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A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
FADEC
A330/A340 FLEET DSC-70-20 P 2/10
FCOM 19 AUG 10
GENERAL - SCHEMATIC
Applicable to:
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
FADEC
A330/A340 FLEET DSC-70-20 P 3/10
FCOM 19 AUG 10
GENERAL - SCHEMATIC
Applicable to: ,
FUNCTIONS
Applicable to:
The FADEC system performs the following functions:
Control of gas generation
‐ Control of fuel flow
‐ Acceleration and deceleration schedules
‐ Variable bleed valve and variable stator vane schedules
‐ Control of turbine clearance
‐ Idle setting
Protection against engine exceeding limits
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
FADEC
A330/A340 FLEET DSC-70-20 P 4/10
FCOM 19 AUG 10
‐ Protection against N1 and N2 overspeed
‐ Monitoring of EGT during engine start
Power management
‐ Automatic control of engine thrust rating
‐ Computation of thrust parameter limits
‐ Manual management of power, based on thrust lever position
‐ Automatic power management (ATS demand).
Automatic engine starting sequence
‐ Control of the :
• Start valve
• HP fuel valve
• Fuel flow
• Ignition
‐ Monitoring of N1, N2, FF and EGT
‐ Initiation of abort and recycle (on the ground only)
Manual engine starting sequence
‐ Passive monitoring of the engine
‐ Active protection (on ground only) against high EGT and for starter reengagement speed
‐ Control of the :
• Start valve
• HP fuel valve
• Ignition
Thrust reverser control
‐ Actuation of the blocker cowls
‐ Engine setting during reverser operation
Fuel recirculation control
‐ Recirculation of fuel to the fuel tanks according to the engine oil temperature, the fuel system
configuration and the flight phase.
Transmission of engine parameters and engine monitoring information to cockpit indicators
‐ The primary engine parameters
‐ The starting system status
‐ The thrust reverser system status
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
FADEC
A330/A340 FLEET DSC-70-20 P 5/10
FCOM 19 AUG 10
‐ The FADEC system status
‐ Secondary engine parameters (oil temperature, nacelle temperature, oil filter clog and fuel filter
clogging)
Fuel used Computation
‐ Fuel flow integration
Failure detection, isolation and recording
FUNCTIONS
Applicable to: ,
The FADEC system performs the following functions:
Control of gas generation
‐ Control of fuel flow
‐ Acceleration and deceleration schedules
‐ Variable stator vanes variable inlet guide vanes, and IP/HP bleed valve schedules.
‐ Control of turbine clearance
‐ Idle setting
Protection against engine exceeding limits
‐ Protection against N1 and N2 overspeed (controlled by the overspeed protection unit)
‐ Turbine overspeed
‐ Monitoring of EGT during engine start on ground.
Power management
Automatic ‐ control of engine thrust rating
‐ Automatic reversion to N1 mode
‐ Computation of thrust parameter limits
‐ Manual management of power, based on thrust lever position
‐ Automatic power management (ATS demand).
Automatic engine starting sequence
‐ Control of the :
• Start valve
• HP fuel valve
• Fuel flow
• Ignition
‐ Monitoring of N1, N3, FF and EGT
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
POWER PLANT
FADEC
A330/A340 FLEET DSC-70-20 P 6/10
FCOM 19 AUG 10
‐ Initiation of abort and recycle (on the ground only)
‐ Auto relight and quick relight functions.
Manual engine starting sequence
‐ Passive monitoring of the engine
‐ Control of the :
• Start valve
• HP fuel valve
• Ignition
Thrust reverser control
‐ Actuation of the blocker cowls
‐ Engine setting during reverser operation
Transmission of engine parameters and engine monitoring information to cockpit indicators
‐ The primary engine parameters
‐ The starting system status
‐ The thrust reverser system status
‐ The FADEC system status
‐ Secondary engine parameters (oil temperature, nacelle temperature, oil filter clog and fuel filter
clogging)
Fuel used Computation
‐ Fuel flow integration
Engine heat Management
‐ Control of turbine case, bearing and gearbox cooling
Failure detection, isolation and recording
　
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