Siemens S7-1200 User Manual

Application and properties
1.3 Other services and properties
CP 1243-7 LTE
14 Operating Instructions, 01/2015, C79000-G8976-C381-01
S7 communication
Reading / writing data from / to a CPU via the mobile wireless network is possible if S7
communication is enabled in the configuration of the CP.
The following instructions are supported:
● PUT / GET
You will find details on the program blocks in the information system of STEP 7
For S7 communication, the CP requires a fixed IP address, see section Other services and
properties (Page 14).
TeleService via the mobile wireless network
TeleService is possible if the online functions are enabled in the configuration of the CP.
A TeleService connection can be established between an engineering station (PC with
STEP 7) and a remote S7-1200 station via the mobile wireless network and the Internet.
You can use the TeleService connection for the following purposes:
● Downloading project or program data from the STEP 7 project to the station
● Querying diagnostics data on the station
You will find application examples of the structure in the section Configuration examples
(Page 21).
For more detailed information, refer to section Calling a TeleService connection (Page 55).
1.3
Other services and properties
Other services and properties
●
Data point configuration
Due to the data point configuration in STEP 7, programming program blocks in order to
transfer the process data is unnecessary. The individual data points are processed one-
to-one in the control system.
●
IP configuration
The CP is assigned a dynamic or a fixed IP address by the mobile wireless network
provider:
– Dynamic IP address
When using telecontrol communication, the mobile wireless network provider generally
assigns the CP a dynamic IP address. You set this in STEP 7 in the parameter group
"Ethernet interface > Ethernet addresses".
– Fixed IP address
To use S7 communication or to receive data via Open User Communication, the CPU
must be reachable via a fixed IP address. In this case, enter the fixed IP address
assigned by the mobile wireless network provider in the same parameter group.

Siemens S7-1200 Specifications

General

Digital Inputs	Integrated in CPU or via signal modules (SM)
Digital Outputs	Integrated in CPU or via signal modules (SM)
Analog Inputs	Integrated in CPU or via signal modules (SM)
Analog Outputs	Integrated in CPU or via signal modules (SM)
Communication	PROFINET
Communication Ports	1 x PROFINET
I/O Modules	Signal Modules (SM)
Programming	STEP 7
Power Supply	24V DC
Operating Temperature	0°C to 55°C
Expansion Modules	Communication Modules (CM), Battery Modules (BM)