Dek-265GSX-User-Manual - 第163页

4. The camera moves to another position in the search window area. 5. If the whole search window area has not been covered, the sequence returns to Step 2. 6. If the the whole search window area has been covered with no …

Fiducial Search The parameter enables an auto search to be selected if a screen fiducial or board

fiducial are not found. The feature also enables a machine to run a product setup

on another machine, options are:

Custom; Disabled

The default is Disabled.

Setup If Custom is selected, an Adjust option becomes available on the menu bar:

Onselecting Adjust from the menu, a Fiducial Search StrategyWindowopens:

The menu bar changes to:

The Next and Previous keys move the cursor between the two parameters.

The Incr. and Decr. keys change the value of the highlighted parameter.

The Exit key returns to the set preferences menu.

Autosearch This parameter sets whether an automatic search can be selected following a

Fiducial Not Found Error Message. The options are:

1st Board; All Boards

The option Auto Search (F2) is added to the menu bar as follows:

Depending on the setting, the option Auto Search (F2) is available for the 1st

board or all boards of a batch, following a Fiducial Not Found Error Message.

If Auto Search is selected, the machine uses the following strategy to search for

the fiducial. The sequence continues until the fiducial is found:

1. The camera starts in the nominalfiducial position, determinedby the product

file.

2. The camera attempts to locate the fiducial within its field of view.

3. The camera stays in position and repeatedly searches for the fiducial, each

time using a different adjustment of the camera lighting.

2.28 User Manual Software Version 6

SET PREFERENCES

PREFERENCES

Fiducial Search Strategy

AUTOSEARCH

WINDOW SIZE

All Boards

16 mm

4. The camera moves to another position in the search window area.

5. If the whole search window area has not been covered, the sequence returns

to Step 2.

6. If the the whole search window area has been covered with no fiducial being

found, the camera moves to the nominal position and an error is generated.

NOTE

If 2D board inspection is enabled on a machine this feature searches for screen

fiducials only.

Window Size This parameter sets the size of the window area that is searched around the

nominal fiducial location, options are 10mm or 16mm.

Local Product File The offset values (differences between the product file and set up of the

machine) are stored locallyon the hard disk in an offsetsfile called local.lpf. For

each product file, any offset values required are stored added to the offsets file .

The addition to the offsets file is made when the first board is run and only if

Custom is selected.

Because the product file is not updated other machines are able to share the

product file.

Loading a Product When a product is loaded, if Custom is selected and a corresponding entry in the

offsets file (local.lpf) exists, the parameters are read from the offsets file and

added to the corresponding parameters from the product file, the sum of the two

values for each fiducial offset is used as the new parameter. The chase offsets

are calculated for the first board and are saved to the local.lpf file.

Actuator Limits If due to the new fiducial positions the actuators are required to go close to their

limits a warning is generated. If the actuator would need to travel beyond its

limit an error is generated and the red beacon is illuminated.

Remote Board Stop Sets whether the remote board stop facility is to be used, options are:

Fitted; Not Fitted

The default is Not Fitted.

Board Stop X Offset This parameter allows for the input of an offset to compensate for variations in

the focal lengths of the vision systems between machines.

Min 20mm

Max 40mm

The default is 27mm.

This parameter has no function while remote board stop is fitted.

Software Version 6 User Manual 2.29

SET PREFERENCES

PREFERENCES

SPC Port Config This preference allows the user to set the configuration of the SPC port output

rate and data format.

Selecting the Incr. or Decr. buttons whilst this preference is highlighted opens a

further parameter window.

The menu bar changes to:

The Next and Previous keys move the cursor between the parameters.

The Incr. and Decr. keys change the value of the highlighted parameter.

The Exit key returns to the set preferences menu.

The four adjustable parameters have the following ranges:

Parameter Options Default

Baud Rate 110, 300, 600, 1200, 2400, 3600, 4800, 9600,

14400, 19200, 28800, 38400

9600

Word Length 5, 6, 7, 8 8

Parity ODD, EVEN, NONE, MARK, SPACE NONE

Stop Bits 1, 2 1

NOTE

The faster the baud rate the faster information transfer occurs.

SPC data is output when any of the following occur:

• SPC output cycle (as per Output Rate)

• Alignment Inspection Cycle

• 2D Inspection Cycle

Machine Location This allows the operator to enter text to uniquely identify the machine. Output is

via GEM, Host Comms and SPC.

Maint. Monitoring This preference, when enabled, provides an indication to the operator when a

preventive maintenance service is due. Options are:

Enabled; Disabled

2.30 User Manual Software Version 6

SET PREFERENCES

PREFERENCES

SPC Output

BAUD RATE

WORD LENGTH

PARITY

STOP BITS

9600

None