An attitude indicator is an instrument used in an aircraft to inform the pilot of the orientation of the aircraft relative to Earth’s horizon. LUN 1795.2 is a variant of LUN 1795, which can be used as an artificial horizon display.
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
ARINC 407/Russian: 3× synchro/Resolver
Inputs: 1× vertical and lateral deviation
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: 10,25 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
It indicates pitch (fore and aft tilt) and bank (side to side tilt) and is a primary instrument for flight in instrument meteorological conditions. As an example, it also works with platform AN-12 replacing NPP 1485MK.
