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SUMMARY
Gaia is a scientific mission of the European Space Agency (ESA)
This document defines the overall general requirements for design and interface of all Gaia Electrical
Ground Support Equipment (E.G.S.E).
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DOCUMENT CHANGE LOG
Issue/
Revision
00
Date
Modification Nb
25/07/05
01
02
Modified pages
Observations
First Issue (extracted
Apogee’s ISS”)
from
Replaces same document with
old reference CAIT.00676.ASTR
14/09/05
Gaia GSE PA requirement
applicable:
GAIA.ASF.SP.SAT.00035
Add of “waste Electrical and
Electronic Equipment (WEEE)
Policy” ADS 761
+Few wording corrections
03
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TABLE OF CONTENTS
1
SCOPE AND APPLICABILITY ......................................................................................................................... 1
1.1
GENERAL ................................................................................................................................................................................ 1
1.2
APPLICABLE DOCUMENTS .............................................................................................................................................. 1
1.3
REFERENCE DOCUMENTS .............................................................................................................................................. 1
1.4
LIST OF ACRONYMS ............................................................................................................................................................ 2
2
GENERAL REQUIREMENTS .........................................................................................................................3
3
ENVIRONMENTAL REQUIREMENTS ........................................................................................................4
3.1
OPERATION ........................................................................................................................................................................... 4
3.2
STORAGE................................................................................................................................................................................. 4
3.3
TRANSPORTATION ............................................................................................................................................................. 5
3.4
LAUNCH PAD ENVIRONMENT ...................................................................................................................................... 7
4
INTERFACE REQUIREMENTS......................................................................................................................8
4.1
EGSE TO FLIGHT EQUIPMENT INTERFACES.......................................................................................................... 8
4.1.1
Physical..................................................................................................................................................................................... 8
4.1.2
Functional................................................................................................................................................................................. 8
4.2
EGSE TO FACILITIES INTERFACES .............................................................................................................................. 9
4.2.1
EGSE Configuration ............................................................................................................................................................... 9
4.2.2
Mechanical Interfaces................................................................................................................................................................. 9
4.3
ELECTRICAL INTERFACES ............................................................................................................................................ 10
4.3.1
Mains Power, Fusing .............................................................................................................................................................. 10
4.3.2
Connectors............................................................................................................................................................................... 10
4.3.3
Cabinet, Rack Interfaces.......................................................................................................................................................... 11
4.3.4
Circuit Protection .................................................................................................................................................................... 11
4.3.5
Transient Suppression ............................................................................................................................................................. 12
4.3.6
Test Points.............................................................................................................................................................................. 12
4.4
OPERATOR INTERFACE.................................................................................................................................................. 12
4.4.1
General requirements ............................................................................................................................................................... 12
4.4.2
Monitoring and display............................................................................................................................................................ 14
4.4.3
Command ............................................................................................................................................................................... 14
5
HARDWARE DESIGN AND CONSTRUCTION REQUIREMENTS ........................................................ 15
5.1
PARTS, MATERIALS AND PROCESSES........................................................................................................................ 15
5.2
CONNECTIONS ................................................................................................................................................................... 15
5.3
FINISHING ............................................................................................................................................................................ 15
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5.4
CLEANLINESS...................................................................................................................................................................... 16
5.5
WORKMANSHIP .................................................................................................................................................................. 16
5.6
SAFETY ................................................................................................................................................................................... 16
5.7
EMERGENCY PROVISIONS ............................................................................................................................................ 18
5.8
HUMAN ENGINEERING DESIGN REQUIREMENTS............................................................................................ 18
5.9
PHYSICAL CHARACTERISTICS...................................................................................................................................... 18
5.10
CONFIDENTIALITY .......................................................................................................................................................... 20
5.11
RELIABILITY – AVAILABILITY...................................................................................................................................... 20
5.12
MAINTAINABILITY............................................................................................................................................................ 21
5.13
IDENTIFICATION AND MARKING ............................................................................................................................. 23
5.13.1
Identification ...................................................................................................................................................................... 23
5.13.2
Marking ............................................................................................................................................................................ 24
6
EMC REQUIREMENTS.................................................................................................................................. 26
6.1
GROUNDING NETWORK BETWEEN SPACECRAFT AND EGSE..................................................................... 26
6.2
INSULATION OF SECONDARY 0V OF EGSE............................................................................................................ 27
6.3
SHIELDING........................................................................................................................................................................... 27
6.4
BONDING.............................................................................................................................................................................. 28
6.5
AC LINE FILTERING.......................................................................................................................................................... 28
6.6
INRUSH CURRENT ............................................................................................................................................................. 28
7
OPERATIONAL REQUIREMENTS.............................................................................................................. 29
7.1
GENERAL REQUIREMENTS .......................................................................................................................................... 29
7.2
USEFUL LIFE ........................................................................................................................................................................ 30
7.3
INTERCHANGE ABILITY................................................................................................................................................. 30
8
QUALITY ASSURANCE .................................................................................................................................. 31
9
VERIFICATION REQUIREMENTS.............................................................................................................. 31
9.1
RESPONSIBILITY ................................................................................................................................................................ 31
9.2
VERIFICATION METHODS............................................................................................................................................. 31
9.2.1
Design Review......................................................................................................................................................................... 31
9.2.2
Visual Inspection .................................................................................................................................................................... 31
9.2.3
Analysis ................................................................................................................................................................................. 32
9.2.4
Similarity................................................................................................................................................................................ 32
9.2.5
Acceptance Test....................................................................................................................................................................... 32
9.2.6
Test Report ............................................................................................................................................................................. 34
10
EGSE DOCUMENTATION ............................................................................................................................ 35
11
PREPARATION FOR DELIVERY ................................................................................................................. 36
11.1
GENERAL REQUIREMENTS .......................................................................................................................................... 36
11.2
METHODS OF PRESERVATION AND PACKING.................................................................................................... 36
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11.3
PACKAGING DESIGN REQUIREMENTS...................................................................................................................36
11.4
HANDLING ........................................................................................................................................................................... 37
12
REQUIREMENTS MATRIX FROM V2.0 TO V3.0 ....................................................................................... 38
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SCOPE AND APPLICABILITY
1.1
GENERAL
This document defines the overall general requirements for design and interface of all Electrical Ground
Support Equipment (EGSE).
The requirements defined in this specification are applicable at all levels of EGSE items : units,
subsystems, system
1.2
APPLICABLE DOCUMENTS
In this section are defined those document which are applicable associated to the present document.
Doc.
Reference
Title
AD1
GAIA.ASF.SP.SAT.00037
PA requirements for GSE Subcontractors
AD2
GAIA.ASF.SP.SAT.00046
PA requirements for EGSE/OGSE Software
1.3
REFERENCE DOCUMENTS
In this section are defined those document which have been used to write the present document and
which content information that may be useful for the understanding of the present document.
Doc.
Reference
Title
RD1
CSG-RS-10A-CN
CSG safety regulations volumes 1, 2 part 1, 2 part2
CSG-RS-21A-CN
CSG-RS-22A-CN
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LIST OF ACRONYMS
AC
AD
ASCII
BER
CCS
CDMU
CDR
CSU
dB
DB
EGSE
EIDP
EM
EMC
EMI
EPSS
FEE
FM
GSE
H/W
ICD
ICR
LAN
MMI
MSU
NDIU
OBA
OBS
OCC
OCOE
PBA
PDR
PFM
RD
RF
RTS
SA
S/C
S/S
SA
SCOE
SDE
SOW
SVF
TBC
TBD
TC
TM
TX
U
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Alternative Current
Applicable document
American Standard Code for Information Interchange
Bit Error Rate
Central Checkout System
Command and Data Management Unit
Critical Design Review
Clock Synchronisation Unit
deciBel
Data Base
Electrical Ground Support Equipment
End Item Data Package
Engineering Model
Electro Magnetic Compatibility
Electro Magnetic Interference
Electrical Power/Pyro Subsystem
Front End Equipment
Flight Model
Ground Support Equipment
Hardware
Interface Control Document
Individual Control Register
Local Area Network
Man Machine Interface
Main Supply Unit
Network Data Interface Unit
On Board Access
On Board Software
Operations Control Center
Overall Check-Out Equipment
PMC Bus Access
Preliminary Design Review
Proto-Flight Model
Reference Document
Radio Frequency
Real Time Simulator
Solar Array
Spacecraft
Subsystem
Scoe Assembly
Special Checkout Equipment
Software Developpment Environment
Statement of Work
Software Validation Facility
To Be Confirmed
To Be Defined
Telecommand
Telemetry
Transmitter
standard cabinet / rack Unit
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GENERAL REQUIREMENTS
The EGSE is the Electrical Ground Support Equipment required to support electrical, functional and
performance tests and related qualification/ acceptance activities.
