Motor Control Unit Familiarization - Simrad SH90 - REFERENCE MANUAL REV A Reference Manual
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Also See for SH90 - REFERENCE MANUAL REV A:
- Reference manual (454 pages) ,
- Installation manual (320 pages) ,
- Operator's manual (86 pages)
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Figure 51
Motor Control Unit familiarization
During normal operational conditions, the
following two indicator lamps shall be lit:
•
indicates that the phase watch relay
L1
activated. This mean that the 3-phase voltage
is applied to the hoist/lower system, and that
the three phases are correctly connected with
regard to the training direction of the hoisting
motor.
•
indicates that the internal +24 Vdc power
L2
supply for the control electronic is operational.
323775/A
Motor Control Unit familiarization
K303
On-board maintenance
Internal 24 Vdc power supply
A
Ethernet connector
B
Hand crank
C
Mains filter
D
Hull Unit Controller circuit board
E
Fuse for internal power
F301
supply
Terminal strip for AC mains
E301
input
Hoisting contactor
K301
Lowering contactor
K302
Phase watch relay
K303
Yellow indicator light
L1
Green indicator light
L2
Motor protecting switch
S301
is
Hoist/lower switch
S302
Hand crank with safety switch
S303
Connector for hull unit limit
P302
switches and rotation sensor
195
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