3.1 Identification
| Paragraph | Title | Response |
|---|---|---|
| 3.1.1 | Unit Identification | GE2054500 |
| 3.1.2 | Serial Number | N/A |
| 3.1.3 | Date and time of release for delivery | Pre Ship Review 2:00pm August 8, 2005, (GLAST/ACD Pre-Ship Review ACD-RVW-000376) |
| 3.1.4 | Responsible Equipment Engineer (REE) Certification | Tom Johnson |
| 3.1.5 | Quality Assurance Certification (as required) | |
| 3.1.6 | SLAC approval for shipment | Pre Ship Review 2:00pm August 8, 2005, (GLAST/ACD Pre-Ship Review, ACD-RVW-000376) |
| 3.1.6.1 | Project Office | |
| 3.1.6.2 | Systems Engineering | |
| 3.1.6.3 | Integration and Test | |
| 3.1.6.4 | Quality Assurance | |
| 3.1.6.5 | Other |
3.2 Unit Performance Data
| 3.2.1 | Demonstrated compliance to the following Documents is required. | n/a |
| 3.2.1.1 | LAT-SS-00016 ACD Subsystem Specification | GLAST LAT ACD Subsystem Verification Plan, ACD-PLAN-000050 (SECTION 5) Level IV Verification Table |
| 3.2.1.2 | LAT-DS-00309 ACD-LAT Interface Definition Drawing | GLAST LAT ACD Subsystem Verification Plan, ACD-PLAN-000050 (SECTION 6) Level IV Verification Table |
| 3.2.1.3 | ACD-RQMT-00031 ACD Design Specification | Level IV Verification Table |
| 3.2.1.4 | LAT-SS-00363 ACD-LAT Mech., Therm., Elec. Interface Control Doc. | GLAST LAT ACD Subsystem Verification Plan, ACD-PLAN-000050 (SECTION 6) ICD Verification Table |
| 3.2.1.5 | LAT-SS-00778 LAT Environmental Specification |
ACD Thermal Vacuum Test Report, ACD-DATA-000377 GLAST ACD Electromagnetic Compatibility (EMC) test Report 12/2004, ACD-RPT-000379 GLAST ACD Electromagnetic Compatibility (EMC) Test Report 04/2005, ACD-RPT-000380 GLAST ACD Electronic Chassis CSCM Susceptibility EMC Test Report 06/07/2005, ACD-RPT-000381 ACD PROTOFLIGHT POST-TEST REPORT, ACD-RPT-000363 Summaries in Pre-Ship Review |
| 3.2.1.6 | LAT-MD-00446 LAT SVAC Plan | ACD-PLAN-000332, ACD On-Ground Science Performance Calibration and Monitoring |
3.2.2 Mechanical Summary Data
| 3.2.2.1 | Mass | 283.6 Kg (624 lbs) Adjusted for outer layer of Germanium Kapton and Velcro approximations Pre-Ship Review |
| 3.2.2.2 | Center of Gravity (CG measured data is tobe provided for the X, Y, and Z axes. | X= +0.28mm (+0.011") Y= -1.34mm (-0.055") Z= +310.2mm (+12.21") Based on LAT Coordinate System Pre-Ship Review |
| 3.2.2.3 | Measurements are to be made referenced to the alignment pins and shall show compliance to the IDD. Measurements are to be provided for ACD with and without blankets. | ACD Instrument Dimensional Survey Report, ACD-RPT-000387 |
| 3.2.2.4 | Stay Clear Zones Measurements are to be performed to demonstrate compliance to the Stay Clear Zones documented in the IDD. |
ACD Instrument Dimensional Survey Report, ACD-RPT-000387 CRs submitted for all non-conforming dimensions. |
| 3.2.2.5 | Outer Layer Performance Performance data or analysis shall be provided for the ACD outer layer. |
MMS Performance Analysis ACD-RPT-000373 |
3.2.3 Electrical Summary Data
| 3.2.3.1 | Power Consumption | 11.34 W, LAT-XR-06636-01 |
| 3.2.3.2 | Start-up Voltage Profile. Start-up voltage profile shall be provided. This profile is to be based on the number of units that are on. | Electrical Inrush Measurements, ACD-RPT-000378 |
3.2.4 Performance Summary
| 3.2.4. | Performance Summary Matrix format is Test vs. Test Phase. Tests shall reference requirement that is being satisfied. Worst-case measured data for each test phase shall be recorded in matrix. Non-conforming performance within the matrix shall be presented annotated and NCR reference shall be provided. | Environmental Performance Summary, ACD-RPT-000374 Open Problem Reports/Problem Failure Reports Discussion at Pre-Ship Review, ACD-RVW-000376 |
3.2.5 Compliance Matrix
| 3.2.5 | Compliance Matrix with requirement and stated conformance/non-conformance with reference to applicable NCR shall be provided. | Level IV Verification Table |
| 3.2.5.1 | Carry-up Data from lower levels if used to demonstrate compliance to Level 3 requirements | On file at GSFC |
| 3.2.5.2 | Performance Analysis if used to demonstrate compliance to Level 3 requirement | Performance Validation and Calibration, ACD-RPT-000372 |
| 3.2.6 | Trend Data | Environmental Performance Summary, ACD-RPT-000374 |
| 3.2.7 | Dynamics Test Report or Summary | ACD PROTOFLIGHT POST-TEST REPORT, ACD-RPT-000363 |
| 3.2.8 | Thermal-Vacuum Test Report or Summary | ACD Thermal Vacuum Test Report, ACD-DATA-000377 |
