Equipment User Manual Definition Document
Contents
1. 11 1 FAILURE DETECTION AND MONITORING This section shall describe the failure detection and monitoring mechanisms applied for the lt EARTHCARE Equipment covering use of internal monitoring external onboard monitoring and ground based monitoring 11 2 1 Internal Monitoring List and describe the monitoring functions active within the equipment itself Mode dependencies monitoring frequencies trigger thresholds and filtering values should be included The identifier of the internal corrective action applied in the event of triggering should be identified the detailed description of the corrective actions will be in the next section In addition the justification for the monitoring should be given 11 2 2 External Monitoring List and describe the monitoring functions to be performed external to the equipment e g by the onboard software or Ground Mode dependencies monitoring frequencies trigger thresholds and filtering values should be included The identifier of the external corrective action applied in the event of triggering should be identified the detailed description of the corrective actions will be in the next section In addition the justification for the monitoring should be given 11 2 FAILURE ISOLATION AND RECOVERY The objective of this section is to define a logical flow of activities to allow the onboard failure to be isolated and corrected down to the level of available redundancy or equipment unit re boot The a2. zb Doc No EC IRD ASD SY 00019 EADS ue EarthCare Issue 1 z3 Ss Gori rm Date 23 02 2009 Page 1 of 30 Title Equipment User Manual Definition Document CI No 0000 DRL Refs TBD LONE Name C D ES Prepared by Schwab Armin 23 02 2009 PR as IE i Checked by Gotsmann Michael 10 05 0 a Product Assurance Gessler Leo Zo O5 8 Configuration Mgmt Mrohs Waldemar 20 03 08 9 Pres Project Management Slansky Uwe Ze J v4 Orr Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 EADS EarthCare Issue 1 Date 23 02 2009 E EE E IL Page 2 of 30 Change Record Issue Date Sheet Description of Change 1 23 02 2009 all first issue Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 EADS 7 EarthCare Issue 1 ees Date 23 02 2009 Se Es E rILInm Page 3 of 30 Table of Contents TS INTRODUGTION MERE 5 1 1 Scope of the Document 5 1 2 References ice He A eal ed ag del evens 5 1 2 1 Applicable Doecutments uicit chr rente RE eR es Een e eda e ae tc ERRAT 5 1 2 2 Normative Ree E 5 1 2 3 Beference Documentsz ener eia een 5 13 Requirments RL EE 5 2 EARTHCARE USER MANUAL VOLUME CONTENT DEFINITION eene nnns 7 HN EE DION c rc EE 9 EC 9 1 2 DOCUMENTS oe Oeo ae Cr a be Re etie 9 1 3 TERMS AND DEFINITIO NS die a Pe Eo abe ed ea etd eas 9 2 lt EARTHCARE EQUIPMENT
3. FUNCTIONAL CHARACTERISTICS serene 10 2 1 FUNCTIONAL OBJECTIVE Si ergeet ege tx itd rt Ra ete Ee t ba jan 10 2 2 PHINGIPEE OF OPERATO N tide t dal the ibd la e e Eon 10 3 lt EARTHCARE EQUIPMENT CONFIGURATION esses enne nn nennen 10 3 1 PHYSICAL CONFIGURATION ka 10 3 3 FUNCTIONAL CONFIGURATION sense cage nan cnn rca ren rra nn 12 AREDUNDAN CA a a 12 4 lt EARTHCARE EQUIPMENT gt MODERN 13 4 1 MODE DESCRIPTIONS ua caia adria 13 4 2 lt EARTHCARE EQUIPMENT gt MODE TRANSITIONS sse nennen nennen 14 5 OPERATIONAL INTEREAGES 3 2 5 22 RR roter ete ente era D eade Fo e ER oa RR aA DU eredi bote 15 53 CONTROL SIGNALS ede et ata iene ead A a a Wh aas 15 5 2 COMMAND MECHANISMS nto eee ate det eludet 15 5 3 TELEMETRY MECHANISM 5 2 lapas 15 6 OPERATIONS AND GONSTHRAINTS 3 2 teet c Eee hte m eei tetas ce ra ee gota 16 6 1 ROUTINE OPERATIONS entree inneren ittis sn aiea aaa aaa aaae piia sinis enter nnns 16 6 2 LAUNCH INITIAL SWITCH ON AND IN ORBIT CHECK OUT 16 6 3 OPERATIONS AND CONSTRAINTS FOR GROUND INITIATED RECONFIGURATIONS 16 6 4 GENERAL CONSTRAINTS AND LIMITATIONS nennen nentes nnns trenes 16 7 GOMMAND AND CONTEBQObL iiit t ente tii 19 9 OBSEBRVABIBIINES n ettet o A e abs ENEE 20 9 SOETWARE waist tenes eee iii ee eee ie ex c dev ee a t die aie ete 21 9 1 SOFTWARE FUNCTIONAL BREAKDOWN ener nennen senten cnn narrar sinet ns 21 9 2 IMPLEMENTATION OF THE PACKET UTILIS
4. Issue 1 EADS eriin Estos Date 23 02 2009 Page 27 of 30 15 BUDGETS This chapter should contain all operationally meaningful budgets that are relevant at equipment level Budgets to be considered are Mass Moment of inertia Mechanical Disturbance Telecommand Telemetry Measurement data rate Power Thermal dissipation Microprocessor Loads Microprocessor Memory Data Bus load 16 LIST OF ABBREVIATIONS This chapter should contain all abbreviations as used in the main body of the User Manual Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 EA DS m EarthCare Issue 1 Date 23 02 2009 zeiebrium Page 29 of 30 ANNEXES ANNEX 1 Detailed Configuration Drawings All drawings as required by section 3 2 2 ANNEX 2 Internal Event Tables This Annex should contain the internal command event tables if relevant These should detail all actions as a result of commands or autonomous actions on an event by event basis even if they are not directly visible in the telemetry data Relevant timing information should be included ANNEX 3 Command and Control Diagrams Command and control diagrams provide a diagrammatic representation of the relationship between bus level commands acquisitions control signals and controllable entities such as relays They should contain representation of all controllable and observable switchable elements and give visibility of command and acquisition data interfaces The diagrams shall
