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Linac /400 MeV BPM System Status Nathan Eddy PIP Meeting 8/8/12. Production Board Status (6/6/12). Received first fully stuffed production board before shutdown for checkout Found error in PCB Require remaking 80 PCBs Delay Assembly $5k additional cost $10k additional cost due to parts
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Production Board Status (6/6/12) • Received first fully stuffed production board before shutdown for checkout • Found error in PCB • Require remaking 80 PCBs • Delay Assembly • $5k additional cost • $10k additional cost due to parts • 10 Additional boards + Prototypes • New PCBs in production • Assembled boards ~1 month
Production Board Status • PCB manufacturer had issues with first run, boards failed testing • Lost their production line manager • They had to re-run the boards – 6 week delay • PCB boards are now complete & tested and were all delivered to the assembly house • Expect first golden sample from assembly house by next week
Production Board Status Cont’d • Plan thorough checkout of the golden sample before releasing • Will include installing in LE Linac • Once released assembly of all boards will be complete in 4 weeks • Expect all boards delivered by mid September • Boards will be bench tested then can be installed • Will start with LE Linac • If feasible, all boards could be beam tested in LE Linac before installation elsewhere
LE Linac Beam Tests • Work underway to instrument bpms (2H, 2V) from tank 3 with new electronics • Electronics installed last week (prototype) • ACNET device conversion underway • Will install golden sample when available • Expand to include all LE bpms which see beam during NTF running
Software Status • Provide average Position, Intensity, & Relative Phase over each beam pulse for every BPM @15Hz – in ACNET via linac controls • Have an OAC to perform setup and control • Read/Write all control registers • Synchronized waveform readback • Position, Intensity, Phase @3MHz • Calibration control • Basic functionality tested
400 MeV Line Software • Current 400 MeV Line bpms use different electronics, readout, and application software • Had several meetings to discuss options • Plan is to extend Linac Controls readout to these bpms • Existing front-end vme processors will be used • Readout structure will be tweaked to support existing 400 MeV BPM applications
Plan • Complete conversion of LE Linacbpms to new system • Network connections done • Need to provide 805MHz • Replace these boards with Production boards once available • Will replace the rest of the crates as Production boards become available • Driven by board checkout • May rotate them through LE section for beam checkout • Expect all new boards installed early next year