
B–63523EN–1/03
9. SPINDLE SPEED FUNCTION
1216
NOTE
1 The multi–spindle function can control the speed of the
maximum four spindles and switch the feedback signal
between four position coders. It can operate without the
second, third, or four spindle (The fourth spindle can be
used only when the third spindle configured by a serial
spindle is provided.).
2 When the multi–spindle function is used with the M series,
the constant surface speed control option must be set, or
the spindle gear selection method must be set to type T with
GTT (bit 4 of parameter No. 3706).
3 These functions are provided by the spindle control unit.
They cannot be used unless supported by the spindle
control unit.
4 The multi–spindle function is required. The function cannot
be applied to the first to four spindles simultaneously.
5 When a two–path lathe is used, spindle polygon turning can
be performed using the spindle on tool post 1 and the
spindle on tool post 2.
6 The first, second, or third spindle can be selected and used
for rigid tapping. In this case, the multi–spindle function is
required. If the multi–spindle function is not available, rigid
tapping can be performed using the first spindle only.
7 For a two–path lathe application, the first spindle on tool
post 1 is the master, while the first spindle on tool post 2 is
the slave. At this time, the second to fourth spindles of either
tool post cannot be used in spindle synchronization. For a
two–path lathe application, when the second to fourth
spindles are used in spindle synchronization (when bit 4 of
parameter No. 3704 is set to 1), spindle synchronization
cannot be applied to the spindle on tool post 1 and the
spindle on tool post 2.
8 For a two–path lathe application, spindle simple
synchronous control cannot be applied to the spindle on tool
post 1 and the spindle on tool post 2.
9 The function used to change the spindle orientation stop
position (stop–position external–setting type spindle
orientation function) can be used by writing G signal
addresses from the PMC.
10 If the following optional functions are configured, an analog
spindle is handled as the first spindle.
S Spindle serial output : Not provided
S Third/fourth spindle serial output : Not provided
S Spindle analog output : Provided
11 If the following optional functions are configured, an analog
spindle is handled as the third spindle.
S Spindle serial output : Provided
S Third/fourth spindle serial output : Not provided
S Spindle analog output : Provided
(The first and second spindles are serial spindles.)