Application and properties
1.6 Configuration examples
CP 1243-1
Operating Instructions, 12/2016, C79000-G8976-C365-02
17
Configuration examples
Telecontrol with a non-redundant master station (TCSB)
Figure 1-1
Communication between S7 stations and a master station (TCSB)
In the telecontrol applications of the example shown, SIMATIC S7 stations communicate with
a non-redundant telecontrol server (TCSB) in the master station.
● Telecontrol communication between stations and master station
The communication is via the following paths and communications modules:
– Communication via the Internet: S7-1200 with CP 1243-1
– Communication via the GSM network and the Internet: S7-1200 with CP 1242-7 or
S7-200 with MODEM MD720
The establishment of terminal connections with encryption is initiated automatically by the
telecontrol protocol used by the various communications modules.
The creation of VPN connections between the CP 1243-1 and telecontrol server is
optional.
The telecontrol server monitors the connections established by the remote stations.
● Inter-station communication
Stations of the same type, for example S7-1200 with CP 1243-1, can communicate with
each other by sending the frames via the telecontrol server.
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