Endress+Hauser Nivotester FTL325N-**** Series - Default Chapter; Table of Contents

Liquiphant M/S with FEL56 and Nivotester FTL325N
2 Endress+Hauser
Table of contents
SIL declaration of conformity . . . . . . . . . . . . . . . . . . . . .3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
General depiction of a safety system (protection function) . . . 4
Structure of the measuring system . . . . . . . . . . . . . . . .5
Level limit measuring system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Safety function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Permitted device types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Safety function data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Supplementary device documentation . . . . . . . . . . . . . . . . . . . . 7
Settings and installation instructions . . . . . . . . . . . . . .9
Installation instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Response in operation and failure . . . . . . . . . . . . . . . 10
Recurrent function tests of the measuring system . 10
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Specific values and wiring options for the
measuring system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Exida Management Summary . . . . . . . . . . . . . . . . . . . 18
Supplementary Documentation . . . . . . . . . . . . . . . . . . . . . . . . . 20