
B-65280EN/05 FANUC AC SPINDLE MOTOR αi series 1.START-UP
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(7) When the axis on which the spindle sensor is mounted is not the spindle
[Sample system configuration]
Spindle motor with built-in M
i
sensor
Spindle
JYA2
SPM
TYPE A
JYA3
position coder
Medial
axis
Gear or
timing belt
Directly connected or connected
with a gear or timing belt at a
ratio of 1:1
Parameter No. 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
Depends on the
configuration.
Type of spindle sensor
4003 #7,6,5,4
Depends on the
detector.
Sets the number of spindle sensor gear
teeth.
4010 #2,1,0 0, 0, 0
Uses the Mi sensor as the motor
sensor.
4011 #2,1,0
Depends on the
detector.
Sets the number of motor sensor gear
teeth.
4007 #6 1
Alarms related to positional feedback
signals (in non-Cs mode) are not
detected.
4016 #5 0
Alarms related to positional feedback
signals (in Cs mode) are not detected.
4056 to 4059
Depends on the
configuration.
Gear ratio between the spindle and
motor
4500 to 4503
Depends on the
configuration.
Arbitrary gear ratio between the spindle
sensor and spindle
NOTE
Those functions such as the orientation function that
require a one-rotation signal cannot be used.