5 Application example
5.7 Example program – DX-NET-PROFINET2-2 with TIA Portal
DX-NET-PROFINET2-2
01/22 MN040062EN
www.eaton.com
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5.7.4 Software configuration – program for cyclic and acyclic communication
5.7.4.1 Acyclic communication
With the help of the Siemens SINA_SPEED block, the variable frequency
drive can be controlled cyclically with the “Standard Telegram 1”.
The SINA_SPEED function block must be created and then called in OB1.
The SINA_SPEED function block is available in the DriveLib library.
Figure 51:
SINA_SPEED function block
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For details on how the SINA_SPEED function block works, refer
to the online help of the TIA Portal or the documentation for the
“DriveLib” library.
