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5
Startup with PROFINET IO
Industrial Ethernet networks
Manual – MOVI-C
®
CONTROLLER advanced with PROFINET IO Fieldbus Interface
47
5
Startup with PROFINET IO
5.1
Industrial Ethernet networks
5.1.1
TCP/IP addressing and subnetworks
The address of the TCP/IP protocol is set using the following parameters:
•
MAC address
•
IP address
•
Subnet mask
•
Standard gateway
The addressing mechanisms and subdivision of the TCP/IP networks into subnet-
works are explained in this chapter to help you set the parameters correctly.
5.1.2
MAC address
The MAC (
M
edia
A
ccess
C
ontroller) address is the basis for all address settings. The
MAC address is a worldwide unique 6‑byte value (48 bits) assigned to the Ethernet
device. The MAC address of Ethernet devices from SEW‑EURODRIVE is 00-0F69-xx-
xx-xx.
The MAC address is difficult to handle for larger networks. This is why freely as-
signable IP addresses are used.
5.1.3
IP address
The IP address is a 32-bit value that uniquely identifies a node in the network. An IP
address is represented by 4 decimal numbers separated by decimal points.
Each decimal number stands for 1 byte (8 bits) of the address and can also be repres-
ented using binary code:
Exemplary IP address: 192.168.10.4
Byte
Decimal
Binary
1
192
11000000
2
168
10101000
3
10
00001010
4
4
00000100
The IP address comprises a network address and a node address.
The part of the IP address that denotes the network and the part that identifies the
node is determined by the network class and the subnet mask.
24777730/EN – 01/2018