6 POSITIONING CONTROL

(3) Operation timing

Operation timing for fixed-pitch feed control using 3 axes linear interpolation is shown below.

V

Servo program No.320

1000

t

PLC ready flag (M2000)

All axes servo ON command (M2042)

All axes servo ON accept flag (M2049)

Axis 1 servo ready (M2415)

Axis 2 servo ready (M2435)

Axis 3 servo ready (M2455)

Start command (PX000)

Servo program start

Axis 1 start accept flag (M2001)

Axis 2 start accept flag (M2002)

Axis 3 start accept flag (M2003)

(4) Servo program

Servo program No.320 for fixed-pitch feed control using 3 axes linear interpolation is shown below.

<K 320>

 

 

 

 

 

 

FEED-3

 

 

 

Axis

1,

 

50000

Axis

2,

 

40000

Axis

3,

 

30000

Speed

 

 

1000

Fixed-pitch feed using 3 axes linear interpolation

Axis used . . . . . . . . . Axis 1, Axis 2, Axis 3 Axis 1 . . . 50000

Travel value . . . . . Axis 2 . . . 40000 Axis 3 . . . 30000 Positioning speed . . . . . . . . . . . . 1000

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

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