Saf-001-000-Xxx - Baumuller BM5-O-SAF-000 Operating Instructions Manual

5.1
Safety-related parameters
5.1.1

SAF-001-000-xxx

The values in the following table relate exclusively to the Safety Module (BM5-O-SAF-
001-000-xxx).
Parameters in accordance with IEC 61508
Safety Module
(SAF-001)
configuration
Single axis @ 40°C
Double axis @ 40°C
Single axis @ 55°C
Double axis @ 55°C
Safety Module 
(SAF-001)
configuration
Single axis @ 40°C
Double axis @ 40°C
Single axis @ 55°C
Double axis @ 55°C
SFF according to
SIL 3
Parameters in accordance with DIN EN ISO 13849-1
Safety Module 
(SAF-001)
configuration
Single axis @ 40°C
Double axis @ 40°C
Single axis @ 55°C
Double axis @ 55°C
Safety Module 
(SAF-001)
configuration
All configurations
a. This values lies within the permissible tolerance of 5% according to EN ISO 13849-1 for the classification
HIGH.
No proof test is necessary during the expected life cycle of the device of up to 20 years.
26 Operation Manual Safety Module for b maXX 5000 BM5-O-SAF-000/-001
Document no.: 5.09013.07
of 114
PFH
(Probability of Failure per Hour)
-10
7.21 * 10 /h
-9
1.18 * 10 /h
-9
1.20 * 10 /h
-9
2.11 * 10 /h
PFD (T=20 years)
Av
(Probability of Failure on Demand = mean residual error
probability of a dangerous error on demand)
-5
6.32 * 10
-5
1.04 * 10
-4
1.05 * 10
-4
1.85 * 10
Safe Failure Fraction = fraction of failures which lead to a safe
status.
MTTF
D
(Mean Time To Failure)
1460 years
770 years
819 years
432 years
DC
avg
Diagnostic Coverage
97.7%
Classification
HIGH
HIGH
HIGH
HIGH
Classification
a
HIGH
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