A320飞机维护手册 AMM NAVIGATION 导航2(153)

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 NOTE : In order to reduce GPS initialization time, the GPS 1(2)____ receives data from the ADIRU 1(2).
 The Inertial Reference (IR) portion of the ADIRU 1(2) provides the FMGC 1(2) with: - pure IR data - pure GPS data (in this case the ADIRU operates as a relay) - hybrid GPIR data. The hybrid GPIR 1(2) data are used by the FMGC 1(2) for position fixing purposes. The pure GPS data are used for display on the MCDU 1 and 2.
 In case of one GPS failure, the three ADIRUs automatically select the only operative GPS to compute hybrid GPIR data. In case of ADIRU 1 failure, the FMGC 1 uses ADIRU 3/GPS 1 data. In case of ADIRU 2 failure, the FMGC 2 uses ADIRU 3/GPS 2 data.

 

 MMR - Monitoring and Display
 Figure 002

R 1EFF : ALL 1 34-36-00Page 4 1 1 Config-2 Nov 01/00 1 1 1CES 1

 MMR - Data Acquisition
 Figure 003

R 1EFF : ALL 1 34-36-00Page 5 1 1 Config-2 Nov 01/00 1 1 1CES 1 NOTE : The primary source of the ADIRU 3 being the GPS 1, it is

____ necessary to select the secondary input port of the ADIRU 3 (GPS 2) by means of the ATT HDG selector switch (13FP) to preserve side 1/side 2 segregation (GPS 1/ADIRU 1/FMGC 1 and GPS 2/ADIRU 3/FMGC 2 architecture).
 In case of failure of two ADIRUs, the two FMGCs use only the
 operative ADIRU.
 This ADIRU receives data from its own side GPS (e.g. ADIRU 1 - GPS
 1).

 C. Maintenance Operation The MMR system provides the Centralized Fault Display Interface Unit (CFDIU) with an interface for onboard testing and fault reporting purposes. The MCDUs show the maintenance data.
 4. Power Supply
____________
 Each MMR system is energized through 115VAC busbars as follows:

 -401XP for system 1
 -204XP for system 2.
 The system is supplied through these circuit breakers:

 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU NAV/MMR/1 42RT1 G12
R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
 121VU COM NAV/MMR/2 42RT2 L07
 **ON A/C 001-049, 051-061, 101-105, 201-203,
 Post SB 34-1147 For A/C 001-004,051-060,
 121VU COM NAV/MMR/2 42RT2 K09
 1EFF : ALL 1 34-36-00Page 6 1 1 Config-2 Aug 01/05 1 1 1CES 1

 **ON A/C ALL

 5. Interface
_________
 A. ILS Interface
 (1) ILS digital outputs The ILS transmits data in compliance with the low speed ARINC 429 standards. The table below contains all the output parameters in the numerical form.
 -------------------------------------------------------------------------------| PARAMETER LIST PARAMETER CHARACTERISTICS (NUMERIC) | -------------------------------------------------------------------------------|EQ.SYS.LAB.SDI|PARAMETER | WORD RANGE |UNIT|SIG |BITS|XMSN|CODE|ALPHA|SOURCE | | |DEFINITION| OPER RANGE | |BIT | |INTV| |CODE |ORIGIN | | |(*=REMARK)| RESOLUTION | | | | | | |BUS No.| | |(X=NOTE) | ACCURACY | | | | | | |ATA REF| | | | | | | | | | |CONV | -------------------------------------------------------------------------------| 173 | LOCALIZER|+ or - 0.155| DDM| 29 | 12 | 50 | BNR| | | | | DEVIATION| | | | | ms | | | | | | | | | | | | | | | | 174 | GLIDE |+ or - 0.175| DDM| 29 | 12 | 50 |BNR | | | | | SLOPE | | | | | ms | | | | | | DEVIATION| | | | | | | | | | | | | | | | | | | | | 033 | ILS |FROM 108.10 |MHz | | 15 |200 |BCD | | | | | FREQUENCY| TO 111.95 | | | | ms | | | | | | | | | | | | | | | | 017 | RUNWAY | FROM 0 TO |Deg.| | 15 |300 |BCD | | | | | HEADING | 359.9 | | | | ms | | | | | | | | | | | | | | | | 105 | RUNWAY | FROM 0 TO |Deg.| | 11 |300 |BNR | | | | | HEADING | 359.9 | | | | ms | | | | | | | | | | | | | | | | 263 |ILS GROUND| | | | 14 |150 |HYB | | | | | STATION | | | | | ms | | | | | | IDENT | | | | | | | | | | | | | | | | | | | | | 264 |ILS GROUND| | | | 14 |150 |HYB | | | | | STATION | | | | | ms | | | | | | IDENT | | | | | | | | | | | | | | | | | | | | | 271 | MMR | | | | 19 |400 |DISC| | | | | DISCRETE | | | | | ms | | | | -------------------------------------------------------------------------------
1EFF : ALL 1 34-36-00Page 7 1 1 Config-2 May 01/04R 1 1 1CES 1

 INTENTIONALLY BLANK

R 1 1

34-36-00Page 8
1 1 Config-2 May 01/04 1 1 1CES 1R B. GPS Interface

R (1) GPS digital outputs The GPS has three independently buffered high-speed ARINC 429 digital output buses connected to the three ADIRUs. The table below contains all the output parameters in numerical form.
 -------------------------------------------------------------------------------| PARAMETER LIST PARAMETER CHARACTERISTICS (NUMERIC) | -------------------------------------------------------------------------------|EQ.SYS.LAB.SDI|PARAMETER | WORD RANGE |UNIT|SIG |BITS|XMSN|CODE|ALPHA|SOURCE | | |DEFINITION| OPER RANGE | |BIT | |INTV| |CODE |ORIGIN | | |(*=REMARK)| RESOLUTION | | | | | | |BUS No.| | |(X=NOTE) | ACCURACY | | | | | | |ATA REF| | | | | | | | | | |CONV | -------------------------------------------------------------------------------| | | | | | | | | | | 060 | MEASURE- | Pack | N/A| N/A| | 1s | | | | | MENT STS | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | | |+/-268435456| | | | | | | | 061 | PSEUDO | 256 | M | 20 | | 1s |BNR | | | | RANGE | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | 062 | PSEUDO | 256 | M | 11 | | 1s |BNR | | | | RANGE | 0.125 | | | | | | | | | FINE | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | 063 | RANGE | +/-4096 | M/S| 20 | | 1s |BNR | | | | RATE | 0.0039 | | | | | | | | | | | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | | | | | | | | | | | 064 | DELTA | +/-4096 | M | 20 | | 1s |BNR | | | | RANGE | 0.0039 | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | | | | | | | | | | | 065 | SV POS X | +/-67108864| M | 20 | | 1s |BNR | | | | | 64 | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | | | | | | | | | | | 066 | SV POS X | 64 | M | 14 | | 1s |BNR | | | | FINE | 0.0039 | | | | | | | |--------------|----------|------------|----|----|----|----|----|-------------| | | | +/-67108864| | | | | | | | 070 | SV POS Y | 64 | M | 20 | | 1s |BNR | | | | | | | | | | | |
　
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