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
dangerous, 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.
12.4 Restart Lock Procedure
The following diagram shows the restart lock procedure by means of a time axis,
including the required steps that must be performed in order to be able to restart the
device after an activated restart lock.
W
Safety Circuit / Restart Lock (STO)
Drive System SD2S - Hardware Description 0362X49xy / 0362129xy 99
12
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