7.8 Circular Interpolation Using Center Point Designation - Mitsubishi Electric SV13/22 Programming Manual

7. POSITIONING CONTROL

7.8 Circular Interpolation Using Center Point Designation

Servo
Instruction
ABS
Absolute data
ABS
INC
INC
[Control Details]
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Circular interpolation control by designating the end point and arc center point.
Circular interpolation control using center point designation uses ABS
ABS (absolute data method) and INC
servo instructions.
Number of
Positioning
Controllable
Method
Axes
∆
!
2
Incremental
Details of control with the servo instructions are shown in the table below.
Instruction
ABS
INC
ABS
INC
search engine
Items Set by Peripherals
Common Arc
∆ ∆
! ! !
Servomotor Max.
Direction of Controllable
Rotation Angle of Arc
Clockwise
0° < θ ≤ 360°
Counterclockwise
7 − 46
and INC (incremental method)
Parameter Block
∆ ∆ ∆ ∆ ∆ ∆ ∆ ∆
Positioning Path
0° < θ 360° <
Start point
Center point
Center point
0°< θ <
Start point
360°
and
Others
∆ ∆ ∆
NG
! : Must be set
∆ : Set if required
Positioning
path
End point
End point
Positioning
path