Document # |
Date Effective |
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LAT-TD-05749 |
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Prepared by(s) |
Supersedes |
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L. Latronico R. Johnson H. Tajima |
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GLAST LAT Technical
Note |
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Subsystem/Office |
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Tracker Subsystem |
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Document Title |
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Gamma-ray Large Area Space Telescope (GLAST)
Large Area Telescope (LAT)
Tracker Subsystem
End Item Data Package
Tower A
DOCUMENT APPROVAL
Prepared
by: |
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L. Latronico |
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Date |
Approved by: |
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E. Rapposelli |
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Date |
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L. Latronico |
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Date |
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N. Mazziotta TKR Subsystem Environmental Test Lead Engineer |
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Date |
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A. Troianiello |
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Date |
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Robert P. Johnson |
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Date |
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A. Brez |
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Date |
LAT Acceptance
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Dick Horn |
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Date |
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Pat Hascall |
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Date |
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Elliott Bloom |
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Date |
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Darren Marsh |
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Date |
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Other |
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Date |
CHANGE HISTORY LOG
Revision |
Effective Date |
Description of
Changes |
01 |
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Initial Draft |
02 |
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Update with post-ship information |
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The purpose of this document is to collect all the data for the Glast LAT Tracker (TKR) Tower End Item Data Package (EIDP), in compliance with LAT-TD-04350 and PRC_Pi_QC_005. This document is compiled and reviewed within the Tracker subsystem prior to shipment of Tower A from INFN to SLAC. The contents of this document have been coordinated between LAT Integration, Test, and Calibration (IT&C), LAT Systems Engineering (SE), LAT Quality Assurance (QA), and the TKR subsystem.
Item Description: |
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Identification |
Part/Drawing
Number |
Serial
Number |
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LAT-DS-00722 |
A |
Cable holding plate |
LAT-DS-03826 |
NA |
LAT-DS-03949 |
NA |
MECHANICAL
SUMMARY DATA |
Mechanical Lead: INFN: E. Rapposelli SLAC: D.
Rich |
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ITEM: |
REMARKS: |
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Structural Analysis
reviewed and acceptable |
Available on file at SLAC |
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Structural Tests reviewed
and acceptable |
Available on file at SLAC |
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Open Items from tests performed or
from meetings with SLAC |
None |
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Mass (evaluated) |
31.986 kg |
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Mass / Center of Mass Report -
Analysis |
Mass / CoM report |
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Dimensions |
Complies with IDD |
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Interface flatness and surface finish |
Complies with IDD |
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Dimension Inspection Report |
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Final visual inspection prior to
shipping |
Tower Flow-chart on file at INFN-Pisa
(summary) |
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Tower receiving, EM taping, and test
at SLAC |
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Tower A Verification Matrix |
ELECTRICAL
SUMMARY DATA |
INFN Electrical Lead: Luca
Latronico |
SLAC Electrical Lead: Hiro Tajima |
