CP 1242-7 V2
Operating Instructions, 05/2014, C79000-G8976-C311-00
7
Table of contents
1
Application and properties .............................................................................................................. 9
1.1
Connecting the S7-1200 to a GSM network .............................................................................. 9
0
Applications .......................................................................................................................................... 10
1.3
Other properties of the CP ...................................................................................................... 11
1.4
Performance data ................................................................................................................... 11
1.5
Requirements for operation .................................................................................................... 13
2
Configuration examples ................................................................................................................ 15
3
LEDs and connectors ................................................................................................................... 21
3.1
Opening the housing .............................................................................................................. 21
3.2
LEDs ...................................................................................................................................... 22
3.1
Electrical connections ............................................................................................................. 25
4
Installation, connecting up, commissioning ..................................................................................... 27
4.1
Important notes on using the device ....................................................................................... 27
4.2
Installing and commissioning the CP ...................................................................................... 29
4.3
Pin assignment of the socket for the external power supply .................................................... 34
5
Notes on configuration and operation ............................................................................................. 35
5.1
Modes and communications partners of the CP 1242-7 V2 ..................................................... 35
5.2
Connection modes and connection establishment .................................................................. 36
5.3
The wake-up SMS .................................................................................................................. 37
5.4
Calling a TeleService connection ............................................................................................ 39
5.5
Connection monitoring, data buffering, acknowledgement ...................................................... 40
5.5.1
Redial delay (STEP 7) ............................................................................................................ 40
5.5.2
Connection monitoring time .................................................................................................... 41
5.5.3
Frame buffer and acknowledgement ....................................................................................... 42
5.6
Data transfer between communications partners .................................................................... 43
5.6.1
Sending from station to station ............................................................................................... 43
5.7
Main and substitute telecontrol server ..................................................................................... 43
5.8
Reading out time by CPU ....................................................................................................... 44
6
Configuration and programming .................................................................................................... 45
6.1
Configuration in STEP 7 ......................................................................................................... 45
6.2
Information required for configuration ..................................................................................... 45
