GLAST LAT Project November 18, 2004 I&T Two Tower IRR 1 GLAST Large Area Telescope: I&T Integration Readiness Review Integration, Facility, Configuration and Test (IFCT) Nov 18, 2004 Electrical Test Brian Horwitz IFCT Electrical Engineer SLAC Gamma-ray Large Area Space Telescope

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 2 EGSE TEST REQUIREMENTS: MD Configuration of EGSE shall be controlled via released documentation EGSE shall be acceptance tested EGSE shall be validated before use if it has been moved, reconfigured, or repaired –Validation shows that equipment is both ready for use and safe to use High degree of confidence that equipment in that configuration has full operating capabilities –NASA guidance Perform an EICIT and an SVT to ensure electrical safety Trip points on circuit breakers, current limits in power supplies, shall be verified While everything is validated, the scope of validation is tailored for each piece equipment type

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 3 EGSE REQUIREMENTS / RESPONSIBILITIES

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 4 STATUS OF EGSE– COTS Digital Multimeters (I&T responsible for these) –Calibrated Instrument –Validation Tests Embedded within test procedure that calls them –STATUS: Meter purchased exceed maximum voltage for parts in some equipment, so we are re-procuring Borrowing “Safe” DMM’s in the meantime Hand Tools –Procured, cleaned, and placed in toolbox within cleanroom ATE for Safe to Mate –All parts received - calibrated –Interconnection harness designed –in assembly –Rack tray’s sent out for machining – affected by safety stand down at SLAC

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 5 SCOPE OF EGSE TESTS – BOB’s ETC. Cables and break out boxes (I&T is responsible for these) –Design documentation complete and released –Acceptance Tests include Configuration inspection to assembly drawing Interface integrity and cleanliness, inspection Electrical continuity & isolation tests per LAT-TD Labeling with test due date, operator, QA –Validation Tests include Verify Acceptance Testing has been performed and is not due for re-test Configuration inspection Interface integrity and cleanliness, inspection Electrical continuity tests, manual –Enter into validation log kept in cleanroom Connector Savers –Tests: Interface integrity and cleanliness, inspection

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 6 STATUS OF BOB’s ETC All BOB’s designed, built, and tested –Inspection remains to be completed Associated cables designed, built to shortage, and tested –The backshells for the 100 pin cables were back ordered and just arrived. Estimate assembly complete 12/1 –Inspection remains to be completed Long versions of the Two Tower test cables for EGSE interconnections are awaiting the floor layout to determine lengths. Design, build, and test complete 12/31. Acceptance and Validation Test Procedures in sign off cycle

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 7 STATUS OF CONNECTOR SAVERS Determining connector saver needs –Coordinating with subsystems All ELX boxes arrive with connector savers on each connector CAL delivers mated to an EM TEM, so they are not needed TKR towers arrive with connector savers that will be turned over to I&T –Determining who buys connector savers for the flight cables – submitted lien to program office to fund procurement –Complete determination by 11/24

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 8 SCOPE OF EGSE TESTS - PDU EM PDU –Acceptance Tests include Configuration inspection to LAT-DS Interface integrity and cleanliness, inspection EICIT and SVT tests Functional Tests in accordance with LAT-TD Labeling with test due date, operator, QA –Validation Tests include Verify Acceptance Testing has been performed and is not due for re-test Configuration inspection Interface integrity and cleanliness, inspection Electrical STM tests –Fill out paperwork and enter into validation log kept in cleanroom Further validation tests performed within the test stand using load box

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 9 SCOPE OF EGSE TESTS – PDU LOAD EM PDU LOAD BOX –Acceptance Tests include Configuration inspection to LAT-DS Interface integrity and cleanliness, inspection EICIT and SVT tests Functional Tests in accordance with LAT-TD Labeling with test due date, operator, QA –Validation Tests include Verify Acceptance Testing has been performed and is not due for re-test Configuration inspection Interface integrity and cleanliness, inspection Electrical STM tests –Fill out paperwork and enter into validation log kept in cleanroom Further validation tests performed within the test stand

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 10 STATUS OF PDU & LOAD BOX Documentation –PDU Assy, LAT-DS-01696, released –PDU Test Procedure, LAT-TD , released –PDU Load Box Assy, LAT-DS-03400, released –PDU Load Test Procedure, LAT-TD , released –EICIT Procedure, PDU, LAT-TD-04332, released –SVT Procedure, PDU, LAT-TD-04332, in work (12/1) Delivered to I&T Inspection, acceptance test, validation pending development of flight documentation

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 11 SCOPE OF EGSE TESTS - GASU EM GASU –Acceptance Tests include Configuration inspection to LAT-DS Interface integrity and cleanliness, inspection EICIT and SVT tests Functional Tests in accordance with LAT-TD Labeling with test due date, operator, QA –Validation Tests include Verify Acceptance Testing has been performed and is not due for re-test Configuration inspection Interface integrity and cleanliness, inspection Electrical STM tests –Fill out paperwork and enter into validation log kept in cleanroom Further validation tests performed within the test stand

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 12 STATUS OF GASU Documentation –GASU Assy, LAT-DS , released –GASU/Test Stand Test Procedure, LAT-TD , released –EICIT Procedure, GASU, LAT-TD-04260, released –SVT Procedure, GASU, LAT-TD-04382, in work (12/1) Delivered to I&T Inspection, acceptance test, validation pending development of flight documentation

