Siemens SIMATIC ET 200AL, System Manual

Page: 2164 / 2255

High-precision input/output with Time-based IO
6
Function Manual, 11/2019, A5E33454822-AC
Table of contents
Preface ...................................................................................................................................................... 3
1 Documentation guide ................................................................................................................................. 7
1.1
Guide to documentation function manuals .............................................................................. 7
2 Time-based IO basics .............................................................................................................................. 13
2.1
Using Time-based IO ............................................................................................................. 13
2.2 Time behavior of Time-based IO ........................................................................................... 14
2.2.1 Time behavior of standard technology ................................................................................... 14
2.2.2 Time-based IO properties ...................................................................................................... 15
2.3 System environment .............................................................................................................. 17
2.4 Hardware requirements ......................................................................................................... 18
2.5 Configuration software requirements ..................................................................................... 19
2.6 Technical implementation ...................................................................................................... 20
3 Configuring and parameter assignment ................................................................................................... 24
3.1
Requirements ......................................................................................................................... 24
3.2 Settings for Time-based IO .................................................................................................... 25
4 Programming ........................................................................................................................................... 27
4.1
Overview of instructions ......................................................................................................... 27
4.2 Programming of Time-based IO ............................................................................................. 28
4.3 Time-based IO ....................................................................................................................... 31
4.3.1 TIO_SYNC: Synchronizing TIO modules ............................................................................... 31
4.3.2 TIO_DI: Reading in edges at digital input and associated time stamps ................................ 36
4.3.3 TIO_DI_ONCE: Reading in edges once at the digital input and associated time stamps ..... 43
4.3.4 TIO_DQ: Output edges time-controlled at the digital output .................................................. 51
4.3.5 UDT TIO_SYNC_Data ........................................................................................................... 58
Index ........................................................................................................................................................ 59