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February 17-18, 2010 R&D ERL Z EYNEP A LTINBAS R&D ERL M ACHINE P ROTECTION S YSTEM Z EYNEP A LTINBAS February 17-18, 2010 M ACHINE P ROTECTION S YSTEM
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February 17-18, 2010 R&D ERL Z EYNEP A LTINBAS S YSTEM O VERVIEW The Machine Protection System (MPS) prevents damage to hardware by generating interlocks: –Primarily protects the 50 kW and 1MW RF Systems as well as the 5-cell cavity –Upon fault, an interlock is generated in less than 5 µs –Fail-safe input states –Faults are latched and time-stamped 2
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February 17-18, 2010 R&D ERL Z EYNEP A LTINBAS S YSTEM O VERVIEW OF E XISTING E LEMENTS 3 E THERNET S HUT - DOWN IS PERFORMED BY C RITICAL S UB -S YSTEMS
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February 17-18, 2010 R&D ERL Z EYNEP A LTINBAS S YSTEM C OMPONENTS Hardware –8-slot chassis with an integrated RT processor (VxWorks OS) –2M-gate Xilinx FPGA –256MB non-volatile memory –Hot-swappable I/O modules with response times as fast as 100ns CompactRIO chassis: I/O Module: 4 11.41″ 3.44″ 3.50″ 2.75″
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February 17-18, 2010 R&D ERL Z EYNEP A LTINBAS S YSTEM C OMPONENTS CompactRIO Architecture 5
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February 17-18, 2010 R&D ERL Z EYNEP A LTINBAS S YSTEM C OMPONENTS Software –Graphic based language: LabView (LV) –CompactRIO requires LV 8.5 or higher & LV RT and FPGA software modules –How the architecture works: 6 Properties of MPS Software: –High level input = Fault –All faults are latched –Time of fault is recorded using a 32-bit tick counter (µs time-stamp) –Faults are cleared only via a software (user) reset –Inputs can be masked –Communicates with the ERL main server
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February 17-18, 2010 R&D ERL Z EYNEP A LTINBAS E XISTING S YSTEM MPS for Cold Emission Test (CET) –3 I/O modules (TTL, 24V and Relay) –9 Sub-system inputs, 5 outputs –MPS interface on C-AD Controls page –Critical sub-system status is displayed –System response time = ~3-4 µs –All operating features are tested successfully 7
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February 17-18, 2010 R&D ERL Z EYNEP A LTINBAS S UMMARY Protects the 50 kW & 1 MW RF Systems and the 5-cell cavity Uses a commercial development platform produced by National Instruments Can run as a stand-alone unit (no network connection is necessary to run) Provides expandability Response time on a microsecond scale (~ 3-4 µs) 8
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