
SimradMS70
Steelconduitsforpowercables
Note
Duetothevoltagesandcurrentsprovidedbythepowersupplies,steelconduitsare
imperative.
Figure18Steelconduitsprinciple
Power
Supply
Unit
Power
Supply
Unit
Power
Supply
Unit
Transceiver
Unit
Max1m
Max1m
Max1m
Max1m
Thepowercablesfromthe
threePowerSupplyUnit
cabinetstotheTransceiver
Unitmustberuninsteel
conduits.Theseconduits
servethefollowingpurposes:
•Noiseandinterference
protection
•Physicalprotection
Theminimuminternal
diameterofthesteelconduits
is5cm.
Themaximumlengthof
unprotectedcableis1meter
ineachendoftheconduit.
Forthisreason,separate
conduitsforeachPower
SupplyUnitisrequired.
Ifitisnecessarytobendthesteelconduits,makesurethatthebendingradiusdonot
preventthecablefrombeingpulledthroughtheconduit.
56
331549/B
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