HEIDENHAIN TNC 640 (34059x-04) - Manual (Page 508)

Manual operation and setup
15.3 Spindle speed S, feed rate F and miscellaneous function M
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TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 3/2014
15.3 Spindle speed S, feed rate F and
miscellaneous function M
Application
In the Manual Operation and El. Handwheel operating modes, you
can enter the spindle speed S, feed rate F and the miscellaneous
functions M with soft keys. The miscellaneous functions are
described in Chapter 7 "Programming: Miscellaneous functions."
The machine tool builder determines which
miscellaneous functions M are available on your
control and what effects they have.
Entering values
Spindle speed S, miscellaneous function M
To enter the spindle speed, press the S soft key
SPINDLE SPEED S=
Enter 1000 (spindle speed) and confirm your entry
with the machine START button.
The spindle speed S with the entered rpm is started with a
miscellaneous function M. Proceed in the same way to enter a
miscellaneous function M.
Feed rate F
After entering a feed rate F, you must confirm your entry with the
ENT key instead of the machine START button.
The following is valid for feed rate F:
If you enter F=0, then the lowest feed rate from the machine
parameter manualFeed is effective.
If the feed rate entered exceeds the value defined in the
machine parameter maxFeed , then the parameter value is
effective.
F is not lost during a power interruption