
B-65280EN/05 FANUC AC SPINDLE MOTOR αi series 5.FUNCTION DESCRIPTIONS
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5.8.3 System Configuration
The spindle EGB function is usable in the following system
configuration.
NOTE
The spindle EGB function is usable between
spindles having a different detector configuration.
(1) System configuration with built-in motors
JA7A
Speed/position
sensor
Built-in spindle motor
JYA2
SPM
TYPE B
JA7B
JX4
JYA2
SPM
TYPE B
JA7B
JX4
CNC
First axis
(master axis)
Second axis
(slave axis)
SPM-to-SPM
communication
Series
16
i
/160
i
/160
i
s
18
i
/180
i
/180
i
s
MODEL B
Speed/position
sensor
Built-in spindle motor
Parameter settings related to detectors
Parameter Setting Description
4000#0 0 The spindle and motor rotates in the same direction.
4002#3,#2,#1,#0 0,0,0,1 The motor sensor is used for position feedback.
4003#7,#6,#5,#4 0,0,0,0 It is unnecessary to specify the number of the spindle sensor teeth.
4010#2,#1,#0 0,0,1 MZi/BZi/CZi sensor
4011#2,#1,#0
or 4334
Depending on
the sensor.
Setting for the number of motor sensor (speed sensor) teeth
4056 to 4059 100 or 1000
The spindle-to-motor gear ratio is 1:1.
(The settings for these parameters vary depending on the gear
ratio increment system specified in bit 1 or parameter No. 4006.)
4386
(*)
Depending on
the sensor.
Setting for the number of master-axis motor sensor (speed sensor)
teeth
(*) This parameter is valid only for the slave axis (second spindle).