Experimental Physics and
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Aloha, I'm looking for your recommendations on the latest data acquisition hardware, compatible with EPICS. Our Secondary Mirror system at Gemini has a 1 meter diameter, 55 kg mass. There's 3 degrees of freedom and a 5 kHz control loop. The system was designed in the 90's by Lockheed Martin, based on a DOS PC with an ISA backplane (PICMG 1.0) and a DSP data acquisition board with 16 bit ADC's and DAC's. The DOS PC interfaces with an EPICS IOC via Reflected Memory. In 2010 I did a conceptual redesign based on a Hytec Blade 9010 using IP cards and an Intel CPU running RTEMS. Today it seems FPGA's are a popular choice for data acquisition. Perhaps a Xylinx zynq solution? Would anyone still consider VME? I have no requirement for 5 kHz EPICS control. Although that's intriguing. Thanks for your time. -Matt
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ANJ, 21 Dec 2017 |
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