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C. Output Discrete Signals This table includes all the two state analog parameters. In the following columns are given:
-
State Zero Parameter Definition : Open circuit.
-
State One Parameter Definition : Ground.
-TRANSMITTED TO : Computer or component which receives the signal.
-------------------------------------------------------------------------------|STATE ZERO PARAMETER DEFINITION|STATE ONE PARAMETER DEFINITION|TRANSMITTED TO| |-------------------------------|------------------------------|--------------| | CAPT AUTOLAND OFF | CAPT AUTOLAND ON |AUTOLAND | | | |LIGHT - CAPT | |-------------------------------|------------------------------|--------------| | CAPT MC OFF | CAPT MC ON |MASTER CAUTION| | | |LIGHT - CAPT | |-------------------------------|------------------------------|--------------| | CAPT MW OFF | CAPT MW ON |MASTER WARN | | | |LIGHT - CAPT | |-------------------------------|------------------------------|--------------| | F/O AUTOLAND OFF | F/O AUTOLAND ON |AUTOLAND LIGHT| | | |- F/O | |-------------------------------|------------------------------|--------------| | F/O MC OFF | F/O MC ON |MASTER CAUTION| | | |LIGHT - F/O | |-------------------------------|------------------------------|--------------| | F/O MW OFF | F/O MW ON |MASTER WARN | | | |LIGHT - F/O | |-------------------------------|------------------------------|--------------| | FWC NOT VALID | FWC VALID |FMGC 1/2 | |-------------------------------|------------------------------|--------------| | RED ARROW ON L/G CTL LEVER SW | RED ARROW ON L/G CTL LEVER SW|ANNLT TEST & | | UNIT OFF | UNIT ON |INTFC BOARD | |-------------------------------|------------------------------|--------------| | NO STALL | STALL ON | GPWC / | | | | P/B GPWS SYS | |-------------------------------|------------------------------|--------------|
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R **ON A/C 001-049, 062-099, 101-149, 151-199, 201-299, 301-399, 401-499, Post SB 31-1141 For A/C 001-049,062-099,101-105,151-156,201-203, FWC - ACQUISITION/INTERFACE - DESCRIPTION AND OPERATION
_______________________________________________________ R **ON A/C 001-049, 062-099, 101-149, 151-199, 201-299, 301-399, 401-499, Post SB 31-1155 For A/C 001-049,062-099,101-105,151-156,201-203,
1. General
_______ This note defines the interfaces between the various aircraft systems and the Flight Warning Computer (FWC).
Several signal types are used :
-Wired discretes
-Boolean on bus
-Digital on bus
-Analog on synchro
-supplies and miscellaneous.
2. Signal Types
____________
A. Wired Discretes
Each wired discrete is assigned to a computer input pin.
(1)
P-This type of discrete is defined by the two states (on data bus):
-
logic 0 : the computer detects ground
-
logic 1 : the computer detects absence of ground.
(2)
P+
This discrete is defined by the two states:
-
logic 1 : the computer detects +28VDC
-
logic 0 : the computer detects absence of 28VDC.
R 1EFF : 001-049, 062-099, 101-149, 151-199, 1 31-52-00Page 1 1201-299, 301-399, 401-499, 1Config-2 Aug 01/05 1 1 1CES 1
(3)
P- off
-
logic 0 : the computer detects disappearance of ground