Siemens Sinumerik 840D sl Function Manual page 78

DNC Plant/DNC Cell (FBDN1)
4 NC data management
Automatic import
Files can also be imported with header data automatically. The format of the
header data is the same as that used when files are imported manually with header
data.
Note
In the case of an automatic import, the header does not need to define all the
database fields.
At least the following database fields must be specified:

NCDATANAME

DNCDATATYPE

VERSION

NODENAME

WORKPIECE (only relevant if the NC data refers to a workpiece)
If the NC data imported automatically is to belong to machine 2 in group 1, for
example, the following definition must be set:
...
NODENAME=Group1/Machine2
If the NC data belongs to a cylinder head workpiece, which belongs to machine 5 in
group 1, the following must be defined:
...
NODENAME=Group1/Machine5
NCDATANAME=Butterfly
WORKPIECE=CylinderHead
When DNC is set up, the import directory for the NC data files is defined via a
dialog. The file types for the automatic import are defined as follows:

File type of the import file: .imp

File type after successful automatic import: .iok

File type after unsuccessful automatic import: .ier
FBDN1/4-70
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Motion Control Information System DNC (FBDN) - 04/10 Edition
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05.07