7. POSITIONING CONTROL
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Control with INC-2 (incremental method)
(1) Positioning control from the current stop position to the position which is the
resultant of the designated travel directions and travel values of the respective
axis.
(2) The travel direction of each axis is designated by the sign of the travel value, as
follows:
• Positive travel value .............forward direction (increased address)
• Negative travel value............reverse direction (decreased address)
Positioning speed
Y
1
0
X
1
X-axis travel value
Y-axis travel value
Reverse
direction
Reverse direction
Current stop address
Forward
direction
Forward direction
Forward: Travel direction for
positive travel value
Reverse: Travel direction for
negative travel value
: indicates set data
The travel direction is shown below for an X-axis travel value of 6000 and Y-
axis travel value of -2000.
X-axis travel value
5000
3000
Positioning movement
Stop position after
positioning
Home position
Current stop address
(-1000, -1000)
Y-axis travel value
Fig.7.4 Positioning by Incremental Method
Example
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