
B-65280EN/05 FANUC AC SPINDLE MOTOR βi series 5.FUNCTION DESCRIPTIONS
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5.1 INCRMENTAL COMMAND TYPE SPINDLE ORIENTATION
(SPINDLE ROTATION SPEED CONTROL)
Optional function
5.1.1 Overview
For this subsection, see Subsection 5.3.1, "Overview", in Part I.
5.1.2 System Configuration
The incremental command type spindle orientation function can be
used in the following system configuration.
(1) When the α position coder is used
[Sample system configuration]
Spindle motor with built-in M
i
sensor
(or MZ
i
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
(2) When the spindle motor with built-in MZi sensor is used
[Sample system configuration 1]
JYA2
SVPM
(TYPE A)
Spindle motor with built-in MZ
i
sensor
Spindle