Rolls-Royce Helicon X3, User Manual

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P&T Control_20-12-00136_UT535E_Brasil _V2
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01.03 Description of equipment for main thruster units (diesel-electric
systems).
Cabinets
Electronic unit (one per unit)
The electronic unit is designed for bulkhead mounting and should be mounted in the instrument room or
nearby the bridge. (
Note! Electronic unit must not under any circumstances be removed from the
electronic cabinet and mounted into any console separately). Cable access is through a coverplate
that can be removed for fitting of cable glands. Location of the unit should be selected due emphasis on
service access.
The electronic unit contains the following:
-
Power supply
-
Application CPUs (Main and backup) including flash memory
-
CAN fieldbus
-
Ethernet communication with control panels
-
I/O cards (DI, DO, AI, AO, serial line interfaces)
-
Circuitry monitoring w/alarm output
-
Indication circuitry
-
Cable termination
Power Supply requirement:
Main supply : 230 VAC (+/- 15%) 50/60 Hz
Back-up supply : 24 VDC (+20% - 17%) (Battery back-up)
Power consumption: : Typical 100 - 200 watt
The Remote Control System is designed to accomplish prevailing rules of DNV, ABS, LRS, BV, GL and
RINA.
Distributed IO cabinet (one per unit)
The unit is designed for bulkhead mounting and should be located in the thruster room. Cable access is
through a cover plate that can be removed for fitting of cable glands. Location of the unit should be
selected with due to emphasis on service access.
The IO cabinet contains the following:
-
I/O to/from external connections.
-
Power supply
-
CAN field bus
-
Cable termination
-
Local indicator/Control panel
Lub pump control unit (one per main thruster)
The unit selects duty and stand-by pump and is designed for bulkhead mounting and should be located
close to the lub. pumps. Cable access is through cable glands. Location of the unit should be selected
with due to emphasis on service access.