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Siemens SIMATIC S7-1200 CP 1243-8 IRC User Manual

Siemens SIMATIC S7-1200 CP 1243-8 IRC
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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

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Siemens SIMATIC S7-1200 CP 1243-8 IRC Specifications

General IconGeneral
Product TypeCommunication Processor
SeriesSIMATIC S7-1200
ModelCP 1243-8 IRC
Data Transfer Rate10/100 Mbps
Power Supply24 V DC
MountingDIN rail
Dimensions (W x H x D)45 mm x 100 mm x 75 mm
Digital Inputs Quantity0
Digital Outputs Quantity0
Supported ProtocolsISO-on-TCP
InterfaceEthernet
IP AddressingStatic, DHCP
ConfigurationSTEP 7 Basic/Professional
Operating Temperature-20°C to +60°C
WeightApprox. 200 g

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