Siemens SIMATIC CC712, Руководство по эксплуатации

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Configuration
4.9 Cloud configuration
SIMATIC CC712
Operating Instructions, 05/2019, C79000-G8976-C503-01
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● Authentication
–
Select the option if you want to use a connection setup with authentication.
Authentication takes place via user name and password.
– When the option is disabled, the connection is established anonymously.
● User name
Enter the user name that was assigned by your service provider or that you defined.
● Password
Enter the password assigned by your service provider or that you defined.
● Clean session
–
When the option is enabled, the session information is deleted when the connection is
terminated.
– When the option is disabled, the session information is retained when the connection
is terminated.
● TLS
–
When the option is enabled, the data is transferred using the secure TLS method.
The default port for encrypted transmission is 8883.
When the option is enabled, the parameter group for importing the broker certificate is
displayed, see section Certificates (Page 64).
– When the option is disabled, the data is transferred unencrypted.
The default port for unencrypted transmission is 1883.
● TLS version
From the drop-down list, select the TLS protocol version you wish to use that is also
supported by the broker.
● Last will / testament
–
When the option is enabled, the functions "Last will" and "Testament" are released.
– When the option is disabled, the use of both functions is disabled.
The functions have the following meaning:
–
Last will
If the connection between device and broker is terminated, a message can be sent to
the subscribers.
As soon as the broker (server) detects that the connection to the device (client) was
terminated, it sends a message (testament) to all subscribers that have registered for
this topic on the broker.
– Testament
The testament is the content of the message that is sent to the subscribers registered
on the broker for this topic when the connection is terminated.
The testament message is saved on the broker.