Space systems -- Requirements of launch vehicle (LV) to electrical ground support equipment (EGSE) interfaces

This document provides requirements for launch system designers or interface designers regarding interfaces between LV and EGSE, which is used to support on-line processing. It defines electrical interface types, design requirements, environment requirements, verification methods (analyses and tests), and interface check operation requirements. This document is intended to minimize design costs and reduce risks from errors resulting from miscommunication. It does not limit LV or EGSE organizational requirements to specify a unique interface.

Systèmes spatiaux - Exigences d'interface entre le lanceur et les équipements électrique de support au sol

General Information

Status
Published
Publication Date
12-Jul-2020
Current Stage
5060 - Close of voting Proof returned by Secretariat
Start Date
09-Jun-2020
Completion Date
08-Jun-2020
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INTERNATIONAL ISO
STANDARD 22772
First edition
2020-07
Space systems — Requirements
of launch vehicle (LV) to electrical
ground support equipment (EGSE)
interfaces
Systèmes spatiaux - Exigences d'interface entre le lanceur et les
équipements électrique de support au sol
Reference number
ISO 22772:2020(E)
ISO 2020
---------------------- Page: 1 ----------------------
ISO 22772:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 22772:2020(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Abbreviated terms .............................................................................................................................................................................................. 1

5 Interface design principles ........................................................................................................................................................................ 2

5.1 General ........................................................................................................................................................................................................... 2

5.2 Design process......................................................................................................................................................................................... 2

5.3 Design principles ................................................................................................................................................................................... 3

6 Interface design requirements .............................................................................................................................................................. 4

6.1 General ........................................................................................................................................................................................................... 4

6.2 Types of interface implementation ....................................................................................................................................... 4

6.2.1 Bus interface ........................................................................................................................................................................ 4

6.2.2 Digital I/O interface ........................................................................................................................................... ............ 4

6.2.3 Analog interface ................................................................................................................................................................ 5

6.2.4 AC/DC power supply interface ............................................................................................................................ 5

6.2.5 RF/electromagnetic interface ............................................................................................................................... 5

6.3 Interface connectors .......................................................................................................................................................................... 5

7 Induced environment ...................................................................................................................................................................................... 6

7.1 General ........................................................................................................................................................................................................... 6

7.2 Mechanical environment ................................................................................................................................................................ 6

7.2.1 Low frequency vibration ........................................................................................................................................... 6

7.2.2 Random vibrations ........................................................................................................................................... .............. 6

7.2.3 Acoustic noise ..................................................................................................................................................................... 6

7.2.4 Shock .......................................................................................................................................................................................... 6

7.3 Thermal environment ....................................................................................................................................................................... 6

7.3.1 General...................................................................................................................................................................................... 6

7.3.2 Thermal environment during pre-launch phase .................................................................................. 7

7.3.3 Thermal environment during launch phase ............................................................................................ 7

7.4 Radio and electromagnetic environment ......................................................................................................................... 7

7.4.1 Launch-vehicle-generated ....................................................................................................................................... 7

7.4.2 EGSE-generated ................................................................................................................................................................ 7

7.4.3 Launch-range-generated ........................................................................................................................................... 7

8 Verification analysis and test ................................................................................................................................................................... 7

8.1 Verification analysis methods .................................................................................................................................................... 7

8.2 Verification analysis implementation .................................................................................................................................. 8

8.2.1 Feasibility analysis ......................................................................................................................................................... 8

8.2.2 Simulation analysis ........................................................................................................................................................ 8

8.2.3 Verification ............................................................................................................................................................................ 8

8.2.4 Launch preparation state evaluation ............................................................................................................. 8

9 Interface documentation requirements ...................................................................................................................................... 8

9.1 Interface requirements document ......................................................................................................................................... 8

9.2 Interface control document ......................................................................................................................................................... 8

10 Interface inspection and operation at launch site ............................................................................................................. 9

10.1 Documentation and confirmation .......................................................................................................................................... 9

10.2 Interfaces inspection verification ........................................................................................................................................... 9

10.3 Combined operations ........................................................................................................................................................................ 9

10.4 Safety requirements ........................................................................................................................................................................... 9

Bibliography .............................................................................................................................................................................................................................10

© ISO 2020 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO 22772:2020(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles,

Subcommittee SC 14, Space systems and operations.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved
---------------------- Page: 4 ----------------------
ISO 22772:2020(E)
Introduction

This document provides design requirements of electrical interfaces between launch vehicles (LV)

and electrical ground support equipment (EGSE) for launch system or interface designers. The defined

interface type and requirements constitute the LV to EGSE interface control document (ICD).

The purpose of this document is to specify standardized requirements and help the designer specify

the LV to EGSE ICD and subsequently help users to clearly understand the designer’s intentions, and

hence minimize costs and reduce risk from errors resulting from miscommunication. This document

does not consider interface design details and does not limit LV or EGSE organizational requirements to

specify a unique interface.
© ISO 2020 – All rights reserved v
---------------------- Page: 5 ----------------------
INTERNATIONAL STANDARD ISO 22772:2020(E)
Space systems — Requirements of launch vehicle (LV) to
electrical ground support equipment (EGSE) interfaces
1 Scope

This document provides requirements for launch system designers or interface designers regarding

interfaces between LV and EGSE, which is used to support on-line processing. It defines electrical

interface types, design requirements, environment requirements, verification methods (analyses and

tests), and interface check operation requirements.

