Network Configuration; Permissible Network Topologies - Siemens SINUMERIK 840D sl Manual

Networking

5.3 Network configuration

5.3 Network configuration
5.3.1

Permissible network topologies

Ethernet connection
A SINUMERIK 840 D sl can only be operated as a network within which the individual
components communicate with one another via Ethernet connections. This network must be
set up.
The individual components are factory-set so that the most frequently occurring standard
configurations can be operated without changing the settings related to the network.
Division into system network and company network
On the SINUMERIK solution line, the components are generally split into a company network
on the one hand and a system network on the other.
The connection to the company network provides access to the network drives, for example.
On the system network, process data communication and image transmission runs from the
components with operator software to the display units of the respective TCU.
This separation is performed via the following specified use of the Ethernet interfaces on the
components:
● A TCU is connected exclusively to the system network.
● An NCU is always connected to the system network via X120.
● Ethernet interface Eth 2/X2 of the PCU/IPC is preconfigured for connection to the system
network; while Ethernet interface Eth 1/X1 is used for connection to the company network.
● An NCU is connected to the company network via X130.
Meaning of the connections:
Green connection
Gray connection
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○ Eth 1/X1 as DHCP client
● Eth 2/X2 as DHCP server
■ Eth 2/X2 with fixed IP address
Uncrossed Ethernet cable
Crossed Ethernet cable (crossover)
Operator panel front: OP 012
Manual, 05/2019, A5E36371591B AB