Machine Protection TTF Martin Staack DESY MVP TTF2 Review Meeting at Salzau, 20.-22. January 2003.

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Presentation transcript:

Machine Protection TTF Martin Staack DESY MVP TTF2 Review Meeting at Salzau, January 2003

Martin Staack, DESY MVP22. January What is the purpose? The Machine Protection System... switches off the beam in case of subsystem failure protects the accelerator from damage minimizes activation by beam losses manages beam permissions displays information about machine status collects information about subsystem failures

Martin Staack, DESY MVP22. January Main Components of the MPS Collimators passive machine protection PLC „Beam Interlock System“ (BIS) processing slow Interlock signals (ms)processing slow Interlock signals (ms) manage Operation Modes and Beam Modesmanage Operation Modes and Beam Modes processes status information for the control systemprocesses status information for the control system Beam Interlock Concentrator (BIC) processing fast Interlock signals (2-3 µs)processing fast Interlock signals (2-3 µs) Photomultipliers, Toroid system fast Beam Loss detection

Martin Staack, DESY MVP22. January TTF Operation Modes...are determined by Machine settings

Martin Staack, DESY MVP22. January TTF Beam Modes Beam TTF... Long Pulse Train (800µs) Short Pulses (10 bunches) Single Bunch No beam...are determined by Operation Mode Collimator and Screen positions Beam losses Operator wishes

Martin Staack, DESY MVP22. January Signal flow in the MPS

Martin Staack, DESY MVP22. January Overview over the MPS

Martin Staack, DESY MVP22. January Laserinterlock Laserinterlock (Siemens PLC) protects the Laser from damage in case of subsystem failureprotects the Laser from damage in case of subsystem failure provides information about system statusprovides information about system status processes status information for the control systemprocesses status information for the control system independent system for the backup laserindependent system for the backup laser

Martin Staack, DESY MVP22. January The end