Honeywell KA 54 User Manual

Page 17

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KRA 405B RADAR ALTIMETER INSTALLATION MANUAL

Page 1-5

006-10536-0010 Rev. 10

Oct/2005

C.

KRA 405B RECEIVER/TRANSMITTER (cont.)

ALTITUDE OUTPUT:

Slope:

Precision Equipment:

-20 to 2,500 ft (-6.1 to 762.0 m) -10 mV/ft (32.81 mV/m); Zero

ft = 0.000 volts

Auxiliary Out #1:

-20 to 500 feet (-6.1 to 152.4 m) +20 mV/ft (+65.62 mV/m); 500

to 2,500 feet (152.4 to 762 m) +3 mV/ft (9.84 mV/m); Zero ft

= +0.400 volts

Auxiliary Out #2:

(-0101, -2001/-4001)

-20 to 2,500 feet (-6.1 to 762.0 m) -4 mV/ft (13.12 mV/m);

Zero feet = 0.000 volts

Auxiliary Out #2:

(-0202)

-20 to 480 feet (-6.1 to 146.3 m) +20 mV/ft (+65.62 mV/m); 480

to 2,500 feet (146.3 to 762 m) 10 x logn [e(h+20)/500](10 x

logn [e(h+6.1/152.4)]m); Zero ft = +0.400 volts

Analog Altitude:

-20 to 500 feet (-6.1 to 152.4 m) +20 mV/ft (+65.62 mV/m); 500

to 2,500 feet (152.4 to 762 m) +3 mV/ft (9.84 mV/m); Zero ft

= +0.400 volts

Arinc 429 Out:

Shall meet all ARINC 429 electrical

specifications.

The following are serial digital outputs from the KRA 405B:
LABEL

INFORMATION CONTAINED IN LABEL

FORMAT

SPEED

164

Radio Height

BNR

Low Speed

165

Radio Height

BCD

Low Speed

371

GA Equipment Code

BCD

Low Speed

377

Equipment Identifier Word

BCD

Low Speed

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