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

Subject: Re: EPICS interface to APS Conventional Facilities
From: Matthias Clausen <Matthias.Clausen@desy.de>
To: "Ernest L. Williams Jr." <ernesto@ornl.gov>
Cc: EPICS tech-talk <tech-talk@aps.anl.gov>
Date: Tue, 11 Jul 2006 21:51:10 +0200
Ernest L. Williams Jr. wrote:
Hi Ned,

How is it going?

How have some interfaced their accelerator conventional facilities to
EPICS? In particular HVAC (Heating, Ventilation, and Air Conditioning) systems.
In Germany we are interfacing our utility Systems mainly to Siemens-based protocols like Profibus or Siemens TCP, or Modbus or ...
There are industry standards for Building Automation Systems such as,
BACnet.
BACnet is THE future bus for utility installations. It will be the basis for several utility installation in the next project at DESY (PETRA-III upgrade).
We are looking into the solution from Triumph and other possibilities.
I am in favor of a dynamic matching of BACnet devices with EPICS records. BACnet devices have nearly the same properties like EPICS record fields. An IOC dynamically serving these devices would avoid to generate an EPICS database matching BACnet device properties to individual EPICS records. Mapping device/ property to record/field would be much more efficient...


On our side you should also contact Olaf Krebs (Olaf.Krebs@desy.de) - currently in vacation.

-Matthias
Did someone interface to something like "BACnet" or "LON Works"  (i.e.
an industry standard for "building automation and controls network")?

Our HVAC system is supplied by TRANE (http://www.trane.com/
Does anyone else use TRANE?


Thanks, Ernest L. Williams Jr. SNS Control Systems Group ORNL



--
------------------------------------------------------------------------
Matthias Clausen                         Cryogenic Controls Group(MKS-2)
phone:  +49-40-8998-3256                Deutsches Elektronen Synchrotron
fax:    +49-40-8994-3256                                    Notkestr. 85
e-mail: Matthias.Clausen@desy.de                           22607 Hamburg
WWW-MKS2.desy.de                                                 Germany
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References:
EPICS interface to APS Conventional Facilities Ernest L. Williams Jr.

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