The EGSE includes all the hardware and software which is necessary to support the Assembly Integration
and Test (AIT) activities performed on spacecraft on board hardware, comprising the compatibility test
with the Ground Segment and the Spacecraft processing at the launch site.
The following general requirements shall apply :
Item identification
Item description
EGSE-GDIR-200
The EGSE design and assembly shall be consistent with ISO 9000 Metric standard and shall
satisfy EU safety standard in accordance with CE certification.
EGSE-GDIR-201
The design of the equipment shall allow good access, for maintenance purposes, especially to
those parts requiring regular preventive maintenance or adjustment during operation.
EGSE-GDIR-202
The maximum use shall be made of already developed EGSE.
EGSE-GDIR-203
In general, the EGSE shall have a builtin capability of selfcheck and validation (Hardware and
software).
Where this is not possible, the external equipment necessary for selfcheck and validation shall
be restricted to use of commercially available equipment.
EGSE-GDIR-204
The EGSE shall withstand continuous operations (24H/24H).
EGSE-GDIR-205
The principle of designing the EGSE in a modular and structured form (for both hardware
and software) shall be followed in order to achieve the maximum cost effectiveness.
EGSE-GDIR-206
Displays test points and control devices shall be placed on front panels ; connectors shall be
placed on rear panels unless practical reasons can justify otherwise.
EGSE-GDIR-207
Interfaces between individual elements of the EGSE shall be simple and compliant with
commercially established set of standards.
EGSE-GDIR-208
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The EGSE shall be as far as possible based upon commercially available and supported
hardware and software
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ENVIRONMENTAL REQUIREMENTS
Item identification
Item description
EGSE-GDIR-300
The EGSE shall be designed for and compatible to the following major environments :
EGSE-GDIR-301
3.1
•
Terrestrial Environment (open air).
•
Sheltered areas (i.e. inside buildings without controlled environment).
•
Controlled environments (i.e. inside buildings with air conditioning).
•
Transportation environments. (Plane, train, boat, road,…).
The following phases are identified during the life of the EGSE :
•
Storage.
•
Transportation (by air, road, boat).
•
Operation (in clean room, facilities, launch site).
OPERATION
Item identification
Item description
EGSE-GDIR-302
During operations, following limits shall be taken into account:
3.2
•
Temperature
+10° C to +30°C
•
Relative humidity
40% to 80%
•
Pressure
800 to 1050 mbar
STORAGE
Item identification
Item description
EGSE-GDIR-303
During storage, following limits shall be taken into account:
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Temperature
- 40° C to + 60°C
•
Relative humidity
Less than 85%
•
Pressure
800 to 1050 mbar
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TRANSPORTATION
Item identification
Item description
EGSE-GDIR-304
For all transportation requirement, no proof test is required. Conformance to specification
shall be demonstrated by design analysis.
The conditions defined in this paragraph are applicable for the EGSE in its associated
container :
•
Temperature
: - 40°C to + 70°C
•
Relative humidity
< or = 100 %
•
Precipitation
The EGSE in its container has to withstand up
64 mm of rain within 2 hours.
•
Pressure
250 to 1050 mbar
•
Mechanical environment :
o
Vibration : (on each axis)
FREQUENCIES (Hz)
LEVEL (0-peak)
0,1 - 2,2
± 50 mm
2,2 - 12
1g
12 - 50
2g
50 - 100
2,5 g
o
to
Shock (on vertical axis) up to 20 g during 15 ms
200g
155ms
o
Linear acceleration
Maximum loads are expected during hoisting operations. The loads are 3.0 g
vertically.
EGSE-GDIR-305
All EGSE shall be designed for road, air (including helicopter), and ship transportation by
normal commercial facilities readily available in Europe.
Transportation of the EGSE, within Europe, will be mainly by road. Transportation to the
launch pad will be by air.
EGSE-GDIR-306
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All EGSE items shall be provided with re-useable containers to comply with the transport and
storage environments given herein.
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EGSE-GDIR-307
Containers shall be designed to protect the EGSE from the worst case transportation
environment as specified below. If the transported EGSE does not comply with the specified
environmental conditions, the containers shall provide adequate protective measures.
EGSE-GDIR-308
The EGSE containers shall be designed such that the EGSE item preparation for packing and
the packing process are kept to a minimum.
EGSE-GDIR-309
Access to the containers shall be possible without the use of any tools. If absolutely necessary,
simple tools maybe acceptable e.g. screwdriver.
EGSE-GDIR-310
The EGSE containers with a mass > 30 kg when loaded, shall be equipped with forklift
provisions (e.g. mounted on a pallet) of dimensions as given bellow
11 cm + 1cm
60 cm ± 1 cm
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LAUNCH PAD ENVIRONMENT
Launch pad environment requirement are applicable for some EGSE only, the specific environment
requirement will be described in the dedicated EGSE specification.
NOTE: When environment requirements are conflicting with off the shelf commercial equipment,
requirements waivers may be raised after implications and risks analysis
Item identification
Item description
EGSE-GDIR-311
EGSE installed on the launch pad (catacomb) or the umbilical mast shall be compliant with
the following conditions:
•
Temperature
10°C to 27°C (TBC)
•
Humidity
up to 90% RH (condensing) (TBC)
•
Pressure
800 to 1050 mbar (TBC)
•
Acoustic noise
Octave
31.5
Bands
(Hz)
Qualification
133
level (dB)
Time duration: 1 minute
•
125
250
500
1000
2000
Overall
132
128
126
123
122
118
137
Ramdom
Bandwidth
Overall level
(g eff)
12
PSD
Time duration
0.0727
1 minute
on 3 axes
Length
Width
Height (max)
1200 mm
1110 mm
2020 mm
20 - 2000
•
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INTERFACE REQUIREMENTS
Item identification
Item description
EGSE-GDIR-400
The EGSE shall be designed for easy, safe interchangeable equipment without causing
degradation of interfaces with the Spacecraft, subsystems, and facilities.
EGSE-GDIR-401
The EGSE design shall be such as to allow safe functioning, easy handling and simplicity at its
interface points.
4.1
4.1.1
EGSE TO FLIGHT EQUIPMENT INTERFACES
Physical
Item identification
Item description
EGSE-GDIR-402
Interfaces shall be designed to drive cable length of 20 meters (the standard for clean room
operations) up to 40 meters (the standard for TBTV tests configuration) between the flight
hardware and the EGSE.
EGSE-GDIR-403
The connectors mated with on-board hardware shall meet all requirements (Hi-Rel type,
material: gold plated , ...) specified for on-board items: procurement in accordance with ESCC
level B.
4.1.2
Functional
Item identification
Item description
EGSE-GDIR-404
Interfaces shall provide easy and safe electrical links with the on-board system
EGSE-GDIR-405
Interfaces shall be designed considering the natural and induced environments defined in this
specification.
EGSE-GDIR-406
The EGSE shall allow end to end testing (acceptance and commissioning) of proper EGSE
functions without using any flight hardware.
EGSE-GDIR-407
Interfaces shall be designed to avoid damage of flight hardware in case of single EGSE
functional failures (fail safe concept).
EGSE-GDIR-408
The EGSE shall be designed for tolerance to failures of the interfacing on-board equipment .
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EGSE TO FACILITIES INTERFACES
EGSE Configuration
Item identification
Item description
EGSE-GDIR-409
The maximum physical lengths ( cable) to be accounted in the design, shall be as defined in the
following figure.
EGSE is either a SCOE (Specific Check Out Equipment) or an CCS (Central Check Out
System)
Flight Hardware
20 up to 40 m
SCOE 1
20 up to 40 m
SCOE 2
SCOE 3
Ethernet LAN
CCS
NOTE: This EGSE configuration is applicable to most AIT activities: in dedicated clean rooms and in
environment test facilities, as well as the spacecraft processing activities at the launch site.
4.2.2
Mechanical Interfaces
Item identification
Item description
EGSE-GDIR-410
The EGSE maximum floor loading shall be less than of 1000 kg/m2 and 250 kg point loads.
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ELECTRICAL INTERFACES
Mains Power, Fusing
Item identification
Item description
EGSE-GDIR-411
Each EGSE shall operate with the following mains power : 110, 220, 240 single phase (all) 50
Hz and/or 60 Hz ± 2 Hz
EGSE-GDIR-412
Each EGSE shall include Mains Supply Unit(s).
EGSE-GDIR-413
Protective devices shall be provided within the equipment for primary and secondary power
circuits, and other circuits as required to protect the equipment from damage due to over
voltage or excessive current, with visual indicator(s) when tripped (fuse as well).
