G Function Overview - Siemens SINUMERIK 802D Training Manual

Section 2
2.1

G function overview

G function (preparatory function).
The G functions are divided into G groups.
Only one G function from each group can be written in a single block.
A G function can either be modal (until canceled by another function from
the same group), or non-modal (only effective for that block it is written
in).
Modal example:
G00 G90 G94 G40 G17
T1 D1
G54 S1000 M03
G01 X0.0 Y0.0 Z0.0 F200
X100.0
Y100.0
X0.0
Y0.0
G00 Z50.0
M30
At this block the speed
of motion will change
due to the change of the
G function group, from
Non-modal example:
G00 G90 G94 G40 G17
T2 D1
G54 S1000 M03
X0.0 Y0.0 Z50.0
G01 Z0.0 F200
G04 F10.0
G00 Z50.0
M30
SINUMERIK 802D sl Operating and Service Training Manual
G function overview
These blocks are per-
formed at a given feed
rate, because G01 is
modal and will not
change until another
code from the same
group is entered
G01 to G00.
This G function is only
effective in this block, to
use this function again
you must type it in again
in another block.
Page 2
Notes
C89
C89