
B-65280EN/05 FANUC BUILT-IN SPINDLE MOTOR Bis series 2.EXPLANATION OF OPERATION MODES
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15i 16i 30i
3074 4074 4074
Speed for return to reference position on Cs contouring control mode/servo
mode
Unit of data : 1min
-1
Valid data range : 0 to 32767
Standard setting : 0
• When 0 is set
The value set in No. 4021 (maximum spindle speed) is used as a
reference position return speed on Cs contouring control.
• When a value other than 0 is set
The value set in this parameter is used as a reference position
return speed on Cs contouring control.
NOTE
An overshoot can occur at reference position return
time for a cause such as an excessively high
reference position return speed by setting the
parameter No. 4021 (maximum spindle speed on Cs
contouring control mode). In this case, set this
parameter.
15i 16i 30i
3092 4092 4092
The reduction rate of position loop gain in returning to the reference position
on Cs contouring mode
Unit of data : 1%
Valid data range : 0 to 100
Standard setting : 100
This parameter specifies a rate of change in the position gain used for
reference position return on Cs contouring control mode.
NOTE
An overshoot can occur at reference position return
time for a cause such as an excessively high
reference position return speed and an excessively
large spindle inertia. In this case, an overshoot can
be avoided by setting a small value in this
parameter.