
2.EXPLANATION OF OPERATION MODES FANUC AC SPINDLE MOTOR αCi series B-65280EN/05
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2.4.2 Overview
For this subsection, see Subsection 2.5.2, " Overview ", in Part I.
2.4.3 System Configuration
The system configurations that enable the use of the spindle
synchronous control function are shown below.
(1) When the α position coder is used
Spindle
position coder
Directly connected or connected with a gear or timing
belt at a ratio of 1:1
JYA3
SPMC
JA7A
JA7B
JYA2
CNC
1st s
indle
2nd s
indle
JYA3
SPMC
JA7B
JYA2
Directly connected or connected with a gear or timing
belt at a ratio of 1:1
Spindle
position coder
Temperature
sensor
C
i
spindle motor
Temperature
sensor
C
i
spindle motor
NOTE
The spindle sensor (separate detector) usable with
the αCi series spindle amplifier is a position coder
only.
2.4.4 Explanation of Operation
For this subsection, see Subsection 2.5.4, "Explanation of Operation ",
in Part I.