
B–63503EN–1/01
9. SPINDLE SPEED FUNCTION
443
3811 Maximum spindle speed for gear 1 of the second spindle
3812 Maximum spindle speed for gear 2 of the second spindle
[Data type] Word
[Unit of data] min
–1
[Valid data range] 0 to 32767
Set the maximum spindle speed for each gear of the second spindle.
NOTE
These parameters are used for the multi–spindle control.
WARNING
Do not switch between the first and second position coders
while a function that uses position coder feedback
information is being executed. That is, PMC signal PC2SLC
<G028#7> cannot be used while, for instance, a command
for feed per rotation or thread cutting is taking place.
CAUTION
1 If the primary spindle stop signal *SSTP for stopping all
selected (SWS1 to SWS2) spindles’ rotation is cleared, the
speed command is restored. A spindle not selected by
SWS1 to SWS2 and rotating at its previous speed, which is
stopped using its respective command *SSTP1 to *SSTP2,
cannot be restored to that speed when the signal is cleared.
2 Type A multi-spindle control differs from Type B in the
relationship between the SWS1 and SIND signals for the
first spindle. In Type B, SIND functions only when SWS1 is
set to “1”. In Type A, SIND functions whether SWS1 is “1”
or “0”; each spindle is selected by either of its respective
SWS1 or SIND signals being set to “1”.
Warning
Caution