Siemens SINUMERIK 840D sl Function Manual page 686

V2: Preprocessing
18.2 Program handling
In order to execute this program normally, the following machine data must specify at least 3
names:
MD28020 $MC_MM_NUM_LUD_NAMES_TOTAL
Six names are required to compile this program after POWER ON.
Preprocessed programs/cycles are stored in the dynamic NC memory. The space required for
each program must be flashed over unmodified as outlined above. Adjustment of the memory
mapping in the static NC memory is required only if bit 6 = 1 is set in the following machine
data:
MD10700 $MN_PREPROCESSING_LEVEL (program processing level)
In this case, the program compilations for which there is insufficient space in the dynamic NC
memory are stored in the static NC memory.
Examples for appropriate machine data settings can be found under "Examples" in the
Subsection "Preprocessing in the dynamic NC memory".
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Function Manual, 09/2011, 6FC5397-2BP40-2BA0
Special Functions