arinc 429

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ARINC 429

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Page 1: ARINC 429

ARINC 429

Page 2: ARINC 429

Orden de los bits - LABEL

msb lbs msb lsb32 31 30 29 ..............................................................................11 10 9 8 7 6 5 4 3 2 1P SSM Data SDI Label

msb lbs lsb msb32 31 30 29 ..............................................................................11 1

09 1 2 3 4 5 6 7 8

P SSM Data SDI Label

Page 3: ARINC 429

PARITY - PARIDAD

msb lbs msb lsb32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 11 1 1 0 1 0 1 0 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 0 1

P SSM Data SDI Label

msb lbs msb lsb

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 10 1 1 0 1 0 1 0 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 1

P SSM Data SDI Label

Page 4: ARINC 429

SSM

msb lbs msb lsb32 31 30 29.................................................................................11 1

09 8 7 6 5 4 3 2 1

P SSM Data, Pads, or Discretes SDI Label

Bit BCD numeric and discrete AIM File transfer31 300 0 Plus, north, east, right, to, above Intermediate word Intermediate word, plus, north, east, right, to, above

0 1 No Computed Data Initial word Initial word

1 0 Functional Test Final word Final word

1 1 Minus, south, west, left, from, below

Control word Intermediate word, minus, south, west, left, from, below

Page 5: ARINC 429

msb lbs msb lsb32 3

130

29

28..............................................................................11

10

9 8 7 6 5 4 3 2 1

P SSM Data, Pads, or Discretes SDI Label

Bit Significado31 30 290 0 0 Failure warning, plus, north, east, right, to

0 0 1 Failure warning, minus, south, west, left, from

0 1 0 No computed data, plus, north, east, right, to

0 1 1 No computed data, minus, south, west, left, from

1 0 0 Functional test, plus, north, east, right, to

1 0 1 Functional test, minus, south, west, left, from

1 1 0 Normal operation, plus, north, east, right, to

1 1 1 Normal operation, minus, south, west, left, from

Page 6: ARINC 429

SDI

msb lbs msb lsb32 31 30 29 ..............................................................................11 1

09 8 7 6 5 4 3 2 1

P SSM Data SDI Label

LRU

LRUSDI 00

LRUSDI 10

LRUSDI 11

LRUSDI 01

Source

Sinks LRU

LRUSDI 00

LRUSDI 10

LRUSDI 11

LRUSDI 01

Source

Sink

Full DuplexLink

Source

SinkSource

Sink

Source Sink Source Sink

Sink

Source

Page 7: ARINC 429

DATA

msb lbs msb lsb32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 1

09 8 7 6 5 4 3 2 1

0 1 1 0 1 0 1 0 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 1

P SSM Data SDI

Label

Page 8: ARINC 429

FIRST LDU

RTS Word

CTS Word

SOT Word

Data Word 1

1

2

Data Word 2 3

Data Word 253

254

EOT Word 255

ACK Word

RTS Word

CTS Word

SOT Word

Data Word 1

1

2

Data Word 2 3

EOT Word 4

ACK Word

LAST LDU

...

Page 9: ARINC 429

Otros protocolos

Avião - Modelo BusAirbus A310/A320 ARINC 429Airbus A330/A340 ARINC 629Boeing 727 CSDBBoeing 737 ARINC 429Boeing 747 ARINC 429Boeing 757 ARINC 429Boeing 767 ARINC 429Boeing 777 ARINC 629Bell Hellicopter ARINC 429Cessna Citation ASCB

1 CSDB : Commercial Standard Data Bus, desenvolvida pela Collins.Igual ao ARINC 429, CSDB é um bus unidireccional que pode ter duas taxas de transmissão de dados 12,5 Kbps e 50 Kbps. Compreende de um emissor e pode suportar até 10 receptores. ASCB : Avionics Standard Communications Bus, desenvolvida pela Honeywell.Bus bidirecional com um controle central. Um controlador de bus controla dois bus isolados que permite a separação dos seus sistemas críticos e não críticos. Cada bus suporta até 48 estações.

Tanto CSDB e ASCB trabalham em aeronaves privadas.

Avião - Modelo BusDeHavilland 8 ASCBATR 72 ASCBDassault Falcon 900 ASCBGulfstream IV ASCDMcDon.Dg. DC-8 CSDBMcDon.Dg. MD-11 ARINC 429F16 MIL STD 1553 AF18 MIL STD 1553 BL39 ARINC 429L59 ARINC 429