Siemens SIMATIC S7-1500 Function Manual page 29

Communications services
3.4 Setting up a connection
Setting up a programmed connection
You set up the programmed connection in the program editor of STEP 7 in the context of a
CPU by assigning instructions for communication, for example TSEND_C.
When specifying the connection parameters (in the Inspector window, in the properties of the
instruction), you are supported by the easy-to-use user interface.
Figure 3-1 Programmed setup
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Function Manual, 11/2019, A5E03735815-AH
Communication