Safety circuit / restart lock (STO)
– Performance Level e
▸
according to EN 61508-1:2010 and EN 61800-5-2:2014-06
– PFH = 0
– SFF = 100 % (if there are PFH values, then SFF<100%)
– HFT = 0
The safety concept K1 meets the requirements of SIL 3 according to the standards
named above.
Requirements according to DIN EN 61800-5-2:2014-06
When connected appropriately, the safety concept K1 does not supply any share of dan-
gerous, undetected errors in the safety chain for the function STO.
Thus the stop function 0+1 according to EN 60204-1:2007-6 is realized.
180 Drive System SD2 - Hardware Description
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