Honeywell
MK VI MK VIII EGPWS Installation Design Guide
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CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 060-4314-150 REV: SHEET 277
BINARY (BNR) DATA
BIT 31 BIT 30 DEFINITION BIT 29 DEFINITION
0 0 Failure Warning Plus, North, East,
0 1 No Computed Data (NCD) 0Right, To, Above
1 0 Functional Test Minus, South, West,
1 1 Normal Operation 1Left, From, Below
BINARY CODED DECIMAL (BCD) DATA
BIT 31 BIT 30 DEFINITION
0 0 Plus, North, East, Right, To, Above
0 1 No Computed Data (NCD)
1 0 Functional Test
1 1 Minus, South, West, Left, From, Below
Unless identified as using the Honeywell Discrete definition all data indicated as ‘Discrete’ uses the following SSM
definition. (Note that PWS uses a non-standard SSM format as described in section 6.2.21)
DISCRETE DATA
BIT 31 BIT 30 DEFINITION
0 0 Normal Operation
0 1 No Computed Data NCD
1 0 Functional Test
1 1 Not Used
Data identified as Honeywell Discrete uses the SSM definition below.
HONEYWELL DISCRETE DATA
BIT 31 BIT 30 DEFINITION
0 0 Normal Operation
0 1 No Computed Data NCD
1 0 Functional Test
1 1 Failure Warning
ISO 5 ALPHABET
Some ARINC 429 labels transmit data using the ISO 5 alphabet as defined in the following table.
B4 B3 B2 B1 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1
0 0 0 0 NUL SP 0 P MCDU
MENU
SEL1
0 0 0 1 CNTRL DC1 ! 1 A Q PROG SEL2
0 0 1 0 STX DC2 2 B R PERF SEL3
0 0 1 1 ETX DC3 # 3 C S INIT SEL4
0 1 0 0 EOT DC4 4 D T DATA SEL5
0 1 0 1 ENQ NAK % 5 E U FPLN SEL6
0110 ACK SYN & 6 F V RAD
NAV
0111 7 G W FUEL
PRED
NEXT
PAGE
1 0 0 0 CLEAR LOGOFF ( 8 H X SEL
F-PLN
SER1
1 0 0 1 EVENT ) 9 I Y SPARE SER2
1010 * : J Z SER3