9 MAJOR POSITIONING CONTROL

MELSEC-Q

Axis 1 Positioning data No. 1

Positioning data setting examples

The following table shows setting examples when "speed-position switching control (INC mode) by forward run" is set in positioning data No. 1 of axis 1.

 

Setting item

Setting example

 

 

 

Setting details

Da.1

 

Positioning

Set "Positioning complete" assuming the next positioning data will not

Operation pattern

be executed. ("Continuous path control" cannot be set in "speed-

complete

 

 

position switching control (INC mode)".)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Control system

Forward run:

Set speed-position switching control by forward run.

 

speed/position

 

 

 

 

 

Designate the value set in "

 

 

Acceleration time 1" as the

Da.3

Acceleration time No.

1

 

 

 

Pr.25

 

 

acceleration time at start.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Da.4

Deceleration time

0

 

 

Designate the value set in "

 

 

Deceleration time 0" as the

 

 

 

 

 

 

 

 

 

Pr.10

 

 

No.

 

 

 

deceleration time at deceleration.

 

 

 

 

 

 

 

Da.5

Axis to be

 

 

Setting not required. (Setting value is ignored.)

 

interpolated

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INC mode ( Pr.150 = 0)

 

 

 

 

Positioning address/

10000.0

m

Set the movement amount after the switching to position control.

 

movement amount

 

 

 

 

 

 

 

 

 

 

 

 

(Assuming that the "

Pr.1

 

Unit setting" is set to "mm".)

 

 

 

 

 

 

 

 

 

 

 

 

 

Arc address

 

 

Setting not required. (Setting value is ignored.)

 

 

 

 

 

Da.8

Command speed

6000.00mm/min

Set the speed to be controlled.

 

 

 

 

 

 

 

Da.9

 

 

 

 

Set a time from the positioning stop (pulse output stop) by position

Dwell time

500ms

 

control until the positioning complete signal is output. When the

 

 

 

 

 

system is stopped by speed control, ignore the setting value.

 

 

 

 

 

 

 

M 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.

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Mitsubishi Electronics QD75D Position switching control INC mode, Set speed-position switching control by forward run