CP 1242-7 GPRS V2
Operating Instructions, 10/2016, C79000-G8976-C311-02
7
Preface ................................................................................................................................................... 3
1 Application and functions ........................................................................................................................ 9
1.1 Connecting the S7-1200 to a GSM network ............................................................................. 9
1.2 Communications services ....................................................................................................... 10
1.3 Other services and properties ................................................................................................. 11
1.4 Performance data and configuration limits ............................................................................. 13
1.5 Requirements for operation .................................................................................................... 15
1.6 Configuration examples .......................................................................................................... 17
2 LEDs and connectors ............................................................................................................................ 23
2.1 Opening the housing ............................................................................................................... 23
2.2 LEDs ....................................................................................................................................... 24
2.3 Electrical connections ............................................................................................................. 27
2.3.1 Wireless interface ................................................................................................................... 27
3 Installation, connecting up, commissioning ............................................................................................ 29
3.1 Important notes on using the device ....................................................................................... 29
3.1.1 Notices on use in hazardous areas ........................................................................................ 29
3.1.2 Notes on use in hazardous areas according to ATEX / IECEx .............................................. 30
3.1.3 Notices regarding use in hazardous areas according to UL HazLoc ..................................... 31
3.2 Installing the CP and commissioning ...................................................................................... 31
4 Configuration and operation .................................................................................................................. 37
4.1 Notes on operation .................................................................................................................. 37
4.2 Security recommendations ..................................................................................................... 37
4.3 Configuration in STEP 7 ......................................................................................................... 40
4.4 Information required for configuration ..................................................................................... 41
4.5 Connection establishment ...................................................................................................... 43
4.6 Acknowledgment ..................................................................................................................... 44
4.7 The wake-up SMS .................................................................................................................. 44
4.8 Time-of-day synchronization ................................................................................................... 46
4.9 STEP 7 configuration .............................................................................................................. 48
4.9.1 Communication types ............................................................................................................. 48
4.9.2 Mobile wireless communications settings ............................................................................... 49
4.9.3 Ethernet interface (X1) ............................................................................................................ 50
4.9.4 Partner stations ....................................................................................................................... 53
4.9.4.1 Partner stations > Telecontrol server ...................................................................................... 53