Power Input (Required); Pitot And Static Interfaces (Required); Outside Air Temp Input (Optional) - uAvionix AV-30-C Installation Manual

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10.2.1

Power Input (Required)

Power input is required in both AI and DG configurations and each unit has a

dedicated circuit breaker. The power input is internally connected, and diode

protected with the unit's internal battery via a processor-controlled switch.

This architecture allows the unit to continue operation if external power

fluctuates or is completely lost. Input range is compatible with both 12V and

24V aircraft.

Each AV-30-C must have a dedicated, properly labeled, pilot resettable

circuit breaker as part of the installation. Power for the unit should be

supplied from the main battery master relay. It is recommended to shield the

power wire.

10.2.2

Pitot and static connections are required for DG and AI modes.

Airspeed, altitude, derived angle of attack (AoA), True Airspeed (TAS),

Density Altitude (DALT), DG heading, and traffic altitude all require pitot and

static connections as they are based on either altitude or airspeed measured

from those connections.

When installed as a DG, the pitot and static connections must be connected

for Outside Air Temperature (OAT), backup battery in flight, and DG heading

aid. TAS and DALT are the only air-data related parameters that can be

displayed when in DG mode.

10.2.3

The optional outside air temperature interface requires a dedicated external

analog probe. This port connection is compatible with the Davtron P/N

C307PS (not supplied).

This is a differential two-wire current source based on the Analog Devices

AD590KH component and supplies a current that corresponds to the

ambient temperature.

UAV-1003947-001, AV-30-C, Installation Manual

Rev E

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