Siemens SIMATIC ET 200AL System Manual page 1638

3. Move the pointer.
The pointer now uses the networking symbol to indicate "Interconnecting" mode. At the
same time, you see the lock symbol on the pointer. The lock symbol disappears only when
the pointer is over a valid target position.
4. Now drag the pointer to the target port. You can keep the left mouse button pressed or
release it when performing this action.
5. Now release the left mouse button or press it again (depending on your previous action).
Figure 3-15
Result
You have created a port interconnection.
PROFINET with STEP 7
Function Manual, 05/2021, A5E03444486-AL
Interconnecting ports in the topology view
Parameter assignment/addressing
3.5 Configuring topology
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