5. be fully described including provision of the SW labels offsets and associated word values 9 2 IMPLEMENTATION OF THE PACKET UTILISATION STANDARD EC PUS This section shall describe the application and implementation of the EC PUS into the lt EARTHCARE Equipment software including specific services tables and other data structures as needed Reference to SW User Maunal may be provided 10 MICROPROCESSORS AND MEMORIES This section shall describe all microprocessors their hardware software interfaces and memories contained in lt EARTHCARE Equipments The following information should be provided e Anoverview of the processor memory map e The method and constraints for dumping the memory to the ground this should include allowed SW modes limitations due to page boundaries etc e The method and constraints for obtaining the checksum of specified areas of memory e The method and consiraints for patching the memory this should include allowed SW modes limitations due to page boundaries etc e Information about memory protection mechanisms e g scrubbing routines EDAC etc Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 Issue 1 EADS E r iLim Esse Date 23 02 2009 Page 22 of 30 11 FAILURE DETECTION ISOLATION AND RECOVERY FDIR This chapter shall allow the ground to isolate the cause of onboard anomalies to the extent that recovery can be made using available onboard resources as e g redundancy
6. of the processing performed on the sensor data the algorithms used selection or rejection criteria if under the responsibility of the contractor Definition of the required ground SW processing of the science data ANNEX x Other Information Additional annexes should be provided for any other information that needs to be in the User Manual but whose bulk is such that it is not appropriate to include it within the main body of the User Manual Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 Issue 1 EADS EarthCare Date 23 02 2009 etbrium Page 29 of 30 In some cases it may also be appropriate to include a complete document within the User Manual In this case the whole document can be attached as an annex to the User Manual Astrium GmbH All rights reserved EADS Doc No EC IRD ASD SY 00019 1 EarthCare Issue Se ES Er Lim Date 23 02 2009 Page 30 of 30 3 USER MANUAL DELIVERY SCHEDULE For the User Manual the following delivery schedule is proposed TBO UM Required Content Due Date Issue 1 Initial Information Functional description including PDR TM TC definition 2 Complete document including all nominal and CDR contingency procedures 3 Complete document reflecting the latest state of DRB Note knowledge of the Equipment Note 1 1 Note 1 Dedicated User manuals required for each delivered model e g EM FM Astrium GmbH All ri
7. unit should be provided This table should be in the following format Name Cl Description Reference R Cl Configuration Item Number R Redundant assembly unit lt EARTHCARE Equipment gt Hardware List Table 3 2 1 1 lt EARTHCARE Equipment gt Hardware List 3 2 2 lt EARTHCARE Equipment gt Assemblies amp Units and their Accommodation on EARTHCARE This section should provide a physical description of the equipment assemblies and units and the accommodation of them on the EARTHCARE spacecraft In particular the following should be covered e description of structure and physical layout e description of thermal control hardware and its locations e description of fields of view and zones of impingement e description of mechanisms including those for deployments and releases This description should be supported by detailed drawings contained in Annex 1 of the USER MANUAL Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 1 EADS EarthCare Issue Date 23 02 2009 zeiebrium Page 120f30 3 3 FUNCTIONAL CONFIGURATION 3 3 1 Functional Block Diagram Provide a functional block diagram identifying all assemblies and units all internal interfaces and all external interfaces Provide supporting descriptive text describing how the assemblies and units function together at equipment level and how they are interfaced to other external equipments 3 3 2 Functional Descripti
