
B-65280EN/05 FANUC AC SPINDLE MOTOR αCi series 1.START-UP
- 403 -
15i 16i 30i
#7 #6 #5 #4 #3 #2 #1 #0
3003 4003 4003
PCPL2 PCPL1 PCPL0 PCTYPE
PCPL2, PCPL1, PCPL0, PCTYPE Gear teeth number setting of the spindle sensor (position coder)
Set to 0,0,0,0.
15i 16i 30i
#7 #6 #5 #4 #3 #2 #1 #0
3005 4005 4005
VCTLPC
VCTLPC Sets the velocity feedback method.
0 : Exercises velocity control with an estimated velocity only.
1 : Uses a velocity calculated from the position coder signal to
exercise velocity control.
The feedback signal from a position coder attached to a spindle on a
1:1 basis is converted to motor speed data for velocity control. Set this
bit to 1 when performing orientation, rigid tapping, or spindle
synchronous control.
By setting this bit to 1 even in ordinary velocity control, the response
characteristics and stability of velocity control can be improved.
NOTE
1 The feature may not be fully utilized, depending on
the connection ratio between the spindle and spindle
motor or between the spindle and position coder, the
rigidity of the connection, the precision of position
coder attachment, and so forth.
2 When this bit is set to 1 with a spindle that has a
gear switch mechanism, the torque limitation
command signal (TLMLA) must be input at the start
of gear switching. For details, see Chapter 3, "I/O
SIGNALS (CNC ↔ PMC)", in Part III.