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
M code
Da.10
Refer to Section 5.3 "List of positioning data" for information on the setting details.
(5) An error "No command speed (error code: 503)" occurs if a current speed (-1)
Da.8
is set in "
Command speed".
(6) The software stroke limit check is not carried out when the control unit is set to
"degree".
Positioning data setting examples
[Setting examples when the reference axis and interpolation axis are designated
as axes 1 and 2, respectively.]
The following table shows the setting examples when "2-axis speed control
(forward run: speed 2)" is set in the positioning data No. 1 of axis 1 (reference
axis).
Axis 1
Axis 2
Axis
(reference
(interpolation
axis) setting
axis) setting
example
example
Positioning
complete
Forward run
speed 2
1
0
2
–
–
6000.00
3000.00
mm/min
mm/min
–
10
Setting other than "Positioning complete" is not possible in
–
speed control.
–
Set 2-axis speed 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.
–
Setting not required (setting value will be ignored).
–
Setting not required (setting value will be ignored).
Set the speed to be commanded.
–
Setting not required (setting value will be ignored).
Set this when other sub operation commands are issued in
combination with the No. 1 positioning data. (" Pr.18 M
–
code ON signal output timing" setting only possible in the
WITH mode.)
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MELSEC-Q
Setting details
Acceleration time 1"
Deceleration time 0"