
B–63523EN–1/03
9. SPINDLE SPEED FUNCTION
1003
There are two types of spindle motor control interfaces, spindle serial
output and spindle analog output.
The spindle serial output interface can control up to two serial spindles.
The spindle analog output interface can control one analog spindle.
The table below lists the relationships between the spindle control
interfaces and the configuration of the spindle.
Spindle serial
output
Spindle analog
output
First spindle Second spindle Third spindle
f f
First serial spindle
The PC can be used.
Second serial spindle
The PC can be used. (*)
Analog spindle
The PC cannot be used.
f ×
First serial spindle
The PC can be used.
Second serial spindle
The PC can be used. (*)
—
× f
Analog spindle
The PC can be used.
— —
× ×
See Section 9.1.
⇒ Controlled by the PMC using an external interface.
· PC = position coder
· (*) The multispindle function is necessary to use the position coder on
the second spindle.
· See section 15.4 or 9.10 for how to control the speed of the second and
third spindles.
· In addition, three or four serial spindles can be connected through the
use of the three/four–spindle serial output option.
Refer to Section 9.15 “Three/fourth?spindle serial output,” for details.
9.2
SPINDLE SERIAL
OUTPUT/SPINDLE
ANALOG OUTPUT
General