The Integrated Modular Avionics (IMA) provides …
Computation, memory and input/ output data processing resources, shared between several avionics applications
IMA is mainly composed by the …
Dual Core Avionics Cabinets (CAC) which control most of the 600 series avionics
There are … CACs and they are located …
- 2 (for redudancy/ they check eachother)
- avionics rack (behind CM1)
The main applications hosted by the CACs (Core Aviation Cabinets) are: …
- Flight Warning (FWA)
- Auto-Flight (AFCS)
- Centralized Maintenance Applications (CMA)
- Data Concentration (DCA)
- Switch Module Application (SWM)
The CAC is composed of …
a rack and a set of cards
The cards in the CAC are named … cards and are in a number of …
- Line Replaceable Units (LRU)
- 6 + 2 free slots for possible expansion
How many types of LRU (Line Replaceable Units) are …. and what are their names …
- 3 types
- Core Processing Modules (CPM)
- Input/Output Modules (I/O) used for communication between CPM and other systems
- Gateway and Swith Modules (SWM) for the AFDX Network
NOTE: It is mechanically impossible to place a CAC card in the wrong place
CACs control and monitor avionics operation, they interface between … and …
AC systems and Display Units (DU)
The CACs process system failures and flight envelope protection signals.
They command the display of … on the …
They also send signals to the … that in turn generates …
- messages and procedures / EWD
- MFC / aural and visual alerts
MPC …
Multi Purpose Computer
MPC is composed of … and …
- Flight Data Acquisition Unit (FDAU) software
- Data Management Unit (DMU) software
APM …
- Aircraft Performance Monitoring
APM (Aircraft Performance Monitoring) objectives are to …
- Monitor the drag
- Advise on possible severe icing
- Alert the crew
