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RADWG 7 th 25 th August 2011

RADWG 7 th 25 th August 2011. G. Spiezia (EN/STI/ECE). R2E review. A summary will be presented for PSI, CNRAD and H4IRRAD The input of the user is required (CNRAD and H4IRRAD)!. PSI. Agreement is ready and approved. Last burocratic steps missing (signatures and copies)

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RADWG 7 th 25 th August 2011

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  1. RADWG 7th25th August 2011 G. Spiezia (EN/STI/ECE)

  2. R2E review • A summary will be presented for PSI, CNRAD and H4IRRAD • The input of the user is required (CNRAD and H4IRRAD)!

  3. PSI • Agreement is ready and approved. Last burocratic steps missing (signatures and copies) • PSI test– 2-5 September 2011 • Main focus on Opto-couplers and comparators • Tight schedule. Some test can be reported to October • CTR investigation (opto) • Time response (opto) • SET (opto) • SET with dV/dt (opto) • SET on comparators • Next test on Mosfet. Test preparation to be done

  4. CNRAD • CNRAD 31st August • PLC from EN/ICE: • PLC unit and power supply under test to investigate the failure mode • Remote reset of the hardware • Remote reboot of the PLC • Last connections to be verified • BLM: new test • QPS: cont • Power converter: • Postponed • LED: • Moving to higher fluence

  5. Events in the tunnel • Doubtful cases: some will remain but many can be clarified • List sorted by equipment and effective date • More information are on the radwg website

  6. Not SEU related @R. Nunes Indications for SEU-related M. Zerlauth prefers to confirm after relocation It will remain to be confirmed. Remain to be confirmed. Rad test to do Reset no effect. Remain to be confirmed. Few statistics Under investigation. Possible rad test @ EN/EL

  7. Test in the lab. Unlikely to be an SEU. @Q. King (FGC: Under investigation? Voltage source: known failure @ Last info we have ... (Already happened without beam (2 cases with beam) @ Last info we have ... Seu on the filter but channel masked by the software. @Q. King Old event ... To be followed by TE/Epc @ last info Old event ... To be followed by TE/Epc @ last info It will remain to be confirmed. A list will be provided @ Knud Problem on RCBXH1.R1. Exact location not known @ LHC logbook All 60 A converters are down @ LHC logbook A list will be provided @ Knud

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