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MELSEC-A
9 MAIN POSITIONING CONTROL
Positioning data setting examples
The following table shows setting examples when "2-axis circular interpolation
control with center point designation (INC right arc, INC left arc)" 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
Setting item
Axis 1
(reference
axis) setting
example
Axis 2
(interpolation
axis) setting
example
Setting details
Da.1
Operation pattern
Positioning
complete
–
Set "Positioning complete" assuming the next positioning
data will not be executed.
Da.2
Control method
INC right arc
INC left arc
–
Set increment system, 2-axis circular interpolation control
with center point designation. (Select clockwise or
counterclockwise according to the control.)
Da.3
Acceleration time
No.
1 –
Designate the value set in "
Pr.26 Acceleration time 1" as
the acceleration time at start.
Da.4
Deceleration time
No.
0 –
Designate the value set in "
Pr.9 Deceleration time 0" as
the deceleration time at deceleration.
Da.5
Positioning address/
movement amount
80000.0
µ
m
60000.0
µ
m
Set the movement amount. (Assuming that the "
Pr.1 Unit
setting" is set to "mm".)
Da.6
Arc address
40000.0
µ
m
30000.0
µ
m
Set the center point address. (Assuming that the "
Pr.1
Unit setting" is set to "mm".)
Da.7
Command speed
6000.00
mm/min
–
Set the speed when moving to the end point address.
(Designate the composite speed in "
Pr.21 Interpolation
speed designation method".)
Da.8
Dwell time
500ms
–
Set the time the machine dwells after the positioning stop
(pulse output stop) to the output of the positioning complete
signal.
Ax
is 1 Positioning data N
o
. 1
Da.9
M code
10
–
Set this when other auxiliary operation commands are
issued in combination with the No. 1 positioning data.
* Refer to section "5.3 List of positioning data" for information on the setting details.
POINT
Set a value in " Da.7 Command speed" so that the speed of each axis does not
exceed the " Pr.7 Speed limit value". (The speed limit does not function for the
speed calculated by the AD75 during interpolation control.)
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