Version No. V1R0
5
Safety Manual
9106 HART® transparent repeater
7. Safety parameters
Connection diagram
Ex input SIL 2
Probability of dangerous Failure per Hour (PFH)
4.10E-08
Note
1
Probability of failure on demand (PFD) -
1 year proof test interval
1.95E-04
Proof test interval (10% of loop PFD)
5 years
Safe Failure Fraction
88%
Demand mode
High
Demand rate
Note
3
Mean Time To Repair (MTTR)
24 hours
Hardware Fault Tolerance (HFT)
0
Component Type
A
SIL capability
SIL 2
Description of the “Safe State”
Output ≤ 3.6 mA or
Output ≥ 21 mA