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6 POSITIONING CONTROL
Control using ABS
, ABS (Absolute data method)
(1) Circular interpolation of an arc with a radius equivalent to the distance between
the start point and central point, between the current stop address (address before
positioning) based on the home position and the specified end point address.
Forward direction
Reverse
direction
Positioning speed
End address (X
1
, Y
1
)
Arc central point
Radius R
Operation by circular interpolation
Start point
address (X
0
, Y
0
)
Reverse direction
Forward direction
: Indicates setting data
(Note)
Fig.6.17 Circular interpolation control using absolute date method
(2) Positioning control of a complete round is possible in the central point-specified
circular interpolation control.
Forward direction
Circular interpolation control
Arc central
point
Start address, end address
Reverse
direction
Forward direction
Reverse direction
Fig.6.18 Positioning control of a complete round
(3) Setting range of end point address and arc central point is (-2
31
)
to (2
31
-1).
(4) The maximum arc radius is (2
32
-1).
2
31
-1
2
31
-1
Maximum arc
A
rc central point
Radius R
-2
31
Fig.6.19 Maximum arc