Properties and functions
1.4 Requirements for use
1.4.2
Programming
Program blocks
For communications services, there are preprogrammed program blocks (instructions)
available as the interface in your STEP 7 user program.
Table 1- 1
Protocol
TCP
ISO-on-TCP
UDP
E-mail
Table 1- 2
Function
Configuration of the Ethernet
interface
For more detailed information, refer to section Program blocks for OUC (Page 34).
Refer to the documentation of the program blocks in the online help of STEP 7.
18
Instructions for communications services
Program block (instruction)
Establish connection and
send/receive data via:
TSEND_C / TRCV_C
•
or
TCON, TSEND / TRCV
•
(Termination of the connec-
tion possible using
TDISCON)
TCON, TUSEND/TURCV
•
(Termination of the connec-
tion possible using
TDISCON)
TMAIL_C
•
Instructions for configuration tasks
Program block (instruction)
T_CONFIG
•
System data type
TCON_IP_v4
•
TCON_Configured
•
TCON_QDN
•
TCON_IP_RFC
•
TCON_IP_v4
•
TCON_QDN
•
TMail_V4
•
TMAIL_FQDN
•
System data type
CONF_DATA
•
Operating Instructions, 07/2019, C79000-G8976-C355-04
CM 1542-1