Siemens Sinumerik 840D sl Function Manual page 80

DNC Plant/DNC Cell (FBDN1)
4 NC data management
1)
If a version that already exists is assigned, it is overwritten. If no version is
specified, the set automatic import strategy decides whether the data is
imported. When the data is imported, the next available version number is
assigned. If the maximum number of versions is exceeded, the version with the
oldest modification date that has not been released, is deleted.
The automatic import strategy can be set in the DNCGLOBALSETTINGS table:
Parameter AutoImportStrategy =0 -> import is not performed when version is
Parameter AutoImportStrategy =1 -> import is performed when version is
2)
These lines may occur several times.
3)
EITHER the path to a file with the NC data file must be specified
(NC FILE=...), OR the entire block with the NC data
(NC START .... NC END). If the entire NC data file is integrated in the import file
(NC START ... NC END), the import file may not be a UNICODE file
(pure ASCII).
FBDN1/4-72
missing.
missing.
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Motion Control Information System DNC (FBDN) - 04/10 Edition
05.07