ACK A-30.9 42K Encoder

General Description

ACK A-30.9 42K Encoder - encoders work with all modern mode A/C and mode S transponders. The mod 9 configuration reports to 42,000 feet and provides both parallel grey codes and two RS 232 outputs which are jumper selectable in the most popular formats. The RS 232 altitude reporting is jumper selectable in 10 or 100 foot increments. It is plug compatible with all earlier mod 1 through 4, and mod 8 encoders with serial numbers 2,400 through 120,499.

This A-30.9 encoder (mod 9) kit includes a quick release mounting tray, 4 color coded foot harness with prewired jack, static line fittings, installation manual.

  • Provides ADS-B RS 232 attitude data
  • (2) RS 232 outputs
  • 10 ft resolution
  • Gray code to 42,000 ft
   
Weight 5.1 oz (144 grams)
Dimensions 6 x 2.65 x 1.3 in
Range MOD 5: –950 to 30,750 ft
MOD 9: –950 to 42,000 ft
Accuracy ±20 ft, typical
±50 ft, maximum
Operating voltage 10 VDC to 32 VDC 
Operating current 160 mA, typical
Operating temp -4°F to 131°F (-20°C to 55°C)
Warm-up current draw 14 VDC @ 160 mA
28 VDC @ 220 mA
Warm-up time 70°F ambient 60 seconds 
0°F ambient 210 seconds RS 232 10 ft or 100 ft
Altitude resolution Gray code (parallel) output 100 ft
Approvals FAA TSO C-88a
German LBA 10.221/4 
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