EGSE-GDIR-414
All fuses shall be easily replaceable either by locating them directly on rear panels, or behind
hinged doors on the rear panels.
4.3.2
Connectors
Item identification
Item description
EGSE-GDIR-415
Standardised screw locked connectors with protective removable boots on "wire side" shall be
used with special emphasis on male/female type connectors, different sizes of connectors and
keyed connectors (if possible) to simplify installation and avoid interconnection errors.
EGSE-GDIR-416
All command or measurement configurations shall be functional without any connector
mounting / dismounting (nominal / redundant equipment parts).
EGSE-GDIR-417
Unless otherwise specified, the type of interface connectors shall be BNC, IEEE 488
connectors, SMA or N connectors or SUB D connectors.
EGSE-GDIR-418
As a design goal, separate connectors shall be provided for :
- Power supply lines and Power switching lines.
- Analog signal lines.
- Digital signal lines.
- High frequency lines.(over 10 Mhz)
EGSE-GDIR-419
Electrical connections within the equipment shall be secured to prevent breakage or changes in
the electrical characteristics of outputs as a result of vibration, acceleration or shocks
encountered under the specified environment
EGSE-GDIR-420
The access to all connectors shall be such that any individual connector can be mated or
demated without the need to disconnect any other connector
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Cabinet, Rack Interfaces
Item identification
Item description
EGSE-GDIR-421
All power inlets to EGSE units shall be located in the lower rear portion of the cabinets and
plugged directly on the Mains Supply Unit(s). Intra-cabinet distribution shall be achieved with
power suitable cables from distribution boxes(provided with manual power ON/OFF
switches), with cables laced clear of all slides and guides.
EGSE-GDIR-422
EGSE signal cables shall be routed and separated as far as possible from power cables.
EGSE-GDIR-423
To give access to all electrical parts, the cabinet cabling shall be routed so as to allow the
drawers to be slid to their full forward position without disconnecting the cables, to the extent
allowed by weight and cable constraints. Cable guides are to avoid jamming with sliding
devices.
4.3.4
Circuit Protection
Item identification
Item description
EGSE-GDIR-424
Circuit protection shall be provided for all electrical EGSE interfaces circuits (between EGSE
and spacecraft or between two EGSE(if necessary)), in particular, all connections between the
EGSE and the flight hardware shall be protected to prevent any damage of flight equipment
due to incorrect operating EGSE (failure in particular).
EGSE-GDIR-425
The design shall include two levels of voltage protection :
- first level : at all secondary power supply output(dedicated protection devices),
- second level : at EGSE/Flight hardware interface.
This requirement is applicable to all EGSE hardware interfaces (between EGSE and spacecraft
or between two EGSE) whatever the type is (command, measurement).
EGSE-GDIR-426
Moreover, all EGSE interface shall be protected against short-circuit: they shall withstand
permanent short-circuit without damage and shall survive failures of the interface signals.
EGSE-GDIR-427
In any case, either at Power ON or Power OFF, the EGSE shall be in known and steady
configuration identified by the prime contractor and called "safe state".
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Transient Suppression
Item identification
Item description
EGSE-GDIR-428
Transients shall be suppressed as required for equipment protection and radio frequency
interference suppression. In application of suppressers, the operation of associated circuit
elements shall not be unduly affected. Transient protection shall be provided in solid-state
switching circuits and so packaged that the switching and protection circuits cannot be
separated.
EGSE-GDIR-429
The design shall ensure that, in any case,(in particular at switching ON/OFF) there is no
undesired transient at EGSE/Flight hardware interface.
4.3.6
Test Points
Item identification
Item description
EGSE-GDIR-430
Test points shall be allocated at least to each critical signal. They shall be provided in the
EGSE design to :
a) Aid calibration, integration, operation and maintenance.
b) Enable fault isolation with a minimum of disassembly and disconnection of EGSE
units.
c) Allow for maximum utilisation of general purpose test equipment.
d) Survey signals at the interfaces.
EGSE-GDIR-431
Test points shall be short circuit protected, to the extent practical.
EGSE-GDIR-432
The test point shall be conventional type terminals in order to allow easy use of measurement
probes.
EGSE-GDIR-433
For specific protection using settable fault threshold (e.g. crowbar), dedicated test point on
front or rear panel, shall allow to measure the actual fault threshold.
4.4
4.4.1
OPERATOR INTERFACE
General requirements
Item identification
Item description
EGSE-GDIR-434
Operator interface(command and monitoring) shall be done locally and/or from a remote
computer (depending on the EGSE specification).
When both remote and local interfaces are possible the following requirements shall be met:
EGSE-GDIR-435
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A front panel command shall allow to disable the remote function
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EGSE-GDIR-436
In any case, the monitoring of the EGSE from the CCS (parameter acquisition) shall be
possible whichever mode, remote or local, is set.EGSE
EGSE-GDIR-437
At power ON, all relevant measurements and commands shall be enabled and significative.
EGSE-GDIR-438
An emergency push button will allow to get away the EGSE power.
EGSE-GDIR-439
Critical front panel switches (e.g. power ON / OFF, Remote/Local, Self-test ...) shall be
protected against inadvertent activation.
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Monitoring and display
Item identification
Item description
EGSE-GDIR-440
For both cases(local and remote), the following requirements shall be met with suitable design
implementation.
EGSE-GDIR-441
Available commands and measurements in local mode shall be specified by the customer, in
dedicated equipment specification.
EGSE-GDIR-442
All the status locally displayed and/or remotely available shall be got from the direct
measurement of the device (e.g. : use of a dedicated contact for relay position monitoring,
current/voltage sensing, etc.).
EGSE-GDIR-443
The status of each (digital or analog) command locally displayed and/or remotely available
shall be got using a dedicated measurement circuit. The measurement point shall be as close as
possible to the output(EGSE interface).
EGSE-GDIR-444
In any case, no "status" shall be built from the corresponding command, but from the actual
measurement, or sensing of the actuator, and provided as directly as possible (i.e. no
uncontrollable processing or too much hardware/software stages) for local display and/or
remote monitoring.
EGSE-GDIR-445
For non permanent commands, the actual status shall be available for a sufficient time period
(e.g. few seconds) to allow remote monitoring and/or effective local display (use of local
memorising device e.g. monostable)
EGSE-GDIR-446
Monitoring shall be such that the EGSE configuration is unambiguously defined to the
operator by local and/or remote monitoring.
EGSE-GDIR-447
Red lamps on front panels shall be reserved for alarm, no-go or failure indications only.
4.4.3
Command
Item identification
Item description
EGSE-GDIR-448
The critical front panel commands (as power ON/OFF, reset commands, remote to local
command...) shall be protected against inadvertent activation.
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HARDWARE DESIGN AND CONSTRUCTION REQUIREMENTS
5.1
PARTS, MATERIALS AND PROCESSES
Item identification
Item description
EGSE-GDIR-501
In no case they shall be the cause of any contamination or degradation of the on-board
materials which are interfaced with the test equipment. EGSE directly interfacing with flight
hardware shall be subject to interface requirements as specified in chapter 4.
EGSE-GDIR-502
The following materials shall not be used:
•
Polyvinyl chloride (PVC) materials shall not be used, as contaminant by proximity
•
Cadmium, zinc and pure tin platings
EGSE-GDIR-503
Metals shall be of a corrosion-resistant type or suitably treated to resist corrosive conditions.
EGSE-GDIR-504
All EGSE to flight hardware interfaces shall be analysed for their material compatibility i.e.
electrolytic and / or fretting corrosion shall not occur.
5.2
CONNECTIONS
Item identification
Item description
EGSE-GDIR-505
All interfaces connectors shall be located on the cabinet rear panel bottom and shall be easily
accessible.
EGSE-GDIR-506
All cables and connectors must be clearly marked.
EGSE-GDIR-507
Type and construction of connectors shall be such that mismating of connections is not
possible (e.g. connector keys).Connectors shall ensure easy but sure mechanical mating.
Connector and wiring arrangements shall allow visual inspection in disconnected condition.
EGSE-GDIR-508
Whenever possible, each connector and associated cable mounting/dismounting shall be
possible without requiring the dismounting of other connectors.
EGSE-GDIR-509
All electrical power cables shall be heavy duty type. EGSE Mains power plugs accessible shall
use locking devices to prevent inadvertent disconnection.
EGSE-GDIR-510
The power plugs type shall be defined by the user.
5.3
FINISHING
Item identification
Item description
EGSE-GDIR-511
EGSE surfaces treatment shall meet clean room and Spacecraft specific cleanliness
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requirement.
5.4
CLEANLINESS
Item identification
Item description
EGSE-GDIR-512
The EGSE can be operated and stored in cleanroom environment (class 100 000).
