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9 MAJOR POSITIONING CONTROL
Setting item
Da.1 Operation pattern
Da.2 Control system
Acceleration time
Da.3
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 example
[Reference axis is designated as axis 1.]
The following table shows setting examples when "4-axis linear interpolation
control (INC linear 4)" 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 3 and axis 4.)
Axis 1
Axis 2
Axis
(reference
(interpolation
axis) setting
axis) setting
example
example
Positioning
–
complete
INC linear 4
–
1
–
0
–
–
–
4000.0 µ m
8000.0 µ m
–
–
6000.00
–
mm/min
500ms
–
10
–
POINTS
(1) When the "reference axis speed" is set during 4-axis linear interpolation control,
set so the major axis side becomes the reference axis. If the minor axis side is
set as the reference axis, the major axis side speed may exceed the "
Speed limit value".
(2) Refer to Section 9.1.6 "Interpolation control" for the reference axis and
interpolation axis combinations.
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Axis 3
Axis 4
(interpolation
(interpolation
axis) setting
axis) setting
example
example
–
–
–
–
–
–
–
–
–
–
4000.0 µ m
3000.0 µ m
–
–
–
–
–
–
–
–
9 - 42
MELSEC-Q
Setting details
Set "Positioning complete"
assuming the next positioning
data will not be executed.
Set incremental system 4-axis
linear interpolation control.
Designate the value set in
" Pr.25
Acceleration time 1"
as the acceleration time at start.
Designate the value set in
" Pr.10
Deceleration time 0"
as the deceleration time at
deceleration.
Setting not required (setting
value will be ignored).
When axis 1 is used as a
reference axis, the interpolation
axes are axes 2, 3 and 4.
Set the movement amount.
(Assuming "mm" is set in
" Pr.1
Unit setting".)
Setting not required (setting
value will be ignored).
Set the speed during
movement.
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.
Pr.8
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