MP EM Ass 15: Forces and Torques on Currents
PROFIBUS controller problem (SEU) on cryo valve on DFBMH (600 A circuit RQ6.L7B1/2). Loss of cryo maintain ==> Beam dump. End of fill #1975 after ~2.5.
Until Sat 3:30: Stable beams. Stopped by collimator temperature interlock. Sat 7:00 – Sun 8:30: Cryo stop IR4 and recovery. PLC problem due to SEU.
Summary of Week 30 G. Arduini, J. Wenninger Main aims: “Adiabatically” increase peak luminosity by emittance reduction Luminosity production.
Summary of Week 30 G. Arduini, J. Wenninger Main aims:
Sat/Sun 17/18 Sep 2011