This document is intended to minimize design costs and reduce risks from errors resulting from

miscommunication. It does not limit LV or EGSE organizational requirements to specify a unique

interface.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the fo
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 22772
ISO/TC 20/SC 14
Space systems — Requirements
Secretariat: ANSI
of launch vehicle (LV) to electrical
Voting begins on:
2020­04­13 ground support equipment (EGSE)
interfaces
Voting terminates on:
2020­06­08
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/FDIS 22772:2020(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN­
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. ISO 2020
---------------------- Page: 1 ----------------------
ISO/FDIS 22772:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH­1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/FDIS 22772:2020(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Abbreviated terms .............................................................................................................................................................................................. 1

5 Interface design principles ........................................................................................................................................................................ 2

5.1 General ........................................................................................................................................................................................................... 2

5.2 Design process......................................................................................................................................................................................... 2

5.3 Design principles ................................................................................................................................................................................... 3

6 Interface design requirements .............................................................................................................................................................. 4

6.1 General ........................................................................................................................................................................................................... 4

6.2 Types of interface implementation ....................................................................................................................................... 4

6.2.1 Bus interface ........................................................................................................................................................................ 4

6.2.2 Digital I/O interface ........................................................................................................................................... ............ 4

6.2.3 Analog interface ................................................................................................................................................................ 5

6.2.4 AC/DC power supply interface ............................................................................................................................ 5

6.2.5 RF/electromagnetic interface ............................................................................................................................... 5

6.3 Interface connectors .......................................................................................................................................................................... 5

7 Induced environment ...................................................................................................................................................................................... 6

7.1 General ........................................................................................................................................................................................................... 6

7.2 Mechanical environment ................................................................................................................................................................ 6

7.2.1 Low frequency vibration ........................................................................................................................................... 6

7.2.2 Random vibrations ........................................................................................................................................... .............. 6

7.2.3 Acoustic noise ..................................................................................................................................................................... 6

7.2.4 Shock .......................................................................................................................................................................................... 6

7.3 Thermal environment ....................................................................................................................................................................... 6

7.3.1 General...................................................................................................................................................................................... 6

7.3.2 Thermal environment during pre­launch phase .................................................................................. 7

7.3.3 Thermal environment during launch phase ............................................................................................ 7

7.4 Radio and electromagnetic environment ......................................................................................................................... 7

7.4.1 Launch­vehicle­generated ....................................................................................................................................... 7

7.4.2 EGSE­generated ................................................................................................................................................................ 7

7.4.3 Launch­range­generated ........................................................................................................................................... 7

8 Verification analysis and test ................................................................................................................................................................... 7

8.1 Verification analysis methods .................................................................................................................................................... 7

8.2 Verification analysis implementation .................................................................................................................................. 8

8.2.1 Feasibility analysis ......................................................................................................................................................... 8

8.2.2 Simulation analysis ........................................................................................................................................................ 8

8.2.3 Verification ............................................................................................................................................................................ 8

8.2.4 Launch preparation state evaluation ............................................................................................................. 8

9 Interface documentation requirements ...................................................................................................................................... 8

9.1 Interface requirements document ......................................................................................................................................... 8

9.2 Interface control document ......................................................................................................................................................... 8

10 Interface inspection and operation at launch site ............................................................................................................. 9

10.1 Documentation and confirmation .......................................................................................................................................... 9

10.2 Interfaces inspection verification ........................................................................................................................................... 9

10.3 Combined operations ........................................................................................................................................................................ 9

10.4 Safety requirements ........................................................................................................................................................................... 9

Bibliography .............................................................................................................................................................................................................................10

© ISO 2020 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO/FDIS 22772:2020(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non­governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles,

Subcommittee SC 14, Space systems and operations.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved
---------------------- Page: 4 ----------------------
ISO/FDIS 22772:2020(E)
Introduction

This document provides design requirements of electrical interfaces between launch vehicles (LV)

and electrical ground support equipment (EGSE) for launch system or interface designers. The defined

interface type and requirements constitute the LV to EGSE interface control document (ICD).

The purpose of this document is to specify standardized requirements and help the designer specify

the LV to EGSE ICD and subsequently help users to clearly understand the designer’s intentions, and

hence minimize costs and reduce risk from errors resulting from miscommunication. This document

does not consider interface design details and does not limit LV or EGSE organizational requirements to

specify a unique interface.
© ISO 2020 – All rights reserved v
---------------------- Page: 5 ----------------------
FINAL DRAFT INTERNATIONAL STANDARD ISO/FDIS 22772:2020(E)
Space systems — Requirements of launch vehicle (LV) to
electrical ground support equipment (EGSE) interfaces
1 Scope

This document provides requirements for launch system designers or interface designers regarding

interfaces between LV and EGSE, which is used to support on-line processing. It defines electrical

interface types, design requirements, environment requirements, verification methods (analyses and

tests), and interface check operation requirements.

This document is intended to minimize design costs and reduce risks from errors resulting from

miscommun
...

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