MT rf 8 0 0 k W 8 0 0 k W connection to PETRA-III controlsystem The „ELWIS“-concept of MHF-e for PETRA-III 2 klystrons transmitte r high voltage power supply 6 cavities additional modulator power supply rf-regulation distribution vacuum 75kV/36A 75kV/36A Stefan Wilke, MHF-e, 2007-09-26 to 2. transmitter
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MT rf 800 kW connection to PETRA-III controlsystem The ELWIS-concept of MHF-e for PETRA-III 2 klystrons transmitter high voltage power supply 6 cavities.
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kit: kit: PXI crate (19‘‘), PXI crate (19‘‘), controller (PC), controller (PC), FPGA (digital and analog in-/outputs),FPGA (digital and analog in-/outputs),fastADC (10MHz) incl. transientrecorder fastADC (10MHz) incl. transientrecorder (800ms),(800ms),trigger- and sync.-distribution,trigger- and sync.-distribution,signal preparation (Phoenix), signal preparation (Phoenix), uninterrupted power supplyuninterrupted power supply
Stefan Wilke, MHF-e, 2007-09-26Stefan Wilke, MHF-e, 2007-09-26
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implementation I• 28 ELWIS-moduls (PXI crates, 19 inch)• Microsoft Windows XP • LabVIEW (LV) 8.0 from National Instruments (NI)• programming of NI-FPGA-cards in LabVIEW
(no VHDL-knowledge necessary!)• communication in TINE (ethernet)• each ELWIS module differ only in software
(modularity, CF)• radiationtest in DORIS (one FPGA fault at 45 Gy)• control of steppermotors (tuner in cavity)
implemented in FPGA code written by us• the 8 channels of fast ADC (10MHz I/Q) includes
• LV is a simple grafic software running in data flow model, at DESY in many groups often used. Without spezial knowledge we reach in teams of many colleagues (no computer scientist, but technician and engineers) pragmatic results.
• Very good TINE support at DESY.Many TINE-VIs ready for LabVIEW.
• number of signals:• security: paranoid – naive. isolated net.
authorization of active switching will manageTINE• stability:
example: since 2007-03-21 in DORIS-tunnelhttp://mhfexpelwis03.desy.de/Dosimentor.html