Mitsubishi GX Configurator-PT, User Manual

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MELSEC-Q
7 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
Restart program
This program is used to resume positioning control, at " Cd. 4 Restart request,
from where it stopped if the axis had been stopped by the axis stop signal during
operation under position control or speed-position switching control.
(Refer to "Section 11.6 Restart function" for details of the restart function.)
Data requiring setting
Set the following data.
Buffer memory address
Setting item Setting value
Axis 1 Axis 2 Axis 3 Axis 4 Axis 5 Axis 6 Axis 7 Axis 8
Cd. 4 Restart request
1: With restart request 53 153 253 353 453 553 653 753
Refer to "Section 4.7 List of control data" for more information on the setting details.
Start conditions
When a restart is to be made, "Md. 4 Axis operation status" must be "1: Stopped"
and the following conditions satisfied. (Necessary conditions are included in the
sequence program as interlocks.)
Device
Signal name Signal state
Axis 1 Axis 2 Axis 3 Axis 4 Axis 5 Axis 6 Axis 7 Axis 8
PLC READY signal ON PLC CPU ready Y0
Module READY signal ON QD70 ready X0
Axis error occurrence signal OFF No error X1
Axis stop signal OFF Axis stop signal being OFF Y10 Y11 Y12 Y13 Y14 Y15 Y16 Y17
Start complete signal OFF Start complete signal being OFF X10 X11 X12 X13 X14 X15 X16 X17
In
te
rf
ac
e s
ignal
BUSY signal OFF QD70 not operating X8 X9 XA XB XC XD XE XF
Restarting timing chart
0
V
t
Axis error occurrence signal [X1]
1
Dwell time
4 1 4 0
0 0
PLC READY signal [Y0]
Module READY signal [X0]
Axis stop signal [Y10 to Y17]
Positioning start signal [Y8 to YF]
Start complete signal [X10 to X17]
BUSY signal [X8 to XF]
Positioning complete signal [X18 to X1F]
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
Axis operation status Md.4
Restart request Cd.4
Fig. 7.9 Restarting timing chart (for position control)