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depending on the panel generation and on the
engine type. The following table shows the
interchange between engine type (on all the
Airbus Series aircrafts) and E/WD logic :
Aircraft Engine Type E/WD logic
A318 CFM56-5 N1
P&W 6000 EPR
A319/320/321 CFM56-5 N1
IAE V2500 EPR
A330-200/300 GE CF6-80C2 N1
P&W 4000 EPR
RR Trent 700 EPR
A340-300 CFM56-5 N1
A340-500/600 RR Trent 500 EPR
According to the E/WD logic and panel
generation, the E/WD screen looks like the
following images :
Typical E/WD layout on an old-generation panel with
N1 logic (such as an A320 equipped with CFM56
engines).
E/WD layout on an old-generation panel with EPR
logic (such as an A320 equipped with IAE engines).
E/WD layout on an new-generation panel with N1
logic (such as an A318 equipped with CFM56
engines).
EFIS
Airbus Series Vol.1
44 For Microsoft Flight Simulator use only. Not for use in real aviation.
E/WD layout on an new-generation panel with EPR
logic (such as an A330 equipped with Rolls-Royce
engines).
Whatever the layout, the E/WD shows the
important engine information and the
warning/alert messages.
1. This area is dedicated to the engine
information. It varies depending on the
panel generation and the engine type. In
every case, the information that is used to
command the engine is displayed first. It
can be N1 or EPR.
This example shows a CFM56 engine E/WD, managed
by N1 :
1. For each information, the current value is shown with
a needle and a numerical value. They are green if the
value is normal, amber if the value is too high. If
a value is not available, amber XX are displayed.
2. The red zone shows the maximum value that
should never be reached. If by any chance the
value overpasses the maximum, a red bar shows
the maximum value that was reached. It can be
cleared only by maintenance on the ground.
3. The yellow bar shows the maximum value you
can get if you push the thrust levers to the TOGA
detent. It is computed by the FADEC (Full
Authority Digital Engine Control).
4. The white ball shows the current position of the
thrust levers. When they are in the manual range,
their position determines the required thrust,
and the FADEC computes the corresponding N1
or EPR that corresponds to this request.
5,6.For each information, the name is indicated in white,
and the unit is in blue. On this example, N1 is displayed
in % and EGT (Exhaust Gas Temperature) in °C.
2. The current thrust mode is shown
underlined in blue. This display depends
on the position of the thrust levers. If they
are not in a detent, nothing is displayed
here, except if you set the FLEX
temperature when the aircraft is on the
ground. In this case, 'CL' is shown here to
indicate that climb thrust is set and aircraft
speed is controlled by pitch.
3. The thrust value that corresponds to the
thrust mode is displayed here. It is a N1
value (in %) for the N1 driven engines, or
an EPR value. It is regularly updated by the
FADEC because it depends on the aircraft
altitude and the external temperature. If
the autothrust system is active, the engine
thrust will be commanded to maintain this
value, according to the thrust mode.
4. The Fuel on Board (FOB) quantity is
displayed here, in kg or in lbs (depending
on the setup). It is the total quantity of fuel
available in the aircraft. If the total quantity
of fuel is not usable, an amber mark is
displayed below the FOB (this can happen
if a fuel pump fails).
5. The flaps (F) and slats (S) position is
displayed graphically here :
EFIS
Airbus Series Vol.1
(c) 2007 Wilco Publishing www.wilcopub.com - www.FeelThere.com 45
1. The current flap and slat position is displayed in
green.
2. The target flap and slat position is shown in blue
when the flaps or slats are moving. This depends
on the flap handle position.
3. The target position is displayed in blue when the
flaps or slats are moving, and in green when
they don’t move.
6. Warning/Alert area : It is dedicated to
warning and alert messages. Their color
depends on the severity: green messages
are for information, amber messages are
warnings and red messages are serious
alerts. Please refer to the system section
for more information about the messages
that can be displayed here.
This area is also used to display the take
off and landing check-lists. They show a
list of item that must be checked before
takeoff/ landing. Each item is shown in
　
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