Consequently, the EGSE shall be designed, manufactured, tested, handled, packaged and
operated in such a manner as to avoid contamination (attention shall be paid to printer and
paper choice).
EGSE-GDIR-513
All EGSE shall be designed for easy cleanability, i.e. flat surfaces and no sensivity to cleaning
agents.
EGSE-GDIR-514
Ground support equipment destined for use in clean room shall be solvent cleaned in order to
prevent a molecular contamination deposit.
5.5
WORKMANSHIP
Item identification
Item description
EGSE-GDIR-515
Particular attention shall be given to the absence of burrs and sharp edges which might cause
injury to personnel or damage to flight or ground hardware.
EGSE-GDIR-516
Paint finish shall be free of runs, voids, dirt, over spray and subsurface voids or contamination.
EGSE-GDIR-517
Markings shall be sharp legible and shall be designed and applied to remain functional over the
operating life of the equipment.
EGSE-GDIR-518
Handles shall be securely fitted to that they provide secure and safe support.
EGSE-GDIR-519
All exposed EGSE surfaces shall be free of weld splatter, weld burn through and voids..
EGSE-GDIR-520
Latches shall engage securely without repeated force or distortion required to initiate their
engagement..
EGSE-GDIR-521
All controls shall be securely attached and shall operate without binding.
EGSE-GDIR-522
Attention shall be paid to neatness and thoroughness of soldering, wiring, impregnation of
coils, markings of parts assemblies, palting, painting, riveting, machine screw assemblage,
welding and brazing.
EGSE-GDIR-523
All contact (mechanical or electrical) shall use locking device (e.g. lock nut, thread brake ...)
5.6
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SAFETY
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Item identification
Item description
EGSE-GDIR-524
All EGSE shall be designed, taking into account the applicable national and international safety
standards and shall be tested accordingly. The equipment shall be suitably marked with a CEidentification label and the supplier shall provide the pertinent Declaration of Conformity
(DoC) as part of the End-Item Data Package.
EGSE-GDIR-525
Safety for personnel, Spacecraft equipment, test facilities and EGSE shall be ensured by
implementation and maintenance of safety precautions.
EGSE-GDIR-526
The EGSE design shall avoid sharp corners and edges and no material shall be used which
may constitute a risk to the health of personnel.
EGSE-GDIR-527
All movable equipment shall have locking brake devices
EGSE-GDIR-528
The EGSE design shall be such that no failure will propagate (Fail Safe Design). No
equipment single failure shall jeopardise the flight hardware.
EGSE-GDIR-529
At power ON, all protection circuit shall be active.
EGSE-GDIR-530
The circuit protection shall be designed to avoid any undesired inhibition. In particular, the
reset or inhibit command (if any) shall not allow permanent protection inhibition even in case
of command failure.
EGSE-GDIR-531
Moreover, it shall be impossible to physically interrupt the circuit protection.
EGSE-GDIR-532
If a circuit protection is inhibited, this shall be clearly and unambiguously identified to the
operator.
EGSE-GDIR-533
Protection circuit(including both detection and actuators circuits) shall be permanently
operational.
EGSE-GDIR-534
The non operational status(due to internal failure for example) shall be immediately externally
and unambiguously identified. (e.g. loss of secondary power supply shall be detected).
EGSE-GDIR-535
Safety critical points shall be monitored and any hazardous conditions shall result in an alarm
signal being generated.
EGSE-GDIR-536
The design shall ensure that personnel cannot come into contact with exposed conducting
surfaces carrying AC or DC voltages above 24 Volts.
EGSE-GDIR-537
The EGSE shall remain stable when inclined at an angle of up to 20°.
EGSE-GDIR-538
The EGSE centre of gravity shall be as low as possible, with any wheels attached as close as
possible to the corners of the EGSE rack base. This will ensure maximum stability during
movement.
EGSE-GDIR-539
All EGSE to be used at the launch site, shall meet any specific Launch Site Safety
Requirements, according to CSG regulations (ref document RD1)
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EMERGENCY PROVISIONS
Item identification
Item description
EGSE-GDIR-540
The EGSE design shall include automatic and manual emergency shutdown capability. The
manual shutdown controls shall be located at a readily accessible of a normally manned station
and shall be protected against inadvertent activation.
5.8
HUMAN ENGINEERING DESIGN REQUIREMENTS
Item identification
Item description
EGSE-GDIR-541
The design of EGSE shall include consideration of human engineering factors that affect
human performance including :
5.9
•
Adequate free space for the effective operation and maintenance tasks under both
normal and emergency conditions
•
Adequate physical, visual and authority links between personnel and equipment under
both normal and emergency conditions
•
Efficient arrangement of operational work stations, cabinets, equipment, controls and
displays
•
Automatic operation shall be employed where necessary to obviate excessive operator
workload
•
Maximum weight of components to be lifted by hand shall be 30 kg. Above this
weight hoisting provisions shall be incorporated
•
Maximum required force for hand operation shall be 12 kg
PHYSICAL CHARACTERISTICS
Item identification
Item description
EGSE-GDIR-542
The EGSE shall be housed in standard 19 inches 36 U maximum (U=1Unit= 1,75 inch=44,5
mm) cabinets or console, unless this is inconvenient for practical reasons, such as small size of
the equipment. A 24 U integrated system is recommended.
The height shall be a multiple of 1 unit. The maximum height for a single rack shall be 9 units.
EGSE-GDIR-543
The EGSE standard racks of 482,6 mm (19 inches) width, shall have a maximum depth of 650
mm, (including connectors and output cables).
EGSE-GDIR-544
The total height of a cabinet shall not exceed 1850 mm.
EGSE-GDIR-545
The centre of gravity of each cabinet shall be kept lower than 900 mm.
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EGSE-GDIR-546
It shall be possible to roll the EGSE standard cabinet and consoles over a floor (declivity up to
25 mm/m and stepping not more than 2.5 mm).
EGSE-GDIR-547
All EGSE items with a mass > 40 kg - shall be mounted on self-steering wheels (castors) for
transport over short distances within a facility. Minimum diameter for these wheels shall be 80
mm.
EGSE-GDIR-548
It shall be possible to hoist the EGSE standard cabinet and consoles via at least 2 balanced
hoisting point.
EGSE-GDIR-549
Equipment to be lifted by hand shall not be heavier than 25 kg.
The EGSE racks shall be compatible with lifting by standard forklifts if heavier than 25kg.
EGSE-GDIR-550
The maximum force necessary to operate a control or mechanism by hand shall be 120 N.
EGSE-GDIR-551
The ACS(AC control chassis) shall be mounted at the cabinet bottom.
EGSE-GDIR-552
The racks shall be of a modular concept, allowing easy access, maintainability, trouble shooting
and replacement.
EGSE-GDIR-553
The racks shall be mounted on slides and locked into the cabinet. Provisions for transportation
handling and maintenance shall be incorporated in each cabinet and major units.
EGSE-GDIR-554
The EGSE's computer, if any, and its peripherals, shall not be integrated in the cabinet and
shall be usable at a distance of minimum 4 meters from the cabinet unless otherwise specified.
EGSE-GDIR-555
The detailed EGSE layout in a cabinet or a rack shall be accepted by the user.
EGSE-GDIR-556
When possible, a storage drawer with a key lock shall be included in each cabinet.
EGSE-GDIR-557
It shall be possible to slide a drawer to its full forward position without disconnecting any
cables
EGSE-GDIR-558
The drawers shall be mounted on telescopic slides or angle bars and shall have locking handles
or screw fastenings at the front
EGSE-GDIR-559
All functional setting shall be carried out from the front panels. The manufacturing setting
shall be carried out inside the Unit.
EGSE-GDIR-560
When additional component(s) (e.g. extender board, cable ...) is(are) required to perform these
settings(functional and manufacturing) , this(these) one(s) shall be considered as deliverable.
EGSE-GDIR-561
All permanent connections shall be made at rear panels. The cabinets/racks shall be equipped
with appropriate air inlets and outlets and blowers for air flow cooling, to operate within the
ambient facility temperatures. The fans shall blow the air inside the Unit. Filters shall be
installed at Unit air inlets level and shall be easily accessible for cleaning.
EGSE-GDIR-562
The rack side walls shall be extended to protect the front panel elements from any possible
crash damage during rack movement.
EGSE-GDIR-563
The equipment shall contain adequate cooling capabilities (air in/outlets and fans), to avoid
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overheating in the operating environment
EGSE-GDIR-564
Wherever possible, the on / off operation of cooling fans shall be regulated by temperature
sensors.
EGSE-GDIR-565
Air in/outlets shall be on the bottom and top of the rack. In any case, no air outlet shall be
located on front panel.