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DESCRIPTION: |
REMARKS: |
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Power consumption (28V, 25 deg C,
nominal activity) TKR + TEM/TPS |
18 W |
17.4 W (21.6
deg C) |
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Power consumption (AVVDA, AVDDB,
DVDD, 25 C, nominal Activity) |
8.7 W |
8.6 W (21.6 deg C) |
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Part List reviewed and acceptable |
Tower Flow-chart on file at INFN-Pisa
(summary) |
N/A |
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Pre-ship electrical Test reviewed and
acceptable |
Available on file at INFN-Pisa |
N/A (See below for post-ship and hadoff test results) |
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Open Items from previous reviews /
meetings / tests |
Status of channels history (link) |
Status of channels
history (link) |
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Relevant support documents |
Standard schema file (xml archive) Schema File excluding cable 6 (xml archive)
Tower Map (link) |
Standrad schema files (xml
archive) |
PRODUCT
ASSURANCE DATA |
Quality Lead Engineer: INFN:
Aldo Troianiello SLAC:
Darren Marsh |
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DESCRIPTION: |
REMARKS: |
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INFN Non-conformance report summary |
NCR summary (link) |
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INFN NCRs open at pre-ship review
(now all closed) |
Summary (link) |
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Traceability of unit pedigree |
Tower Flow-chart on file at INFN-Pisa
(summary) |
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Photographic Record |
On file at INFN-Pisa (link) Tower receiving at SLAC (link) |
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Inspection records |
Tower Flow-chart on file at INFN-Pisa
(summary) |
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Storage, handling, shock records |
On file at INFN-Pisa |
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WOA list |
Tower Flow-chart and procedural
travelers therein – available on file at INFN-Pisa |
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All operations, inspections, and tests
have been completed per procedures as indicated on WOA (signed and dated) |
Tower Flow-chart and procedural
travelers therein – available on file at INFN-Pisa |
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All operations performed to released
and controlled procedures |
Procedures available on file at SLAC
and INFN-Pisa |
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Chronological history is up-to-date
and reflects each major action that has transpired |
Tower Flow-chart on file at INFN-Pisa
(summary) |
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Identity of manufacturers, part
numbers, and serial number are correct |
Tower Flow-chart on file at INFN-Pisa
(summary) |
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All Problem Reports, Material Review
Board Reports, and failure reports are closed and accepted as per internal
procedures |
NCR database available on file and on
web at INFN-Pisa |
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Materials and processes used in the
hardware are approved and acceptable |
Materials and processes under
configuration control at SLAC |
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Test logbooks, including operating
time and cycle records, are complete and meet specified requirements |
Log books on file at INFN-Pisa |
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All test data including deviations
have been approved and stamped by the test engineer and Quality Assurance |
Tower Flow-chart on file at INFN-Pisa
(summary) |
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Inspection performed for physical
damage (such as scratches or dents) and for cleanliness |
Tower Flow-chart on file at INFN-Pisa
(summary) |
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Connectors and pins examined for
evidence of damage or contamination |
No evidence of damage or
contamination. Refer to Mate/Demate Log |
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All environmental test data and results
meet specifications |
Environmental test reports |
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ENVIRONMENTAL TEST
SUMMARY DATA |
System Engineer: Tom Himel |
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EMI/EMC Test |
Test Procedure: LAT-TD-05462 |
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Summary Report |
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Requirement |
Criteria |
Pass / Fail |
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Acceptance Test |
LAT-SS-00778 Sect 13 |
Flight Acceptance |
Pass |
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ENVIRONMENTAL TEST
