6POSITIONING CONTROL

(3)Operation timing

Operation timing for fixed-pitch feed control is shown below.

V

Servo program No.300

10000

 

 

 

 

t

Dwell 1second

Dwell 1second

Dwell 1second

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)

(4) Servo program

Servo program No.300 for fixed-pitch feed control is shown below.

<K 300>

 

 

 

 

1 axis fixed-pitch feed

 

 

 

 

 

 

FEED-1

 

 

 

 

 

 

 

 

 

 

Axis

4,

80000

 

Axis used . . . . . . .

. . . Axis 4

Speed

 

 

10000

 

Travel value . . . . .

. . . 80000

Dwell

 

 

1000

 

Command speed

. . . 10000

 

 

 

 

 

 

 

 

 

 

Dwell . . . . . . . . . . .

. . . 1000

(Note): Example of the Motion SFC program for positioning control is shown next page.

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