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1.5.2.4.1 Safety specifications
1.5.2.4.1.1 System requirements
Required Firmware
v4.2.0 or higher
Supported Hardware
SOMANET Circulo 7
SOMANET Circulo 9
1.5.2.4.1.2 Technical specifications
Safety parameters
Safety Integration level (SIL) according to IEC
61508:2010
SIL 3
Performance Level (PL) according to ISO 13849-
1:2015
PL e cat. 3
Safe Failure Fraction (SFF)
TBD
Probability of dangerous failure per hour (PFH )
TBD
Probability of dangerous failure on demand (PFD
)
TBD
Common Cause Failure (CCF)
TBD
Hardware Fault Tolerance (HFT)
1
Reaction time
10 ms
De-activation time
10 ms
Mean Time to dangerous Failure (MTTF )
TBD
Diagnostic coverage (DC )
TBD
HW-type
Type A
Mission time T
TBD
Supported safety modes
High, Low
Installation requirements
d
avg
d
avg
M
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