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6 POSITIONING CONTROL
[Program]
Program for central point-specified circular interpolation control is shown as the
following conditions.
(1) System configuration
Central point-specified circular interpolation control of Axis 1 and Axis 2.
Positioning start command (PX000)
MM MM
Motion CPU control module
Axis
4
Axis
1
Axis
2
Axis
3
AMP AMP AMP AMP
Q61P Q02H
CPU
Q172H
CPU
Q172
LX
QX41
(2) Positioning operation details
The positioning uses the Axis 1 and Axis 2 servomotors.
The positioning by the Axis 1 and Axis 2 servomotors is shown in the diagram
below.
A
xis 2 positioning direction
(Forward direction)
Start address
(111459, 30000)
Positioning using the servo program No.51
30000
20000
0
11459
45000 78541
End address
Central point address
(78541, 30000)
(45000, 20000)
Axis 1 positioning direction
(Forward direction)
(3) Positioning conditions
(a) Positioning conditions are shown below.
Servo Program No.
Item
No.51
Positioning method Absolute data method
Positioning speed 1000
(b) Positioning start command ........ Turning PX000 off to on (OFF
ON)