SEND/RECEIVE interface in the user program
4.2 Programming the SEND/RECEIVE interface
Configuring and commissioning S7 CPs for Industrial Ethernet
86 Configuration Manual, 09/2013, C79000-G8976-C182-13
Calling program blocks in the CPU program
One possible sequence for the program blocks along with the organization and program
blocks in the CPU cycle is shown below:
The following situation can be recognized:
● The user program that can consist of any number of program blocks (OBs, FBs or FCs -
see also /5/ (Page 229)) accesses multiple connections. The figure above shows 3
connections.
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