SIEMENS AG PRODAVE S7
Toolbox for Data Link PGs/PCs to SIMATIC S7
60
A modem connection is basically only estalblished with the TeleService functions.
There are two possibilities in order to establish the connections
o actively by the PG/PC using the ts_dial function
When access protection is activated the TS-Adaptor checks the specified password.
Providing the password is correct, the connection is established either immediately or
after re-dialling from the TeleService Adaptor (depending on TeleService
parameterisation).
The function ts_dial returns the connection status and / or in the event of an
asynchronous call of function ts_dial the message TS_CONNECTED (connection
established) or TS_DISCONNECTED (connection not established) is sent to the
specified window only after the connection is established or if the TeleService
Adaptor replies with error (e.g. password not correct).
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