6 POSITIONING CONTROL

[Program]

Program for which executes the speed-switching control by turning on M2040 during constant-speed instruction is shown as the following conditions.

(1) System configuration

Switches speed for Axis 1 and Axis 2.

Motion CPU control module

Q61P Q02H Q172H Q172 QX41

CPU CPU LX

Start command (PX000)

Speed switching point specified flag (M2040) ON command (PX010)

AMP AMP AMP AMP

Axis

Axis

Axis

Axis

1 M

2 M

3 M

4 M

(2)Positioning conditions

(a)Speed switching conditions are shown below.

Item

 

 

 

Setting

 

 

Servo program No.

 

 

310

 

 

Positioning speed

 

10000

 

15000

 

 

2 axes linear

Central point-

 

2 axes linear

2 axes linear

Positioning method

specified circular

 

interpolation

 

 

interpolation

interpolation

 

 

 

interpolation

 

 

 

 

 

 

 

 

Pass point

Axis 1

20000

 

30000

 

40000

50000

Axis 2

10000

 

20000

 

25000

40000

 

 

 

(b) The constant-speed start command for speed switching

..............................................................Turning PX000 off to on (OFF ON)

6 - 130