Re: [foxboro] Was: Open loop alarm, now CP60 Fieldbus musings

This thread is very interesting.
We just completed a new installation using all fiber and I have experience
some of the same problems, but they have all been related to the
intelligent transmitter 200 Series FBMs. It has all ways come down to
different single "child" points. If I go off-line and then back on-line
with the child ECB the problem goes away and does not return on that point.
I have not had any bus failures that were related to anything other than a
single Intelligent FBM.

Troy L. Brazell
Duke Energy Field Services
Sr. Process Control Analyst
ISA CCST
Phone (405) 263 4130
Cell    (405) 301 2994
Okarche Plant
Route 3 Box 95
Okarche, OK. 73762
*****************************
MS Windoze the cure for Insomnia
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             stan                                                          
             <stanb@xxxxxxxxx>                                             
             Sent by:                                                   To 
             foxboro-bounce@fr         Corey R Clingo                      
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                                       foxboro@xxxxxxxxxxxxx               
             11/30/2005 11:10                                      Subject 
             AM                        Re: [foxboro] Was: Open loop alarm, 
                                       now CP60 fieldbus musings           
                                                                           
             Please respond to                                             
             foxboro@freelists                                             
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On Wed, Nov 30, 2005 at 10:25:28AM -0500, Corey R Clingo wrote:
> Yes, thin net, the bane of my existence.  I once thought I was rid of
that
> stuff 10 years ago when the last of our VAX-hosted CAD terminals were
> hauled off; silly me.  It also was the source of most of the
> network-related problems I had with Honeywell TDC, though they had decent

> tools to figure out where the problem was.  I was nonplussed to see it on

> the CP60s.  But Foxboro is nothing if not retro ;-)
>
Well I had just rewired all teh networkingin my house to get out of the
thin net biz, when our first Foxboro CP with thin net showed up.

I agve teh filed service types unmitigated grief about genuine best 1970's
technology. Needless to say none of my OE guys have a clue about
connecteres, tees. termiantors etc in thsi context :-(

--
U.S. Encouraged by Vietnam Vote - Officials Cite 83% Turnout Despite
Vietcong Terror
- New York Times 9/3/1967


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