Easy to communicate between devices
7.9 GPRS
Easy Book
156 Manual, 03/2014, A5E02486774-AF
Connection to a GSM network
IP-based WAN communication via GPRS
Using the CP 1242-7 communications processor, the S7-1200 can be connected to GSM
networks. The CP 1242-7 allows WAN communication from remote stations with a control
center and inter-station communication.
Inter-station communication is possible only via a GSM network. For communication
between a remote station and a control room, the control center must have a PC with
Internet access.
The CP 1242-7 supports the following services for communication via the GSM network:
● GPRS (General Packet Radio Service)
The packet-oriented service for data transmission "GPRS" is handled via the GSM
network.
● SMS (Short Message Service)
The CP 1242-7 can receive and send SMS messages. The communications partner can
be a mobile phone or an S7-1200.
The CP 1242-7 is suitable for use in industry worldwide and supports the following frequency
bands:
● 850 MHz
● 900 MHz
● 1 800 MHz
● 1 900 MHz
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