
B--63003EN--1/02
1. AXIS CONTROL
129
These special parameters are used for both master and slave axes during
superimposed control. Appropriate values should be specified with the
resulting feedrate taken into account. When superimposed control begins
or ends during automatic operation, it is impossible to switch the
maximum cutting feedrate in the current block and the next block. If an
M code that does not involve buffering is used to direct superimposed
control to begin or end, the maximum cutting feedrate is switched in a
block next to the current block. The rates other than the maximum cutting
feedrate are switched immediately when superimposed control begins or
ends.
S Neither out--of--synchronization compensation or detection is
performed between the master and slave axes during superimposed
control.
S A parking signal is ineffective for axes under superimposed control.
S When superimposed control is terminated during automatic operation,
move commands and coordinate system setting can be executed forthe
slave axis immediately. Unlike synchronous control, superimposed
control does not inhibit move commands in two or three blocks
including the current block.
S A reference position return cannot be specified for the salve axis under
superimposed control.
[Classification] Input signal
[Function] These signals perform synchronous control.
[Operation] When one of these signals becomes “1”, the control unit:
S Begins synchronous control in such a way that the corresponding axis
becomes a slave axis.
The axis with which the slave axis is synchronized is determined by
parameter No. 8180.
[Classification] Input signal
[Function] These signals place each axis in a parking state.
[Operation] When one of these signals becomes “1”, the control unit:
S Places the corresponding axis in a parking state.
1.9.4.6
Differen ces between
superimposed control
and ordinary
synchronous control
1.9.5
Signal
Synchronous control
axis selection signals
SYNC1 to SYNC7
<G138#0 to G138#6>
Parking signals PK1 t o
PK7 <G122#0 to G122#6>