Mitsubishi Electric MELSEC-Q QD75M User Manual page 428

9 MAJOR POSITIONING CONTROL
Setting item
Da.1 Operation pattern
Da.2 Control system
Da.3 Acceleration time No.
Deceleration time
Da.4
No.
Axis to be
Da.5
interpolated
Positioning address/
Da.6
movement amount
Da.7 Arc address
Da.8 Command speed
Da.9 Dwell time
Da.10 M code
Refer to Section 5.3 "List of positioning data" for information on the setting details.
Positioning data setting examples
[Reference axis and interpolation axis are designated as axis 1 and axis 2,
respectively.]
The following table shows setting examples when "2-axis circular interpolation
control with center point designation (INC circular right, INC circular left)" is set in
positioning data No. 1 of axis 1. (The required values are also set in positioning
data No. 1 of axis 2.)
Axis 1 Axis 2
Axis
(reference (interpolation
axis) setting axis) setting
example example
Positioning
complete
INC circular
right
INC circular
left
1
0
2
8000.0 µ m 6000.0 µ m
4000.0 µ m 3000.0 µ m
6000.00
mm/min
500ms
10
POINT
Set a value in " Da.8 Command speed" so that the speed of each axis does not
Pr.8
exceed the " Speed limit value". (The speed limit does not function for the
speed calculated by the QD75 during interpolation control.)
Set "Positioning complete" assuming the next positioning
–
data will not be executed.
Set incremental system, 2-axis circular interpolation control
– with center point designation. (Select clockwise or
counterclockwise according to the control.)
Designate the value set in " Pr.25
–
as the acceleration time at start.
Designate the value set in " Pr.10
–
as the deceleration time at deceleration.
Set the axis to be interpolated (partner axis).
–
If the self-axis is set, an error will occur.
Set the movement amount. (Assuming that the " Pr.1
Unit setting" is set to "mm".)
Set the center point address. (Assuming that the " Pr.1
Unit setting" is set to "mm".)
Set the speed when moving to the end point address.
(Designate the composite speed in " Pr.20
–
speed designation method".)
Set the time the machine dwells after the positioning stop
– (pulse output stop) to the output of the positioning complete
signal.
Set this when other sub operation commands are issued in
–
combination with the No. 1 positioning data.
9 - 67
MELSEC-Q
Setting details
Acceleration time 1"
Deceleration time 0"
Interpolation