Understanding SLO: Safe Laser Off
86
Arex™ 400
Performance Level (PL)
The PL is specified in EN-ISO13849-1. The risk analysis will lead to a PLr (Perfor-
mance Level required) for a safety function based on the following graph:
Datalogic Laser Markers
The Machinery Directive 2006/42/UE, EN 13849-1 and EN ISO 11553-1 are NOT
applicable to Datalogic Laser Markers.
Datalogic, in order to help customers in their approval process, as a voluntary
act,
has applied in its laser marker, where possible, some points of above men-
tioned regulations.
The examples of this appendix relate only
to the features introduced in Arex™
XXX-X6X models to assist in the laser radiation risk reduction.
W
ARNING
Any other risks (mechanical, electrical, etc.) must always be evaluated and appropriate
risk reduction measures taken where necessary.
The target safety integrity or performance
level (e.g. PLd according to ISO13849-1)
shall be determined by the customer, taking into account the machinery directive, the
harmonized standards and any sector-specific standard that may apply.
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