Mitsubishi Electric MELSEC-Q Series - Page 242

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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.
Q172D
CPU
Q172D
LX
QX41 QY41PQ61P Q03UD
CPU
Motion CPU control module
Positioning start command (PX000)
AMP
M
Axis
1
AMP
M
Axis
2
AMP
M
Axis
4
AMP
M
Axis
3
(2) Positioning operation details
The positioning uses the Axis 1 and Axis 2 servo motors.
The positioning by the Axis 1 and Axis 2 servo motors is shown in the diagram
below.
Axis 2 positioning direction
(Forward direction)
Start address
(11459, 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.
Item
Servo Program No.
No.51
Positioning method Absolute data method
Positioning speed 1000
(b) Positioning start command ........ PX000 Leading edge (OFF
ON)