reducing these risks to an appropriate level. The risk assessment should be recorded and archived.
please refer to ISO 12100 for details.
Performance level (PL): The PL is a discrete level which is used to specify the ability of
each safety-related part in the control system to implement the safety function under foreseeable
conditions. PLd is a second highest reliability classification, meaning that the safety function is
extremely reliable. For more information, please refer to EN ISO13849-1:2008.
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