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Document # |
Date Effective |
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LAT-TD-07713-01 |
28 November 2005 |
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Prepared by(s) |
Supersedes |
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Gunther Haller |
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GLAST LAT Technical Note |
Jeffrey Ludvik |
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Subsystem/Office |
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Electronics & DAQ Subsystem |
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Document Title |
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GASU Assembly |
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Gamma-ray Large Area Space Telescope (GLAST)
Large Area Telescope (LAT)
Electronics & DAQ Subsystem
Acceptance Test Data Package
GASU Assembly #1
GLAT2245
DOCUMENT APPROVAL
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Prepared by: |
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Jeffrey Ludvik |
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Approved by: |
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Gunther Haller |
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Dave Nelson |
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Leonid Sapozhnikov |
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Joe Cullinan |
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LAT Acceptance
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Dick Horn |
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Pat Hascall |
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Elliott Bloom |
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Joe Cullinan |
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Other |
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CHANGE HISTORY LOG
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Revision |
Effective Date |
Description of Changes |
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01 |
28 November 2005 |
Initial Draft |
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1 PURPOSE
The purpose of this Technical Note is to document the contents of the Acceptance Test Data Package (ATDP) for the DAQ Electronics (DAQ) subsystem. The contents of this document have been coordinated between LAT Integration, Test, and Calibration (IT&C), LAT Systems Engineering (SE), and LAT Quality Assurance (QA).
2 Identification
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Item Description:
LAT GASU Assembly #1 Module – GLAT2245 - LAT-DS-01611-53 |
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Identification |
Part/Drawing Number |
Serial Number |
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GPSU (Primary) |
LAT-DS-01724-50 |
GLAT1900 |
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GPSU (Redundant) |
LAT-DS-01724-50 |
GLAT1903 |
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GASU DAQ CCA (Primary) |
LAT-DS-01718-57 |
GLAT1905 |
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GASU DAQ CCA (Redundant) |
LAT-DS-01718-57 |
GLAT1904 |
3 Certificates of Compliance
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MECHANICAL SUMMARY DATA |
Mechanical Lead: Dave Nelson |
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ITEM: |
REMARKS: |
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Structural Analysis reviewed and acceptable |
Report Available |
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Structural Tests reviewed and acceptable |
Report Available |
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Open Items from tests performed or from meetings with SLAC |
None |
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Mass (Measured) The maximum GASU assembly mass allocation is 16.7 kg/36.74 lbs. LAT-PS-07037-01, Sec. 4.1.1 |
15.7 kg, Complies |
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As Run Mass Measurement Procedure |
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Mass (Mass Survey) |
Not Performed |
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Mass / Center of Mass Report - Analysis |
Not Performed - Qual only |
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Dimensions/Interface flatness and surface finish |
GASU length: 26.544 in. |
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Dimension Inspection Report |
Done at box level assy listed below |
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GASU
base/lid dimensional inspection |
Archived at SLAC, Bldg. 33 Flight Store |
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Final visual inspection prior to shipping to SLAC. |
Archived at SLAC in Bldg. 33 Flight Store |
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ELECTRICAL SUMMARY DATA
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Electrical Lead: Gunther Haller |
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DESCRIPTION: |
REMARKS: |
| Power consumption under nominal load conditions (no ACD), 25 degC, 20MHz clock: |
Primary (Powered through JL-40) = 10.68W, see TD-06888
section 5.2.2 Redundant (powered through JL-41) = 10.80W, see TD-06888 section 5.2.18 |
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Power consumption under low, nominal, and high load
conditions of GASU with simulated ACD load at 25 degC, 20 MHz clock (TD-06888, section 5.2.16): |
Low Primary = 22.24W Redundant = 22.26W Nominal Primary = 28.17W Redundant = 28.22W High Primary = 31.02W Redundant = 31.02W |
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Part List reviewed and acceptable |
Archived at SLAC, Bldg. 33 Flight Store |
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Electrical Test reviewed and acceptable |
Archived at SLAC, Bldg. 33 Flight Store |
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Open Items from previous reviews / meetings / tests |
None |
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Power consumption Report |
GASU_GLAT2245_Pwr_Consumption |
| Start-up Voltage Profile | NA | |
| Start-up Current Profile | NA | |
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PRODUCT ASSURANCE DATA
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Quality Lead Engineer: Joe Cullinan |
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DESCRIPTION: |
REMARKS: |
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Non-conformance report summary |
GASU_GLAT2245_SLAC_Summary_Report Archived at SLAC, Bldg. 33 Flight Store |
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Open NCRs |
See NCR List Below |
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Traceability of unit pedigree |
Available in SOW, WO from Aeroflex. Archived at SLAC, Bldg. 33 Flight Store |
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Photographic Record |
Online and Archived at SLAC, Bldg. 33 Flight Store SLAC Records |
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Inspection records |
Archived at SLAC, Bldg. 33 Flight Store |
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Storage, handling, shock records |
Archived at SLAC, Bldg. 33 Flight Store |
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WO list |
WO#1682, WO#1713, WO#1698 |
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All operations, inspections, and tests have been completed per procedures as indicated on WO (signed and dated) |
WOs Archived at SLAC, Bldg. 33 Flight Store |
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All operations performed to released and controlled procedures |
Documents available online in LAT-docs database |
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Chronological history is up-to-date and reflects each major action that has transpired |
WOs Archived at SLAC, Bldg. 33 Flight Store |
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Identity of manufacturers, part numbers, and serial number are correct |
Archived at SLAC, Bldg. 33 Flight Store |
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All Non Conformance Reports, Material Review Board Reports, and failure reports are closed and accepted as per internal procedures |
NCRs Archived at SLAC, Bldg. 33 Flight Store |
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Materials and processes used in the hardware are approved and acceptable |
Archived at SLAC, Bldg. 33 Flight Store |
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Test logbooks, including operating time and cycle records, are complete and meet specified requirements |
Log books and WOs Archived at SLAC, Bldg. 33 Flight Store |
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All test data including deviations have been approved and stamped by the test engineer and Quality Assurance |
WOs and reports Archived at SLAC, Bldg. 33 Flight Store |
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Inspection performed for physical damage (such as scratches or dents) and for cleanliness |
No appreciable damage to interfaces. Unit cleaned prior to shipment. |
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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 |
No exceptions |
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ENVIRONMENTAL TEST SUMMARY DATA |
System Engineer: Dave Tarkington |
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Vibration Test |
LAT-TD-06101-02, as run available on file |
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Summary Report |
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Requirement |
LAT-SS-00778 Criteria |
Pass / Fail |
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Random Vibration |
Table 27, Section 9.1 |
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Pass |
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ENVIRONMENTAL TEST SUMMARY DATA |
System Engineer: Leonid Sapozhnikov |
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Thermal Cycle |
WO#1682, GLAT2245, as run available on file |
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Summary Report |
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Requirement |
WO#1682, Step 129 |
Pass / Fail |
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Follow Profile |
WO1682, Step 129 |
5 cycles, –40°C to +55°C |
Pass |
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ENVIRONMENTAL TEST SUMMARY DATA |
System Engineer: Roger Williams |
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Thermal Vacuum Test |
LAT-TD-03635-02, as run available on file |
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Summary Report |
TVAC_Data available on V: drive in directory: V:\GLAST\Electronics\Ancillary\Fl | |||