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.
