Mitsubishi Electric MELSEC-Q Series - Page 220

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6 POSITIONING CONTROL
[Program]
Program for 3 axes linear interpolation control is shown as the following conditions.
(1) System configuration
3 axes linear interpolation control of Axis 1, Axis 2 and Axis 3.
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 is used the Axis 1, Axis 2 and Axis 3 servo motors.
The positioning operation by the Axis 1, Axis 2 and Axis 3 servo motors is shown
in the diagram below.
Axis 2 positioning direction
(50000, 40000, 30000)
Positioning using the servo
program No.21.
40000
30000
50000
Home position
(0, 0, 0)
(Reverse direction)
Axis 3 positioning
direction
Axis 1 positioning
direction
(Reverse direction)
(
Reverse direction
)
(Forward direction)
(Forward direction)
(Forward direction)
(3) Positioning conditions
(a) Positioning conditions are shown below.
Item
Servo Program No.
No.21
Positioning method Absolute data method
Positioning speed 1000
(b) Positioning start command ........ PX000 Leading edge (OFF
ON)