EGSE-GDIR-566
At cabinet level, the air flow shall be from bottom to top. The temperature variation shall not
exceed 15°C. If a fan failure is critical, the fan shall include a built-in failure deduction device,
used for monitoring.
EGSE-GDIR-567
If possible, each cabinet shall include two independent fans.
EGSE-GDIR-568
The noise of each EGSE shall be lower than 60 dB.
5.10
CONFIDENTIALITY
Item identification
Item description
EGSE-GDIR-569
All the EGSE confidential parts shall be identified and carried separately from the EGSE. (if
any)
5.11
RELIABILITY – AVAILABILITY
Item identification
Item description
EGSE-GDIR-570
No numerical reliability assessment shall be performed for the EGSE However, judgement
and acceptance of these items will be based on design margins applied, possible failure modes
and their effects, and the soundness of the design. A FMECA shall be made to verify the non
propagation of failures from ground equipment to flight equipment
EGSE-GDIR-571
Power and critical components shall be used at a 50% of their capability (derating of 50%).
EGSE-GDIR-572
The reliability detailed analysis shall be included in the "Reliability analysis" and / or in the
equipment design description.
EGSE-GDIR-573
The design and manufacture of the EGSE shall ensure that a useful operating life of at least 12
years (43200 h) is achieved when operated at an average rate of 300 hours per months.
EGSE-GDIR-574
In order not to jeopardise the overall AIV schedule, the EGSE shall be designed for a
minimum downtime, including routine maintenance, as follows:
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•
The equipment shall be available for spacecraft equipment testing for at least 90% of
the time.
•
The remaining time (10% maximum) shall be used for preventive and corrective
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activities.
•
EGSE-GDIR-575
5.12
The 90% availability figure assumes the availability of spare parts, when required
After a regular preventive maintenance, the equipment shall have the capability to operate in its
worst condition on a continuous duty cycle of 24 hours per day without performance
degradation during 15 days. In such condition faults shall not interrupt spacecraft testing for
more than 2 hours, if spare subset assembly is provided. (Repairing in that condition will be
achieved by standard exchange with a second sub set assembly).
MAINTAINABILITY
Item identification
Item description
EGSE-GDIR-576
The equipment shall be designed in such a way as to facilitate maintenance,
assembly/disassembly, inspection of vital functioning subassemblies and replacement /
substitution of modules / components. The particular features contributing to the attainment
of the above are :
•
minimum scheduled maintenance,
•
hierarchical (modular) arrangement of assemblies, subassemblies etc...,
•
accessibility of screws, bolts, fasteners of all kinds,
•
ruggeness on the part of those elements having to be taken out and reinserted
repeatedly,
•
provision of identification markings wherever necessary,
•
use of suitably indexed plugs and sockets,
•
accurate parts making a sliding fit.
EGSE-GDIR-577
With the exception of the built in test capabilities of the test equipment, standard laboratory
instruments for measuring and display of voltage, current, time, frequency, etc... shall be
adequate to fulfil the tasks of maintenance.
EGSE-GDIR-578
The maintenance cycles and content are to be specified by the manufacturer of the test
equipment.
EGSE-GDIR-579
A spares survey exercise shall be performed on the completed EGSE design and an adequate
set of spare parts based on its findings shall be accounted for in the delivery.
EGSE-GDIR-580
All critical components shall be identified. The easy replacement of these components shall be
accounted for in the equipment design.
EGSE-GDIR-581
Equipment design tolerances shall not be more stringent than necessary to achieve the required
performances
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The EGSE sub-assemblies, parts and components bearing the same part number shall be both
physically and functionally interchangeable.
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IDENTIFICATION AND MARKING
Identification
Item identification
Item description
EGSE-GDIR-583
A nameplate shall be attached to each unit or rack of the EGSE. Each nameplate shall state at
least :
ITEM
EGSE-GDIR-584
EGSE-GDIR-585
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Rack
Unit
Board
Cable
Manufacture
Yes
Yes
Optional
Optional
Item name
Yes
Yes
Yes
Optional
Contract number
Yes
Yes
Item part list number
Yes
Yes
Yes
Yes
Serial number
Yes
Yes
Yes
Yes
Delivery date
Yes
Yes
Optional
Optional
Configuration Item (CI) number
Yes
Yes
Yes
Yes
Each container shall, in addition to the above, be marked with the information as follows:
ƒ
Gaia Project
ƒ
Item Weight
ƒ
Item CoG
ƒ
Safe Working Load
ƒ
Hoisting Point Identification
ƒ
Special Safety Instructions
ƒ
Re-usable container marking
ƒ
Content identiofication
ƒ
Nomenclature with S/N
The name plate shall be attached to the test equipment as follows :
ƒ
Externally in such a position that it is not obscured by adjacent assemblies or components,
or cables.
ƒ
On a flat surface. (except for cables)
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ƒ
On the rear panel for the rack and the Units
ƒ
Inside a Unit, the connectors, the board locations and the supplies (if any) shall be clearly
identified.
ƒ
In a manner which precludes accidental, removal obstruction or handling damage.
ƒ
Inside a unit, the connectors, the board and the power supplies(if any) locations shall be
clearly and unambiguously identified.
5.13.2 Marking
Item identification
Item description
EGSE-GDIR-586
The front and rear panels of units and cabinets, excepted Commercial standard equipment's,
shall be surface treated (anodic oxidation for aluminium plates, painting for steel plates).
EGSE-GDIR-587
The marking of these Units shall preferably be engraved or silk screen printed.
EGSE-GDIR-588
All harnesses and mating plugs and receptacles shall be marked to clearly indicate the correct
mating connection.
max 1 m
max 1 m
FPA SCOE *)
PTI: 715100
S/N: 006
P05 *)
F PA SCOE
EGSE Connector
- identifier
- connected unit
Cable
- u nit name
- PT I no.
- serial no.
FPA SCOE *)
PTI :71 5100
S/N: 006
Ca ble
- unit name
- PT I no.
- ser ial no.
P08 * )
XMM
RF C2
S/C Connector
- identifier
- S/C name
- connected S/S
... one lable
for each connector
Ca bl e_ L
P02 *)
FPA SCOE
*) example
Harness Identification (Example)
EGSE-GDIR-589
All cabinets, racks and units which contain exposed terminals and similar components shall be
clearly marked to indicate the highest operating voltage level present.
EGSE-GDIR-590
Emergency controls (electrical or mechanical) used for shutdown, saving, alarm or corrective
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action shall be clearly marked, visible and readily accessible to operating personnel.
EGSE-GDIR-591
All controls and indicators shall be clearly marked or labelled to indicate system functions.
EGSE-GDIR-592
All front panel, rear panel, internal plates (if any) marking shall be submitted to the Customer
for approval. These documents shall be the manufacturing documents (i.e. real scale).
EGSE-GDIR-593
Instruction plates (if any) shall be securely fastened to enclosure panels and shall be located
where they easily be read.
EGSE-GDIR-594
Warning markings shall be provided as necessary to "warm" personnel of specific hazardous
conditions and precautions to be observed for equipment operations
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EMC REQUIREMENTS
Item identification
Item description
EGSE-GDIR-600
EGSE shall meet the EMI/EMC European standard and shall be CE certified.
6.1
GROUNDING NETWORK BETWEEN SPACECRAFT AND EGSE
Item identification
Item description
EGSE-GDIR-601
1 case with no insulation transformer : The wire “Ground protection of persons”,
green/yellow wire shall be linked to the structure of EGSE’s. And in this case it is not allowed
to disconnect the wire of Protection of Persons (Green/yellow) from the chassis of the ACU
rack.
EGSE-GDIR-602
2d case with insulation transformer : The exemption to the previous principle concerns the
EGSEs carrying a double insulation at the level of their mains distribution rack, as described
above. In this case, the structure of these EGSEs shall be connected imperatively to the star
point defined below, and the TEP wire will be opened.
EGSE-GDIR-603
In order to have a reference of potential at the level of a given specimen, one must create a
ground star point on which shall be connected all the EGSE’s as well as the reference 0V of
the specimen, that is, in fact, its mechanical structure. This star point shall be unique and shall
be connected to the measurement ground at the level of one of the wall boxes of the clean
room (butterfly nut) or otherwise in the clean room distributed.
EGSE-GDIR-604
Interconnection of both types of above described EGSE's, at the level of the star point, is
possible without any problem.
EGSE-GDIR-605
The ground star point shall be as close as possible of the satellite structure reference point.
EGSE-GDIR-606
Connection of EGSE's to this star point shall be as short as possible.
