Communication
11.2 PROFINET
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
899
Connection Ethernet protocols
Every CPU has an integrated PROFINET port, which supports standard PROFINET
communications. The TUSEND and TURCV instructions support the UDP Ethernet protocol.
Refer to "Configuring the Local/Partner connection path" (Page 807)" in the "Device
configuration" chapter for more information.
Both partners are passive in UDP communication. Typical parameter start values for the
"TCON_Param" data type are shown in the following figures. Port numbers
(LOCAL_TSAP_ID) are written in a 2-byte format. All ports except for 161, 34962, 34963,
and 34964 are allowed.
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