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4 DATA USED FOR POSITIONING CONTROL
4.7 List of control data
4.7.1 Axis control data
Item
By setting "1", the following operation is
performed.
• Axis error occurrence (Xn1), " Md. 5 Axis error
code", axis warning occurrence (Xn2) or " Md. 6
Axis warning code" is cleared.
(Xn1 and Xn2 are cleared when "1" is set in
Cd. 1 Axis error
Cd. 1 of all axes.)
reset
• 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.)
When the OPR request flag (b0 of Md. 7 ) is ON,
Cd. 2 OPR
setting "1" forcibly turns this data OFF.
request flag
(The data automatically changes to "0" after the
OFF request
OPR request flag turns OFF.)
Set this data when starting the corresponding
control.
Cd. 3 Start
Set the start data No. for positioning control.
(Starts from No.1 when 0 is set)
method
9000 : Machine OPR control
9001 : Fast OPR control
• If positioning control is stopped midway by the
axis stop signal (Y(n+1)0 to Y(n+1)7) (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
Cd. 4 Restart
stopped.
request
• 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.)
Set whether the speed-position switching signal is
made valid or not.
Cd. 5 Speed-
0: Invalidates the speed-position switching
position
signal.
switching
(Disable)
request
1: Validates the speed-position switching signal.
(Enable)
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Setting details
Default
Setting buffer memory address
value Axis 1 Axis 2 Axis 3 Axis 4 Axis 5 Axis 6 Axis 7 Axis 8
0
50
150
250
0
51
151
251
0
52
152
252
0
53
153
253
0
54
154
254
MELSEC-Q
350
450
550
650
351
451
551
651
352
452
552
652
353
453
553
653
354
454
554
654
4 - 37
750
751
752
753
754
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