5
8
Defects which cannot occur
Due to the construction, materials, and components used for the component, the faults listed in the
table can be excluded:
Potential Defect
Elimination of Defect
Limitations of Use
Reason
Wear, corrosion.
Permissible acc. To
tables A.4 and A.5 of
DIN EN ISO 13849-2.
See sections 2
Intended use
and
sections 19
Technical data
.
Application of carefully
selected materials and
manufacturing
pro-
cesses; use of proven
springs
and special
mounting methods.
Non-
tightening/Loosening
(parts of the compo-
nent).
Permissible acc. To
tables A.4 and A.5 of
DIN EN ISO 13849-2.
See section 2
Intended use
.
Application of carefully
selected materials and
manufacturing
pro-
cesses; use of proven
springs
and special
mounting methods.
Weakening of force due
to
remaining
defor-
mation or fracture.
Permissible acc. To
table A.5 of DIN EN
ISO 13849-2.
See section 14
Operation
.
Use of proven spring
and special mounting
methods.
Fracture,
deformation
due to excessive load.
Permissible acc. To
tables A.4 and A.5 of
DIN EN ISO 13849-2.
See section 14
Operation
.
Application of carefully
selected
materials;
over
dimensioning
using safety factor 2
and
replication
of
parts; use of proven
springs
and special
mounting methods.
Stiffness/Getting stuck.
Permissible acc. To
tables A.4 and A.5 of
DIN EN ISO 13849-2.
See sections 2
Intended use
and
sections 14
Operation
.
Application of carefully
selected
materials;
over
dimensioning
using safety factor 2
and
replication
of
parts; use of proven
springs
and special
mounting methods.
Contacts do not open.
Switches with contacts
open in accordance
with EN 60947-3.
See:
Technical information
for the switch.
Approved
switch
in
accordance with DIN
EN ISO 13849-2.
Bypass of adjacent cir-
cuits, which are isolated
from each other.
Bypass for switch can
be excluded in accord-
ance with EN 60947-3.
See:
Technical information
for the switch.
Approved
switch
in
accordance with DIN
EN ISO 13849-2.
