------------------------------------------| BITS | 10 9 | |-------------------|--------------------| | Engine 1 | 0 1 | | Engine 2 | 1 0 | ------------------------------------------
The status matrix definition is as follows :
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------------------------------------------| BITS | 31 30 | |-------------------|--------------------| | Failure warning | 0 0 | | Not computed data | 0 1 | | Test | 1 0 | | Normal operation | 1 1 | ------------------------------------------
The data transmitted on the ARINC 429 line is defined in the following tables
-------------------------------------------------------------------------------| PARAMETER | LABEL| UPDATE| BINARY| SIGNIFICANT| OPERATING| UNITS| | | | TIME | RANGE | BITS | RANGE | | | | | (ms) | | | MIN | MAX| | |-----------------------|------|-------|-------|------------|-----|----|------| | N1 vibration | 135 | 200 | 12.8 | 7 | 0 | 10| | | N2 vibration | 136 | 200 | 12.8 | 7 | 0 | 10| | | Unbalance phase | 226 | 200 | 512 | 9 |-180 |+179|Degree| | Unbalance displacement| 227 | 200 | 25.6 | 8 | 0 | 25|mils | | N1 speed | 346 | 200 | 256 | 14 | 15 | 120|Degree| | | | | | | | | Rpm | | N2 speed | 344 | 200 | 256 | 14 | 15 | 120|Degree| | | | | | | | | Rpm | | Discrete word | 035 | 200 | | | | | | | Maintenance word (a) | 356 | 200(b)| | | | | | -------------------------------------------------------------------------------
EVMU ARINC Output Data Bus
(a) Label 356 is used for communication with the CFDS. Its definition is in accordance with the CFDS communication (Ref. 31-30-00).
(b) 200 ms in normal mode. 30 ms in menu mode.
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-----------------------------------------------------------------| | | BIT STATUS | | BIT No. | FUNCTION |--------------- | | | | 1 | 0 | |-----------|----------------------------------|-------|--------| | 1 | | | X | | 2 | | | X | | 3 | | | X | | 4 | | X | | | 5 | Label | X | | | 6 | | X | | | 7 | | | X | | 8 | | X | | | 9 | SDI | | | | 10 | SDI | | | | 11 | N1 vib above advisory | Yes | No | | 12 | N2 vib above advisory | Yes | No | | 13 | Accelerometer reconfiguration | Yes | No | | 14 | Spare always at 1 | | | | 15 | Frequency analysis performed | Yes | No | | 16 | N1 bearing accel channel Fault | Yes | No | | 17 | TRF accel channel Fault | Yes | No | | 18 | N1 speed channel Fault | Yes | No | | 19 | N2 speed channel Fault | Yes | No | | 20 | Unbalance Fault | Yes | No | | 21 | Frequency Fault | Yes | No | | 22 | NVM Fault | Yes | No | | 23 | BB above threshold | Yes | No | | 24 | Spare | | | | 25 | Spare | | | | 26 | Spare | | | | 27 | Adv on sel. acc. in flight or | Yes | No | | | other acc. in FP6 | | | | 28 | EVM SYST CLASS II FAULT | Yes | No | | 29 | EVMU CLASS I FAULT | Yes | No | | 30 | SSM | | | | 31 | SSM | | | | 32 | Parity | | | -----------------------------------------------------------------
EVMU Status Word-Label 035
F 『R EEFF : 001-049, 052-099, 101-149, 151-199, E Page 2077-30-00
E E201-299, 301-399, 401-499, Aug 01/05 E E ECES E F 『R EEFF : 051-051, E Page 2177-30-00
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R **ON A/C 051-051,
R -----------------------------------------------------------------
R | | | BIT STATUS |
R | BIT No. | FUNCTION |--------------- |
R | | | 1 | 0 |
R |-----------|----------------------------------|-------|--------|
R | 1 | | | X |
R | 2 | | | X |
R | 3 | | | X |
R | 4 | | X | |
R | 5 | Label | X | |
R | 6 | | X | |
R | 7 | | | X |
R | 8 | | X | |
R | 9 | SDI | | |
R | 10 | SDI | | |
R | 11 | N1 vib above advisory | Yes | No |
R | 12 | N2 vib above advisory | Yes | No |
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