Rolls-Royce Helicon X3, User Manual

Page: 18 / 140

System Description
Page 4 of 16 Doc. No.: 13S000411
Revision: A
Copyright © 2010 Rolls-Royce plc
3 Design
3.1 Lever
Each thruster has its own lever. Their main functions are:
• Control of pitch, RPM and azimuth direction (dependant of application)
• In operation
• Command transfer
• Lever in command
• Back-up control
• Alarm
The control lever has integrated buttons and indication lamps for command transfer,
backup system on/off, alarm indication/buzzer and push button for reset of buzzer. The
display in the base shows set command (pitch and direction) from the lever.
The lever contains two redundant electronic circuits, one for the normal control system
and one for the backup system.
Bridge
Instrument room ECR
Fore bridge
Dynpos
Joystick
Autopilot
GPS
Automation
LOG
VDR
El.unit El.unit El.unit
I/0 I/0 I/0 I/0 I/0
El.unit El.unit
Aft bridge
Slave Chair
Viewcon
Main Chair
Port Wing
Stbd Wing
1
2 3
4
5