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    MVB (Multifunction Vehicle Bus) Cables

    Application

    The cables are designed for transmission of digital signals under baud rate of 10M inside of rolling stock to connect fi xed parts. The communication system in a locomotive uses a wire backed bus system to the TCN standard for control and instrumentation and for diagnostics. This bus system consists of the rail bus WTB (Wired Train Bus) and the road bus MVB (Multifunction Vehicle Bus) which are connected via redundant gateways.

    Standard

    • DIN 5510-2

    Cable Construction


    Electrical Characteristics at 20℃

    Conductor Stranded tinned copper conductor according to IEC 60228 class 5
    Insulation Foam skin-composite PE made of inner cellular layer and outer solid skin
    Core Wrapping Plastic tape(s)
    EMC Screen Tinned copper braid
    Outer Sheath Cross-linked oil resistant LSZH compound

     

    Nominal Cross Section mm^2 0.5
    Maximum Conductor Resistance Ω/km 41
    Impedance@0.5-2MHz Ω 120+/-12
    Maximum Attenuation @1MHz dB/km 12.5
    Maximum Attenuation @1.5MHz dB/km 15
    Maximum Attenuation @2MHz dB/km 18
    Maximum Attenuation @3MHz dB/km 21
    Maximum Transfer Impedance mΩ/m 20
    Nominal Voltage Rating V 300

    Mechanical and Thermal Properties

    • Minimum Bending Radius: 5×OD (single); 10×OD (multiple)
    • Temperature Range: -40℃ to +90℃ (during operation); -20℃ +50℃ (during installation)

    Dimensions and Weight

    Cable Code No. of cores& Nominal
    Conductor Cross
    Sectional Area
    No.×mm^2
    Nominal
    Diameter of
    Strands
    No/mm
    Nominal
    Sheath
    Thickness
    mm
    Nominal
    Overall
    Diameter
    mm
    Nominal
    Weight
    kg/km
    RD-MVB-02YSCH-1P0.5S+1C0.5S 1×2×0.5+1×0.5 19/0.18 1.2 6.8 62
    RD-MVB-02YSCH-2P0.5S 2×2×0.5 19/0.18 1.2 8.3 100

     

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