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6 POSITIONING CONTROL
Control using INC-3 (Incremental data method)
(1) Positioning control from the current stop address to the position which combined
travel direction and travel value specified with each axis is executed.
(2) The travel direction for each axis is set by the sign (+/ -) of the travel value for
each axis, as follows:
• Positive travel value .............Positioning control to forward direction
(Address increase direction)
• Negative travel value............Positioning control to reverse direction
(Address decrease direction)
Forward direction
Forward
direction
Forward
direction
Reverse direction
Reverse direction
Reverse
direction
Z-axis
Z
1
Y
1
0
X
1
Current stop address
: Indicates setting data
(Note)
X-axis travel
value
Y-axis travel
value
travel
value
When the X-axis travel value is 10000, Y-axis travel value is 5000 and X-axis
value is 6000.
Stop position after
positioning
(11300, 6300, 8000)
Positioning
operation
Y-axis travel value
(5000)
Current stop address
(1300, 1300, 2000)
5000
6000
Z-axis travel
value (6000)
Home position
5000 10000
X-axis travel value (10000)
Forward direction
Forward direction
Forward direction
Reverse direction
Fig.6.6 Positioning using incremental data method
Example