EGSE-GDIR-607
The electrical connection to this star point shall be safely bolted by the means of torque
wrench
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INSULATION OF SECONDARY 0V OF EGSE
Item identification
Item description
EGSE-GDIR-608
All the secondary 0V of EGSE’s , interfacing with the 0V network of the Satellite, have to be
galvanically uncoupled from the primary mains supply. The impedance between the Secondary
0V and the chassis mass of the EGSE shall be ≥ 100KΩ , measured under ± 10VDC.
This rule is not applicable in case if the signal interfacing with the Specimen is itself
galvanically decoupled by a transformer, or an opto-coupler, or a relay.
EGSE-GDIR-609
For flowing out the electrostatic charges that may appear, particularly when an EGSE is not
connected to the Specimen, a resistance greater than 100KΩ and less than 10MΩ shall be
placed between each secondary 0V and the chassis mass of the EGSE.
Note that in case a certain number .of interfaces , inside the same EGSE, are applying 100KΩ
to 10 MΩ, the equivalent resistance shall not fall below 100KΩ.
EGSE-GDIR-610
When an EGSE1, front-end, interfacing with the Specimen, should be connected to a second
EGSE2, that is not interfaced with the Satellite (case of OCOE for example), then the
insulation of the EGSE1 defined above shall be kept when the two EGSE’s are connected to
each other and their respective chassis masses shall be linked to the star mass point.
Under these conditions, the interface circuits between the two EGSE’s shall provide an
insulation ≥ 100KΩ , measured under ± 10VDC. This insulation shall be measured between
the two secondary 0V of the EGSE 1 and 2.
EGSE-GDIR-611
All the circuits transmitting and receiving signals in an EGSE whether or not interfaced with
the Specimen, with signals coming either from the Specimen, or from another EGSE, shall
remain operational with a common mode voltage ( VCM )of + or - 7 V DC applied between
the secondary 0V of the interface circuits of EGSE’s, or between the EGSE and the specimen,
where these transmitting and receiving circuits are located respectively
While measuring this rejection, the common mode current shall be limited to 100mA. (these
values conform to the RS422 standard)
6.3
SHIELDING
Item identification
Item description
EGSE-GDIR-612
The rule therefore shall be to connect shieldings to the mechanical mass of the connectors,
therefore to the box, at the two ends of the linking cables.
EGSE-GDIR-613
This shielding shall be grounded on the body of the connector and shall not be grounded by
using a pin of the connector connected to the mass inside the EGSE or inside the specimen.
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BONDING
Item identification
Item description
EGSE-GDIR-614
Each unit of a EGSE shall provide a bonding stud connected to the EGSE structure ground.
EGSE-GDIR-615
EGSE racks/cabinets shall be bonded together by not more than 10 mOhm.
6.5
AC LINE FILTERING
Item identification
Item description
EGSE-GDIR-616
Each unit using AC power shall include a filtering device. If a standard commercial unit is used
which does not include this device, an external item shall be implemented in the cabinet, as
closed as possible of the unit, to replace the missing device. (refer to CEE standard n°
73/23/CEE and 89/386/CEE)
6.6
INRUSH CURRENT
Item identification
Item description
EGSE-GDIR-617
The power current required on switching-on any unit, called Inrush current, shall never exceed
10 times the nominal value, either on the AC power lines or on the DC power lines
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OPERATIONAL REQUIREMENTS
7.1
GENERAL REQUIREMENTS
Item identification
Item description
EGSE-GDIR-700
The EGSE design shall minimise the number of personnel required for check out and
maintenance operations, without compromising the safety of Flight Hardware.
EGSE-GDIR-701
The EGSE design shall minimise the number of different types of tools and test equipment for
assembly, disassembly, check out and maintenance.
EGSE-GDIR-702
The EGSE design shall be flexible, modular and with the maximum commonalties of parts,
especially for such items as EGSE instrumentation, computers, controllers, computer
peripherals, power supplies, compatibility of EGSE racking, cable harnesses and coding
systems.
EGSE-GDIR-703
Test sequences and application programmes shall be written in a High Level language.
EGSE-GDIR-704
The EGSE shall be so designed that malfunction of its input power supplies, or malfunction
of the EGSE power subsystem delivering power to Flight Hardware, other EGSE, or facility,
shall not cause damage to that Flight Hardware, other EGSE, or facility.
EGSE-GDIR-705
Interfaces to flight hardware shall be considered critical, and subjected to failure analysis
(FMECA).
EGSE-GDIR-706
Adequate selftest facilities (Built in Test Equipment) shall be incorporated into the EGSE to
minimise the Mean Time To Repair (MTTR). As a minimum diagnosis of failure to an
individual drawer, instrument, or other self contained module shall be implemented. Self test
facility shall also be used for equipment validation / commissioning process.
EGSE-GDIR-707
First line EGSE maintenance philosophy shall be based on instrument/unit replacement to
minimise the non-availability of the EGSE to support AIT operations.
Repairs to replaced items shall be performed offline.
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USEFUL LIFE
Item identification
Item description
EGSE-GDIR-708
The EGSE shall have a design lifetime of 12 years at an average rate of 300 hours per month.
If some components have a shorter lifetime these shall be usage identified on the relevant
maintenance procedure and the relevant maintenance operations shall be recommended as part
of the maintenance schedule. These components, in adequate quantity to ensure the design
lifetime is achieved taking into account anticipated failure rates, shall be bought and made
available for spares provisioning at EGSE delivery.
EGSE-GDIR-709
The EGSE shall generally be designed for continuous operation. Test periods of up to 20 days
shall be supported without the need for interruptions due to resource limitations such as disk
space or storage medium exchange or routine maintenance activities.
EGSE-GDIR-710
Connectors shall be capable of 50 mate/demate cycles as a general rule, and 200 cycles for
connections between cabinets/consoles or with external devices. If this requirement cannot be
met, the supplier shall define the maximum allowed cycle number (not lower than 50), and the
associated procedure which shall be applied for refurbishment.
EGSE-GDIR-711
The EGSE shall be designed to withstand at least 10 cycles of packing, transport, storage,
unpacking and preparation for use.
7.3
INTERCHANGE ABILITY
Item identification
Item description
EGSE-GDIR-712
The EGSE used at different locations to support similar or identical operations shall be
designed to be functionally interchangeable without revision to hardware, software,
documentation or procedures.
EGSE-GDIR-713
Modules/subassemblies and/or subsystems used within the EGSE and carrying identical part
numbers shall be physically and functionally interchangeable, and shall not necessitate re
calibration or tuning, of either EGSE H/W or S/W or the selection of components in the item
being exchanged.
EGSE-GDIR-714
The EGSE design shall allow for expansion of its capabilities by addition of H/W and S/W
modules as may be required due to changes in Spacecraft configuration or function with
minimum impact on the existing design.
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QUALITY ASSURANCE
Refer to the applicable PA requirements documents: AD1, AD2, AD3.
9
VERIFICATION REQUIREMENTS
9.1
RESPONSIBILITY
Item identification
Item description
EGSE-GDIR-900
The party which is responsible for manufacturing and delivery of a test equipment item shall
also be responsible for verification. Verification includes acceptance.
EGSE-GDIR-901
Verification procedures shall be submitted for approval to the EGSE customer.
9.2
9.2.1
VERIFICATION METHODS
Design Review
Item identification
Item description
EGSE-GDIR-902
Design verification by review of analytical data shall consist of a review of all applicable valid
documentation (typically drawings, technical notes and procedures, material lists and
calculations) in view of proper reflection and implementation of requirements of applicable
specifications.
9.2.2
Visual Inspection
Item identification
Item description
EGSE-GDIR-903
Examination of product shall be based on a visual inspection of the hardware concerned by
competent experts. The visual inspection shall serve for a general survey, and inspection of
critical areas and for confirmation of the concurrence between hardware workmanship and
specified requirements as reflected in the applicable documentation.
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Analysis
Item identification
Item description
EGSE-GDIR-904
Analytical techniques may be used in lieu of, or to supplement testing as appropriate to verify
specification requirements which cannot be verified by other methods. The selected techniques
may include system engineering analysis, static, qualitative analysis and computer simulation.
EGSE-GDIR-905
A matrix in the specification shall identify those of parameters which will be tested or analysed.
9.2.4
Similarity
Item identification
Item description
EGSE-GDIR-906
Similarity assessment may be used if it can be shown that the article is similar or identical in
design and manufacturing process to another article that has been previously qualified to
equivalent or more stringent criteria.
9.2.5
Acceptance Test
Item identification
Item description
EGSE-GDIR-907
In order to demonstrate the satisfactory performances of the Equipment, an Acceptance Test
shall be carried out prior to its use with the flight hardware.
EGSE-GDIR-908
The acceptance test is an exhaustive combination of performances and interfaces test.
