Re: [foxboro] Installing Foxboro IADay0 Ethernet / problem with Dell P4

It is my sincere hope that Foxboro have enough sense to keep Unix going in
the long term....IA is a control system so performance/reliability/security
have to be the central issues....connectivity to the outside world is at
best a side issue.....unfortunately, the outside world connections seem to
be driving all DCS suppliers so we get one IT solution after another fixing
problems which should not even exist.

Many of the so-called "needs" for information are just "wants" from people
who do not have any long term concern about the process control system...but
they seem to be getting the "air-time". Of course Windoze seems to be the
"cheaper" way to go from a capital expenditure point of view...but you
really have to wonder in the long run????

What we have done on site is to allow only a Modbus connection to the
outside world...a serial link.....information is supplied on measurement and
control at a once per minute frequency in spite of protestations from the
casual users of the information. In fact, because the process is under
control and is actually fairly slow, the information is more than enough to
meet everyone's "needs". The information goes to PI and then on to many
other applications but the window to IA is one-way.  In fact, when "blaster"
and "slammer" showed up, the only system that was not "pinged" was the IA
system....there was trouble with every other computer system on site.

Rod Corbett
Process Control
SEPH

-----Original Message-----
From: Stan Ruth [mailto:Stan_Ruth@xxxxxxxxxxxx] 
Sent: Friday, March 26, 2004 8:19 AM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Installing Foxboro IADay0 Ethernet / problem with
Dell P4





I agree - both QNX and Linux should have been pursued before the Windoze
marketing ploy.  Now Foxboro has the problem of melding two dissimilar
operating systems in one control network, as well as providing technical
support for both.  In the long run, which operating system do you think
will get the most support from Foxboro?


Stan Ruth
Process Control Engineer
Huntsman


 

                      "Corey R Clingo"

                      <clingoc@basf-cor        To:
foxboro@xxxxxxxxxxxxx

                      p.com>                   cc:

                      Sent by:                 Subject:  Re: [foxboro]
Installing Foxboro IADay0 Ethernet /  problem with        Dell  
                      foxboro-bounce@fr         P4

                      eelists.org

 

 

                      03/25/2004 04:03

                      PM

                      Please respond to

                      foxboro

 

 





Oh, they definitely had better options (IMHO) than Windoze -- maybe even
better than Solaris.  For an example, go check out QNX -- used in
everything ftom ATMs to cars to hospital life-support equipment.  And it
was real-time on an 8088, back in the day...
Corey Clingo
BASF Corp.






"Schouten, Frits JF" <Frits.Schouten@xxxxxxxxxxxxxxxxxx>
Sent by: foxboro-bounce@xxxxxxxxxxxxx
03/25/2004 02:19 PM
Please respond to foxboro

              To:  "'foxboro@xxxxxxxxxxxxx'"
              cc:
         Subject:       Re: [foxboro] Installing Foxboro IADay0 Ethernet /
problem with Dell P4






Hello list.
Might this explain why people that have established Foxboro systems are
somewhat reluctant to include a (cheap?) Microsoft based OS in their
control
environment? In the end you get what you pay for.

I believe that Foxboro, in an attempt not get a share of the bottom end of
the market, went in bed with Microsoft.
Reading the list messages, that was not such a good idea.

They would have been better off porting Foxboro I/A to Linux.
Imagine a ROM(flash memory) based Linux box that you turn on and goes.
Well
there's an idea.

Cheers,
Frits.











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_______________________________________________________________________
This mailing list is neither sponsored nor endorsed by Invensys Process
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