A320飞机维护手册 AMM 指示/记录系统 7(25)

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R (Ref. Fig. 053)
 (4) Presentation of the various ECAM display configurations Table 4 gives the various possible ECAM display configurations according to the availability of the ECAM processing channels in the DMCs and the ECAM DUs. The list is not exhaustive. Each DMC ECAM channel can operate in either E/W mode, or S mode, or M (Mono) mode. When an ECAM DU must be supplied with DMC ECAM data through its alternate input, the DMC elaborates a control discrete signal which goes directly to both ECAM DUs to activate their alternate inputs. The two ECAM DUs always use their Normal or their Alternate input simultaneously.
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 TABLE 4

 -------------------------------------------------------------------------------| | | | DISPATCHING OF ECAM IMAGES : | |CASE| DMC 1,2,3 | Crew | DU inputs ((N or A)), Source DMC and ECAM | | N. | condition | Transfer | processor operating mode (E/W, S, Mono) | | | | Selections |----------------------------------------------| | | | | ND 1 | ECAM 1 DU | ECAM 2 DU | ND 2 | |----|------------|------------|----------|-----------|-----------|-----------| | 1 | NORM | NORM | ND | E/W ((N)) | S ((N)) | ND | | | | | | (DMC 1 | (DMC 2 in | | | | | | | in E/W) | S) | | |----|------------|------------|----------|-----------|-----------|-----------| | 2 | NORM |ECAM/ND F/O | ND | E/W ((N)) | / | S ((N)) | | | | | | (DMC 1 |(diagonal) | (DMC 2 | | | | | | in E/W) | | in S) | |----|------------|------------|----------|-----------|-----------|-----------| | 3 | NORM |ECAM/ND CAPT| S ((N)) | / | E/W ((N)) | ND | | | | | (DMC 1 | (diagonal)| (DMC 2 | | | | | | in S) | | in E/W | | |----|------------|------------|----------|-----------|-----------|-----------| | 4 |DMC 1 failed| NORM | / | / | E/W ((N)) | ND | | | | |(diagonal | | (DMC 2 | | | | | | line) | | in M) | | |----|------------|------------|----------|-----------|-----------|-----------| | 5 |DMC 2 failed| NORM | ND | E/W ((N)) | / | / | | | | | | (DMC 1 | | | | | | | | in M ) | | | |----|------------|------------|----------|-----------|-----------|-----------| | 6 | NORM | NORM | ND | X | | | | | | | |(DU failed)| E/W ((N)) | ND | | | | | | | (DMC 2 | | | | | | | | in M) | | |----|------------|------------|----------|-----------|-----------|-----------| | 7 | NORM |ECAM/ND F/O | ND | X | E/W ((A)) | S ((N)) | | | | | |(DU failed)| (DMC 1 | (DMC 2 | | | | | | | in E/W) | in S) | |----|------------|------------|----------|-----------|-----------|-----------| | 8 | NORM |ECAM/ND CAPT| S ((N)) | X | E/W ((N)) | ND | | | | | (DMC 1 |(DU failed)| (DMC 2 | | | | | | in S) | | in E/W) | | |----|------------|------------|----------|-----------|-----------|-----------| | 9 | NORM | NORM | ND | E/W ((N)) | X | ND | | | | | | (DMC 1 |(DU failed)| | | | | | | in M) | | | |----|------------|------------|----------|-----------|-----------|-----------| | 10 | NORM |ECAM/ND F/O | ND | E/W ((N)) | X | S ((N)) |
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 31-60-00Page A11 1201-299, 301-302, 1Config-1 May 01/05 1 1 1CES 1 -------------------------------------------------------------------------------| | | | DISPATCHING OF ECAM IMAGES : | |CASE| DMC 1,2,3 | Crew | DU inputs ((N or A)), Source DMC and ECAM | | N. | condition | Transfer | processor operating mode (E/W, S, Mono) | | | | Selections |----------------------------------------------| | | | | ND 1 | ECAM 1 DU | ECAM 2 DU | ND 2 | |----|------------|------------|----------|-----------|-----------|-----------| | | | | | (DMC 1 |(DU failed)| (DMC 2 | | | | | | in E/W) | | in S) | |----|------------|------------|----------|-----------|-----------|-----------| | 11 | NORM |ECAM/ND CAPT| S ((N)) | E/W ((A)) | X | ND | | | | | (DMC 1 | (DMC 2 |(DU failed)| | | | | | in S) | in E/W) | | | |----|------------|------------|----------|-----------|-----------|-----------| | 12 | NORM |ECAM/ND F/O | ND | X | X | E/W ((N)) | | | | | |(DU failed)|(DU failed)| (DMC 2 | | | | | | | | in M) | |----|------------|------------|----------|-----------|-----------|-----------| | 13 | NORM |ECAM/ND CAPT| E/W ((N))| X | X | ND | | | | | (DMC 1 |(DU failed)|(DU failed)| | | | | | in M) | | | |

 More generally, the consequences of FWS/EIS component failures on the availability of information displayed on the DUs given on table 5, hereafter.
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 TABLE 5

 -------------------------------------------------------------------------------| FAILURE | OPERATIONAL CONSEQUENCE | |---------------|-------------------------------------------------------------| | 1 DMC | NO | |---------------|-------------------------------------------------------------| | 2 DMCs | - Loss of PFD and ND images on either CAPT or F/O | | | instrument panel | | | - Loss of ECAM system image (possibility to get it back | | | temporarily). | |---------------|-------------------------------------------------------------| | 1 EFIS DU | Loss of ND image on the corresponding pilot's intrument | | | panel. Possibility to get the ND image back by means of | | | the PFD/ND XFR pushbutton switch. | |---------------|-------------------------------------------------------------| | UPPER ECAM DU | Automatic transfer of the Engine/Warning (E/W) image on | | | the lower ECAM DU, and subsequent loss of the System/Status| | | image : | | | - possibility to display the S image temporarily instead | | | of the E/W image when pressing ECAM CP keys | | | - possibility to display the S image permanently on either | | | ND instead of the ND image by means of the ECAM/ND | | | XFR switch. | |---------------|-------------------------------------------------------------| | LOWER ECAM DU | Loss of the S image. | | | Possibility to get it back temporarily or permanently | | | (same as above). | |---------------|-------------------------------------------------------------| | BOTH ECAM DUs | Loss of Engine/Warning and System images. | | | Possibility to have the Engine/Warning image displayed on | | | either ND by means of the ECAM/ND XFR selector switch. | | | Possibility to display momentarily the S image instead of | | | the E/W image. | |---------------|-------------------------------------------------------------| | NOTE : When there is only one DU left for the ECAM display ,priority is | | given to the E/W image display. However, should any monitored | | parameter exceed its corresponding ADVISORY threshold, the ADV white | | message flashes on the lower part of the E/W image and, on the | | ECAM CP, the key of the affected A/C system flashes in order to | | enable the pilot to find it easily and to consult the corresponding | | system image temporarily by pressing on the key. |
　
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