
B–63523EN/03
6. SPINDLE CONNECTION
133
(Path 2)
First serial
spindle on
sub–CPU board
Second serial
spindle on
sub–CPU board
Third serial
spindle on
sub–CPU board
Fourth serial
spindle on
sub–CPU board
Analog output
on sub–CPU
board
Position coder
(for analog
spindle)
f f f
f f f
f f
For two–path control using one CPU with Series 18i
(The interface on the main board is shared by path 1 and path 2.)
First serial
spindle on main
board
Second serial
spindle on main
board
Third serial
spindle on main
board
Fourth serial
spindle on main
board
Analog output
on main board
Position coder
(for analog
spindle)
f Path 1 f Path 1 f Path 1
f Path 1 f Path 1 f Path 2
f Path 2 f Path 2 f Path 1
f Path 1 f Path 1 f Path 2
f Path 2 f Path 2 f Path 1
For Series 21i
First serial
spindle on main
board
Second serial
spindle on main
board
Third serial
spindle on main
board
Fourth serial
spindle on main
board
Analog output
on main board
Position coder
(for analog
spindle)
f f
f f
f f
NOTE
1 When the spindle function is used on the sub–CPU board,
the option for analog output or serial output is always
required on the main board.
2 For connection between a spindle amplifier and spindle
motor and connection between a spindle amplifier and
position coder, refer to the relevant manual for the SPINDLE
MOTOR α Series.