Rolls-Royce Helicon X3, User Manual

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System Description
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Page 9 of 16 Doc. No.: 13S000411
Revision: A Copyright © 2010 Rolls-Royce plc
3.6 Controller cabinet
Usually located on bridge or in instrument room. This cabinet distributes signals to and
from the bridge and ECR. It controls all the signals from the Helicon X3 and send them
to the I/O cabinet. There is one controller cabinet per propeller/thruster.
Communicates with the I/O cabinet located in the thruster room.
1. Rolls-Royce Marine Controller (Normal)
2. Rolls-Royce Marine Controller (Backup)
3. I/O
modules
4. Power distribution
5. Network switches and terminals
6. Signal isolation amplifiers (optional)
7. Power
Distribution
8. Main power supply (AC) / fuses
9. Backup power supply (DC) / fuses
3.7 I/O Cabinet
The I/O cabinet is often located in the thruster room near sensors and actuators. This
cabinet distributes signals to the different propulsion/thruster units. There is one I/O unit
per propeller/thruster.
The I/O cabinet sends signals to the actuators on the propellers/thrusters and receives
signals from the sensors. There is CAN bus communication between each I/O and
controller cabinet.
Marine Controller Marine Controller
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