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9 MAJOR POSITIONING CONTROL
(4) When either of three axes exceeds the speed limit, that axis is controlled with
the speed limit value. The speeds of the other axes are limited at the ratios of
Da.8
"
Command speed".
(Examples)
Setting item
Speed limit
Pr.8
value
Command
Da.8
speed
With the settings shown above, the operation speed in speed control is as
follows.
Axis 1: 4000.00 mm/min (Speed is limited by
Axis 2: 3000.00 mm/min (Speed is limited at ratios in axes 1, 2, and 3
Axis 3: 2000.00 mm/min (Speed is limited at ratios in axes 1, 2, and 3
(5) An error "No command speed" (error code: 503) will occur if a current speed
Da.8
(-1) is set in "
Command speed".
(6) The software stroke limit check is not carried out when the control unit is set to
"degree".
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Axis
Axis 1 setting
4000.00mm/min
5000.00mm/min
8000.00mm/min
6000.00mm/min
command speeds).
command speeds).
9 - 75
MELSEC-Q
Axis 2 setting
Axis 3 setting
6000.00mm/min
4000.00mm/min
Pr.8
).
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