SUMMARY DATA |
System Engineer: Nicola Mazziotta |
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Vibration Test |
LAT-TD-05296 (Test Plan) and LAT-TD-05310 (Test Procedure) |
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Summary Report |
LAT-TD-05494 (link) |
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Requirement |
LAT-MD-00408 and
LAT-SS-00778 Criteria |
Pass / Fail |
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Static-Equivalent Acceleration |
LAT-SS-00778 Sect 8.1 Tab 3 |
Protoflight (PF) |
Pass |
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Random Vibration |
LAT-SS-00778 Sect 9.1 Tab 20 |
Protoflight (PF) |
Pass |
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Sinusoidal Vibration |
LAT-SS-00778 Sect 9.2 Tab 24 |
Protoflight (PF) |
Pass |
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CPT/LPT |
LAT-MD-00408, Sect 7.1.2 |
Prior and after |
Pass |
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ENVIRONMENTAL TEST
SUMMARY DATA |
System Engineer: Nicola Mazziotta |
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Thermal Vacuum Test |
LAT-TD-05311 (Test Procedure) |
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Summary Report |
LAT-TD-05495 (link) |
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Requirement |
LAT-MD-00408 and
LAT-SS-00778 Criteria |
Pass / Fail |
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Protoflight Temperature |
Max/Min Predict ± 10 °C LAT-MD-00408, Sect 5 Tab 5-2 |
–20°C to +50°C (PF) |
Pass |
Protoflight Survival Temperature |
Max/Min Predict ± 10 °C LAT-MD-00408, Sect 5 Tab 5-2 |
–20°C to +50°C (PF) |
Pass |
Protoflight Operational Temperature |
Max/Min Predict ± 10 °C LAT-MD-00408, Sect 5 Tab 5-2 |
–20°C to +50°C (PF) |
Pass |
Hot Turn On |
LAT-MD-00408, Sect 7.1.2.8 LAT-TD-05311, Sect 9.1.3 |
+50°C |
Pass |
Cold Turn On |
LAT-MD-00408, Sect 7.1.2.8 LAT-TD-05311, Sect 9.1.3 |
–20°C |
Pass |
Thermal Balance |
LAT-MD-00408, Fig 7-3 LAT-TD-05311, Sect 9.1.2 |
+50°C |
Pass |
Bakeout Test |
LAT-MD-00408, Sect 7.1.2.8 LAT-TD-05311, Sect 9.1.1 |
+50 °C |
Pass |
Number of thermal cycles |
LAT-MD-00408, Sect 5 Tab 5-2 LAT-TD-05311, Sect 8 |
4 |
Pass |
CPT |
LAT-MD-00408, Sect 7.1.2.1 LAT-TD-05311, Sect 7.4.3 |
Prior, during and after |
Pass (NCR/FM/INFN/PI-341) |
Functional/LPT |
LAT-MD-00408, Sect 7.1.2.3 LAT-TD-05311, Sect 7.4.3 |
During |
Pass (NCR/FM/INFN/PI-341) |
The LAT Tracker Test Verification Matrix, LAT-SS-04126, summarizes the requirements and verification method contained in:
LAT-SS-00017 TKR Subsystem Specification
LAT-SS-00134 LAT-TKR Detailed Subsystem
Specification
LAT-SS-00138 TKR-LAT Mech., Thermal Interface
Control Doc.
LAT-SS-00152 LAT Readout Electronic
Specification
LAT-SS-00176 TKR-LAT Electrical Interface
Control Doc.
LAT-SS-00778 LAT Environmental Specification
The verification status and/or data product mapping is indicated in the current release of the document
The TKR Comprehensive Performance Test (CPT) is defined in LAT-TD-00191.
Phase |
Test |
Date |
Summary Status |
Egse Test Session Report |
Initial Test |
CPT |
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Pass |
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Post EMI/EMC |
CPT |
NA |
NA |
NA |
Post Vibration Test |
CPT |
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Pass |
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Post TVAC Test |
CPT |
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Pass |
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Pre-ship Test |
CPT |
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Pass |
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Post-Ship Test |
CPT |
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Pass |
Go to Shift Run Info
and search run range 398000221-398000313 |
Hand-Off Test |
PS-05481 |
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Pass |
Go to Shift Run Info
and search run range 398000492-398000652 |
Trend Analysis |
Efficiency |
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NA |
Dead time (TE703) and Noise Occupancy during Readout (TE704) will be measured during I&T phase using GASU based system.
NA
See (link,Pisa) for status of channels (link,SLAC) and efficiency (link,SLAC).
Calibration data (xml archive)
Phase |
Test |
LATTE Release |
TKR EGSE Release |
Initial Test |
CPT |
P04-05-00 |
V4-p4 |
Post Vibration Test |
CPT |
P04-05-00 |
V4-p4-pisa-1-2 |
Post TVAC Test |
CPT |
P04-05-00 |
V4-p4-pisa-1-2 |
Pre-ship Test |
CPT |
P04-05-00 |
V4-p4 |
Post-ship Test |
CPT |
P04-06-04 |
v5p2 |
Handoff-Test (LAT-PS-05481) |
All |
P04-06-04 |
v5p4 |
Link to Mate / De-mate Log: TKR TowerA Mate Demate Log (Note: mate/demate log on trays to be provided from G&A)
Operational hours at Pisa available from test report. Operational hours at SLAC is 76 hours 29 minutes. (log)