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Chapter 9 Major Positioning Control
9.2.11 2-axis circular interpolation control with center point designation
In "2-axis circular interpolation control" ("
Da.2
Control system" = ABS circular right,
INC circular right, ABS circular left, INC circular left), two motors are used to carry out
position control in an arc path having an arc address as a center point, while carrying
out interpolation for the axis directions set in each axis.
(Refer to Section 9.1.6 "Interpolation control" for details on interpolation control.)
The following table shows the rotation directions, arc center angles that can be
controlled, and positioning paths for the different control systems.
Control system
Rotation direction
Arc center angle that
can be controlled
Positioning path
ABS circular right
INC circular right
Clockwise
Positioning path
0° < < 360°
Center point
Start point
(current stop
position)
End point
(positioning address)
ABS circular left
INC circular left
Counterclockwise
0
°
<
θ
≤
360
°
Center point
Positioning path
Start point
(current stop
position)
End point
(positioning address)
0°< < 360°
Summary of Contents for MELSEC-Q QD77MS
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Page 232: ...5 111 Chapter 5 Data Used for Positioning Control MEMO...
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Page 593: ...10 30 Chapter 10 High Level Positioning Control MEMO...
Page 625: ...11 32 Chapter 11 Manual Control MEMO...
Page 659: ...12 34 Chapter 12 Expansion Control MEMO...
Page 767: ...13 108 Chapter 13 Control Sub Functions MEMO...
Page 813: ...14 46 Chapter 14 Common Functions MEMO...
Page 831: ...15 18 Chapter 15 Dedicated Instructions MEMO...
Page 846: ...16 15 Chapter 16 Troubleshooting MEMO...
Page 892: ...16 61 Chapter 16 Troubleshooting MEMO...
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