LUN 1792

Analog signal converter ASC

LUN 1792 thumbnail
LUN 1792

The LUN 1792 unit converts analog signals of vertical deviation, lateral deviation, and validity signals of vertical and lateral deviation from the main output of the GNS 430W unit into a format suitable for Russian navigation indicator NPP 1485MK or similar devices.

Technical parameters

Power supply: 14-32 V DC

Analog Inputs: 4× diferential input, ±150 mV, 12bit

Analog Outputs: 2× diferential output, ±250 mV, 12bit

Logic Outputs: 3× relay output

Input impedance: 1kOhm ±1 %

Output impedance: max. 330 Ohm ±2 %

Signal conversion error: max ±1 %

Operating temperature: -40 – 70 °C

Storage temperature: -55 – 85 °C

Humidity: max. 95 %

Connector: MIL-37

Dimensions: 211 × 45 × 90 mm

Weight: 500 g

Power consumption: 5,0 W

OBS function
The OBS function on the LUN 1794.3 allows for selection of OBS on the GNS 430 unit. For a detailed description of the OBS function, refer to the “Pilot’s Guide & Reference.” To use OBS selection on the NPP (Russian navigation indicator), the LUN 1794.3 is required.

Electrical parameters
The LUN 1792 is powered by 28 V DC, with a supply voltage range of 16 V DC to 32 V DC. The recommended value for the protection device (fuse or circuit breaker) is 2 Amps. The device is designed to be supplied from an aircraft’s electrical system in accordance with MIL-STD-704E. The unit is powered and all signals are connected through a MIL-C-38999 series connector, type MS27508E14, with 37 pins.

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