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04/20/2022
TR-EMO-BA-GB-0023 v00
Page 21 of 35
5 General technical data and installation instructions
5.1 Functional safety
SIL standardization ............................................................. DIN EN 61508-1 to 7 / DIN EN 62061
SIL level .............................................................................. SIL2 / SIL CL2
PL standardization .............................................................. DIN EN ISO 13849-1
Performance Level (PL) ...................................................... PLd / Cat. 3
MTTF
d
, high ........................................................................ 955 a
DC
avg
, high .......................................................................... 91.84 %
PFD ..................................................................................... 3.07 * 10
-5
PFH .....................................................................................
3.55 10
-10
*
PFH in % of SIL2 requirement .......................................... < 1 %
T1, repeat test (proof test) .................................................. 20 years
5.2 Safety functions
DIN EN 61800-5-2, Electrical power drive systems ........... STO, SS1
Operating mode and requirement rate, DIN EN 61508 ...... high
*
with a PFH level below 1 % of the SIL class requirement, a proof test within the entire useful life is
not necessary
