LUN 1795.1 - Engine Monitoring Display EMD

The device is used to receiving, processing and displaying data from the Full authority digital engine control unit FADEC and from Flight data acquisition unit FDAU. Data are received via four ARINC 429 data buses. The processed data are displayed on the color display of the device.

There are three buttons on the front panel determined for switching between the screens. The brightness is automatically controlled by level of environment lighting as well.

 

 

Standard display values

- Aircraft altitude
- Aircraft airspeed
- Fan speed
- Core speed
- Engine power control
- Engine ITT value
- Engine fuel flow
- Engine oil pressure
- Engine oil temperature
- Mass fuel flow rate
- Fuel temperature

Technical specification

Peripheries
RS 232 1× service port
ARINC 429 RX 4× input port
GPIO 4× digital input or 2× relay output
AN IN 1× analog input
RS 232/422 (optional) 2× input port
ARINC 429 TX (optional) 2× output port
MIL 1553 (optional) 2× bus
DIN (optional) 2× digital input

 

General parameters
Dimensions 132 × 123 × 123 mm
Weight 1300 g ± 10 %
Voltage (nom.) 27,5 V DC
Voltage (operative) 11...30 V DC
Current (nom.) 0,3 A
Power consumption 8,25 W
Humidity max. 95 %
Operating temperature -55 - 70 °C
Storage temperature -55 - 85 °C
Connector Circular 37 pin

 

Display parameters
Display area 89,28 (H) × 89,28 (V)
Number of dots 640 × 3 (H) × 640 (V)
Number of color 262k (6bit/color)
Luminance 1200 cd/m2
Viewing angle >-80~80° (H), -70~80° (V)
Back-light unit Edge-light, LED

Block diagram

lun 1795 1 block diagram