EN 50155 Documentation Compliance Overview
Page 44
h) RAMS features
1) useful life class
Chapter
Product Overview > Technical Data
> Product Compliance: Rail - Rolling Stock
2) [repairable, not repairable],
equipment or parts of the equipment
(if any)
The ME4 is repairable.
3) identification of the LRU parts of
the electronic equipment
The ME4 does not include LRU parts.
4) MTTR (if any)
No definite value can be given, as the
MTTR depends on the use case and the
product version.
5) list of limited life components (if
any)
None
6) storage precautions (if any)
Internal documents and more information
are available on request.
7) identification of commercial off-
the-shelf equipment/components
inside the electronic equipment (if
any)
None
8) periodic maintenance instructions
(if any)
None
9) reliability
Chapter
Product Overview > Technical Data
> Reliability
Mission profile:
Ambient temp. around equipment (Tae):
40 °C
Ambient temp. near components (Tac):
50 °C
Number of yearly cycles: 365
Working time ratio: 0.75 %
Temperature variation (Tac-Tae): 10 °C
Permanent power on (Yes/No): No
10) functional safety reference if
applicable
Not applicable
11) information relating to any
implosion or explosion hazards
which may exist within the
equipment or which may occur in use
or in handling
Not applicable
Requirement
Compliance