| 3.2.9 | EMI/EMC Test Report or Summary |
GLAST ACD Electromagnetic Compatibility (EMC) test Report 12/2004, ACD-RPT-000379 GLAST ACD Electromagnetic Compatibility (EMC) Test Report 04/2005, ACD-RPT-000380 GLAST ACD Electronic Chassis CSCM Susceptibility EMC Test Report 06/07/2005, ACD-RPT-000381 |
| 3.3.1 | Telemetry Calibration Curves Calibration curves shall be provided for all telemetry. For telemetry that is affected by temperature, calibration curves shall be provided over temperature. For telemetry that is affected by vacuum, calibration curves shall be provided from vacuum test. Calibration curves based on part# are acceptable for thermistors. |
Thermister Type: p/n 30K YSI 4409 (GSFC # 311P18-09S7R6) Thermister calibration: Steinhart-Hart equation to calculate the temperature (T) in degrees Celcius from a given thermistor resistance, (R): T = -273.15 + [ 1 / (a + b ln(R) + c[ln(R)]^3) ] where R is the thermistor resistance in ohms and, for our YSI 30K ohm flight thermistors: a = 9.27984 x 10-4 b = 2.22117 x 10-4 c = 1.24 x 10-7 PRT type: Rosemont or Goodrich p/n 0118MF2000A PRT calibration: T = (R-2000.)/7.85 Where T = Temperature in degrees C R = Resistance in ohms Fly away Accelerometer calibration: Manufacturer: Endevco Corp.Fly away Thermocouples type: TF/TW-30-TT (type T grade TT) from TE Wire and Cable Fly away Thermocouples calibration: Type T, see http://srdata.nist.gov/its90/main/ |
| 3.3.2 | Science Verification Analysis and Calibration Data Reference calibration data sets are to be provided to SLAC Integration, Test, and Calibration (IT&C) for use in the online and offline software development. This effort will require close coordination between IT&C, Science Analysis Software (SAS), and subsystems. | Performance Validation and Calibration, ACD-RPT-000372 |
3.3.3 Software Version Report
| 3.3.3.1 | Flight Software | Not Applicable |
| 3.3.3.2 | Test Software A report of Test Software Version(s) utilized during the subsystem test program shall be provided. |
Already delivered to CVS Repository at SLAC |
| 3.3.4 | Hardware Installation record | N/A |
| 3.3.5 | Mate/Demate Log, ACD-RPT-000384 | Delivered with ACD |
| 3.3.6 | On-time Log with Operational Hours Operational hours for the fully assembled ACD subsystem shall be provided. The purpose of the log is to determine how many failure free hours have been accumulated on the subsystem prior to delivery. Major hardware changes to flight hardware will invalidate previous failure free hour accumulation |
Power on time during ACD Functional and Performance testing (ACD fully integrated to 7/11/05): 187 hours. All hours were hardware failure free. Power on time during Environmental test flow (7/11/05-8/14/05): 120 hours. All hours were hardware failure free. |
3.4 Quality Assurance Data
| 3.4.1 | Non-conformance Report Summary A list of all subsystem level Non-Conformance Reports (NCRs) shall be provided. All NCRs that remain open at time of delivery shall be provided. All NCRs that were dispositioned with Use-As-Is, or unrepeatable one time occurrence shall be provided. ACD subsystem Problem Reports (PRs) and Problem Failure Reports (PFRs) are acceptable substitutions for NCRs. |
Open Problem Reports/Problem Failure Reports Discussion at Pre-Ship Review, ACD-RVW-000376 |
| 3.4.2 | Traceability Traceability of unit pedigree from build process through integration shall be obtained. This record can be maintained at subsystem site for the duration of the GLAST mission in lieu of delivering with the ATDP. |
data at subsystem level. On file at GSFC |
| 3.4.3 | Photographic Record Digital photographs are to be taken, where feasible, to visually document the as built configuration during the mechanical buildup of the subsystem. This photographic record can be maintained at subsystem site for the duration of the GLAST mission in lieu of delivering with the ATDP. |
data at subsystem level. On file at GSFC |
| 3.4.4 | Inspection Record This record can be maintained at subsystem site for the duration of the GLAST mission in lieu of delivering with the ATDP. |
data at subsystem level. On file at GSFC |
| 3.4.5 | Storage, handling, and shock records This record can be maintained at subsystem site for the duration of the GLAST mission in lieu of delivering with the ATDP. |
ACD Helium Exposure report, ACD-RPT-000382 |
| 3.4.6 | Other material as required | See Below |