Siemens S7-1200 Operating Instructions Manual page 56

Configuration and operation
4.12 Calling a TeleService connection
Settings for establishing a TeleService connection
In the dialog "Establish mobile wireless remote connection", enter the previously configured
data under the following headings:
● Telecontrol server / TeleService gateway...
● Selection whether the TeleService switching station is located on the PC of the
engineering station or in the network or can be reached via the Internet.
– In the latter case, enter the address of the TeleService server.
– Server password
● Authentication ...
– User name and password
– Here, enter the data for the TeleService user that you configured in STEP 7 in the
Requirements in the security configuration of the CP
For the remote station, TeleService can only be used if the engineering station (with CP
1628 or via SCALANCE S) and the CP are configured in a common VPN group.
For TeleService, you need to enable the option "Allow S7 protocol" in the IP rules of the
firewall configuration.
Procedure for connection establishment for TeleService
Note
No TeleService connection establishment using "Online" > "Go online"
If you attempt to establish a TeleService connection by selecting the CPU and then selecting
the menu or shortcut menu command "Online" > "Connect online", STEP 7 will automatically
attempt to connect via Ethernet. Reason: In STEP 7, the last connection path used to
download the project data is stored.
Note
TeleService to 1 station only from 1 TIA Portal instance
You can operate TeleService with an S7 station only from 1 engineering station (1 TIA Portal
instance; 1 STEP 7 project). TeleService by more than one engineering station at the same
time with 1 station is not possible.
56
IP address or name and port number of the telecontrol server that can be resolved by
DNS or of the TeleService gateway
If the option is enabled and the server password is configured in TCSB, enter the
password to authenticate the CP with the telecontrol server.
The server password is not required for TeleService via a TeleService gateway.
global Security settings, see also section Configuration of the TeleService access
(Page 45).
Operating Instructions, 01/2015, C79000-G8976-C381-01
CP 1243-7 LTE