Program Blocks For Ouc - Siemens S7-1500 Operating Instructions Manual

Configuration, programming

4.6 Program blocks for OUC

Configuration
For more detailed information on configuration, refer to the STEP 7 online help of the "Time-
of-day synchronization" parameter group.
4.6 Program blocks for OUC
Programming Open User Communication (OUC)
The instructions (program blocks) listed below are required for the following communication
services via Ethernet:
● ISO transport
● TCP
● ISO-on-TCP
● UDP (Multicast)
● E-mail
For this, create suitable program blocks. The program block can be found in STEP 7 in the
"Instructions > Communication > Open user communication" window.
You will find details on the program blocks in the information system of STEP 7.
Note
Different program block versions
Note that in STEP 7 you cannot use different versions of a program block in a station.
Supported program blocks for OUC
The following instructions in the specified minimum version are available for programming
Open User Communication:
● TSEND_C V3.1 / TRCV_C V3.1
Compact blocks for connection establishment/termination and for sending and receiving
data
or
● TCON V4.0 / TDISCON V2.1
Connection establishment / connection termination
● TUSEND V4.0 / TURCV V4.0
Sending and receiving data via UDP
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Operating Instructions, 05/2017, C79000-G8976-C289-07
CP 1543-1