Module 11.19 Integrated modular avionics Flashcards
1
Q
What is the Integrated Modular Avionics (IMA) concept?
A
One computer does the job of many LRU’s (applications)
2
Q
How are the individual applications kept separate in IMA?
A
Partitions
3
Q
What controls multiple applications in IMA?
A
Central Processing Input/Output Modules
4
Q
How does the CPIOM talk to the Avionics Data Communication Network (ADCN)?
A
Via the Avionics Full Duplex Switched Ethernet (AFDX)
5
Q
What does the CPIOM talk to the remaining LRU’s via?
A
ARINC 429, could be another type of ARINC
6
Q
What is the benefit to IMA?
A
- Reduced weight
- Reduced size
- Lower power usage
- Easier modification
- Reduced recurring cost
7
Q
What can be said about the IMA boxes? (Think if the aircraft is AOG and the IMA parts is on the MEL)
A
They are interchangeable, may need a software change
8
Q
How many CPIOM’s are there?
A
7 - labelled A to G
