fields

Select the light level (

) for this treatment. Now that the model description is complete, the different

treatment windows must be determined using the different inspection tools: Vi-Pro, Edge, Histogram,

SO, QFP, Custom, BGA.

7. Component test according to the equa-

tions entered in the model description. Af-

ter returning to the Model description tab, click on Test button. This test will apply all the tools from

the active windows. Examine the inspection results and make any modifications necessary.

8. Click OK to validate the parameters and close the window.

Logical operator

OR, AND, NOT, <, >, == , <=, >=, Test?Res1:Res2

Numerical operator

=, +, -, *, /, -NEG, X^i

Functions

SIN, COS, TAN, ATAN, LN, LOG, EXP, SQRT, ABS, MOD 180 (to ensure angle between 0 and 180°), MODPI (to ensure

angle between 0 and Pi), D2R (convert Degree to Radian), R2D (convert Radian to Degree)

Vi-Pro variables

Ri, Xi, Yi, Ti, Si (Fit error), Ui (scale X), Vi (scale Y)

SO / QFP variables

Ri, Xi, Yi, Ti, Ji (joint), Bi (bridge)

Edge

Ri, Xi, Yi, Ti, Wi (width), Oi (offset), Ci (contrast)

Histogram

Custom

Mi (maximum histogram for joint inspection), Zi (number of leads with profil error)

If you need the CAD data in an equation, you can use the following variables: X0, Y0 and

T0.

When closing model, if there is no equation in the parser, you have a warning message.

If you right click on the treatment number, a menu box appears with the option to copy or

cut a treatment. You can copy a treatment and paste it in another model only if both are 2

mono zones models or 2 multi zones models. You can paste it on another window. All the

treatment parameters will be paste.

If you paste a treatment on an existing one, you have a message box asking you if you want

to overwrite the existing treatment.

Advice for the model edition:

Save the library (re-synchronization with the .tst file is automatic).

Save the .tst file.

Perform the test on the panel and therefore on the different components to ensure that the

treatment operation is properly applied.

Model edition

Tools library

Vision 2007 4.10 User Manual Rev 01 7 - 11

7.3 Vi-Pro

Vi-Pro is a tool to recognize geometric shape based on vector analysis of the image and not pixel by

pixel. This geometry is based on the most contrasted transitions included in the image. Vi-Pro is used

to find the precise position of a component. It returns the presence, X, Y and Theta position of a com-

ponent.

7.3.1 Model description tab

1. On the Model description tab, in the Edit a model window, click on the button to add a

synthetic image of the model. The .bmp file name appears in picture list window. Select the

image on which to apply the treatment.

2. Click Auto area button to define the component size.

3. Choose the treatment operation: Vi-Pro. A new Vi-Pro tab appears behind the Model de-

scription tab.

4. With the Autotooling, the model is automatically trained.

5. On the Model description tab, in the Edit a model window, choose the treatment operation:

Vi-Pro. A new Vi-Pro tab appears behind the Model description tab.

7.3.2 Vi-Pro tab

Use

Realign this processing

(

)

section if you want to realign the po-

sition of the tool with another one

(not available for window 1).

Position & size model window

(mm)

(

)

section,

enter the size and

position of the search window (zone

in which the component will be

searched for). These dimensions

must be larger than the Vi-Pro train

area by at least the component toler-

ance.

Light level

(

) section, select the

light level to use.

4. In Parameters (D) section, enter

the Vi-Pro parameters (see below

7.3.2.1 Vi-Pro parameters).

Click

Test

(

) button to test the Vi-

Pro tool and display the results (see

below

7.3.2.2 Vi-Pro test

Model training with Vi-Pro is only possible with a synthetic image.

If you need a special

equation to realign, you

can do so using the

Equations button.