Networks Without Connection To The Company Network; Configuration 1: Ncu And Tcu - Siemens SINUMERIK 840D sl TCU 30.3 Equipment Manual

6.3.2

Networks without connection to the company network

6.3.2.1

Configuration 1: NCU and TCU

A direct Ethernet connection is used to connect a TCU to X120 of the NCU. NCU and TCU are
suitably preconfigured with IP addresses.
The IP addresses are not significant for further operation.
The TCU is connected to the NCU via a crossed Ethernet cable.
The direct connection of the NCU via X120 to the TCU automatically establishes a simple
system network consisting of two computer nodes.
TCU 30.3
Equipment Manual, 03/2023, A5E40874197B AD
Networking
6.3 Network configuration
53