Online Functions And Teleservice - Siemens SIMATIC NET TeleControl S7-1200 CP 1243-1 Operating Instructions Manual

5.3

Online functions and TeleService

Online functions and TeleService
Along with STEP 7 on the engineering station (ES) the CP provides various diagnostics and
maintenance functions under the following terms:
● Online functions
Access from the ES to the station via LAN
Requirement: The ES and the CP are located in the same subnet.
● TeleService
Access from the ES to the station via WAN (Internet)
Requirement: The CP is connected to the telecontrol server and can be reached via this
path Refer to the information in section Access to the Web server (Page 90).
For a remote station located in a different IP subnet or that can be reached via the
Internet, these functions can only be used if the ES (with CP 1628 or via SCALANCE S)
is connected to the station via a VPN tunnel.
Connections between a CP and telecontrol server for transferring user data are not
interrupted by a TeleService-connection.
The functions and the connection establishment are largely the same with the online
functions and TeleService.
Note
Transmission time with TeleService
Note that transferring larger amounts of data via WAN (Internet) can take a very long time.
If there are disruptions or interruptions of the transmission path this can lead to the data
transmission being aborted.
Connection establishment to use the online functions via Ethernet
Procedure:
1. Connect the ES to the network.
2. Open the relevant STEP 7 project on the ES.
3. Select the CP or the CPU of the station whose CP you want to update with new firmware.
4. Enable the online functions using the "Connect online" icon.
5. In the "Connect online" dialog, go to the Choose the entry "TeleService via telecontrol" in
the "Type of PG/PC interface" drop-down list.
6. In the "PG/PC interface" drop-down list select the entry "TeleService board".
7. In the table select the CP if it is not already selected.
The path both via the CP or the CPU is possible.
CP 1243-1
Operating Instructions, 12/2016, C79000-G8976-C365-02
Diagnostics and upkeep
5.3 Online functions and TeleService
93