Per default, the PROFINET-stack will be handled the complete startup phase by itself. However, it is possible to get this responsibility to the application. With the registration of the application on the stack the indications handling will be enabled. In this case the application needs to handle some indications from the PROFINET stack. That the communication can be start all the indications needs to be handled respectively needs to responsible. These examples show the registration itself and how the application handled the indications.
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