Siemens CP 1542SP-1, Руководство по эксплуатации

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Program blocks
5.1 Program blocks for OUC
CP 154xSP-1
Operating Instructions, 12/2019, C79000-G8976-C426-05
83
SDTs
Depending on the CP-specific security functions, the three CP types support the following
SDTs:
● SDTs for all three CP types
–
TCON_IP_V4
For transferring data via TCP or UDP
– TCON_QDN
For TCP or UDP communication via the fully qualified domain name (FQDN) (IPv4 /
IPv6)
– TCON_IP_RFC
For transferring data via ISO-on-TCP (direct communication between two S7 stations)
– TADDR_Param
For transferring data via UDP
– TMail_V4
For transferring e-mails addressing the e-mail server using an IPv4 address
– TMail_V6
For transferring e-mails addressing the e-mail server using an IPv6 address
– TMail_FQDN
For transferring e-mails addressing the e-mail server using its name (FQDN)
● Additionally for CP 1542SP-1 IRC and CP 1543SP-1
–
TMail_V4_SEC
For secure transfer of e-mails addressing the e-mail server using an IPv4 address
– TMail_V6_SEC
For secure transfer of e-mails addressing the e-mail server using an IPv6 address
– TMail_QDN_SEC
For secure transfer of e-mails addressing the e-mail server using the host name
Note on TMail_Vx_SEC / TMail_QDN_SEC:
With these SDTs, the mail server certificate is checked, but not the ID of the
"TLSServerCertRef" (STEP 7 internal reference) certificate.
● Additionally for CP 1543SP-1
–
TCON_IP_V4_SEC
For the secure transfer of data via TCP
– TCON_QDN_SEC
For the secure transfer of data via the host name
You will find the description of the SDTs with their parameters in the STEP 7 information
system under the relevant name of the SDT.