Mitsubishi Electric MELSEC Q Series Programming Manual page 240

6 POSITIONING CONTROL
Control using ABS , ABS
(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
Reverse direction
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
Reverse
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
(4) The maximum arc radius is (2
Arc central point
(Absolute data method)
Positioning speed
Radius R
Start point
address (X , Y )
0 0
Arc central point
Circular interpolation control
Arc central
point
Start address, end address
32 -1).
2 -1
31
-2
31
Radius R
Fig.6.19 Maximum arc
6 - 53
Operation by circular interpolation
End address (X , Y
1
Forward direction
: Indicates setting data
(Note)
Forward direction
31 ) to (2
Maximum arc
2 -1
31
)
1
31 -1).