Siemens SIMATIC S7-1500 Function Manual page 72

Setting up the connection with connection configuration
When setting up through the configuration of the connection, the address parameters of the
connection are specified in the hardware and network editor of STEP 7.
To send and receive the data, use the same instructions as when the connections are set up
by programming:
Table 6- 4
Protocol
Supported instructions:
TCP
ISO-on-TCP
ISO according to ISO/IEC 8073
(Class 4)
UDP
FDL
Modbus TCP
E-mail
FTP
Additional instructions for open communication
You can use the following instructions for connections set up in the user program as well as
for configured connections:
● T_RESET: Terminating and establishing a connection
● T_DIAG: Check the connection
Basic examples for Open User Communication
The Siemens Online Support offers you function blocks (FBs) that facilitate the handling of
the instructions of the Open User Communication. You can find the function block with
corresponding examples on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/109747710).
Communication
Function Manual, 11/2019, A5E03735815-AH
Instructions for sending/receiving with configured connections
6.3 Instructions for Open User Communication
Send/receive with configured connections
Send/receive data via:
TSEND_C/TRCV_C or
•
TSEND/TRCV or
•
TUSEND/TURCV
•
Send/receive data via:
TSEND_C/TRCV_C or
•
TUSEND/TURCV
•
Send/receive data via:
TSEND_C/TRCV_C or
•
TSEND/TRCV or
•
TUSEND/TURCV
•
Not supported
Not supported
Not supported
Open User Communication
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