MFC Flashcards Preview

ATR 42-500 > MFC > Flashcards

Flashcards in MFC Deck (3)
Loading flashcards...

MFC Description

-28VDC power supply

-An input/output circuit

-A computation unit

-For Modules 1A & 2A, a hard wired logic


MFC Power Sources

Primary Alternate
1A. DC Essential Hot Emer Batt

1B. DC Bus 1 DC Emergency

2A. DC Emergency Hot Main Batt

2B. DC Bus 2 DC Emergency


MFC Power Supply Switching

Power supply switching is automatic:

- from primary to alternate if primary voltage < 19V and if alternate voltage is > 22V;
- from alternate to primary if primary voltage is >22V.