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Aeroflex Operation Manual
AVM Data
Equipment ID : 03D
Label : 300 History Data
Decoding : Bits 19 through 28 displayed as a dimensionless 0-15.2 decimal word.
Bits 11 through 17 displayed as discretes.
Word Definitions :
Bit Definition
Bits 1-8
Bit 9
Bits 10-14
Bits 15-18
Bits 19-28
Bits 29-31
Bit 32
=
=
=
=
=
=
=
Label Number
Engine ID
Flight Number
Data ID
Data
SSM
Parity
Label Number
Bit 8 7 6 5 4 3 2 1
1 1 0 0 0 0 0 0 = 300 (Octal)
Engine ID
Bit 9
0 = Engine 2
1 = Engine 1
Flight Number
Bit 14 13 12 11 10
0 0 0 0 0 = Most Recent Flight
0 0 0 0 1 = (Most Recent Flight) –1
thru
1 1 1 1 0 = (Least Recent Flight) +1
1 1 1 1 1 = Least Recent Flight
Data ID
Bit 18 17 16 15
0 0 0 0 = N1 Vibration (Label 354)
0 0 0 1 = N2 Vibration (Label 355)
0 0 1 0 = N3 Vibration (Label 356)
0 0 1 1 = BB Vibration (Label 357)
0 1 0 0 = N1 Speed
0 1 0 1 = N2 Speed
0 1 1 0 = Flight Duration
DATATRAC 400 – REV 0 - PAGE D-5