HEIDENHAIN MANUALplus 4110 - Manual (Page 400)

400 6 DIN Programming
6.26 Pr
ogr
amming V
a
ri
ables
Information contained in variables
„ V901, V902 and V919 are used for the G functions G901, G902 and
G903 (see table).
Note on interpreter stop (G909)
The MANUALplus pre-interprets approx. 15 to 20 NC blocks. If
variables are assigned shortly before the evaluation, "old values" would
be processed. An interpreter stop ensures that the variables contain
the new value.
G909 stops the pre-interpretation. The NC blocks are processed up to
G909—after G909 the subsequent NC blocks are processed.
Variable assignment
Slide 1 (X, Z) V901 V902
C axis V919
„ X values are saved as radius values.
„ Note: Functions G901, G902 and G903 overwrite the
variable! This also applies to variables that have not yet
been evaluated.
„ Program an interpreter stop if variables or external
events are modified shortly before the block is run.
„ Each interpreter stop lengthens the run time of the NC
program.
„ Several G functions include the interpreter stop.