Siemens SIMATIC NET Guia do Utilizador descarregar pdf (Página 17)

Configuring a Topic Definition 13

Timeouts are needed for block services to supervise the reading of initial values and

updating the block items to this connection. A timeout value 0 disables the time

supervision of block messages. Block services are unconfirmed services. If the remote

station does not send data within this time range, the block service is reinitialized again

and an error message is displayed in the WWLogger.

Select if Alarms or Events will be available in this topic.

Note On one SIMATIC NET connection only Alarms or Events are possible. If you

need Alarms and Events in the same client application you need to create topics on two

different connections (VFD’s).

You can reach the Automatic Topic Generation dialog box using this button (refer to

the associated section to get help in generating topics automatically).

Click OK to save changes and close the dialog box.

Click Cancel to close the dialog box without changing current settings.

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Siemens SIMATIC NET Guia do Utilizador Página 17