Mitsubishi Electronics QD75MH2 Benutzerhandbuch

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MELSEC-Q

9 MAJOR POSITIONING CONTROL

Positioning data setting example

[Reference axis is designated as axis 1.]
The following table shows setting examples when "4-axis fixed-feed control (fixed-
feed 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

Setting item

Axis 1

(reference

axis) setting

example

Axis 2

(interpolation

axis) setting

example

Axis 3

(interpolation

axis) setting

example

Axis 4

(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

Fixed-feed 4

–

Set 4-axis fixed-feed control.

Da.3 Acceleration time No.

–

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.5

Axis to be
interpolated

– – – –

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.

Da.6

Positioning address/
movement amount

4000.0 µm 8000.0

µm 4000.0

µm 3000.0

µm

Set the positioning address.
(Assuming "mm" is set in
"

Pr.1

Unit setting".)

Da.7 Arc

address

– – – –

Setting not required (setting
value will be ignored).

Da.8 Command speed

6000.00
mm/min

– – –

Set the speed during
movement.

Da.9 Dwell

time 500ms

– – –

Set the time the machine
dwells after the positioning stop
(pulse output stop) to the
output of the positioning
complete signal.

is 1 Positioning data N

o. 1

Da.10

code

10 – – –

Set this when other sub
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.

POINTS

•

When the "reference axis speed" is set during 4-axis fixed-feed 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 "

Pr.8

Speed limit

value".

•

Refer to Section 9.1.6 "Interpolation control" for the reference axis and

interpolation axis combinations.