APPENDIX AVI212 Especificações descarregar pdf (Página 23)

Gaia

GAIA.ASU.SP.ESM.00007

Issue 2.00

Page 23 of 79

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whole or in part be reproduced, copied, or communicated to any person without written permission from the owner.

GAIA.ASU.SP.ESM.00007 (Avionics SCOE Req Iss 2).doc

AVI-2865/CREATED/T

It shall be possible to enable/disable the 1553 BUS SPY function at any time from the local MMI or by

command from the CCS.

AVI-1897/CREATED/T

Configuration of the BUS shall be possible from the local MMI, from the CCS (Test Procedure) or from

the RTS.

AVI-3116/CREATED/T

The following configuration options shall be available for each RT of the 1553 BUS:

Command: Comment:

INITIALISE RT Reset RT, RT Disabled, Spy OFF

DISABLE RT RT Disabled, Spy OFF, SA configuration maintained

ENABLE RT RT Enabled, Spy OFF, all SA enabled

ENABLE SA Enable SA on specified RT (RT must be enabled)

DISABLE SA Disable SA on specified RT (RT must be enabled)

ENABLE SPY Spy ON (RT may be disabled)

DISABLE SPY Spy OFF

ENABLE PASSIVE

RT Enabled, but does not respond on the BUS

DISABLE PASSIVE

RT Disabled

SET ERROR n Set specified ERROR on RT

Note

: The purpose of PASSIVE mode operation on the 1553 BUS is to allow Models of the RTS to operate

in parallel with real Spacecraft Units without responding to commands on the BUS.

AVI-3117/CREATED/T

As a minimum, it shall be possible to set the following errors on any RT of the 1553 BUS:

• No response on the RT

• Parity error

• Word Count error

• All error bits of the Status Word

AVI-3152/CREATED/T

It shall be possible to set transient and permanent errors for each RT.

3.6.2.1 1553 BUS Spy Extraction Tool

AVI-3153/CREATED/T

A tool shall be provided to allow data previously stored in 1553 BUS Spy files to be extracted to a file

or displayed in a viewer.

AVI-4070/CREATED/T

For file output, a file header shall be inserted giving the following information:

• File name from which the extraction is performed.

• Extraction date.

• The Extraction options selected.

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