Application and functions
1.6 Configuration examples
CP 1242-7 GPRS V2
Operating Instructions, 10/2016, C79000-G8976-C311-02
17
Below, you will find configuration examples for stations with a CP 1242-7 GPRS V2.
Figure 1-1 Sending messages by SMS from an S7-1200 station
The CP can send SMS messages to a mobile phone or a configured S7-1200 station and
receive from these nodes. The mechanisms for this are as follows:
● SMS messages generated and sent as the result of an event.
For a description of the configuration, refer to the sections Diagnostics and upkeep
(Page 105) and Messages (Page 83).
● SMS messages that are sent or received due to calling the corresponding program blocks
of Open User Communication.
You will find information on the blocks in the section Program blocks for OUC (Page 93),
you will find the description of the programming in the STEP 7 information system.
● Using a mobile phone, a diagnostics SMS can be requested, see section Diagnostics and
upkeep (Page 105).
For all mobile phones that send SMS messages to the CP, the authorize phone number
must be specified in the STEP 7 configuration of the CP (parameter group "Security >
Authorized phone number").
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