Mitsubishi Electric MELSEC-LD77MS2 User Manual page 502

Setting item
Da.1
Operation pattern
Da.2
Control method
Da.3
Acceleration time No.
Da.4
Deceleration time No.
Axis to be interpolated
Da.5
LD77MS4
Positioning address/
Da.6
movement amount
Da.7
Arc address
Da.8
Command speed
Dwell time/JUMP
Da.9
destination
positioning data No.
M code/Condition
data No./Number of
Da.10
LOOP to LEND
repetitions
Axis to be interpolated
Da.20
No.1
LD77MS16
Axis to be interpolated
Da.21
No.2
LD77MS16
Axis to be interpolated
Da.22
No.3
LD77MS16
(Note): Refer to Section 5.3 "List of positioning data" for information on the setting details.
Restrictions
An error will occur and the positioning will not start in the following cases. The
machine will immediately stop if the error is detected during a positioning operation.

If the movement amount of each axis exceeds "1073741824 (=2
Composite speed" is set in "
The error "Outside linear movement amount range" (error code: 504) occurs at
a positioning start.
(The maximum movement amount that can be set in "
movement amount
Positioning data setting example
[When "3-axis linear interpolation control (INC linear 3)" is set in positioning data
No. 1 of axis 1]
• Reference axis ............. Axis 1
• Interpolation axis.......... Axis 2, Axis3 (The required values are also set in
LD77MS4 setting example
Axis
Axis 1 Axis 2
(reference (interpolation
axis) axis)
Positioning
–
complete
INC linear 3 –
1 –
0 –
– –
10000.0  m 5000.0  m
– –
6000.00
–
mm/min
500ms –
10 –
Interpolation speed designation method
Pr.20
30
" is "1073741824 (=2
positioning data No. 1 of axis 2 and axis 3.)
LD77MS16 setting example
Axis 3 Axis 1
(interpolation (reference (interpolation
axis) axis)
Positioning
–
complete
– INC linear 3
– 1
– 0
–
6000.0  m 10000.0  m 5000.0  m
– –
6000.00
–
mm/min
– 500ms
– 10
Axis 2
Axis 3
–
9 - 42
Chapter 9 Major Positioning Control
Positioning address/
Da.6
)".)
Axis 2 Axis 3
(interpolation
axis) axis)
Set "Positioning complete" assuming
– – the next positioning data will not be
executed.
Set incremental system 3-axis linear
– –
interpolation control.
Designate the value set in "
– –
Acceleration time 1
time at start.
Designate the value set in "
– –
Deceleration time 0
deceleration time at deceleration.
Setting not required (setting value is
ignored).
When axis 1 is used as a reference
axis, the interpolation axes are axes
2 and 3.
Set the movement amount.
6000.0  m
(Assuming "mm" is set in "
".)
setting
Setting not required (setting value is
– –
ignored).
Set the speed during movement to
– –
the end point address.
Set the time the machine dwells
after the positioning stop (command
– –
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.
– – Set the axis to be interpolated.
If the self-axis is set, an error will
occur.
– –
Setting not required (setting value is
– –
ignored).
30
)" when "0:
"
Setting details
Pr.25
" as the acceleration
Pr.10
" as the
Unit
Pr.1