Fanuc Series 15i/150i-MA (Programming) Operators Manual

B-63324EN/03 PROGRAMMING 9.SPINDLE SPEED FUNCTION (S FUNCTION)
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Fig.9.3 spindle control system
- Least command increment(detection unit)
The table below indicates the least command increment for a spindle
positioning axis.
Table9.3 Least command increment
Gear ratio (1:p) of spindle to position
coder
Least command increment
(detection unit: deg)
1:1 0.088 (1×360/4096)
1:2 0.176 (2×360/4096)
1:4 0.352 (4×360/4096)
1:8 0.703 (8×360/4096)
::
1:N (N×360/4096)
Spindle
control
Spindle
amplifier
Spindle motor
Spindle
Gear ratio n:m
Error
counter
Gear ratio n:m
Position
coder

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