82 96-8000
June 1999
OPERATION
3.6 MACHINE D EFAULTS
A default is an automatic function of the machine tool control. When powering up the machine, the control
looks for the home position of all axes, then will read the default values or the preset G codes. If you have ever
wondered why the machine went to the part zero that was entered in the G54 when it was never specified in the
actual program, it is because the machine automatically reads G54 upon start-up. That is a default.
The defaults for the Haas mill are indicated by an asterisk ( * ) in the "Preparatory Functions (G Codes)"
section of this manual.
The control automatically reads these G codes when power is turned on:
G00 Rapid traverse
G17 X,Y plane selection
G40 Cutter Compensation cancel
G49 Tool length compensation cancel
G54 Work coordinate zero #1 (1 of 26 available)
G64 Exact stop cancel
G80 Canned cycle cancel
G90 Command absolute programming
G98 Canned cycle initial point return
There is no default FEED RATE (F code), but once an F code is programmed, it will apply until another is
entered or the machine is turned off.
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