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 13 SCOPE OF EGSE TESTS – TEM/TPS EM TEM/TPS –Acceptance Tests include Configuration inspection to LAT-DS Interface integrity and cleanliness, inspection EICIT and SVT tests Functional Tests in accordance with LAT-TD Labeling with test due date, operator, QA –Validation Tests include Verify Acceptance Testing has been performed and is not due for re-test Configuration inspection Interface integrity and cleanliness, inspection Electrical STM tests –Fill out paperwork and enter into validation log kept in cleanroom Further validation tests performed within the test stand

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 14 STATUS OF TEM/TPS Documentation –TEM/TPS Assy, LAT-DS-01643, released –TEM/TPS Test Procedure, LAT-TD , released –EICIT Procedure, TEM, LAT-TD , released –SVT Procedure, TEM, LAT-TD , released –EICIT Procedure, TPS, LAT-TD , released –SVT Procedure, TPS, LAT-TD , released Two delivered to I&T Inspection, acceptance test, validation pending development of flight documentation

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 15 SCOPE OF EGSE TESTS – BUS PROTECTOR –Acceptance Tests include Configuration inspection to LAT-DS- Interface integrity and cleanliness, inspection EICIT and SVT tests Functional Tests in accordance with LAT-TD- Labeling with test due date, operator, QA –Validation Tests include Verify Acceptance Testing has been performed and is not due for re-test Configuration inspection Interface integrity and cleanliness, inspection Electrical STM tests –Fill out paperwork and enter into validation log kept in cleanroom Validation tests performed in accordance with LAT-TD-

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 16 STATUS OF BUS PROTECTOR Requirements identified in EGSE Plan Design assigned within ELX Documentation needs be created Awaiting schedule

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 17 TEM TEST STAND - CAL AND TKR TESTS Acceptance Tests include –Configuration inspection LAT-DS CAL LAT-DS TKR –Interface integrity and cleanliness, inspection –EICIT and SVT tests –Functional Tests in accordance with LAT-TD –Labeling with test due date, operator, QA Validation Tests include –Verify Acceptance Testing has been performed and is not due for re-test –Configuration inspection –Interface integrity and cleanliness, inspection –Electrical STM tests Fill out paperwork and enter into validation log kept in cleanroom –Perform tests described in LAT-TD , Para , Basic Test

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 18 STATUS OF TEM TEST STAND Documentation –CAL Test Stand set up procedure, LAT-DS-02861, released –TKR Test Stand set up procedure, LAT-DS-03605, released –TEM/TPS Test Procedure, LAT-TD , released –EICIT Procedure, TEM, LAT-TD , released –SVT Procedure, TEM, LAT-TD , released –EICIT Procedure, TPS, LAT-TD , released –SVT Procedure, TPS, LAT-TD , released Two delivered to I&T Inspection, acceptance test, validation pending development of flight documentation

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 19 GASU TEST STAND – TESTS IN 1X1 Acceptance Tests include –Configuration inspection LAT-TD –Interface integrity and cleanliness, inspection –EICIT and SVT tests –Functional Tests in accordance with LAT-TD –Labeling with test due date, operator, QA Validation Tests include –Verify Acceptance Testing has been performed and is not due for re-test –Configuration inspection –Interface integrity and cleanliness, inspection –Electrical STM tests Fill out paperwork and enter into validation log kept in cleanroom –Perform tests described in LAT-TD , Para , Basic Test

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 20 STATUS OF GASU TEST STAND Documentation –Assembly and test procedure, LAT-TD , released –Validation test, run LAT-TD , released –EICIT Procedure, GASU, LAT-TD-04260, released –SVT Procedure, GASU, LAT-TD-04382, in work (12/1) Delivered to I&T Inspection, acceptance test, validation pending development of flight documentation

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 21 GASU/PDU TEST STAND – TWO TOWER Acceptance Tests include –Configuration inspection LAT-TD –Interface integrity and cleanliness, inspection –EICIT and SVT tests –Functional Tests in accordance with LAT-TD –Labeling with test due date, operator, QA Validation Tests include –Verify Acceptance Testing has been performed and is not due for re-test –Configuration inspection –Interface integrity and cleanliness, inspection –Electrical STM tests Fill out paperwork and enter into validation log kept in cleanroom –Perform tests described in LAT-TD , Para , PDU-GASU Interface and electrical load tests LAT-TD , Para , Basic Test

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 22 STATUS OF GASU/PDU TEST STAND Documentation –Assembly and test procedure, LAT-TD , released –PDU Validation LAT-TD-02544, released –Validation test, run LAT-TD , released –EICIT Procedure, PDU, LAT-TD-04332, released –SVT Procedure, PDU, LAT-TD-04332, in work (12/1) –EICIT Procedure, GASU, LAT-TD-04260, released –SVT Procedure, GASU, LAT-TD-04382, in work (12/1) Delivered to I&T Inspection, acceptance test, validation pending development of flight documentation

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 23 TEST PROCEDURE STATUS Test procedures are being written prior to completion of test plan - risk CAL Test Procedure –Draft complete and in review –Draft must be updated with new input from CAL subsystem (received after procedure completed) –Complete one week after CAL final update TKR Test Procedure –Draft was complete and in review three weeks ago –Draft was updated with new input from TKR subsystem (received after procedure completed) –Complete one week after TKR final update

GLAST LAT Project November 18, 2004 I&T Two Tower IRR 24 TEST PROCEDURE STATUS (cont) Single Tower Test –Draft in review in I&T –Affected by change to subordinate documents References to be updated and test descriptions re- written –Complete 12/15 Two Tower Test –Draft begun –Complete 12/31 VG and CR Data Runs for LAT Integration