User`s manual
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MELSEC-Q
4 DATA USED FOR POSITIONING CONTROL
4.7 List of control data
4.7.1 Axis control data
Setting buffer memory address
Item Setting details
Default
value
Axis 1Axis 2Axis 3Axis 4Axis 5Axis 6Axis 7Axis 8
Cd. 1
Axis error
reset
By setting "1", the following operation is
performed.
• Axis error occurrence (X1), "
Md. 5
Axis error
code", axis warning occurrence (X2) or "
Md. 6
Axis warning code" is cleared.
(X1 and X2 are cleared when "1" is set in
Cd. 1
of all axes.)
• If "
Md. 4
Axis operation status" is "Error", the
error is cleared and returned to the "Standby"
status.
(The data automatically changes to "0" after
completion of axis error reset or axis warning
reset.)
0 50 150 250 350 450 550 650 750
Cd. 2
OPR
request flag
OFF request
When the OPR request flag (b0 of
Md. 7
) is ON,
setting "1" forcibly turns this data OFF.
(The data automatically changes to "0" after the
OPR request flag turns OFF.)
0 51 151 251 351 451 551 651 751
Cd. 3
Start
method
Set this data when starting the corresponding
control.
0 : Positioning control (starting from No. 1)
9000 : Machine OPR control
9001 : Fast OPR control
0 52 152 252 352 452 552 652 752
Cd. 4
Restart
request
• If positioning control is stopped midway by the
axis stop signal (Y10 to Y17) (when "
Md. 4
Axis
operation status" is "Stopped"), setting "1"
restarts positioning control to the end point of the
positioning data from where it had stopped.
• For speed control of speed-position switching
control, speed control is exercised at the speed
used before the stop.
(After completion of restart request acceptance,
the data changes to "0" automatically.)
0 53 153 253 353 453 553 653 753
Cd. 5
Speed-
position
switching
request
Set whether the speed-position switching signal is
made valid or not.
0: Invalidates the speed-position switching
signal.
(Disable)
1: Validates the speed-position switching signal.
(Enable)
0 54 154 254 354 454 554 654 754