Mitsubishi Electric MELSEC Q Series, User Manual

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Chapter 1 Product Outline
(2) Circular interpolation control
(Note-1)
There are two types of circular interpolation controls: circular interpolation with a
specified sub point and circular interpolation with the specified center point.
(a) Circular interpolation with a specified sub point
Circular interpolation is performed using the specified endpoint address and
sub point (passing point) address.
Two methods are available: absolute system and increment system.
Forward
direction
Reverse
direction
Center point
(Calculated by the Simple Motion module)
Start point
address
Sub point
End point
Reverse
direction Forward
direction
(b) Circular interpolation with the specified center point
Circular interpolation is performed using the specified endpoint address and
center point address.
Two methods are available: absolute system and increment system.
Also, the direction of movement can be selected from clockwise or
counterclockwise.
End point
Center point
Stop position
Reverse
direction
Forward
direction
Reverse
direction Forward
direction
REMARK
(Note-1): The interpolation speed during circular interpolation control may only be
set to "composite speed" for the interpolation speed designation method of
detailed parameter 1. (Refer to Section 5.2.3 information about setting
"[Pr.20] Interpolation speed designation method" of the detailed parameter
1.)