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TY - CONF AU - Mattison, K.J. AU - Boyes, M. AU - Cyterski, C. AU - Fairley, D. AU - Hovater, C. AU - Kaluzny, J.A. AU - Lam, B. AU - Martinez, A. ED - Schaa, Volker RW ED - Costa, Isidre ED - Fernández, David ED - Matilla, Ãscar TI - LCLS-II Cryomodule and Cryogenic Distribution Control J2 - Proc. of ICALEPCS2017, Barcelona, Spain, 8-13 October 2017 C1 - Barcelona, Spain T2 - International Conference on Accelerator and Large Experimental Control Systems T3 - 16 LA - english AB - LCLS-II is a superconducting upgrade to the existing Linear Coherent Light Source at the SLAC National Accelerator Laboratory. Construction is underway with a planned continuous wave beam rate of up to 1 MHz. Two cryogenic plants provide helium to a distribution system, and 37 cryomodules with superconducting cavities will operate with Liquid helium at 2.2K. The cryomodules and distribution system is controlled with networked PLC's and EPICS as an integrated system that work in concert for controlling valves, pressure, flow, and temperature. Interlocks and critical process information is communicated with the Low Level Radio Frequency, vacuum, and magnet systems. Engaging the controls community proved vital in advancing the controls architecture from a conventional design to a centralized, reliable, and cost-effective distributed platform. PB - JACoW CP - Geneva, Switzerland SP - 1729 EP - 1731 KW - ion KW - controls KW - PLC KW - cryomodule KW - cryogenics DA - 2018/01 PY - 2018 SN - 978-3-95450-193-9 DO - 10.18429/JACoW-ICALEPCS2017-THPHA146 UR - http://jacow.org/icalepcs2017/papers/thpha146.pdf ER -