YSD_Users_E.pdf - 第276页

6-7 6 Using the advanced functions 2.3 T eaching function T he teaching function is used to teach the mac hine position such as XY coordinate v alues using a teaching unit (camera or head). There are tw o teaching method…

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Using the advanced functions
2.2 Auto trace function
This function automatically traces data continuously and can be used with "Mount" data on the Board screen.
When used with "Mount" data, successive mount points are continuously traced.
1
Clamp a board.
Clamp a board on the conveyor.
2
Open the "Mount" data screen, and press the [Teach] button.
3
Set the trace conditions.
Set the "teaching (trace) unit", "speed", and "fiducial correction".
See the previous section "2.1 Trace function" for the setting methods.
4
Specify the data row.
Select the data row from which to start a trace.
5
Check the surrounding area for safety.
Upon performing a trace, the teaching (trace) unit will start to move. Stay out of the axis movement
range.
6
Press the [Auto] button and start a trace.
With the [Auto] button depressed, press the [Trace Next] button to perform continuous trace, starting
from the data row selected in step 4 toward the end of data rows. To stop continuous trace before
reaching the data end, press the [Auto] button.
With the [Auto] button depressed, press the [Trace Previous] button to perform continuous trace,
starting from the data row selected in step 4 toward the top of data rows. To stop continuous trace
before reaching the top data row, press the [Auto] button.
Performing an auto trace
Select data row to start auto trace.
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2.3 Teaching function
The teaching function is used to teach the machine position such as XY coordinate values using a teaching unit
(camera or head). There are two teaching methods: "point teaching" and "cursor teaching".
2.3.1 Point teaching
Point teaching is further divided into "one-point input" and "multi-point input". The "one-point input" allows the
teaching data to be directly entered. The "multi-point input" gives the center coordinates in the multiple
positions which are specified by teaching.
1
Clamp a board.
Clamp a board on the conveyor.
2
Set the trace conditions.
Set the "teaching unit", "speed", and "fiducial correction".
See the previous section "2.1 Trace function" for the setting methods.
3
Select the item (data) to perform teaching.
4
Move the teaching unit to the target position.
Stay out of the axis movement range and then move the teaching unit to the target position using the
axis move keys.
Moving the teaching unit
Select data row to perform teaching.
Use the axis move keys to move the
teaching unit to the target position.
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Using the advanced functions
5
Adjust the lighting levels as needed.
If the target image is not clearly displayed on the vision monitor, press the [Mark Light] button and adjust
the lighting levels.
Mark Light screen
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If the "Outer Level" and "Inner Level" are OFF or set to "0", increase these lighting levels to about "+4" and
check that the target image is clearly displayed on the vision monitor. The "Coaxial Level" should be set
to "0" in this case.
Lighting level adjustment
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The mark lights include the "Outer Level", "Inner Level", and "Coaxial Level". The “Outer Level” and “Coaxial Level” are
used when viewing thick land patterns with a flat surface. Set the lighting levels to an optimum value between "-1"
and "+5" while viewing the image on the vision monitor so that the land patterns are clearly seen.