Figure 047A
R 1EFF : 106-149, 155-199, 208-299, 301-399, 1 31-32-00 Page A89/A90
1401-499, 1 Aug 01/05
1 1
1CES 1
CFDIU - Type 2 System Report Figure 048
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CFDIU - Type 2 System Report - Description Figure 049
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For all these functions, the CFDIU is no longer only used as an interface between the system and the MCDU: it reads, on the system-to-the-CFDIU bus, the data transmitted by the system and corresponding to the function selected, it then displays them on the MCDU. Among the functions proper to the BITE of a Type 2 system, only the TEST function implies an action on the system (request for transmission of data).
(c) Periods for the establishment of these reports and availability on the MCDU
**ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,
(Ref. Fig. 047)
R **ON A/C 106-149, 155-199, 208-299, 301-399, 401-499,
(Ref. Fig. 047A)
**ON A/C ALL
The figures referenced above detail the periods when these reports are memorized by the system and when these reports are available on the MCDU. It should be noted that these BITE functions are only available on the ground.
**ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,
(3) Type 3 systems (Ref. Fig. 050) For these systems, the only possible function is the TEST function (for the GCU emergency) or RESET (for the 3 TRs). The Type 3 systems do not have a Menu Mode: these functions are presented on the MCDU by the CFDIU. Their establishment mode is different from that of Type 1 and 2 systems. The Test or Reset function is established using data only available after execution of the Test or the Reset (not memorized by the BITE) that are transmitted by the system to the CFDIU during a certain time (a few hundred ms) on its output discrete.
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CFDIU - Type 3 System Report Figure 050
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When these functions are selected by the operator, the CFDIU
initiates the Test or the Reset via the CFDIU-to-the system discrete
and then reads the result on the system-to-the CFDIU discrete (=
discrete status) and creates a message (correct operation or fault)
on the MCDU.
These functions imply an action on the system.
R **ON A/C 106-149, 155-199, 208-299, 301-399, 401-499,
(3) Type 3 systems
(Ref. Fig. 050)
For these systems, the only possible function is the TEST function (for the GCU emergency and DLRB/DLS) or RESET (for the 3 TRs).
The Type 3 systems do not have a Menu Mode: these functions are presented on the MCDU by the CFDIU.
Their establishment mode is different from that of Type 1 and 2 systems.
The Test or Reset function is established using data only available after execution of the Test or the Reset (not memorized by the BITE) that are transmitted by the system to the CFDIU during a certain time (a few hundred ms) on its output discrete.
When these functions are selected by the operator, the CFDIU initiates the Test or the Reset via the CFDIU-to-the system discrete and then reads the result on the system-to-the CFDIU discrete (= discrete status) and creates a message (correct operation or fault) on the MCDU.
These functions imply an action on the system.
NOTE : Regarding DLRB/DLS, if the DLS display does not show the
____ STANDBY indication, the NO RESPONSE message is displayed in the scratchpad and the test cannot be executed.
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C. Printing of CFDIU and System Reports
(1)
Control of transmission of the contents of the page displayed by the CFDIU The CFDIU assigns the 6R line key PRINT * to the command and ensures transmission of data towards the printer. (Ref. Fig. 028, 030)
(2)
Control of transmission of the contents of the page displayed by a system
(a) Type 1 systems The system assigns the 6R line key PRINT > to the command and the CFDIU transmits the page memorized to the printer:
-if it receives the code of the 6R key (PRINT key on the MCDU),
-and if coding of bits 23 and 24 of the initial STX word of the
page is other than 23 at 0 and 24 at 1. (Ref. Fig. 044, 046)
(b) Type 2 and 3 systems The CFDIU assigns the 6R line key to the command and ensures transmission of data to the printer for these systems. (Ref. Fig. 049, 050) During printing the ">" or "*" sign is cleared by the CFDIU and replaced by "*" at the end of printing.
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