8. 1 2 References 1 2 1 Applicable Documents AD 3 SRDB Population Requirements EC IRD ASD SY 00003 AD 5 Equipment Property Workbook Population EC IRD ASD SY 00020 Requirements AD 110 EarthCARE Packet Utilization Standard EC STD ASD SY 00001 1 2 2 Normative Documents 1 2 3 Reference Documents 1 3 Requirments Definitions Requirements in this specification are identified as follows EUM nnn lt source gt V lt Summary gt where e EUM is the prefix for requirements e nnn is a running number assigned by the DOORS tool not editable e source reads either created when the requirement is generated by the prime or it gives the reference requirement number from an upper level applicable document e V is the proposed verification method which is either Astrium GmbH All rights reserved EADS Doc No EC IRD ASD SY 00019 eserim O Oo j E r h r Issue 1 arthCare Date 23 02 2009 Page 6 of 30 R for Review of Design in this document R means that the requirements is already covered by the proposed SIS Astrobus tool and the according documentation In the next phase a compliance matrix will be provided which requirement is covered where in which document T for Test I for Inspection A for Analysis e Summary is a short heading for the requirement text The character style of the requirements text is in italic Astrium GmbH All rights reserved Doc No EC IRD
9. ASD SY 00019 Issue 1 EADS e EarthCare Date 23 02 2009 Sserium Page 7 of 30 2 EARTHCARE USER MANUAL VOLUME CONTENT DEFINITION EUM 001 lt CREATED gt V lt Equipment User Manual Contnt gt The equipment user manual shall provide all technical information necessary to permit the customer to Prepare and validate the EarthCARE space segment segment including the satellite software simulator Establish the operational databases including TM TC and Flight Dynamics Operate and control the EarthCARE spacecraft in nominal and contingency cases for all phases of the mission EUM 002 lt CREATED gt V Equipment User Manual Consistency gt The contents of the equipment user manual shall be internally consistent and consistent with the the equipment ICD and the related electronically readable equipment physical property work book acc AD 05 the equipment TM TC ICD and the related electronically readable equipment TMTC database acc AD 03 EUM 003 lt CREATED gt V ICD amp TMTC DB version gt The content of the equipment user manual shall uniquely indicate to which version of the equipment ICD and the TMTC data base it relates EUM 004 lt CREATED gt V Equipment User Manual Content gt The content of the ESUM shall be consistent with the latest release of the on board software and indicate to which versions for equipment with software it relates EUM 005 lt CREATED gt V Equipme
10. ATION STANDARD EC PUS sss 21 10 MICROPROCESSORS AND MEMORIES sse ener ennt innen inris 21 11 FAILURE DETECTION ISOLATION AND RECOVERY FDIR seseseeenenenennn nn 22 11 1 FAILURE DETECTION AND MONITORING essent nnn ran canaria anar entrent 22 11 271 Nema Monno esisi ai eaa r te eet rete EE ENEE EE 22 11 2 2 External MOMONG ee eani aii i a i eene entem naar nean a ai a a eiddi 22 11 2 FAILURE ISOLATION AND RECOVERY cnocccccoccccconcnonnonanoccnnncnnnnnnnnnn nn non reiner sn nr n entere anna anar nn sinn en 22 12 NOMINAL PROGEDURES 5 nti hee i id 23 Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 Issue 1 EADS EarthCare Date 23 02 2009 SSEri m Page 40f30 13 CONTINGENCY RECOVERY PROCEDURES stt ttt nnne 25 14 EARTHCARE EQUIPMENT ON GROUND OPERATION ssett tenen 26 EIERE 27 6 EIS TOF ABBREVIATIONS dosis E AA AE 27 ANSES T EE E E E E E 28 3 USER MANUAL DELIVERY SCHEDULE ccsssssssssssssscscssssssssnessesccssssssneseesecesssssunmesseeesssssssueseeeeeessnen 30 O Astrium GmbH All rights reserved Doc No EAD E EarthCare Issue S rm RE 1 INTRODUCTION 1 1 Scope of the Document EC IRD ASD SY 00019 1 23 02 2009 5 of 30 The scope of this document is to provide the requirements for the generation of the equipment user manual of the EarthCARE Space Segment The equipment user manual will serve AIT as well as Flight Operation purposes
11. HCARE EQUIPMENT FUNCTIONAL CHARACTERISTICS 2 1 FUNCTIONAL OBJECTIVES Give a brief overview of the purpose of the equipment 2 2 PRINCIPLE OF OPERATION Describe how the functionality described in the previous section is achieved and give a summary of the expected equipment performance including relevant spec values 3 lt EARTHCARE EQUIPMENT CONFIGURATION The objective of this chapter is to give a complete and accurate design description of the physical and functional implementation of the equipment This should consist of 3 sections as follows Physical configuration Functional configuration Redundancy These sections are expanded below 3 1 PHYSICAL CONFIGURATION This section should identify all physical assemblies and units in the subsystem and their physical location on the spacecraft 3 1 1 Units and Assemblies A configuration block diagram of the equipment showing all its assemblies and units should be given in the format of Astrium GmbH All rights reserved T Doc No EC IRD ASD SY 00019 EADS um EarthCare Issue 1 Date 23 02 2009 e sbrium Page 11 of 30 Unit 11 Unit 21 Unit 31 Unit 12 Unit 22 Unit 32 Unit 13 Unit 23 Unit 33 A table listing the Configuration Item Number of each assembly unit and whether it is the prime or redundant assembly
