
B–65160E/02
2. FUNCTION EXPLANATION
FANUC AC SPINDLE MOTOR a series
133
16i/16 #7 #6 #5 #4 #3 #2 #1 #0015i15
POSC1 ROTA1
6500 3000 4000
6640 3140
1st–
2nd–
ROTA1: Indicates the relationship between the rotation directions of spindle and
spindle motor.
0: Rotates the spindle and spindle motor in the same direction.
1: Rotates the spindle and spindle motor in the reverse direction.
POSC1: Indicates the mounting direction of position coder.
0: Rotates the spindle and position coder in the same direction.
1: Rotates the spindle and position coder in the reverse direction.
16i/16 #7 #6 #5 #4 #3 #2 #1 #0015i15
POSC2
6501 3001 4001
6641 3141
1st–
2nd–
POSC2: Determines whether the position coder signal is used or not.
Set this bit to ”1”(Used).
16i/16 #7 #6 #5 #4 #3 #2 #1 #0015i15
PCPL2 PCPL1 PCPL0 PCTYPE
6503 3003 4003
6643 3143
1st–
2nd–
PCPL2, PCPL1, PCPL0, PCTYPE:
Set a position coder signal.
Set these bits according to the type of detector.
Set these bits to ”0,0,0,0” when using a position coder.
16i/16 #7 #6 #5 #4 #3 #2 #1 #0015i15
SYCREF GRUNIT
6506 3006 4006
6646 3146
1st–
2nd–
GRUNIT:
Gear ratio setting resolution setting
0: 1/100 units (Under normal circumstances, set to ”0”.)
1: 1/1000 units
This parameter is used for gear ratio data setting to select whether to
set the number of motor revolutions for 1 revolution of the spindle as a
multiple of 100 or as a multiple of 1,000.
When the gear ratio is a fraction at 1/100, there may be a constant
synchronization error indicated in spindle synchronization control.
In this sort of situation, using setting units of 1/1000 makes the
synchronization error appear much smaller.
This parameter changes the following parameter settings.
2.6.4
Parameter Detail for
Spindle
Synchronization
Control