
B–65160E/02
1. ADJUSTMENT
FANUC AC SPINDLE MOTOR a series
31
(a) If the spindle is connected to a built–in motor or a motor
incorporating an MZ sensor at a ratio of 1:1
Example system configuration 1:
Spindle
amplifier
TYPE 4
JY5
Spindle
MZ sensor
Motor
1:1
Example system configuration 2:
Spindle
amplifier
TYPE 4
JY5
Spindle
BZ sensor
Built–in
motor
1. Connect the feedback signal cables.
Detector Connector
MZ sensor, BZ sensor (motor) JY5
2. Set the detector–related parameters.
Parameter Setting Description
4018#4 1 Uses the a sensor Cs contouring control
function.
4001#2 1 Uses a position coder signal.
4001#5 0 Does not use a high–resolution magnetic
pulse coder.
4001#6 1 Uses a position detection signal for Cs
contouring control also for speed detec-
tion.
4003#1 1 Uses an MZ sensor or BZ sensor.
4003#7,6,5,4 Depends on
the detector.
Sets a position coder signal.
4004#1 0 Does not use a separate position detec-
tor.
4004#4 0 Sets a one–rotation signal type.
4011#2,1,0 Depends on
the detector.
Sets a speed detector type.
(b) If an MZ sensor is used on the motor–side with a separate BZ
sensor on the spindle side
Example system configuration: