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TY - CONF AU - ElKamchi, N. AU - Gauron, P. AU - Monard, H. ED - Corvetti, Lou ED - Riches, Kathleen ED - Schaa, Volker RW TI - Interlock System for Machine Protection at ThomX Accelerator J2 - Proc. of ICALEPCS2015, Melbourne, Australia, 17-23 October 2015 C1 - Melbourne, Australia T2 - International Conference on Accelerator and Large Experimental Physics Control Systems T3 - 15 LA - english AB - ThomX is a Compton based photons source. It aims to produce a compact and directional X-rays source, with high performance, high brightness and adjustable energy*. The principal application fields are medical sciences, social technology and industry. An interlock system has been implemented for machine protection, especially to protect sensitive and essential equipment (magnets, vacuum system, etc.) during machine operation. ThomX interlock system is based on Programmable Logic Controller (PLC-Siemens S7-1500), it collects default signals from the different equipment of the machine, up to the central PLC which kills the beam, by stopping the RF or the injection, in case of problem (bad vacuum, magnets overheating, etc.). The interlock system consists of two levels. The first one is a local process, whose role is to monitor the variations of different parameters of the machine equipment, and generates a default signal in case of operation problem. The second level is the central PLC, which gathers and process all the default signals from subsystems, and stops the RF power in a very short time. Actually, the interlock system is under test, it will allow accelerator to work safely. PB - JACoW CP - Geneva, Switzerland SP - 386 EP - 388 KW - vacuum KW - PLC KW - dipole KW - operation KW - controls DA - 2015/12 PY - 2015 SN - 978-3-95450-148-9 DO - 10.18429/JACoW-ICALEPCS2015-MOPGF131 UR - http://jacow.org/icalepcs2015/papers/mopgf131.pdf ER -