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1.6.3
Program blocks
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 AUTOHOTSPOT.
Refer to the documentation of the program blocks in the online help of STEP 7.
See also
Program blocks for OUC (Page 43)
SIMATIC CM 1542-1
Operating Instructions, 04/2023, C79000-G8976-C355-05
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
connection possible using
TDISCON)
•
TCON, TUSEND/TURCV
(Termination of the
connection possible using
TDISCON)
•
TMAIL_C
Instructions for configuration tasks
Program block (instruction)
•
T_CONFIG
Properties and functions
1.6 Requirements for use
System data type
•
TCON_IP_v4
•
TCON_Configured
•
TCON_QDN
•
TCON_IP_RFC
•
TCON_IP_v4
•
TCON_QDN
•
TMail_V4
System data type
•
CONF_DATA
21
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