12. Lyn X O ae 2 DH Moore Colin z zizir rir gompoji o als gt ai ar D HINID o o c 93 a z ge jaala 3 SI jo m ben 2 D M nzenmayer Ralf Purvinskis Robert Reinert Thido aia N AEN nia o2 M jO git als O amp un 3 Richter J rgen Sprague Mike Pees Ruf Daniel Tucker Liz R he Wolfgang Willis Steve Sander J rgen Schuler Thomas Schwab Armin Sommer Anette Viehmann D Weih Erich Wiedmann G nther Wiehe Birgit Bursch Stefan Sontag Heinz Stelter Christian Welsch Mario Gessner Roland x
13. ained within each TM packet e the generation rate and trigger cyclic or on specified event for each packet e datation information e g the relative age of the data contained within the packet with respect to the time in the TM packet header For each parameter a detailed description of its meaning and its behaviour should be given Note Science data produced by the equipment may be subject to the dedicated Annex 7 O Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 EADS EarthCare Issue 1 Date 23 02 2009 SP rm Page 210f30 9 SOFTWARE This section shall describe SW functions specific to the lt EARTHCARE Equipment gt This should consist of sections as follows Software Functional Breakdown Implementation of the Packet Utilisation Standard These sections are expanded below 9 1 SOFTWARE FUNCTIONAL BREAKDOWN This section shall give a high level overview of the EARTHCARE Equipment software and shall also provide a functional breakdown of the EARTHCARE Equipment software into its individual elements including interfaces to hardware In particular the following information shall be provided e A task description giving a mapping of SW tasks onto software modules and giving an overview of the SW implementation and scheduling including the use of interrupts e In the case that any patches are identified to be up linked from ground for either nominal or contingency operations these shall
14. ctivities shall be described for onboard as well for on ground FDIR needs The start point for this must always be the anomaly message contained in the TM e g event message The logic should be presented in the form of a flow diagram or a table with references to procedures in chapters 12 and 13 as appropriate These failure localisations must be based on the FMECA and must either replicate information contained in the FMECA or make reference to the FMECA which must then be included as an Annex to the User Manual Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 Issue 1 EADS E riLim SR Date 23 02 2009 Page 23 of 30 12 NOMINAL PROCEDURES All lt EARTHCARE Equipment gt nominal procedures shall be detailed in this chapter Each procedure shall include a text header and a tabular body The text header shall consist of the following e Procedure Name consisting of a short meaningful description of the procedure and a unique identifier The unique identifier shall be of the form FCP xx nnn where FCP denotes that the name is a nominal flight control procedure xx is the equipment code nnn is a counter to distinguish between different nominal flight control procedures in the equipment e Procedure Objective consisting of a description of the principal aims of the procedure e User Manual Reference referring to the relevant part of Chapter 6 e Initial Conditions specifying the context in which the procedure can be
15. efinition gt The equipment user manual shall be provided as defined by the content definition for the User Manuals for EarthCARE equipments Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 1 EADS EarthCare Issue ae Date 23 02 2009 Sselrium Page 9 of 30 1 INTRODUCTION 1 1 SCOPE Include the following text This User Manual contains all information necessary for proper operation of the integrated lt EARTHCARE equipment gt to be flown on EARTHCARE In particular this manual describes in detail any procedure to follow and any constraint or limitation to be considered This manual covers not only all relevant mission phases but also the on ground operation The current issue of this document deals with the lt EARTHCARE equipment gt lt EM FM gt 1 2 DOCUMENTS 1 2 1 Applicable Documents List all applicable documents for this USER MANUAL AD 1 AD 2 1 3 2 Reference Documents List all the source documents and the used issue for the information contained in this USER MANUAL The operational information in this document is derived form the following reference documents RD 1 RD 2 1 3 TERMS AND DEFINITIONS Any terms and conditions should be included here Definition of reference frames and reference models should be included here Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 Issue 1 EADS Er iLim Esse Datei 23 02 2009 Page 10 of 30 2 lt EART
