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

Application and functions
1.9 Configuration examples
CP 1243-8 IRC
28 Operating Instructions, 02/2018, C79000-G8976-C385-03
Telecontrol communication - redundant paths
In this example an S7-1200 with a CP 1243-8 is connected to the master station via
redundant paths:
● One path via a dedicated line
● One path via the Internet
Other network combinations are possible.
As the master station TIM, a TIM 4R-IE is used here that uses the following interfaces:
● One Ethernet interface for connecting to the master station PC
● One Ethernet interface for connection to the Internet (via a SCALANCE M812 router)
● One serial interface for connection to the dedicated line modem MD2
The CP is connected via both interfaces:
● One Ethernet interface for connection to the Internet (via a SCALANCE M812 router)
● Serial interface with TS modules RS-232 for connection to the dedicated line
Figure 1-4 Communication of an S7-1200 via redundant paths

Siemens SIMATIC S7-1200 CP 1243-8 IRC Specifications

General

Product Type	Communication Processor
Series	SIMATIC S7-1200
Model	CP 1243-8 IRC
Data Transfer Rate	10/100 Mbps
Power Supply	24 V DC
Mounting	DIN rail
Dimensions (W x H x D)	45 mm x 100 mm x 75 mm
Digital Inputs Quantity	0
Digital Outputs Quantity	0
Supported Protocols	ISO-on-TCP
Interface	Ethernet
IP Addressing	Static, DHCP
Configuration	STEP 7 Basic/Professional
Operating Temperature	-20°C to +60°C
Weight	Approx. 200 g