Emerson 644 Spécifications Page 99

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 182
  • Table des matières
  • DEPANNAGE
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 98
89
Reference Manual
00809-0200-4728, Rev RA
Section 7: Safety Instrumented Systems (SIS) Certification
April 2015
Safety Instrumented Systems (SIS) Certification
7.8.2 SIS safety transmitter failure values
IEC 61508 Safety Certified SIL 2 Claim Limit
Safety accuracy: Span > = 100 °C ± 2%
(1)
of process variable span
Span < 100 °C ± 2 °C
Safety response time: 5 seconds
7.8.3 Product life
50 years - based on worst case component wear-out mechanisms - not based on wear-out of
process sensors.
Report any safety related product information at: http://rosemount.d1asia.ph/rose-
mount/safety/ReportAFailure_newweb.asp
(1) A 2% variation of the transmitter mA output is allowed before a safety trip. Trip values in the DCS or safety logic solver should be
derated by 2%
Vue de la page 98
1 2 ... 94 95 96 97 98 99 100 101 102 103 104 ... 181 182

Commentaires sur ces manuels

Pas de commentaire