6 POSITIONING CONTROL

(4) Operation timing

Operation timing for central point-specified circular interpolation is shown below.

V

Servo Program No.51

Combined-speed

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)

Start command (PX000)

Servo program start

Axis 1 start accept flag (M2001)

Axis 2 start accept flag (M2002)

(5) Servo program

Servo program No.51 for central point-specified circular interpolation is shown below.

<K 51>

 

 

 

 

 

 

ABS

1,

78541

Axis

Axis

2,

30000

Speed

 

 

1000

Central point specified-circular interpolation control

Axis used . . . . . . . . . . . . Axis 1, Axis 2

Central point 1,

45000

End address

Axis 1 . . . . . . . . . 78541

Central point 2,

20000

Axis 2 . . . . . . . . . 30000 Positioning speed . . . . . . . . . . . . . 1000

Central point address

Axis 1 . . . 45000 Axis 2 . . . 20000

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

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