ABB TTR200 Instructions d'exploitation télécharger pdf (Page 11)

Safety function

SM/TTX200/TTX300/SIL-EN TTH200, TTR200, TTH300, TTF300, TTF350 11

6.2 Measuring point for SIL 3 – Dual configuration

Two transmitters DCS for SIL3

A00264

Fig. 2

A Sensor 1

B Transmitter 1

C DCS

D Measuring circuit 1

E Interface for LCD indicator

F Sensor 2

G Transmitter 2

H Measuring circuit 2

Important (Note)

The safety-relevant technical parameters are specified in chapter 11 „Management summary

FMEDA – Fai

lure modes, effects, and diagnostic analysis“, page 17.

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ABB TTR200 Instructions d'exploitation Page 11