MSA SUPREMA - System Variants and Safety-Related Signal Path; Figure 15-1: System Variants for SIL 3

REV 0, June 2005Page 378
Operation Manual SUPREMA
15. Special conditions
23. During installation of the SUPREMA – Fire and Gas Warning System the national regulations
and standards must be complied with.
24. The installation of the SUPREMA – Fire and Gas Warning System has to be done in such a
way that a maximum defree of pollution 1 (EN 60664-1) ist ensured (no or only dry, not
conductive contamination arises. The contamination does not habe influence).
15.1.2 System variants and Safety-related signal path
The following illustration shows the variants which are possible for SIL 3 applications:
Figure 15-1: System variants for SIL 3