Siemens SIMATIC S7-1200 CP 1243-8 IRC - WAN Parameters (Networking the CP)

Configuration
4.9 Serial interface
CP 1243-8 IRC
82 Operating Instructions, 02/2018, C79000-G8976-C385-03
4.9.4
WAN parameters (networking the CP)
Interfaces of the CP
The following figure shows both interfaces of the CP in the STEP 7 device icon (network
view):
X1
X2
Ethernet interface
Serial interface
Figure 4-1 Device icon of the CP with interface numbers
Networking interfaces
To network an interface depending on the initial situation you have different options:
● Creating a subnet
● Connecting two target devices via a new subnet
● Connecting devices to an existing subnet
● Selecting an existing subnet from the "Subnet" list
You will find the description of the individual methods in the STEP 7 information system.
Networking the serial interface
You will find the supported transmission options of the CP depending on the interface in the
section Overview: Connection to LAN / WAN (Page 59).
Recommendation networking:
To network the interfaces with a WAN network, the following procedure is recommended:
1. Network the WAN networks in the network view of STEP 7.
In the graphic network view, you have an overview of the subnets of the entire system in
the project.
2. First configure the interface parameters described in the section WAN settings (Page 70):
– WAN type
– Network type
– Network node type
– Modem type