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Safety-related parameters for an operation of 20 years
Operation Manual
Safety Module for b maXX 5000
BM5-O-SAF-002/3
Document no.: 5.11016.03
Baumüller Nürnberg GmbH
26
5.1
Maximum configuration
Values are valid for the additional parameterization:
8 x safe input / 2 x safe output
(additionally also:
m
DIG1_IN_1
m
DIG2_IN_1
m
DIG3_IN_1
m
DIG1_IN_2
m
DIG2_IN_2
m
DIG3_IN_2
m
STO_IN_1
m
STO_IN_2
m
DIG_OUT_1(A+B)
m
DIG_OUT_2(A+B)
)
The specified values are valid for an environmental temperature of 70°C at the
components.
Parameters in accordance with IEC 61508
Safety Module
configuration
PFH
(Probability of dangerous Failure per Hour)
Single axis
minimum configuration
PFH = 1,29 * 10
-9
/h
Single axis
maximum configuration
PFH = 1,95 *10
-9
/h
Double axis
minimum configuration
PFH = 2,10 * 10
-9
/h
Double axis
maximum configuration
PFH = 3,16 * 10
-9
/h
Safety Module
configuration
PFD
Av
(T=20 years)
(Probability of dangerous Failure on Demand)
Single axis
minimum configuration
PFD
avg
= 1,11 * 10
-4
Single axis
maximum configuration
PFD
avg
= 1,68 * 10
-4
Double axis
minimum configuration
PFD
avg
= 1,82 *10
-4
Double axis
maximum configuration
PFD
avg
= 2,72 * 10
-4
Summary of Contents for BM5-O-SAF-002
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