
B–63173EN–1/01
9. SPINDLE SPEED FUNCTION
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There are two types of spindle motor control interfaces, spindle serial
output and spindle analog output.
The spindle serial output interface can control one serial spindle. The
spindle analog output interface can control one analog spindle.
The table below lists the relationship between the spindles and functions.
f Available×Unavailable
Spindle
Function
Serial
spindle
Analog
spindle
Thread cutting/feed per revolution (synchronous
feed)
f f
Constant surface speed control
f f
Rigid tapping
f f
Spindle control unit functions (Note), such as
spindle orientation, spindle output switching,
spindle switching, and etc.
f f
Spindle output control by the PMC
f f
NOTE
These functions belong to the spindle control unit. They
cannot be used unless the spindle control unit supports
those functions.
The signals and parameters for spindle speed control are common to both
spindle serial output and spindle analog output. (See Section 9.3.)
The table below lists the differences related to direct control of the spindle
control unit.
9.2
SPINDLE SERIAL
OUTPUT/SPINDLE
ANALOG OUTPUT
General