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TY - UNPB AU - Kuntzsch, M. AU - Gümüş, Ç. AU - Hierholzer, M. AU - Pfeiffer, S. AU - Schmidt, Ch. AU - Steinbrück, R. AU - Zenker, K. ED - Michel, Peter ED - Arnold, André ED - Schaa, Volker RW TI - Modular Digital Low Level Radio Frequency Control (LLRF) for CW Operation at ELBE J2 - Proc. of SRF2019, Dresden, Germany, 30 June-05 July 2019 CY - Dresden, Germany T2 - International Conference on RF Superconductivity T3 - 19 LA - english AB - A digital LLRF control has been implemented at the CW linac ELBE at Helmholtz-Zentrum Dresden-Rossendorf. The system is based on the MicroTCA.4 standard and drives four superconducting TESLA cavities and two normal conducting buncher cavities. The system enables a higher flexibility of the field control, improved diagnostics and field stability compared to the analogue system which was used before. The presentation will give an overview on the design specification, detailed system structure, software architecture and latest performance test results. PB - JACoW Publishing CP - Geneva, Switzerland ER -