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Mitsubishi Electric MELSEC-Q Series - Page 438

Mitsubishi Electric MELSEC-Q Series
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9 - 38
Chapter 9 Major Positioning Control
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 control.
If the movement amount of each axis exceeds "1073741824 (=2
30
)" when "0:
Composite speed" is set in "[Pr.20] Interpolation speed designation method"
The error "Outside linear movement amount range" (error code: 504) occurs at a
positioning start.
(The maximum movement amount that can be set in "[Da.6] Positioning
address/movement amount" is "1073741824 (=2
30
)".)
Positioning data setting example
[When "3-axis linear interpolation control (ABS 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
positioning data No. 1 of axis 2 and axis 3.)
Axis
Setting item
Setting example
Setting details
Axis 1
(reference
axis)
Axis 2
(interpolation
axis)
Axis 3
(interpolation
axis)
Axis 1 Positioning data No. 1
[Da.1] Operation pattern
Positioning
complete
– –
Set "Positioning complete"
assuming the next positioning data
will not be executed.
[Da.2] Control method
ABS
linear 3
– –
Set absolute system 3-axis linear
interpolation control.
[Da.3]
Acceleration time
No.
1 – –
Designate the value set in "[Pr.25]
Acceleration time 1" as the
acceleration time at start.
[Da.4]
Deceleration time
No.
0 – –
Designate the value set in "[Pr.10]
Deceleration time 0" as the
deceleration time at deceleration.
[Da.6]
Positioning
address/
movement amount
4000.0 m 8000.0 m 4000.0 m
Set the end point address.
(Assuming "mm" is set in "[Pr.1]
Unit setting".)
[Da.7] Arc address
Setting not required (setting value is
ignored).
[Da.8] Command speed
6000.00
mm/min
– –
Set the speed during movement to
the end point address.
[Da.9]
Dwell time/JUMP
destination
positioning data
No.
500ms –
Set the time the machine dwells
after the positioning stop (command
stop) to the output of the positioning
complete signal.
[Da.10]
M code/Condition
data No./Number
of LOOP to LEND
repetitions
10 –
Set this when other sub operation
commands are issued in
combination with the No. 1
positioning data.
[Da.20]
Axis to be
interpolated No.1
Axis 2
Set the axis to be interpolated.
If the self-axis is set, an error will
occur.
[Da.21]
Axis to be
interpolated No.2
Axis 3
[Da.22]
Axis to be
interpolated No.3
– – –
Setting not required (setting value is
ignored).
(Note): Refer to Section 5.3 "List of positioning data" for information on the setting details.

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