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6 POSITIONING CONTROL
(3) Operation timing
Operation timing for fixed-pitch feed control using 3 axes linear interpolation is
shown below.
t
V
1000
PLC ready flag (M2000)
All axes servo ON command
(M2042)
All axes servo ON accept flag
(M2049)
Axis 2 servo ready (M2435)
Axis 1 servo ready (M2415)
Axis 3 servo ready (M2455)
Start command (PX000)
Servo program start
Axis 2 start accept flag
(M2002)
Axis 1 start accept flag
(M2001)
Axis 3 start accept flag
(M2003)
Servo program No.320
(4) Servo program
Servo program No.320 for fixed-pitch feed control using 3 axes linear
interpolation is shown below.
Fixed-pitch feed using 3 axes linear interpolation
<K 320>
FEED-3
Axis 1,
Axis 2,
Speed
50000
40000
1000
Axis used . . . . . . . . . Axis 1, Axis 2, Axis 3
Travel value . . . . .
Axis 1 . . . 50000
Axis 2 . . . 40000
Positioning speed . . . . . . . . . . . .
1000
Axis 3, 30000
Axis 3 . . . 30000
(Note): Example of the Motion SFC program for positioning control is shown next page.