Temporarily Disconnecting Devices From A Network - Siemens S7-1200 System Manual

STEP 7 programming software
2.3 Easy-to-use tools
2.3.11

Temporarily disconnecting devices from a network

You can disconnect individual network devices from the subnet. Because the configuration of
the device is not removed from the project, you can easily restore the connection to the
device.
STEP 7 reconfigures the network connections, but does not remove the disconnected device
from the project. While the network connection is deleted, the interface addresses are not
changed.
When you download the new network connections, the CPU must be set to STOP mode.
To reconnect the device, simply create a new network connection to the port of the device.
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Right-click the interface port of the network
device and select the "Disconnect from
subnet" command from the context menu.
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG