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TY - CONF AU - Viti, M. AU - Czwalinna, M.K. AU - Dinter, H. AU - Gerth, C. AU - Przygoda, K.P. AU - Rybaniec, R. AU - Schlarb, H. ED - Schaa, Volker RW TI - The Bunch Arrival Time Monitor at FLASH and European XFEL 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 - In modern free electron laser facilities like FLASH I/II and European XFEL at DESY a high resolution intra bunch train arrival time measurement is mandatory, providing a crucial information for the beam based feedback system. For this purpose a Bunch Arrival Time Monitor (BAM) was developed, based on an electro-optical scheme where an ultra-short pulsed laser is employed. A BAM is composed of several subsystems, including stepper motors, power management, dedicated readout board, management board for voltage settings, temperature sensors and temperature controller and optical amplifier. Part of the electronics is developed using the MicroTCA standard. We will present in this poster the basic requirements for the BAM, software design and implementation developed to manage the subsystems and their interactions. PB - JACoW CP - Geneva, Switzerland SP - 701 EP - 705 KW - ion KW - laser KW - controls KW - electron KW - FEL DA - 2018/01 PY - 2018 SN - 978-3-95450-193-9 DO - 10.18429/JACoW-ICALEPCS2017-TUPHA125 UR - http://jacow.org/icalepcs2017/papers/tupha125.pdf ER -