
B–63523EN–1/03
9. SPINDLE SPEED FUNCTION
1051
NOTE
1 The spindle commands include S code commands,
maximum speed command (G50S__), M03, M04, M05, and
constant surface speed control commands (G96 and G97)
2 Signals to operate the spindle control unit are not affected
by the spindle command select signals SLSPA<G063#2> or
SLSPB<G063#3>. They may be processed in the PMC
ladder, as required.
(Example: SFRA <G070#5>is always a forward rotation
command for the first spindle control amplifier of
tool post 1.)
3 The machine tool builder should prepare an external circuit
to distribute and select position coder feedback signals for
the analog spindle.
Note