Mitsubishi Electric MELSECQ Series User Manual page 144

7 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
Setting item
Cd. 4 Restart request
Refer to "Section 4.7 List of control data" for more information on the setting details.
Signal name
Programmable controller READY
signal
Module READY signal
Axis error occurrence signal
Axis stop signal
Start complete signal
BUSY signal
Positioning start signal
Axis stop signal
Programmable controller
READY signal
Module READY signal
Start complete signal
BUSY signal
Positioning complete signal [X18 to X1F]
Axis error occurrence signal
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Restart program
This program is used to resume position control by " Cd. 4 Restart request" from
the stop position to the end point of the positioning data when the axis has been
stopped by the axis stop signal during operation under position control or speed
control of speed-position switching control (excluding position control).
Data requiring setting
Set the following data.
Setting value
1: With restart request
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.)
Programmable controller CPU
ON
ready
ON QD70 ready
OFF No error
OFF Axis stop signal being OFF
OFF Start complete signal being OFF
OFF QD70 not operating
Restarting timing chart
V
[Y8 to YF]
OFF
[Y10 to Y17]
OFF
[Y0]
OFF
[X0]
OFF
[X10 to X17]
OFF
[X8 to XF]
OFF
[X1]
Md.4 Axis operation status
Cd.4 Restart request
Fig. 7.9 Restarting timing chart (for position control)
search engine
Axis 1 Axis 2 Axis 3 Axis 4 Axis 5 Axis 6 Axis 7 Axis 8
53
Signal state
Axis 1 Axis 2 Axis 3 Axis 4 Axis 5 Axis 6 Axis 7 Axis 8
Y10
X10
X8
ON
ON
ON
ON
ON
OFF
OFF
0 4
0
MELSEC-Q
Buffer memory address
153 253 353 453 553
Device
Y0
X0
X1
Y11 Y12 Y13 Y14 Y15
X11 X12 X13 X14 X15
X9 XA XB XC XD
Dwell time
ON
1 4
1
653 753
Y16 Y17
X16 X17
XE XF
t
ON
0
0
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