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<== Date ==> <== Thread ==>

Subject: IOC to A-B Communication through Ethernet
From: "Paul M. Morris" <P.M.Morris@larc.nasa.gov>
To: tech-talk@aps.anl.gov
Date: Wed, 23 Jul 2003 13:27:23 -0400
We are looking to upgrade one of our IOCs. We want to select something "mainstream," that uses common hardware and proven/working drivers! [We don't want to re-invent the wheel -- we want to roll!] For the record, we're using EPICS 3.14.2 and currently have VXI chassis running Kinetics cards.

For this new unit, we are leaning toward a VME chassis with a Power PC processor. [TJNAF's Matthew Bickley speaks highly of their Motorola MVME2700s with VMIC I/O cards.]

So....the missing link is a way to speak to our A-B PLCs. We [believe we] want to communicate over Ethernet between the IOC and A-B PLC.


1) Does anyone have similar systems running in this configuration? [I was told SNS did this, but am not certain.]
--Could you recommend hardware?
--Would you share available drivers?



2) Any recommendations or comments regarding our tentative choice of VME hardware?
--Power PCs in general and the MVME2700 in particular?
--other vendor recommendations for I/O cards?


Since this first unit is likely the first step toward a migration path for our other IOCs, we'd like to start off on the right foot!
Thanks.


Paul M. Morris
p.m.morris@larc.nasa.gov




Replies:
Re: IOC to A-B Communication through Ethernet Kay-Uwe Kasemir

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