Siemens S7-1200 Operating Instructions Manual page 57

Note
Canceling a TeleService connection when calling online dialogs
An existing TeleService connection is canceled when you attempt to access an additional
station or a node.
When there is an existing TeleService connection, do not select any of the menu commands
"Go online", "Online & Diagnostics", "Load to device", "Extended download to device" or
"Accessible nodes".
Follow the steps below to establish a TeleService connection to the remote station via the
mobile wireless network from the engineering station:
1. Select the CPU of the remote station in the STEP 7 project.
2. Select the "Online" > "Online & Diagnostics" menu.
The "Online access" dialog opens.
3. Choose the entry "TeleService via mobile wireless" in the "Type of interface" drop-down
list.
4. Choose the entry "Mobile wireless TeleService board" in the "PG/PC interface" drop-
down list.
5. Click on the
The "Establish remote connection" dialog box opens.
6. Make the necessary entries in this dialog.
You will find information on the necessary entries in the tooltips of the STEP 7 online
help.
Terminating a TeleService connection
On completion of the TeleService session, terminate the TeleService connection again using
the "Go offline" button. The connection is terminated after approximately 5 minutes.
User data connections and TeleService
Connections between a CP and telecontrol server for transferring user data are not
interrupted by a TeleService connection.
CP 1243-7 LTE
Operating Instructions, 01/2015, C79000-G8976-C381-01
icon next to the "PG/PC interface" drop-down list.
Configuration and operation
4.12 Calling a TeleService connection
57