Mitsubishi Electric A173UHCPU Programming Manual page 167

7. POSITIONING CONTROL
Control with INC-1 (incremental method)
(1) Positioning control of a designated travel value from the current stop position.
(2) The travel direction 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)
Reverse
travel
Travel direction for
negative sign
Example
The travel direction is shown below if the current stop address is -3000, and
the travel value is -5000.
-8000
Travel value = -5000
Fig.7.2 Positioning by Incremental Method
Current stop position
Travel direction for
positive sign
Current stop position
-3000 -2000 -1000
7 − 20
Forward
direction
0
Home position