Siemens Sinumerik 840D sl Function Manual page 326

DNC IFC SINUMERIK - Downloading NC Data via a Network (FBDN2)
5 Configuration file
DM  DNC file type conversion
In the DM  DNC file type conversion frame, the conversion of file types from
the Data management server PCU/MMC to the DNC system can be specified, or
existing conversions deleted or changed. The conversion is performed with the
transfer of the data from the data management server to the DNC system.
!
Important
The conversion is only performed when the Evaluation of the internal PCU path
is not performed in the DNC tab. Selection: No evaluation.
Only specify file types that are known in the DNC system (DNCDATATYPE table)
as DNC type.
Extract from the configuration file:
Section [DNCMMCTypeTab]
MMCDNCTypeCount = 2
MMCDNCType1=MPF TXT
MMCDNCType2=INI DOC
Note
DNCMMCTypeCount
FBDN2/5-44
= contains the number of file types that are converted.
Motion Control Information System DNC (FBDN) - 04/10 Edition
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05.07