16. es CRPs shall be detailed in this chapter Each procedure should use the same layout as used in Chapter 12 The contingency recovery procedure unique identifier shall be of the form CRP xx nnn where CRP denotes that the name is a contingency recovery procedure xx is the equipment code nnn is a counter to distinguish between different contingency recovery procedures in the equipment The structure of the procedures shall be identical to those in section 12 Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 EADS EarthCare Issue 1 Date 23 02 2009 etbrium Page 26 of 30 14 lt EARTHCARE EQUIPMENT gt ON GROUND OPERATION This chapter should describe all aspects of the subsystem operation specific to on ground operations The following items shall be included at minimum Reference to Installation procedures Specific preparations for any operation of the equipment in specific test environment GSE to be used to operate the equipment Operations of the GSE On ground operations constraints thermal On ground handling constraints Special protections provisions required for on ground operation including all safety hazardous aspects Life limitation for on ground operations Specifics for individual models shall be considered i e if an EM provides other characteristics or specific constraints as an FM Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019
17. ge 19 of 30 7 COMMAND AND CONTROL This chapter describes the means of controlling the EARTHCARE Equipment Operational interfaces can be found in Chapter 5 Operations and Constraints in Chapter 6 and procedures are described in Chapters 12 and 13 A table listing all lt EARTHCARE Equipment gt commands available to the ground should be provided For each command this table should include the command name the command ID a brief description of the command function any mode dependency for the command how to verify execution of the command ana if relevant the execution time of the command In addition to this table a description should be defined for each command giving e a pictorial representation of the command layout and structure showing each parameter as a separate field e a detailed description for each parameter giving its meaning its format and a definition of how to compute it e a detailed description of the command function including the sequence of actions performed on the subsystem e any constraints associated with the command Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 Jj Earth r Issue 1 EADS Sis arthCare Date 23 02 2009 Page 20 of 30 8 OBSERVABILITY This chapter should give a comprehensive description of all the HK data TM or TM packets produced by the EARTHCARE Equipment This should include e the layout of each HK data TM packet and identification of the parameters cont
18. ghts reserved EarthCARE Doc No EC IRD ASD SY 00019 Issue 1 Distribution Sheet Date 23 02 2009 Transfer to Doc office via from ftp server File server A Schwab creeren e mail O E O Name paper O O O nee S SE See eerst TR o SPRINT Notes to Document Status ASD project limited ASD coy ASF Gony Ext Companies Copy Toulemont Yves Allgaier Andreas Galzin Josette SEA Barilaro Sandro Bonnes Evelyne SSTL Ooo Breitling Walter Antoine Pierre Oliver ees RE Brendle Klaus Amoux J O O Berlioz P f Cusson Bruno Besse P Duske Norbert Camus Fabrice Faust Thomas Corselle Bertrand Frank J rgen Delettrez Christophe Gessler Leo Le Hors L naic Levillain Yves Grillmayer Georg Marchal Bruno Mazuray Laurent Nonnet Jean Christoph Hashagen Volker Hilberath Wolfgang Hoffmann Thomas Huber Peter Pibrac Dominque Thibault Dominique DH gt 9 S D H bd 3 o AAA 3 o 9 NES odpe moo 52 Oo zig 710 ia OI 3 oO d 77 a E Ecclestone Tim Fernando Priya Gannon John Gray Russel Harrison Les Hopkins Peter Karlsson Sara Kemble Steve Mikelson Brian Robson Phil Rodier Caroline Kraft Ewin Kruse Klaus Werner Mason
19. include telemetry points e g relay statuses and SRDB IRDB TM and TC names ANNEX 4 Logic Diagrams and Truth Tables All logic blocks involved in the command and control of equipments if any shall be represented in this annex as functional logic diagrams and supporting truth tables This should include functions implemented in ASICs FPGA s ANNEX 5 Source Code This annex should include the source code for equipment processors that is delivered with Software ANNEX 6 TM TC ICD This annex shall include the complete TM TC ICD for the equipment This shall include A list of all unit HK telemetry parameters For each parameter it shall include a function description with validity conditions telecommand relationship and all technical information necessary for using it A list of all unit commands For each command it shall include a functional description with utilization conditions and execution verification in telemetry For each command the execution run time shall be outlined This data may be included in the electronic TM TC delivery towards the satellite reference data base ANNEX 7 Equipment Science Data Format and Processing Description This annex shall include the complete description of the science data stream of the equipment if provided This shall include Definition of the unit science output data circumstance of generation format content and data rate for each operational mode of the unit Definition
