Chapter 1 Overview
1-9
Reverse
Direction
Forward Direction
Forward
Direction
Origin
Center
point
Operating by circular interpolation when
Circular angle >= 180
°
Reverse Direction
Center
point
Circular angle
< 180°
Circular angle >= 180
°
Operating by circular
interpolation when
Circular angle >= 180
°
Starting
Position
(c) Circular interpolation with radius designation form
1) Start operating from starting position and execute circular interpolation along trace of circular arc that has
designated radius as it radius. Depending on size setting of circular arc(<180°,>=180°), center point of circular
arc will be different.
2) In radius designation form, goal position can not be set the same as starting position.
3) The direction that set on “Circular Interpolation Mode” of operation data (Radius, CW, Circular arc<180°) is
designated as movement direction.
1.4.3 Speed Control
(1) It is executed by positioning operation start command (Direct start, Indirect start, Synchronous start), keep
operating at the speed already set until Dec. stop command.
(2) Speed control has forward operation and reverse operation.
(a) Forward operation : Position value >= 0
(b) Reverse operation : Position value < 0
(3) In the case that operated by speed control, M code mode of setting values will be ‘on’, only if it is ‘With’.
(4) Operating Timing
It will not be ON
even though stop
Time
Speed
Operation
Command
In
Operation
Signal of positioning
complete
Stop command
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