Contents
SM/TTX200/TTX300/SIL-EN TTH200,
TTR200, TTH300, TTF300, TTF350
3
1
Field of Application ......................................................................................................................................4
2
Acronyms and abbreviations......................................................................................................................4
3
Relevant standards ......................................................................................................................................7
4
Other applicable documents and papers...................................................................................................7
5
Terms and definitions ..................................................................................................................................8
6
Safety function .............................................................................................................................................9
6.1
Measuring point for SIL 2 – Single configuration .........................................................................................10
6.2
Measuring point for SIL 3 – Dual configuration............................................................................................11
7
Periodic checks ..........................................................................................................................................12
8
Configuration..............................................................................................................................................13
9
Safety engineering parameters.................................................................................................................16
10
Namur NE 93 ...............................................................................................................................................17
11
Management summary FMEDA – Failure modes, effects, and diagnostic analysis ...........................18
