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6 POSITIONING CONTROL
(3) Operation timing
Operation timing for fixed-pitch feed control is shown below.
V
10000
t
PLC ready flag (M2000)
All axes servo ON command
(M2042)
All axes servo ON accept flag
(M2049)
Axis 4 servo ready (M2475)
Start command (PX000)
Servo program start
Axis 4 start accept flag
(M2004)
End command (PX001)
Servo program No.300
Dwell 1second Dwell 1secondDwell 1second
(4) Servo program
Servo program No.300 for fixed-pitch feed control is shown below.
<K 300>
FEED-1
Axis
Speed
Dwell
4,
80000
10000
1000
1 axis fixed-pitch feed
Axis used . . . . . . . . . . Axis 4
Travel value . . . . . . . . 80000
Command speed
Dwell . . . . . . . . . . . . . . 1000
. . . 10000
(Note): Example of the Motion SFC program for positioning control is shown next page.