
B-65280EN/05 FANUC AC SPINDLE MOTOR βi series 1.START-UP
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(2) When the α position coder is used
[Sample system configuration]
Spindle motor with built-in Mi sensor
(or MZi
sensor)
Spindle
JYA3
JYA2
SVPM
(TYPE A)
position coder
Directly connected or connected with a
gear or timing belt at a ratio of 1:1
Parameter (0i)
Settings Description
4000 #0
Depends on the
configuration.
Rotation directions of the spindle
and motor
4001 #4
Depends on the
configuration.
Spindle sensor mounting direction
4002 #3,#2,#1,#0 0,0,1,0
Uses the α position coder as the
spindle sensor.
4003 #7,#6,#5,#4 0,0,0,0
Sets the number of spindle sensor
gear teeth.
4010 #2,#1,#0
Depends on the
detector.
Sets the type of motor sensor.
4011 #2,#1,#0
Depends on the
detector.
Sets the number of motor sensor
gear teeth.
4056 to 4059
Depends on the
configuration.
Gear ratio between the spindle and
motor