Vacon optbj - Safety-Related Data According to the Standard

STO and SS1 safety functions vacon • 27
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5
5.3.7 Safety-related data according to the standard
* The values in the table above are worst case values and they are fulfilled with all board revisions.
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Table 8. Safe Torque Off (STO) safety-related data *
MR4 - MR10 MR12
EN 61800-5-2:2007
SIL 3
PFH = 4.12
x10
-10
/hour
HFT = 1
SIL 3
PFH = 4.30
x10
-10
/hour
HFT = 1
EN 62061:2005
SIL CL 3
PFH = 4.12
x10
-10
/hour
HFT = 1
SIL CL 3
PFH = 4.30
x10
-10
/hour
HFT = 1
EN/ISO 13849-1:2006
PL e
MTTF
d
=1700 years
DC
avg
= medium
Category 3
PL e
MTTF
d
=700 years
DC
avg
= medium
Category 3
IEC 61508:2010,
High Demand Mode
SIL 3
PFH = 4.12
x10
-10
/hour
HFT = 1
SIL 3
PFH = 4.30
x10
-10
/hour
HFT = 1
IEC 61508:2010,
Low Demand Mode
SIL 3
PFD
AVG
(T
M
)= 3.59x10
-5
T
M
= 20 years
HFT = 1
SIL 3
PFD
AVG
(T
M
)= 3.76x10
-5
T
M
= 20 years
HFT = 1