Gaia
GAIA.ASU.SP.ESM.00007
Issue 2.00
Page 26 of 79
Astrium Ltd owns the copyright of this document which is supplied in confidence and which shall not be used for any purpose other than that for which it is supplied and shall not in
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
3.6.3 SpaceWire BUS Interfaces
AVI-277/EIU-2313,CDMU-3391,GSE-SYS-397/T
Interfaces shall be provided for the Spacecraft CDMU/EIU (2) SpaceWire BUS.
AVI-278/GSE-SYS-397/T
Each Interface shall provide the following services:
Redundant Bus Operation (A/B)
Bus Monitor Functions (Bus Spy)
AVI-288/EIU-2315,CDMU-3393/T
It shall be possible to operate the CDMU/EIU SpaceWire BUS data rates up to 10Mbs.
AVI-2767/CREATED/T
The SpaceWire BUS Interface cards shall be configured and controlled by the Avionics SCOE, or by
direct interface to the RTS for closed-loop Avionics testing.
AVI-289/CREATED/R
The SpaceWire BUS Interface cards shall be based on COTS or previously developed in-house
systems (where possible).
AVI-290/CDMU-3395/T,A
The SpaceWire BUS Interface Specification shall be as detailed in [AD05] Section 3.5.5.1.
AVI-376/CREATED/T
The Avionics SCOE shall provide decommutation of the SpaceWire BUS data for parameter
acquisition of each BUS.
AVI-3475/GSE-SYS-748/T
For each SpaceWire BUS, data acquisition and data generation shall be possible in parallel.
AVI-4239/GSE-SYS-747/T
For each SpaceWire BUS, Prime and Redundant BUS operation shall be possible in parallel.
AVI-2850/CREATED/T
The Avionics SCOE shall provide data simulation for each SpaceWire BUS.
AVI-1901/CREATED/T
It shall be possible to configure SpaceWire BUS operation from the local MMI, by definition from the
CCS (Test Procedure/Command Line) or from the RTS.
AVI-3440/CREATED/T
The following configuration options shall be available for each SpaceWire BUS:
Command: Comment
INITIALISE Reset, Disabled, Spy OFF
DISABLE Disabled, Spy OFF
ENABLE Enabled, Spy OFF
ENABLE SPY Spy ON (BUS may be disabled)
DISABLE SPY Spy OFF
ENABLE PASSIVE
2
Enabled, but does not respond on the BUS
DISABLE PASSIVE
2
Disabled
SET ERROR n Set specified ERROR on SpaceWire BUS
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Kommentare zu diesen Handbüchern