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Electronics for LINAC4

Electronics for LINAC4. benjamin.todd@cern.ch. 0v4. Electronics for LINAC4. there are many things which make accurate reporting on LINAC4 and on RegFGC3 impossible. Hugues list – it’s impossible to correlate with complete certainty

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Electronics for LINAC4

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  1. Electronics for LINAC4 benjamin.todd@cern.ch 0v4

  2. Electronics for LINAC4 there are many things which make accurate reporting on LINAC4 and on RegFGC3 impossible Hugues list – it’s impossible to correlate with complete certainty G:\Departments\TE\Groups\EPC\Projects\RegFGC3\meeting\meeting-RegFGC3-2014-02-01\ • Greg and Michele have • reverse engineered the list… • matched the line items to DAIs • discovered that some expected items are not in the pipeline 2) Basic principles – the required electronics per converter is not correct in EDMS https://edms.cern.ch/nav/P:CERN-0000076207:V0/P:CERN-0000076207:V0/TAB3 3) Basic principles – no attention has been paid to tracking who has what and where it is • I know how many parts should be at CERN • I don’t know whether they are functional or faulty • I don’t know who has them

  3. In a nutshell Myselfand Greg wrote a spec for a new framework for production tracking Agreed by David, Michele, Jean-Paul, in progress with EPC/OMS • Until we sort these basics, the only way we can work is “emergency mode”, • I deal with the most urgent thing as and when it arrives • I count on project / converter responsible to keep me straight N.B. we have >100 FGC3 which are available, barcodes and IDs to be validated Most Urgent = SERGE VS State Control VS measurement VS Digital regulation VS Analogue Interlock VS Analogue Interlock Mezzanine x 100 x 40 x 40 x 100 x 100 completed being tested by HPM being tested by CCE stuck stuck

  4. MSC-GE  J-TEQ end May: group decision, proceed with V5, close LINAC4 project production start June: I confirmed the order with MSC-GE, who accepted it July: MSC-GEceased trading August: J-TEQ came into being, charged with continuing MSC-GE’s work No reply to any emails, phone-calls with this new company so far. Greg and I have began contingency to make more of these boards

  5. Analogue Interlock v5 + Mezzanine * the BoM for the mezzanine is incorrect for the converter-specific resistors For the both the main board and for the mezzanine * the ERNI connectors used have a 105 day lead time * No stock at any re-seller We need to urgently make a plan with regards to these two boards…

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