LUN 1795.1

Engine monitoring display EMD

LUN 1795.1 is a device that is used for receiving, processing, and displaying data from a Full Authority Digital Engine Control (FADEC) unit and a Flight Data Acquisition Unit (FDAU). The data is received through four ARINC 429 data bus connections.


Technical parameters

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

Voltage (nom.): 27,5 V DC

Voltage (operative): 11…30 V DC

Current (nom.): 0,3 A

Power Consumption: 8,25 W

Operating temperature: -55 – 70 °C

Storage temperature: -55 – 85 °C

Humidity: max. 95 %

Connectors: Circular 37 pin

Dimensions: 132 × 123 × 123 mm

Weight: 1300 g ± 10 %

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

The device has three buttons on its front panel that are used to switch between different screens. Additionally, the brightness of the display is automatically adjusted based on the level of ambient lighting.

lun 1795 1 block diagram

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