APPENDIX AVI212 Spezifikationen PDF herunterladen (Seite 3)

Gaia

GAIA.ASU.SP.ESM.00007

Issue 2.00

Page 3 of 79

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

CONTENTS

INTRODUCTION AND SCOPE..................................................................................................................6

1.1

Introduction..........................................................................................................................................6

1.2

Scope ..................................................................................................................................................6

1.3

Summary Description..........................................................................................................................7

1.4

Gaia Test Benches..............................................................................................................................7

1.4.1

Avionics Model Bench..................................................................................................................7

1.4.2

Spacecraft PFM AIT.....................................................................................................................8

DOCUMENTS ............................................................................................................................................9

2.1

Project Documents..............................................................................................................................9

2.1.1

Applicable Documents .................................................................................................................9

2.1.2

Reference Documents .................................................................................................................9

2.1.3

Standards.....................................................................................................................................9

AVIONICS SCOE REQUIREMENTS.......................................................................................................10

3.1

System Level Definition.....................................................................................................................10

3.2

Avionics SCOE Controller.................................................................................................................12

3.3

Avionics SCOE Grounding Requirements ........................................................................................13

3.4

Avionics SCOE Test Modes..............................................................................................................13

3.5

Timing, Synchronisation and Acquisition Requirements...................................................................14

3.5.1

Time Synchronisation ................................................................................................................14

3.5.2

Synchronisation .........................................................................................................................14

3.5.3

Data Acquisition.........................................................................................................................15

3.5.4

SCET Correlation.......................................................................................................................16

3.6

Spacecraft Interface Requirements ..................................................................................................18

3.6.1

Spacecraft Power Simulation.....................................................................................................18

3.6.2

1553 BUS Interfaces..................................................................................................................21

3.6.3

SpaceWire BUS Interfaces........................................................................................................26

3.6.4

PacketWire BUS Interfaces .......................................................................................................30

3.6.5

Combined CPS Interfaces .........................................................................................................34

3.6.6

Combined Micropropulsion (MPS) Interfaces............................................................................37

3.6.7

Fine Sun Sensor Interfaces .......................................................................................................41

3.6.8

Gyro HWIL Stimulation ..............................................................................................................45

3.6.9

Standard High Power Pulse Command Generation..................................................................46

3.6.10

Standard High Power Pulse Command Acquisition ..................................................................46

3.6.11

Alarm Simulation Interface.........................................................................................................47

3.6.12

Bi-level Telemetry Status Simulation Interface..........................................................................47

3.6.13

Separation Strap Simulation ......................................................................................................47

3.6.14

Relay Status Simulation.............................................................................................................47

3.6.15

Analog Voltage Simulation.........................................................................................................48

3.6.16

SREM Simulation.......................................................................................................................49

3.6.17

EGSE Synchronisation Pulse ....................................................................................................50

3.7

CCS Interface Requirements ............................................................................................................51

3.7.1

HK TM / Command & Control Interface.....................................................................................51

3.7.2

SCET/HREF Interface................................................................................................................52

3.7.3

TSP Interface.............................................................................................................................53

3.8

EGSE Real Time Network Interface Requirements..........................................................................54

3.8.1

Real-Time Network Synchronisation and Data Transfer ...........................................................54

3.8.2

Real-Time Network Definition & Responsibility .........................................................................55

3.9

Application Software Requirements..................................................................................................56

3.9.1

Initialization of the SCOE...........................................................................................................56

3.9.2

Control and Monitoring Sessions...............................................................................................57

3.9.3

Data Logging and Archive .........................................................................................................58

3.9.4

Command and Control Interface................................................................................................59

3.9.5

Avionics SCOE MMI ..................................................................................................................61

3.10

Avionics SCOE Cable Requirements............................................................................................62

3.11

Avionics SCOE Self Test...............................................................................................................63

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