Communication
11.2 PROFINET
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
835
Table 11- 10 Structure of the connection description (TCON_IP_RFC): For use with ISO on TCP
0 … 1 InterfaceId
HW_ANY
HW-identifier of the IE-interface submodule
2 … 3 ID CONN_OUC
(Word)
Reference to this connection: Range of values: 1 (default) to 4095.
Specify the value of this parameter for the TSEND_C, TRCV_C, or
TCON instruction under ID.
4 ConnectionType Byte Connection type:
• 12: ISO-on-TCP (default)
• 17: ISO-on-TCP (This connection type is included for legacy
reasons. It is recommended that you use "12: ISO-on-TCP
(default)".)
5 ActiveEstablished Bool Active/passive connection establishment:
• TRUE: Active connection (default)
• FALSE: Passive connection
Remote transport selector
14 ... 45 TSel array [1..32] of
Character array for TSAP name
48 ... 79 TSel array [1..32] of
Character array for TSAP name
S7-1200 CM/CPs (https://support.industry.siemens.com/cs/us/en/ps)