Rugged Memory Module

The EKE-Trainnet® Rugged Memory Module (RMM) is a highly protected memory module to be used as part of an EKE-Trainnet® Event Recorder.

As an essential part of the Train Event Recorder, the EKE-Trainnet® Rugged Memory Module (RMM) collects and stores vital train-borne information. Depending on your needs, it can record all kinds of data, including audio and video recordings.

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COMPLIANCE:
EN 50155, EN 45545, IEEE 1482.1-1999, IEC 62625-1:2013, GM/RT2472:2014, EEIG 97E461-3.1998
Technical Specification for Rugged Memory Module

Key Features

Standalone or Integrated Event Recording

The EKE-Trainnet® RMM is paired with an EKE-Trainnet® 3U 84TE Rack and power supply (typically EKE-Trainnet® PSV and PIU modules) to create a fully functional standalone event recorder. The EKE-Trainnet® RMM can also be integrated into a larger EKE-Trainnet® system, such as a 6U 84TE Rack, complementing Gateways, Vehicle Control Units, or Train Control and Management Systems.

Store Both Analogue and Digital Signal Data

The EKE-Trainnet® RMM stores both analogue and digital signal data for a set period. Data can be accessed anytime using the EKE-Trainnet® Train Inspection Program for performance analysis and optimisation. For convenience, data can also be copied to a USB stick for easy transport and storage.

High Level of Data Protection

The EKE-Trainnet® RMM is designed for high data protection. Its crash-proof construction ensures protection against fire, magnetic fields, liquids, and mechanical stress from impacts or continuous pressure. The memory board is housed in a fire-resistant insulation block and enclosed in a hermetically sealed steel case.

Easy Access to Data

Data from the EKE-Trainnet® RMM can be retrieved through the Ethernet and USB ports on the module’s front panel, as well as via the VME back plane, from added interface modules, and the RS 485 port. The module receives power through the VME back plane.

Record Video Streams

The EKE-Trainnet® RMM can record video streams from onboard digital video recorders (DVR) or directly from cameras. For easy data retrieval, the stream format can be made compatible with your CCTV software or any other video analysis software that you use. Alternatively, we can develop customised video analysis tools to fit your needs.

Options

Front-panel Imprints

Front-panel imprints are available on request in English or any other language of your choice.

Integrated GNSS Receiver

A GNSS (Global Navigation Satellite System) receiver can be integrated with the EKE-Trainnet® RMM to provide location and time information. Options are available with either GPS+GLONASS or GPS+BeiDou.

Please note that adding this feature will increase the module’s width by 4TE.

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Technical Specification for Rugged Memory Module

Dimensions (W x H x D):

32 TE x 3 U x 160 mm

Weight:

7 Kg

Input Power:

5 V DC ± 5 % (1 A max., 0.5 A typ.)

Temperature Range (operational):

-40 °C…+70 °C

MTBF (40 ºC ambient temperature):

890 000 h (2 GB)
870 000 h (16 GB)

Interfaces:

3 or 4 Isolated RS 485
1 x 10/100 Mbit/s Ethernet, M12 connector
1 x USB 2.0 Host for retrieval

Memory:

2 GB or 16 GB

Protection Levels (Rugged Memory Module)
Ingress Protection (IP) rating:

68

Shock:

48 V DC ± 2 % (at nominal line, nominal load)
46 V DC min. (at line range, load range)

Crush:

Up to 110 kN for 5 minutes in all axes

Penetration:

Up to 23 kg drop from a height of 1.5 m focussed on an area of 30 mm2

Temperature:

Up to 700 °C for 5 minutes and 650 °C for 30 minutes followed by 300 °C for 1 hour followed by 100 °C for 5 hours

Chemical Immersion:
  • Winter Diesel (*)
  • Summer Diesel (*)
  • Regular Water (*)
  • Salt Water (*)
  • Lubricating Oil (*)
  • Transformer Oil (**)
  • Hydraulic Oil (**)
  • Anti Fire Fighting Foam (*)
  • Refrigerant R134A (**)
  • Alcohol (**)
  • Anti Freeze (**)
  • Battery Acid (**)

 

(*) minimum for 48 hours
(**) minimum for 60 min

Magnetic Field:

Current flow of 64 kA at rising rate of 107 A/s

Hydrostatic pressure:

Immersion in salt water at a depth of 15 meters for 48 hours