20. ipment gt appendages covers locks etc if any are commanded i e the used signal lines schedule by which unit the process is initiated and controlled etc If deployment of appendages can be reversed both processes together with their circumstances should be described 5 2 COMMAND MECHANISMS Describe the used Command and Control interfaces logically e g number of signal lines signal characteristics e g analog digital used protocol interdiction times etc and physically e g 1553B bus discrete signal lines in the subchapters of this chapter Each C amp C interface shall be described together with its function 5 3 TELEMETRY MECHANISM Describe the used telemetry interfaces logically e g number of signal lines signal characteristics e g analog digital used protocol interdiction times etc and physically e g 1553B bus discrete signal lines in the subchapters of this chapter Note that detailed information about the down linked packets formats should be contained in Chapter 8 Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 EADS EarthCare Issue 1 Date 23 02 2009 Sserium Page 16 of 30 6 OPERATIONS AND CONSTRAINTS This chapter should describe the nominal lt EARTHCARE Equipment gt operation and list all operational constraints or limitations which apply separated in the following sections Any mode dependencies should be indicated unambiguously in each of the following secti
21. is should be clearly described Likewise the effect of any other means to control the transition Such as control parameters in an initiating telecommand should be described Transition from to X sec y sec Z Sec Table 4 2 1 Mode Transition Times Transition not possible Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 1 EADS EarthCare Issue Date 23 02 2009 SP rm Page 15 of 30 5 OPERATIONAL INTERFACES 5 1 CONTROL SIGNALS List all the control signal lines used by the EARTHCARE Equipment Describe all actions and timings both hardware and software that take place after the activation of a control signal Where appropriate give references to nominal and or contingency recovery procedures Describe lt EARTHCARE Equipment gt on board time synchronisation Describe how the lt EARTHCARE Equipment gt will be synchronised e g describe the procedure the resolution for maintaining the lt EARTHCARE Equipment gt on board time when it shall take place e g after lt EARTHCARE Equipment gt initialisation the synchronisation accuracy the recovery actions in the case of time discrepancies setting and phase adjustments of counters clocks etc State if specific synchronisation lines between the lt EARTHCARE Equipment gt and other EARTHCARE equipments are used If such lines are used then describe their logical and physical characteristics Describe how any lt EARTHCARE Equ
22. nt Procedures The equipment user manual shall contain all nominal and contingency operations procedures necessary for space segment operations this also includes an initial version of any necessary Operations Timelines The list of procedures and timelines to be generated shall be agreed between the Contractor and the customer and recorded in the User Manual EUM 006 lt CREATED gt V Procedure Validation The procedures presented in the equipment user manual shall be validated at equipment level testing during AIV to the maximum extent Another system for example the SVF or EFM can be used for specific procedures after agreement with customer EUM 007 lt CREATED gt V Equipment User Manual Content gt The equipment user manual shall be used by the contractor as a reference document during the Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 EADS a EarthCare Issue 1 ze Date 23 02 2009 aserium Page 8 of 30 AIV programme EUM 008 lt CREATED gt V lt Operation Characteristics and Algorithms gt The equipment user manual shall provide the definition of all operational characteristics associated with the control of the equipment in flight and on ground including any constraints or special operations It shall also contain any algorithms or ground processing required to support operations during all phases of the mission EUM 009 lt CREATED gt V Equipment User Manual Detailed Content D