EGSE-GDIR-909
The acceptance test procedure shall be approved by the Prime Contractor. The acceptance
tests shall be performed according to this procedure, and the equipment characteristics shall be
measured at the interface cable end.
EGSE-GDIR-910
Two acceptance tests may be performed:
- first, completed one, before EGSE delivery.
- second, complementary one, at EGSE integration, when the EGSE element is
embedded in a complex system (with CCS and unit to be tested).
EGSE-GDIR-911
EGSE correct functioning with a cable length of 40 meters shall be demonstrated by tests.
EGSE-GDIR-912
For acceptance test, all the documentation shall be available. Documentation consistency with
equipment (both hardware and software) shall be verified prior to acceptance test beginning.
EGSE-GDIR-913
All standard measuring equipments have to be calibrated for Acceptance Test.
EGSE-GDIR-914
The acceptance test report shall include the "as run" procedure and measured data record.
This test shall, in particular :
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ƒ
Verify that the test equipment design meets all the performance (including insulation
performances) requirements.
ƒ
Verify that particular hardware meets the performance requirements.
ƒ
Detect defects in material or workmanship. (long duration test in worst condition for
Power equipment).
ƒ
Discover unexpected interference between assemblies.
ƒ
Verify the compatibility to interfacing equipment and in particular to spacecraft
equipment.
ƒ
Verify that the test equipment is within the normal calibration period.
ƒ
Verify the EGSE safety (all protection circuits shall be tested)
The acceptance test shall be conducted, as far as feasible, with a fully integrated and complete
EGSE (all cables, all units, final software version), and necessary simuli / stimuli to reproduce
as close as possible the interfaces and functions.
EGSE acceptance shall include S/W verifications to ensure:
ƒ
Achievement of functional requirements.
ƒ
Correct implementation of SW/SW and SW/HW interfaces.
ƒ
Performance Tests (attainment of timing and load requirements).
ƒ
Failure Test (reactions of SW and HW failures, operator errors and non-nominal
system configuration).
ƒ
Endurance Test (uninterrupted error free SW operation in a simulated real time
environment).
EGSE-GDIR-916
An acceptance test shall be conducted for each model built.
EGSE-GDIR-917
All the specific test Aids or components designed and/or provided especially for the EGSE
and used during the acceptance test are deliverable with the EGSE.
Note: Test aids and simulators for EGSE verification may be recruited from the
manufacturer's laboratory pool. If so, they are not considered deliverable items.
However, they shall be kept available in manufacturer's premises over the specified EGSE
operational life to support regular maintenance and repair.
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Test Report
Item identification
Item description
EGSE-GDIR-918
Test reports are compulsory for the formal requirement verification close out. They are also
essential to constitute the reference data source for maintenance and troubleshooting.
EGSE-GDIR-919
The measured parameters of test shall be recorded (physical value) in the test report in order to
constitute the reference data for maintenance and trouble shooting. They are also needed to
prove that the equipment meets the required specifications. Consequently, test report using
"OK" "NOT OK" shall not be used for parameter measurement results.
EGSE-GDIR-920
The test report must also contain all the input /output signal characteristics records.
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10 EGSE DOCUMENTATION
Item identification
Item description
EGSE-GDIR-
The EGSE documentation, written in English language, shall be provided by the supplier as a
minimum with each set of equipment delivered. This documentation shall be available before
the acceptance test in order to be approved by the prime contractor.
1000
EGSE-GDIR1001
EGSE-GDIR1002
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When standard commercial equipment's are used, the standard documentation delivered with
the equipment shall be provided.
If not otherwise specified in the equipment SOW, the EGSE deliverable documentation shall
typically include :
ƒ
the compliance certificate to the applicable requirements specification
ƒ
The CE certificate
ƒ
the GSE design definition
ƒ
the firmware description (if any),
ƒ
the GSE manufacturing file (or industrial file),
ƒ
the User's manual, Maintenance manual,
ƒ
the firmware listing with comments (if any),
ƒ
the acceptance test plan,
ƒ
the software description of the acceptance test plan (if any)
ƒ
the FMECA
ƒ
the software listing with comments of the acceptance test plan (if any)
ƒ
the acceptance test report
ƒ
consumable references
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PREPARATION FOR DELIVERY
11.1
GENERAL REQUIREMENTS
Item identification
Item description
EGSE-GDIR-
The requirements specified herein shall govern the preparation for shipment and the transport
of the EGSE to the user facilities.
1100
11.2
METHODS OF PRESERVATION AND PACKING
Item identification
Item description
EGSE-GDIR-
The methods of preservation, packaging and packing utilised for shipment together with the
necessary special control during transportation shall adequately protect the EGSE from
damage or degradation of performance due to the natural and induced environments
encountered during transportation and subsequent storage.
1101
11.3
PACKAGING DESIGN REQUIREMENTS
Item identification
Item description
EGSE-GDIR-
The items shall be easy to pack
1102
1103
Items subject to deterioration, corrosion or damage in the packed state shall be packed in a
manner and with such materials as necessary to prevent damage.
EGSE-GDIR-
Detailed requirements and constraints shall be specified in the relevant documentation.
EGSE-GDIR-
1104
EGSE-GDIR-
Sensitive equipment containers shall be equipped of peak level detection shock monitors.
1105
EGSE-GDIR1106
EGSE-GDIR1107
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Packing containers shall be equipped with self locking clamps or countersunk butterfly nuts for
closing / opening.
Packing containers shall be equipped with ramps including guidance for safe cabinet loading
and unloading
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HANDLING
Item identification
Item description
EGSE-GDIR-
All equipment's and their containers shall be designed so that they can be handled without
