Siemens Sinumerik 840D sl Function Manual page 330

DNC IFC SINUMERIK - Downloading NC Data via a Network (FBDN2)
5 Configuration file
PCU directory
The key parameter describes the drive or path of the SINUMERIK software.
Important
F: Is the drive of the PCU 50/70.
C: Is the drive of the MMC 103.
The drives are mandatory and can only differ for the installation on a PC. The
path in which the SINUMERIK software is expected, must then be specified.
Extract from the configuration file:
Section[PATHS]
MMCIniDrive = F:
Evaluation of the internal PCU path
This parameter controls the evaluation and generation of a header with an internal
path (Siemens program header) in the NC data file.

No evaluation (0)

Evaluation of a path (1)

Evaluation of several paths (2)
Extract from the configuration file:
Section[PATHS]
DriveInternPath = 2
FBDN2/5-48
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Motion Control Information System DNC (FBDN) - 04/10 Edition
05.07