Siemens SIMATIC ET 200AL System Manual page 756

Open User Communication
6.3 Instructions for Open User Communication
This FAQ (https://support.industry.siemens.com/cs/ww/en/view/58875807) describes how to
program the TCON instruction to set up a connection for Open User Communication
between two S7-1500 CPUs.
Protocols, system data types and employable instructions for programmed setup
The following table shows the protocols of the Open User Communication and the matching
system data types and instructions.
Table 6- 3
Protocol
TCP
ISO-on-TCP
ISO according to
ISO/IEC 8073 (Class
4)
UDP
FDL
Modbus TCP
E-mail
FTP
This protocol can only be used with the CM 1542-5
1
This protocol can only be used with the CP 1543-1
2
User-defined data type
3
70
Instructions for programmed setup of the connection
System data type
TCON_QDN
•
TCON_IP_v4
•
TCON_IP_RFC
•
TCON_ISOnative
•
TCON_Configured
•
TCON_IP_v4
•
TADDR_Param
•
TADDR_SEND_QDN
•
TADDR_RCV_IP
•
1
TCON_FDL
•
TCON_IP_v4
•
TCON_QDN
•
TMAIL_v4
•
TMAIL_v6
•
TMAIL_FQDN
•
2
FTP_CONNECT_IPV4
•
FTP_CONNECT_IPV6
•
FTP_CONNECT_NAME
•
Instructions
Establish connection and send/receive data
via:
TSEND_C/TRCV_C or
•
TCON, TSEND/TRCV or
•
1
TCON, TUSEND/TURCV
•
(connection can be terminated via
TDISCON)
Establish connection and send/receive data
via:
TSEND_C/TRCV_C
•
TUSEND/TURCV/TRCV
•
(connection can be terminated via
TDISCON)
Establish connection and send/receive data
via:
TSEND_C/TRCV_C or
•
TCON, TSEND/TRCV or
•
TCON, TUSEND/TURCV
•
(connection can be terminated via
TDISCON)
MB_CLIENT
•
MB_SERVER
•
TMAIL_C
•
FTP_CMD
3 •
3
3
Function Manual, 12/2017, A5E03735815-AF
Communication