Siemens SITRANS SL - Default Chapter; Table of Contents

Safety Manual
Operating Instructions, 06/2012, A5E03433511-05
3
Table of contents
1 Introduction................................................................................................................................................ 5
1.1 Purpose of this document ..............................................................................................................5
1.2 Device description..........................................................................................................................5
1.3 Device variants ..............................................................................................................................6
1.4 Additional documentation
......................................................................................................
.........6
1.5 History............................................................................................................................................7
1.6 Further information
...........................................................................................................
..............7
2 General description of functional safety
..................................................................................................... 9
2.1 Safety-instrumented system ..........................................................................................................9
2.2 Safety integrit
y
level.....................................................................................................................10
3 Device-specific Safety Instructions .......................................................................................................... 13
3.1 Applications..................................................................................................................................13
3.2 Safety function .............................................................................................................................13
3.3 Application restrictions .................................................................................................................15
3.3.1 Temperature and pressure
......................................................................................................
....15
3.3.2 Purging.........................................................................................................................................15
3.4 Settings ........................................................................................................................................16
3.5 Behavior in case of faults....................................................................................................
.........17
3.6 Maintenance and checks ........................................................................................................
.....18
3.7 Safety characteristics...................................................................................................................20
4 List of abbrev
i
ations................................................................................................................................. 21
Glossary .................................................................................................................................................. 23