23. on of lt EARTHCARE Equipment Units Assemblies and Functions Provide a detailed functional description of each EarthCARE Equipment assembly unit and functions 3 4 REDUNDANCY Provide a detailed description of the equipment redundancy and cross strapping Astrium GmbH All rights reserved Doc No EAD _ EarthCare Issue S Er tum E 4 lt EARTHCARE EQUIPMENT MODES 4 1 MODE DESCRIPTIONS List all the lt EARTHCARE Equipment modes EC IRD ASD SY 00019 1 23 02 2009 13 of 30 Provide a table mapping each assembly unit status to each equipment mode using the format of Table 4 1 1 below Provide a table summarising the mode characteristics using a format similar to Table 4 1 2 below Provide a table summarising which equipment functions are active in each mode using a format similar to Table 4 1 3 below note that HW functions description is given in section 3 3 whereas SW functions description is given in section 9 3 Modes YYY Equipment Status Assembly 1 Unit 11 Unit 12 Assembly 2 Unit 21 Assembly m Unit m1 Table 4 1 1 EARTHCARE Equipment gt equipment status versus lt EARTHCARE Equipment gt modes Modes YYY Functions e g 1553B protocol YES II J eg 15598 protocol a do gt gt pp E dvo j oo Table 4 1 2 Active Functions versus lt EARTHCARE Equipment gt Modes O Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 Issue 1 EADS EriOm Ea
24. ons In each case the reason for the constraint or limitation and the consequence of violation should be described Within the context of this chapter a constraint is anything which if violated can risk a permanent degradation of the lt EARTHCARE Equipment gt performance function or reliability whereas a limitation is anything which if violated only risks a temporary loss or degradation of the planned operations or measurement data quality or availability 6 1 ROUTINE OPERATIONS Describe the nominal operation of the lt EARTHCARE Equipment gt routine commanding routine maintenance routine calibration Give the operational timeline for the lt EARTHCARE Subsystem gt if relevant Describe the in flight calibration process e g how often when how and where it shall take place the command and control procedure the data flow etc If the lt EARTHCARE Equipment gt needs to change its modes and or states during nominal operations then describe the foreseen activities e g when and why to initiate the mode changes If the lt EARTHCARE Equipment gt within one mode changes automatically between submodes then describe these processes Provide timelines for all such automatic submode changes in the form of horizontal bar charts 6 2 LAUNCH INITIAL SWITCH ON AND IN ORBIT CHECK OUT List all operational constraints and limitations regarding the lt EARTHCARE Equipment launch initial switch on and in orbit check out e g depl
25. oyments releases switch on in orbit calibration amp verification etc In case deployments are foreseen describe the deployment sequence here 6 3 OPERATIONS AND CONSTRAINTS FOR GROUND INITIATED RECONFIGURATIONS Describe all operations and related operational constraints and limitations for ground initiated reconfigurations i e main to redundant redundant to main use of cross strapping 6 4 GENERAL CONSTRAINTS AND LIMITATIONS Identify and quantify all operational constraints and limitations regarding the lt EARTHCARE Equipment operation For example if a specific operation or mode depends on the deployment of an appendage this should be stated here Another aspect may be that specific operations are only allowed in specific modes The constraints and limitations should be given for the following aspects If no constraint or limitation exists for a particular aspect then this should be explicitly stated Any other aspects that are not covered in section 6 3 should be included here Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 EA DS A EarthCare Issue 1 Date 23 02 2009 Sserium Page 17 of 30 6 4 1 Satellite attitude and altitude List all EARTHCARE Equipment operational constraints and limitations regarding the spacecraft attitude and altitude e g equipment atomic oxygen exposure if relevant Additionally if the EARTHCARE Equipment performance is a function of spacecraft attitude or altitude
26. rthCare Date 23 02 2009 Page 14 of 30 4 1 x Detailed Mode Descriptions Provide a detailed description of each mode to a more detailed level of information than that contained in the tables in the previous section If the equipment has different statuses or sub modes within a mode then these should be described here The circumstances that lead to these different sub modes or statuses should also be documented here A description of the purpose of each mode or sub mode why to enter and exit it and the duration spent in it should be given 4 2 lt EARTHCARE EQUIPMENT gt MODE TRANSITIONS Provide a mode transition diagram showing all the equipment modes and allowed transitions between them The trigger for each transition path should be identified e g ground command automatic nominal internal corrective action external corrective action etc Provide a table identifying the mode transition times using the format of Table 4 below A mode transition is defined to start when the equipment leaves a defined mode and is terminated when the equipment has reached a new defined mode In particular for a mode transition triggered by a command the mode transition starts when the command execution is started 4 2 x Transition to mode x Provide a detailed description of the mode transition including the sequence of events executed as a timeline if relevant Where the sequence of events in the transition is dependent on the initiating trigger th
