DC POWERINFEEDMODULE GmbH, Chiemseestrae 21 - 83022 Rosenheim - GERMANY Tel +49 8031-2180 0 Fax +49 8031-2180-99- 1/3 - www.elni c.deDescriptionTheDCPowerInfeedModuleisdestinedtosupplypoweron-boardvoltage(24VDC/50A)into shielded cabins. The dimensions and anchor points are adapted to the standard cut-out.Inordertomaintainthenecessaryattenuationofshielding,theDCpowerinfeedmoduleisimplementedwithaflat,conductivegasketbetweentheshieldedcabinandtheDCinfeedmodule through the included EMC seal. As a protection against compromising and in order tomaintain the attenuation of shielding all paths are provided with passive filters.Thisensuresanintegratedpersonnelandequipmentprotectionagainstovervoltageinthecabin which may be caused by indirect lightning strikes or NEMP.Functional descriptionNormally,theDCPowerInfeedModuleservestofeedinthechargingcurrentfortheFM batteries in the cabin via the alternator of the carrying vehicle, when driving. An alarm inthe drivers cab may be activated from the cabin through the signal lines.Theon-boardvehiclepowersupplymayalsofunctionasemergencypowersupplyincasethe FM batteries fail. This is possible due to a changeover facility.Technical dataOutside connections,(outside of cabin)1 (J1) socket, 6-poled, VG95234B1-20-8SNInside connections,(inside the cabin)1 (J11) socket, 6-poled, VG95234B1-20-8SN2 Power supply lines (A+ and D)1 Signal line (E) BipolarNumber of lines1 Signal line (C) internal connected to HDDC POWERINFEEDMODULE GmbH, Chiemseestrae 21 - 83022 Rosenheim - GERMANY Tel +49 8031-2180 0 Fax +49 8031-2180-99- 2/3 - www.elni c.deElectrical valuesNominal voltage 24 V GS (DC)Nominal currentLine A (+) and line D ()Line E (SIGNAL) 50 A (permanent current, maximum of 60 A) 5 AVoltage drop when in full load 1Line A (+) at + 24 VLine D () at 24 VLine E (SIGNAL) at 24 V + 1 V 1 V 1 VRange of operating voltage 20....32 V GS (DC)reverse polarity protection line A and DintegratedBreakdown voltage2Terminal A (+)Terminal D ()Terminal E (SIGNAL) + 33.8 V 33.8 V 33.8 VDC resistance(Line A, D and E) 0.05Attenuation of shieldingfrom 100kHz up to 1 GHzAcc. to VG 95370, Part 15 60 dBBlocking attenuation 100 kHz up to 1 GHzMeasuring procedure acc. to MIL-STD 220A, Z = 50 60 dB per lineLeakage current3Line A (+)Line D ()Line E (SIGNAL) + 150 A 150 A 150 AResidual voltage (clamping voltage)For above tests on connection inside of cabinfor Z = 50 asymmetrical 72 Vos- NEMP-protection -test acc. to VG 96 903, part 70, unipolar pulse 10 kV, load resistance 100, pulse form 5/200 ns- Lightning protectionacc. to VG 96 901, part 4, class of threat Normal-test acc. to VG 96 903, part 76, unipolar pulse 4kV, internal resistance 2, pulse form of current8/20 s 1 with nominal current2 with 5mA3 with 32V DCDC POWERINFEEDMODULE GmbH, Chiemseestrae 21 - 83022 Rosenheim - GERMANY Tel +49 8031-2180 0 Fax +49 8031-2180-99- 3/3 - www.elni c.deElectrical wiringConnectionoutside J1Connectioninside J11Pin allocationA A + 24 V / 50 AB B Not allocatedC Connected to J1/DC Not allocatedD D 24 V / 50 AE E + 24 V / 5 A bipolarF F Not allocatedMechanical dataTemperature range 32C up to + 55CWeight 3.2 kgSurface coating acc. toTLA-0033 in RAL6031-F9Delivery contents incl. HF-gasket