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Stato elettronica UG controllo TRD

Stato elettronica UG controllo TRD. 26 Marzo 2008 A.Bartoloni, B.Borgia, F.Spada. UG-electronics in the TRD Gas System. QM design. Design of control electronics from EM to QM updated after test session in August 2004

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Stato elettronica UG controllo TRD

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  1. Stato elettronica UG controllo TRD 26 Marzo 2008 A.Bartoloni, B.Borgia, F.Spada B.Borgia 26/3/2008

  2. UG-electronics in the TRD Gas System B.Borgia 26/3/2008

  3. QM design • Design of control electronics from EM to QM updated after test session in August 2004 • Contract issued to G&A Engineering for construction and qualification of QM and FM UG electronics  February 2005 • Radiation test of few components performed at Karlsruhe, under the supervision of Andrei Kounine, May 2005 • Further modifications were introduced because of gas circuit changes, e.g. 24V to 30V B.Borgia 26/3/2008

  4. Change power supply: 24V30V (supply for Kulite, Marotta valves, pumps, heaters) Pumps power supply: 12V directly from DC-DC converter, 24V with step-down circuit 30V24V. Heaters x CO2, Xe vessels: on/off switches identical to Marotta valves switches Added Kulite gauges Dallas T sensors replacing GP-50 T: + n. 2 dedicated links to USCM EM  QM No basic circuit was modified, i.e. ADC, switches, serial link QM FUNCTIONALITY TEST: JULY 2006 B.Borgia 26/3/2008

  5. Componenti • TIM January 2007: Siedenburgpresentò una lista di circa 15 componenti che secondo lui non erano approvati dalla collaborazione. • Di fatto un solo componente fu riconosciuto non accettabile. • Questo episodio ha scatenato una messa in mora, assolutamente non giustificata, della progettazione di Roma dell’elettronica UG. • E’ stata imposta una stretta supervisione di Aachen che ha richiesto l’approvazione formale di ogni passo nella progettazione e realizzazione della versione QM2. • In pratica la supervisione ha evitato due errori di layout ma ha ritardato notevolemente la realizzazione del QM2. B.Borgia 26/3/2008

  6. QM to QM2…….. • Following the change of linear regulators TPS73xx, of power distribution scheme and several changes required by safest operations (short circuits on cables or components), • we had to design new QM UGxx boards with following major modifications • replace the TPSxxxx regulators with SEL free LP2989 (UGBS, UGBC, UGFV) • put limiting resistor on Kulites and GP50 power supply lines (UGBS, UGBC) • separate 12V power supply for UGPS and flipper valve (UGFV) • introduce LP2953 regulator to generate 24V for pumps high speed (UGBP) • introduce LP2953 regulator to generate 21V for analog mux (UGBP) • eliminate 3.3V DC-DC converter; generate 3.3V from 5V on backplane • introduce Solid State Fuses (SSF) for short circuit protection on 5V, on each module • introduce pull-down resistors on Mosfet gates • introduce differential amplifier on Kulite inputs • eliminate UHVG (redesign of backplane) • eliminate 2 UGFV and reduce 8 multiple channels to 4 (redesign of pcb) B.Borgia 26/3/2008

  7. EPPCAN BUS POWER SUPPLIES A POWER SUPPLIES B ADC/DAC NATIONAL INSTRUMENT UG-electronics test set-up TV CHAMBER UG CRATE GAS SYSTEM SIMULATOR TEST STATION 29V 12V 5V B.Borgia 26/3/2008

  8. Test set up B.Borgia 26/3/2008

  9. B.Borgia 26/3/2008

  10. Vibration test B.Borgia 26/3/2008

  11. TVT B.Borgia 26/3/2008

  12. Qualification test command list Configuration file Time needed to perform all commands: 15 minutes B.Borgia 26/3/2008

  13. Stato UG • UGPS FM installati • UG-QM1 utilizzata sistematicamente per i test del TRD • Software UG usato per QM1 e per i test funzionali del QM2 • UG- QM2 test funzionali OK • Qualifica ESS e TVT del UG-QM2 inziata al SERMS il 13 Febbraio e terminata il 29 Febbraio con successo • 4 Marzo: UG-QM2al CERN per test funzionali con circuito di gas • 12 Marzo: UG-QM2 a Roma in attesa del UGPD B.Borgia 26/3/2008

  14. UG-QM2 • 14 Marzo: UGPD-QM arrivato a Roma • 18 Marzo: test funzionale UG-QM2+UGPD-QM ok • 25 Marzo: iniziotest EMC UG-QM2+UGPD-QM B.Borgia 26/3/2008

  15. UG-electronics schedule / QM2 • 21/01/08 QM2 boards ready • functional tests • 11/02/08 13/02 ready to start qualification tests (SERMS) • 29/02/08 29/02 end of qualification tests (no EMC) • 05/03 ready to start tests at CERN • 14/03/08 07/03 end of tests at CERN • 25/03/08 start EMC test • 27/03/08 end EMC test • Go ahead FM 2 weeks delay B.Borgia 26/3/2008

  16. UG-electronics schedule / FM • 04/04/08 FM boards delivered by G&A • Start acceptance tests @ SERMS • 21/04/08 end of FM boards acceptance tests • + 2 settimane di ritardo B.Borgia 26/3/2008

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