Siemens SIMATIC ET 200AL, System Manual

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Functions
5.12 Docking systems
PROFINET with STEP 7
282
Function Manual, 05/2021, A5E03444486-AL
5.12.1 Configuring docking systems
Configuring docking systems
The possible connections to the individual IO devices must be configured in STEP 7.
Procedure in STEP 7
1. Configure your system as usual, but do not yet configure the topological interconnections of
the individual PROFINET devices.
2. Navigate to the "Topology view" tab.
3. Select the port which you want to operate with alternating partners during operation.
4. Navigate to the "Properties" tab of the inspector window and select "Port interconnection" in
the area navigation.
5. Under "Partner port", select the "Alternative partners" option.
6. Select the desired partner ports: To do this, click "<Add alternative partners... and choose a
partner port. Repeat this process until all required partner ports are connected.
Figure 5-110 Configuring docking systems in STEP 7
Tip: You can also use drag-and-drop operation to connect alternative partner ports in the
topology view.
Result
You have interconnected the respective port with one or more alternating IO devices. The
connections with the individual alternating partner ports during operation are shown in the
topology view by a green, dashed line.