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• Use the unit only in specified environmental conditions
In case of special operating conditions please contact the manufacturer�
2.1 General requirements on the safety-related functions
The device complies with the functional and organisational requirements of
EN ISO 13849-1 Performance-Level "e" and EN 62061 SIL "3"�
To maintain Safety Integrity Level (SIL) "3" requirements the two input
sensors should not be of the exact same type and independent of each
other�
Common cause failures between input sensors must be excluded by
observing an appropriate cable installation (i�e� separate cable paths)� Input
sensors must be mounted separately from each other�
To maintain the category 4 requirements during longer periods of standstill
the machine operator has to ensure that the machine to be monitored is
operated once a day (t < 24 h)