
FANUC AC SPINDLE MOTOR a series
1. ADJUSTMENT
B–65160E/02
26
2. Set the detector–related parameters.
Parameter Setting Description
4004 #1 1 Uses a separate BZ sensor.
4003 #7, 6, 5, 4 Depends on the detector. Sets a position coder signal.
4011 #2, 1, 0 Depends on the detector. Sets a speed detector.
4001 #2 1 Uses a position coder signal.
(e) When a built–in sensor in a motor is used together with a
reference switch (proximity switch)
Example system configuration:
Spindle
amplifier
JY3 JY2
Motor
Spindle
MZ sensor
Reference
1. Connect the feedback signal cables.
Detector Connector
MZ sensor (motor) JY2
Reference switch (spindle) JY3
2. Set the detector–related parameters. Set (b) above before
attempting the setting below.
Parameter Setting Description
4004 #2 1 Uses a reference switch.
4004 #3 Depends on the detector. Sets the detection edge for a
reference switch signal.
4001 #2 1 Uses a position coder signal.
(f) When a high–resolution magnetic pulse coder is used (with a
built–in motor)
Example system configuration:
Spindle
amplifier
TYPE 2
JY5
Spindle
High–resolution magnetic pulse coder
Built–in
motor
Preamplifier