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6 POSITIONING CONTROL
(3) Operation timing
Operation timing for speed control ( ) is shown below.
t
4000
V
PLC ready flag (M2000)
All axes servo ON command
(M2042)
All axes servo ON accept flag
(M2049)
Axis 3 servo ready (M2455)
Start command (PX000)
Servo program start
Axis 3 start accept flag
(M2003)
Stop command (M3240)
Speed control by
servo program No.55
Stop command
accept
(4) Servo program
Servo program No.55 for speed control ( ) is shown below.
<K 55>
4000
Axis 3
Speed
VVF
Positioning speed . . . 4000
Axis used . . . . . . . . . Axis 3
Speed control ( ) (Forward rotation)