Siemens SINUMERIK 840D sl OP 010 Manual page 41

Restricting the available address band that is managed by the DHCP server of the NCU frees
up IP addresses 192.168.214.2 to 192.168.214.9 as well as addresses 192.168.214.241 to
192.168.214.254 for network nodes with fixed IP addresses.
On X130, the NCU is set as a default DHCP client for the address reference from a company
network. The IP address received here is specified by the DHCP server from the company
network.
On X127, an NCU is a standard DHCP server (in contrast to the SINUMERIK DHCP server).
On X127, the NCU has the fixed IP address 192.168.215.1 with the subnet mask
255.255.255.224). The IP addresses 192.168.215.2 – 192.168.215.23 are dynamically
assigned to the DHCP clients. The range 192.168.215.24 - 192.168.215.30 is reserved, and
can be used by stations on the network with a fixed IP address, e.g. by a modem.
Reserved IP addresses for NCU and PCU
The following defaults apply on delivery:
● Connection to the system network with subnet mask 255.255.255.0:
IP address
192.168.214.1
192.168.214.2 – 9
192.168.214.10 – 239
192.168.214.240
192.168.214.241
192.168.214.242 – 249
192.168.214.250 – 254
● Service connection with subnet mask 255.255.255.224:
IP address
192.168.215.1
192.168.215.2 – 23
192.168.215.24 – 30
Operator panel front: OP 010
Manual, 07/2018, A5E36371538B
The NCU has three Ethernet connections:
- X120 to connect to the system network with an active DHCP serv‐
er (Eth 0)
- X130 to connect to the company network as a default DHCP client
(Eth 1)
- X127 as a service connection with an active DHCP server (Ibn 0)
Network station
NCU on X120
For additional NCUs with a fixed IP address on
the system network
For additional TCUs, subsequently for additional
PCUs, NCUs, MCPs, MPPs
Reserved for EKS (Electronic Key System)
Fixed IP address of the PCU on Eth 2
For additional PCUs with a fixed IP address
For PGs with a fixed IP address (service con‐
nection)
Network station
NCU on X127
for service purposes with PG, PC
fixed IP address, for example for a modem
General information and networking
1.4 Networking
Remark
Default
Unassigned
DHCP clients
Default
Default
Unassigned
Unassigned
Remark
Default
DHCP clients
Unassigned
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