Re: Data transfer for real time analysis
From: Anton Erasmus (junk_at_junk.net)
Date: 04/28/04
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Date: Wed, 28 Apr 2004 21:07:23 +0200
On Mon, 26 Apr 2004 00:07:11 +0200, "Pini" <pinit@ee.bgu.ac.il> wrote:
>hi,
>
>We are planning a data acquisition system with 4-12 sub units. Each sub unit
>produce data of 25MBit/sec. The distance between the boxes and computer is
>about 2 meters.
>I'm willing to transfer and analyze the data in real-time. I'm willing to
>close a control loop in 1-5msec (I. wish 100usec ......).
>What is the recommended serial protocol?
>The sub units will be in-house made the host computer for data analysis and
>storage will be a PC (probably with raid HD).
>What communication HW should I use in my sub units?
>What communication HW should I use in the PC?
>
What about using IEEE 1394 ? Many of the latest PC MBs have at least 2
IEEE 1394 ports. AFAICR IEEE1394 is 400MBit/sec, hence even one port
may be enough.
Regards
Anton Erasmus
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