27. t gt out gassing For example if a unit shall not be operated until its out gassing is completed to a certain extent because this could cause performance losses or is harmful in some way then this should be stated here The out gassing times shall be given 6 4 7 Contamination List all operational constraints and limitations regarding the lt EARTHCARE Equipment gt contamination If performance losses are expected under specific circumstances this should be stated here 6 4 8 Life Limited Items Using the following table list all the operational constraints and limitations regarding life limited items All life limited items associated with their limits should be given For each listed item a short and precise description of the limitations including the relevant unit e g no of cycles and the mode s when the item will be used shall be given Life Limit Qual Limit TM parameter detail to be monitored Unit x 36540 cycles 1000 cycles TMxx for main Switching relays TMyy for redundant Unit y chain selection relays Table 6 4 8 1 Life Limited Items of lt EarthCARE Equipment gt 6 4 x Other lt EARTHCARE Equipment gt Specific Constraints Any other constraints and limitations not already covered in section 6 3 or in this section should be detailed in additional subsections to section 6 4 Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 Earth r Issue 1 EADS pa arthCare Date 23 02 2009 zeebrium Pa
28. the impact should be described here 6 4 2 Shocks Using the following table list all the operational constraints and limitations regarding the lt EARTHCARE Equipment gt unit shock limits g load and duration All units as identified in section 3 1 should be listed If no limit applies then this should be stated Unit Constraint Ry ooo oo uz oo Table 6 4 2 1 Shock limits 6 4 3 In Orbit Acceleration List all EARTHCARE Equipment operational constraints and limitations regarding the spacecraft accelerations and vibrations using the following table Frequency range Nominal Operational Modes Non Nominal Operational Modes Table 6 4 3 1 In Orbit acceleration constraints 6 4 4 Thermal In tabular form for each unit provide the thermal limits which apply for an operational constraint or limitation As a minimum this should include definition of the operational temperature range the non operational temperature range and the switch on temperature range 6 4 5 Sun Illumination List all operational constraints and limitations regarding sun illumination For example if a unit shall not be illuminated by direct sunlight quantify the extent and geometry the impact should be described here 6 4 6 Outgassing Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 Issue 1 EADS Eriom SBS Date 23 02 2009 Page 18 of 30 List all operational constraints and limitations regarding the lt EARTHCARE Equipmen
29. used in particular the initial configuration of the equipment e Final Configuration specifying the configuration of the equipment after the procedure has been run e Constraints referring to any relevant constraints in chapter 6 and any constraints concerning the need for other procedures to be run either before or after this procedure Example Procedure Name FCP xx nnn Switch GPS to Operational Mode Procedure Objective This procedure switches the GPS into Operational Mode User Manual Reference User Manual Volume 9 section x x Other Reference Initial Configuration GPS in Standby Final Configuration GOS in Operational Mode Constraints This procedure requires nominal platform operation Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 Issue 1 EADS EarthCare 23 02 2009 Date aserium Page 24 of 30 The tabular body shall include e Anincrementing step number e A description of the action to be performed e Identification of the TC to be sent and definition of the parameter values to be sent e Identification of the TM verification to be performed START OF PROCEDURE Step Activities TC TM END OF PROCEDURE O Astrium GmbH All rights reserved Doc No EC IRD ASD SY 00019 Issue 1 EADS EarthCare Date 23 02 2009 zeiebrium Page 250f30 13 CONTINGENCY RECOVERY PROCEDURES All lt EARTHCARE Equipment contingency recovery procedur
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