Table of contents
10.2.2
Open user communication ........................................................................................................ 514
10.2.2.2 Protocols ................................................................................................................................... 517
10.2.2.3 Ad hoc mode ............................................................................................................................. 518
10.2.2.4 TCP and ISO on TCP ................................................................................................................ 519
10.2.2.7 UDP ........................................................................................................................................... 535
10.2.2.8 TUSEND and TURCV ............................................................................................................... 535
10.2.2.9 T_CONFIG ................................................................................................................................ 541
10.2.2.10
10.2.3
10.2.4
HMI-to-PLC communication ...................................................................................................... 552
10.2.5
PLC-to-PLC communication...................................................................................................... 553
10.2.6
10.2.7
10.2.8
Diagnostics ................................................................................................................................ 569
10.2.9
10.3
PROFIBUS ................................................................................................................................ 569
10.3.1
10.3.2
10.3.3
10.3.4
10.3.5
Diagnostic instructions .............................................................................................................. 575
10.3.6
10.4
AS-i ............................................................................................................................................ 576
10.4.1
14
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG