Siemens SIMATIC ET 200AL, System Manual

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Functions
5.8 Direct data exchange
PROFINET with STEP 7
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Function Manual, 05/2021, A5E03444486-AL
10. Select the transfer area.
11. For "Partner address", select the existing address area in the sender as the output transfer
area.
Figure 5-88 Transfer area for direct data exchange of multiple IO controllers
A transfer area for direct data exchange between receiver 2 and the sender is configured.
Editing the transfer area
Set the properties of the transfer area under "General" > "Direct data exchange" > "Name of
transfer area" > "Detail of the transfer area".
Figure 5-89 Properties of the transfer area