Siemens SINUMERIK 840D sl Function Manual page 20

Regulations and Standards
1.2 Safety of machinery in Europe
Parliament and Council and must be included in domestic standards without any
revisions. These are used to fulfill the basic health and safety requirements and the
protective goals specified in Annex I of the Machinery Directive.
When the harmonized Standards are complied with, then there is an "automatic
assumption" that the Directive is fulfilled. This means that the manufacturer may
then assume that he has complied with the safety aspects of the Directive under
the assumption that they are also handled in that particular Standard. However, not
every European Standard is harmonized in this sense. The listing in the Official
Journal of the European Parliament and Council is decisive.
The European Standards for Safety of Machines is hierarchically structured as
follows:
S A Standards (Basic Standards)
S B Standards (Group Standards)
S C Standards (Product Standards)
Regarding Type A Standards/Basic Standards
A Standards include basic terminology and definitions that are applicable for all
machines. This includes EN ISO 12100–1 (previously EN 292–1) "Safety of Ma-
chines, Basic Terminology, General Design Principles."
A Standards primarily address those bodies setting the B and C Standards. How-
ever, the techniques documented there regarding minimizing risks can also be
helpful to manufacturers if there are no applicable C Standards.
Regarding Type B Standards/Group Standards
B Standards include all Standards with safety–related statements that can involve
several machine types.
B Standards also primarily address those bodies setting C Standards. However,
they can also be helpful for manufacturers when designing and constructing a ma-
chine if no C Standards apply.
For B Standards, an additional sub–division is made – and more precisely as
follows:
– Type B1 Standards for higher–level safety aspects, e.g. basic ergonomic
principles, safety clearances from hazards, minimum clearances to avoid
crushing parts of the body.
– Type B2 Standards for protective safety devices are defined for various
machine types – e.g. Emergency Stop devices, two–hand operating circuits,
interlocking elements, contactless protective devices, safety–related parts of
controls.
Regarding Type C Standards/Product Standards
C Standards are Standards for specific products – for instance, machine tools, wood-
working machines, elevators, packaging machines, printing machines etc.
Product Standards list requirements for specific machines. The requirements can,
under certain circumstances, deviate from the Basic and Group Standards. For the
machine manufacturer, Type C Standards/Product Standards have the highest priority.
The machine manufacturer can then assume that it fulfills the basic requirements of
Attachment I of the Machinery Directive (automatic presumption of compliance).
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SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 05.2008 Edition
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05.08