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SIPLACE 80S/F/G User’s Manual 7 Vision Systems Edition 07/97 from S oftware Version SR.010.xx 7.5 Teaching the Fiducial Line engi neer 7 - 41 7.5.3.3 O ption “Edit fiducial” NOTE The men u “Edit fi ducial” is only activa…

7 Vision Systems SIPLACE 80S/F/G User’s Manual

7.5 Teaching the Fiducial Edition 07/97 from Software Version SR.010.xx

7 - 40 Line engineer

The unique value indicates the discrimination quality of the fiducial in contrast to other structures found in the

vicinity of the fiducial. The display varies between

–

0 = inadequate and

–

100 = very good discrimination.

Experience shows that a unique value should be achieved of at least 60 for fiducials and ink dots.

Fig. 7.5.7

NOTE

Should you nevertheless want to use a fiducial with a low unique value, you should ensure a good quality

value for the fiducial (see Section 7.5.3.5 Option “Test fiducial”).

If in addition the quality too is bad, it is better you select another fiducial (see Criteria for the creation of fidu-

cials in Section 7.2.5).

●

With the arrow keys modify the camera position. By entering the numbers 1 ... 6 you can vary the incre-

ment.

●

With “RETURN” you can repeat the teach process.

●

With “ESC” you terminate the teach process. The video image disappears and the menu “Teach fiducial” is

displayed once more.

teach

1..6 : x/y step

Fiducial No. = 8 Uniqueness = 70

Ret :

New fiducial

x/y step width = ...

: x axis +

: x axis -

: y axis +

: y axis -

SIPLACE 80S/F/G User’s Manual 7 Vision Systems

Edition 07/97 from Software Version SR.010.xx 7.5 Teaching the Fiducial

Line engineer 7 - 41

7.5.3.3 Option “Edit fiducial”

NOTE

The menu “Edit fiducial” is only activated if you have already entered a fiducial number and a definition already

exists for the number selected.

Fig. 7.5.8

A description of the menu with its options can be found in Section 7.5.4.

7.5.3.4 Option “Center fiducial”

NOTE

The option “Center fiducial” can only be activated if you have already entered a fiducial number and a defini-

tion already exists for the number selected.

If these conditions are met, the menu “Teach fiducial” disappears and the video image is displayed on the

screen. The figure shows the 2D fiducial structure and the row and column profiles of the 1D structure for

exact determination of the center of the fiducial. In addition the header and footer lines are displayed.

Setup:

Fehler anzeigen

Error

State

Action

Edit existing fiducial

Rüstung:

Maschinenoptionen Single functions

Fehler quittieren Softwareoptionen

BE - Zuführung

Cluster:

SI80 V 10.x

Vision system

Version: 2133

Teach fiducial

Enter fiducial number

New fiducial

Edit fiducial

Center fiducial

Test fiducial

Move x/y axes

PCB to center conveyor

PCB to output conveyor

Choose gantry

Display errors

7 Vision Systems SIPLACE 80S/F/G User’s Manual

7.5 Teaching the Fiducial Edition 07/97 from Software Version SR.010.xx

7 - 42 Line engineer

Fig. 7.5.9

The function “Center fiducial” determines by software the center of the fiducial. The parameters for this func-

tion - that is, the edges of the fiducial structure - can be selected in dialog mode. The system places, as a sug-

gestion, edge line markings at the possible edge positions.

●

With the arrow keys you can shift the current edge line marking provided in the header line.

●

With “RETURN” you can accept the position of the suggested edge line marking or of one which has been

shifted. The system then indicates the next edge line marking for acceptance. The sequence in which you

are asked is “fiducial edge left”, “fiducial edge right”, “fiducial edge up” and finally “fiducial edge dn”. This

notation appears in the header line.

The result of the fiducial centering is indicated by a crosshair. The x and y offset values of the center of the

fiducial are entered into the fiducial data field.

●

With the “ESC” key you can quit the option and return to the menu “Teach fiducial”.

PLEASE NOTE:

An incorrectly centered fiducial will cause a placement offset.

Edge ok

Fiducial No. = 8 Edge = left

Ret :

Center fiducial

: up

: dn

: right

: left

Fiducial

Result: Centering crosshair

Edge line markings to be shifted

via cursor keys

Row profile of fiducial

Column profile

of fiducial