Communications services
3.6 Secure Communication
Communication
76
Function Manual, 05/2021, A5E03735815-AJ
To set up a secure TCP connection to a TLS client, follow these steps:
1.
Create a global data block in the project tree.
2.
Define a tag of the data type TCON_QDN_SEC in the global data block.
The example below shows the global data block "Data_block_1" in which the tag
"DNS ConnectionSEC" of the data type TCON_FDL_SEC is defined.
Figure 3-21 TCON_QDN_SEC_Server
3.
Set the connection parameters of the TCP connection in the "Start value" column. Enter, for
example, the local ID of the TCP connection for "ID".
Содержание SIMATIC ET 200AL
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