special equipment's and such that simple cranes and manual or motorised fork lifts can be
utilised.
1108
The following is required :
ƒ
use of reusable containers,
identification of contents, manufacturer, project, size, total weight, net weight, standard
markings for handling (e.g. fork lift points).
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12 REQUIREMENTS MATRIX FROM V2.0 TO V3.0
Following table gives correspondence between V2.0 requirements numbers and V3.0 requirements
numbers.
Issue 3 Revision 0
EGSE_GDIR_200
EGSE_GDIR_201
EGSE_GDIR_202
EGSE_GDIR_203
EGSE_GDIR_204
EGSE_GDIR_205
EGSE_GDIR_206
EGSE_GDIR_207
EGSE_GDIR_208
EGSE_GDIR_300
EGSE_GDIR_301
EGSE_GDIR_302
EGSE_GDIR_303
EGSE_GDIR_304
EGSE_GDIR_305
EGSE_GDIR_306
EGSE_GDIR_307
EGSE_GDIR_308
EGSE_GDIR_309
EGSE_GDIR_310
EGSE_GDIR_311
EGSE_GDIR_400
EGSE_GDIR_401
EGSE_GDIR_402
EGSE_GDIR_403
EGSE_GDIR_404
EGSE_GDIR_405
EGSE_GDIR_406
EGSE_GDIR_407
EGSE_GDIR_408
EGSE_GDIR_409
EGSE_GDIR_410
EGSE_GDIR_411
EGSE_GDIR_412
EGSE_GDIR_413
EGSE_GDIR_414
EGSE_GDIR_415
EGSE_GDIR_416
EGSE_GDIR_417
EGSE_GDIR_418
EGSE_GDIR_419
EGSE_GDIR_420
EGSE_GDIR_421
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2.1
2.3
2.4
2.5
2.7
2.8
2.13
2.17
2.18
3.1/3.2/3.4
3.5/3.6/3.7/3.8
3.3.1/3.3.2/3.3.3
3.1.1/3.1.2/3.1.3
3.2.1/3.2.3/3.2.4/3.2.5/3.2.6/3.2.7/3.2.8/3.2.9
created
created
created
created
created
created
created
No Reference
No Reference
4.1.1.2
4.1.1.3
4.1.2.1
4.1.2.2
4.1.2.3
4.1.2.4
4.1.2.6
No Reference
4.2.2.1
4.3.1.1
4.3.1.2
4.3.1.3
4.3.1.4
4.3.2.1
4.3.2.2
4.3.2.3
4.3.2.5
No Reference
No Reference
4.3.3.1
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EGSE_GDIR_422
EGSE_GDIR_423
EGSE_GDIR_424
EGSE_GDIR_425
EGSE_GDIR_426
EGSE_GDIR_427
EGSE_GDIR_428
EGSE_GDIR_429
EGSE_GDIR_430
EGSE_GDIR_431
EGSE_GDIR_432
EGSE_GDIR_433
EGSE_GDIR_434
EGSE_GDIR_435
EGSE_GDIR_436
EGSE_GDIR_437
EGSE_GDIR_438
EGSE_GDIR_439
EGSE_GDIR_440
EGSE_GDIR_441
EGSE_GDIR_442
EGSE_GDIR_443
EGSE_GDIR_444
EGSE_GDIR_445
EGSE_GDIR_446
EGSE_GDIR_447
EGSE_GDIR_448
EGSE_GDIR_501
EGSE_GDIR_502
EGSE_GDIR_503
EGSE_GDIR_504
EGSE_GDIR_505
EGSE_GDIR_506
EGSE_GDIR_507
EGSE_GDIR_508
EGSE_GDIR_509
EGSE_GDIR_510
EGSE_GDIR_511
EGSE_GDIR_512
EGSE_GDIR_513
EGSE_GDIR_514
EGSE_GDIR_515
EGSE_GDIR_516
EGSE_GDIR_517
EGSE_GDIR_518
EGSE_GDIR_519
EGSE_GDIR_520
EGSE_GDIR_521
EGSE_GDIR_522
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4.3.3.3
4.3.3.5
4.3.4.1
4.3.4.2
4.3.4.4
4.3.4.5
4.3.7.1
4.3.7.2
4.3.8.1
4.3.8.2
4.3.8.3
4.3.8.4
4.4.1.1
4.4.1.3
4.4.1.5
4.4.1.6
4.4.1.7
Created
Created
4.4.2.1
4.4.2.2
4.4.2.3
4.4.2.5
4.4.2.6
4.4.2.9
Created
4.4.3.1
5.1.2
5.1.6
Created
created
5.2.1
5.2.3
5.2.4
5.2.6
5.2.7
5.2.8
5.3.1
5.4.1
5.4.2
5.4.4
5.5.2
5.5.3 (part)
5.5.3 (part)
5.5.3 (part)
5.5.3 (part)
5.5.3 (part)
5.5.3 (part)
5.5.4
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EGSE_GDIR_523
EGSE_GDIR_524
EGSE_GDIR_525
EGSE_GDIR_526
EGSE_GDIR_527
EGSE_GDIR_528
EGSE_GDIR_529
EGSE_GDIR_530
EGSE_GDIR_531
EGSE_GDIR_532
EGSE_GDIR_533
EGSE_GDIR_534
EGSE_GDIR_535
EGSE_GDIR_536
EGSE_GDIR_537
EGSE_GDIR_538
EGSE_GDIR_539
EGSE_GDIR_540
EGSE_GDIR_541
EGSE_GDIR_542
EGSE_GDIR_543
EGSE_GDIR_544
EGSE_GDIR_545
EGSE_GDIR_546
EGSE_GDIR_547
EGSE_GDIR_548
EGSE_GDIR_549
EGSE_GDIR_550
EGSE_GDIR_551
EGSE_GDIR_552
EGSE_GDIR_553
EGSE_GDIR_554
EGSE_GDIR_555
EGSE_GDIR_556
EGSE_GDIR_557
EGSE_GDIR_558
EGSE_GDIR_559
EGSE_GDIR_560
EGSE_GDIR_561
EGSE_GDIR_562
EGSE_GDIR_563
EGSE_GDIR_564
EGSE_GDIR_565
EGSE_GDIR_566
EGSE_GDIR_567
EGSE_GDIR_568
EGSE_GDIR_569
EGSE_GDIR_570
EGSE_GDIR_571
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5.5.5
Created
5.6.1
created
created
5.6.2
5.6.3
5.6.4
5.6.5
5.6.6
5.6.7
5.6.8
5.6.9
5.6.10
created
created
created
5.7.1
5.8.1/5.8.2/5.8.3/5.8.4/5.8.5/5.8.6
5.9.1
5.9.4
5.9.10
5.9.6
5.9.17
Created
5.9.18
Created
Created
5.9.5
5.9.2
5.9.3
5.9.7
5.9.8
5.9.9
Created
Created
5.9.11
5.9.12
5.9.13
Created
Created
Created
5.9.14
5.9.15
5.9.16
5.9.19
5.10.1
5.11.1
5.11.2
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EGSE_GDIR_572
EGSE_GDIR_573
EGSE_GDIR_574
EGSE_GDIR_575
EGSE_GDIR_576
EGSE_GDIR_577
EGSE_GDIR_578
EGSE_GDIR_579
EGSE_GDIR_580
EGSE_GDIR_581
EGSE_GDIR_582
EGSE_GDIR_583
EGSE_GDIR_584
EGSE_GDIR_585
EGSE_GDIR_586
EGSE_GDIR_587
EGSE_GDIR_588
EGSE_GDIR_589
EGSE_GDIR_590
EGSE_GDIR_591
EGSE_GDIR_592
EGSE_GDIR_593
EGSE_GDIR_594
EGSE_GDIR_600
EGSE_GDIR_601
EGSE_GDIR_602
EGSE_GDIR_603
EGSE_GDIR_604
EGSE_GDIR_605
EGSE_GDIR_606
EGSE_GDIR_607
EGSE_GDIR_608
EGSE_GDIR_609
EGSE_GDIR_610
EGSE_GDIR_611
EGSE_GDIR_612
EGSE_GDIR_613
EGSE_GDIR_614
EGSE_GDIR_615
EGSE_GDIR_616
EGSE_GDIR_617
EGSE_GDIR_700
EGSE_GDIR_701
EGSE_GDIR_702
EGSE_GDIR_703
EGSE_GDIR_704
EGSE_GDIR_705
EGSE_GDIR_706
EGSE_GDIR_707
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5.11.3
5.11.4
5.11.5/5.11.6
5.11.7
5.12.1/5.12.2/5.12.3/5.12.4/5.12.5/5.12.6/5.12.7
5.12.8
5.12.9
5.12.10
5.12.11
5.12.12
Created
5.13.1.1
Created
5.13.1.2/5.13.1.3/5.13.1.4/5.13.1.5/5.13.1.6/5.13.1.7
5.13.2.1
5.13.2.2
5.13.2.4
5.13.2.5
5.13.2.6
5.13.2.7
5.13.2.8
5.13.2.9
5.13.2.10
6.1
Created
Created
Created
Created
Created
Created
Created
Created
Created
Created
Created
Created
Created
6.2.1.1
6.2.2.1
6.3.1
6.4.1
8.1.1
8.1.2
8.1.3
8.1.4
8.1.5
8.1.7
8.1.10
8.1.11
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EGSE_GDIR_708
EGSE_GDIR_709
EGSE_GDIR_710
EGSE_GDIR_711
EGSE_GDIR_712
EGSE_GDIR_713
EGSE_GDIR_714
EGSE_GDIR_900
EGSE_GDIR_901
EGSE_GDIR_902
EGSE_GDIR_903
EGSE_GDIR_904
EGSE_GDIR_905
EGSE_GDIR_906
EGSE_GDIR_907
EGSE_GDIR_908
EGSE_GDIR_909
EGSE_GDIR_910
EGSE_GDIR_911
EGSE_GDIR_912
EGSE_GDIR_913
EGSE_GDIR_914
EGSE_GDIR_915
EGSE_GDIR_916
EGSE_GDIR_917
EGSE_GDIR_918
EGSE_GDIR_919
EGSE_GDIR_920
EGSE_GDIR_1000
EGSE_GDIR_1001
EGSE_GDIR_1002
EGSE_GDIR_1100
EGSE_GDIR_1101
EGSE_GDIR_1102
EGSE_GDIR_1103
EGSE_GDIR_1104
EGSE_GDIR_1105
EGSE_GDIR_1106
EGSE_GDIR_1107
EGSE_GDIR_1108
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8.2.1
Created
8.2.3
created
8.3.1
8.3.2
8.3.3
10.1.1
10.1.2
10.2.1.1
10.2.2.1
10.2.3.1
10.2.3.2
10.2.4.1
10.2.5.1
10.2.5.2
10.2.5.3
10.2.5.4
10.2.5.5
10.2.5.6
10.2.5.7
10.2.5.8
10.2.5.9
10.2.5.10
10.2.5.11
10.2.6.1
10.2.6.2
10.2.6.3
11.1
11.1.1
11.2.1/11.2.2/11.2.3/11.2.4/11.2.5/11.2.6/11.2.7/11.2.8/11.2.9/11.2.10/11.2.11
12.1.1
12.2.1
12.3.1
12.3.2
12.3.3
12.3.4
12.3.5
12.3.6
12.4.1/12.4.2/12.4.3
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DISTRIBUTION LIST
Overall document
Action
Summary
Information
Astrium SAS
Cesare Bertona
Laurent Lobo
Patrick Lelong
Michel Pendaries
Astrium UK
Mohammed Ali
Clive Catley
Steve King
ESA
1 copy on FTP server
End of document
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