R 1EFF : 001-049, 051-060, 101-102, 301-399, 1 28-42-00Page 13 1 1 May 01/05 1 1 1CES 1 1EFF : ALL 1 28-42-00Page 14 1 1 Aug 01/05 1 1 1CES 1
R **ON A/C 001-049, 061-099, 101-149, 151-199, 201-299, 401-499, Post SB 28-1078 For A/C 001-049,101-102, (Ref. Fig. 003A) **ON A/C 001-049, 051-061, 101-105, 201-203,
(Ref. Fig. 004) **ON A/C 301-399,
R (Ref. Fig. 004A) **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499, Post SB 28-1087 For A/C 001-049,051-061,101-105,201-203, (Ref. Fig. 004B) **ON A/C 001-049, 051-061, 101-105, 201-203,
(Ref. Fig. 005) **ON A/C 301-399,
R (Ref. Fig. 005A) **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499, Post SB 28-1087 For A/C 001-049,051-061,101-105,201-203, (Ref. Fig. 005B) **ON A/C ALL
R 5. Interface_________ **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 006)
FQI System - Electrical Schematic (Refuel/Defuel Operation)
Figure 003A
R 1EFF : 001-049, 061-099, 101-149, 151-199, 1 Page 1528-42-00
1201-299, 401-499, 1 Aug 01/05
1 1
1CES 1
FQI System - Electrical Schematic (Wing Tank Probes) Figure 004 (SHEET 1)
R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 28-42-00Page 16 1 1 May 01/05 1 1 1CES 1
FQI System - Electrical Schematic (Wing Tank Probes) Figure 004 (SHEET 2)
R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 28-42-00Page 17 1 1 May 01/05 1 1 1CES 1
FQI System - Electrical Schematic (Wing Tank Probes)
Figure 004A
R 1EFF : 301-399, 1 28-42-00Page 18 1 1 Aug 01/04 1 1 1CES 1
INTENTIONALLY BLANK
R 1 1
28-42-00Page 19
1 1 Aug 01/04 1 1 1CES 1
FQI System - Electrical Schematic (Wing Tank Probes)
Figure 004B (SHEET 1)
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-42-00Page 20 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
FQI System - Electrical Schematic (Wing Tank Probes)
Figure 004B (SHEET 2)
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-42-00Page 21 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
FQI System - Electrical Schematic (Center Tank Probes)
Figure 005
R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 28-42-00Page 22 1 1 May 01/05 1 1 1CES 1R FQI System - Electrical Schematic (Center Tank Probes) R Figure 005A
R 1EFF : 301-399, 1 28-42-00Page 23 1 1 May 01/04 1 1 1CES 1
FQI System - Electrical Schematic (Center Tank Probes)
Figure 005B
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-42-00Page 24 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
FQI System - Interfaces
Figure 006
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-42-00Page 25 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 **ON A/C 301-399,
(Ref. Fig. 006A)
**ON A/C ALL
6. Component Description
_____________________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
A. FQI Computer (FQIC) 3QT The FQIC is contained in a 3MCU case. When the OBRM and the FQIC front panel are removed, access is made to the FQIC circuit cards. The circuit cards can be installed or removed, through the front of the computer.
Each circuit card is installed on a mother board assembly. The guide rails at the top and bottom of the case help to locate the circuit cards. The mother board assembly controls the complete computer interconnection. The electrical connection to the computer is made through an electrical connector.
The primary components of the computer are:
-
a dual power supply assembly
-
a data acquisition board
-
a Central Processing Unit (CPU) board
-
a dual card 5.
The FQIC has two processing channels that are the same. The channels are identified as Channel 1 and Channel 2. Each channel has a data acquisition board and a CPU board. The components that remain are common for each of the channels. Each channel does these operations:
-
computation of the fuel mass held in each wing tank and center tank
-
computation of the ACTUAL total fuel mass
-
computation of the PRESELECTED fuel mass
-
computation of the automatic refuel control
-discrete outputs to the refuel valves, and Flight Warning System (FWS) (Ref. 31-50-00)
-system failures
-continuous automatic tests for faults (BITE)
-Fuel Level Sense System (FLSS) BITE (Ref. 28-46-00)
-continuously monitors the status of the other channel
-ARINC 429 digital output to the interfaces.
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