Simrad TRANSDUCER - INSTALLATION GENERIC REV H Manual de instalación Pagina 56

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 212
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 55
SimradMS70
AboutthePowerSupplyUnit
TheSimradMS70comprisesthreePowerSupplyUnits.EachunitprovidesACandDC
powertooneofthethreetransceiverracksinthetransceiver.Externalanaloguepower
supplieshavebeenchosentoensureminimumelectricnoise.
InordertoreducethevoltagedropinthepowercablesbetweeneachPowerSupplyUnit
andtheTransceiverUnit,thesecablesmustbekeptasshortaspossible.Thecablesmust
alsoberuninsteelconduitstominimizeelectricnoise.
ThemainactivecomponentsineachPowerSupplyUnitare:
OneInternetPowerSwitch
Onepowersupply,6Vdc
Onepowersupply,12Vdc
Onepowersupply,75Vdc
PowerSupplyUnitpreparations
BeforethePowerSupplyUnitsaremounted,observethefollowingprocedure.
Figure17PowersupplyUnit
ventilation;airow
Installationmethods
Eachcabinetcanbeinstalled
“stand-alone”,sidebysideorontopof
eachother.Makesurethatenoughspace
isprovidedbetweenthecabinetsto
allowforventilation,maintenanceand
partsreplacements.
Thethreecabinetscanbeinstalled
togetheronadedicatedframe.Thisisan
option,andtheframemustbeordered
separately.Theframeismounted
verticallyonthebulkheadbymeansof
shockabsorbers.
Procedure
1Observetheoutlinedimensions
drawingandthedetailsregardingthePowerSupplyUnit’sfootprint.
PowerSupplyUnitoutline(311237)onpage181
PowerSupplyUnitmountingframe(308337)onpage183
2Decidewhichofthetwoinstallationmethodsthatwillbeused.
54
331549/B
Vista de pagina 55
1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 211 212

Comentarios a estos manuales

Sin comentarios