Simrad SX90 - INSTALLATION REV C - Motor Control Unit Familiarization

SimradSX90
MotorControlUnitfamiliarization
Figure40MotorControlUnitfamiliarization
(CD015409B)
HOIST ST OP
REMOTE LOWER
E301
S301
S302 P302
S303
K303
L1
L2
K302K301
F301
B
A
(A)Internal24Vdcpowersupply
(B)Ethernetconnector
(F301)Fuseforinternalpower
supply
(E301)TerminalstripforAC
mainsinput
(K301)Hoistingcontactor
(K302)Loweringcontactor
(K303)Phasewatchrelay
(L1)Yellowindicatorlight
(L2)Greenindicatorlight
(S301)Motorprotectingswitch
(S302)Hoist/lowerselector
(S303)Handcrankwithsafety
switch
(P302)Connectorforhullunit
limitswitchesandrotationsensor
Duringnormaloperationalconditions,thetwofollowing
indicatorlampsshallbelit:
•IndicatorlampL1indicatesthatthephasewatchrelayK303
isactivated.Thismeanthatthe3-phasevoltageisapplied
tothehoist/lowersystem,andthatthethreephasesare
correctlyconnectedwithregardtothetrainingdirectionof
thehoist/lowermotor.
•IndicatorlampL2indicatesthattheinternal+24Vdcpower
supplyforthecontrolelectronicisoperational.
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307531/C