Fig. 1-2: Configuration Example Of A Local Dnc Concept (Dnc Cell) - Siemens Sinumerik 840D sl Function Manual

05.07
1.2.4 DNC Cell

Fig. 1-2: Configuration example of a local DNC concept (DNC Cell)

DNC Cell is a single-user NC data archive solution that facilitates NC data
management.
Interfaces

Up to 16 CNC machines / tool setting devices can be connected to different
controllers by means of a serial interface.

Over the network (transmission protocol: TCP/IP), up to 16 Ethernet-capable
CNC machine tools can also be connected directly.

SINUMERIK* controllers via DNC IFC SINUMERIK

Any Ethernet-capable CNC machine tools that can be supplied with NC
data via a Windows file system (DNC IFC file system).
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Motion Control Information System DNC (FBDN) - 04/10 Edition
DNC Plant/DNC Cell (FBDN1)
1 Introduction
FBDN1/1-17