Configuring Or Changing An Ip Address For A Cpu Or Device In Your Project - Siemens SIMATIC S7 System Manual

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Communication

8.4 Ethernet

Configuring or changing an IP address for a CPU or device in your project

You must enter the following IP information for each S7-200 SMART CPU that is attached to

your Ethernet network:

The CPU models CPU CR20s, CPU CR30s, CPU CR40s, and CPU CR60s have no

Ethernet port and do not support any functions related to the use of Ethernet

communications.

● IP address: Each CPU or device must have an Internet Protocol (IP) address. The CPU

or device uses this address to deliver data on a more complex, routed network. Each IP

address is divided into four 8-bit segments and is expressed in a dotted, decimal format

(for example, 211.154.184.16). The first part of the IP address is used for the Network ID

(What network are you on?), and the second part of the address is for the Host ID

(unique for each device on the network). An IP address of 192.168.x.y is a standard

designation recognized as part of a private network that is not routed on the Internet.

All S7-200 SMART CPUs have a default IP address of: 192.168.2.1

You must have a unique IP address for each device on your network.

System Manual, V2.3, 07/2017, A5E03822230-AF

S7-200 SMART

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