Unfortunately, Invensys is not the only one on the Microsoft bandwagon.
Honeywell, Emerson (Fisher), and the rest of the control system vendors are
all being led down the primrose path to Redmond. This should scare us all,
given the blue screens of death that I have witnessed on Windows products.
Its one thing on my desktop where I'm doing spreadsheets and e-mail, but
quite another thing for mission critical process control. Our Unix boxes
can run months or even years without a reboot (of course you have to figure
in software upgrades from Invensys that require a reboot) but I've never
seen a Microsoft operating system be able to claim that type of
reliability. Well, maybe old MS-DOS at the C:\ prompt....
Stan Ruth
Corey R Clingo
<[EMAIL PROTECTED]> To: Foxboro DCS Mail List
<[EMAIL PROTECTED]>
Sent by: cc:
<[EMAIL PROTECTED] Subject: RE: PLC Question
oject.org>
09/17/2001 09:57 AM
Please respond to "Foxboro
DCS Mail List"
Is it just me, or is this ridiculous? Does their documentation say "writes
don't work well", "this is a read-only device", "good write performance is
option # xxx-yyyyyyy, call your account manager for details", or something?
Was
your product a beta version, and did you get a concomitant discount
(preferably
free)?
This is about the third time I've heard or dealt with a Foxboro product
that
wasn't ready for prime time. One of these flaws (CP40B) have taken over a
year
to fix. Does Foxboro test anything before it goes out? I've only been
dealing
with I/A for about 10 months, and I like a lot of what it has to offer, but
this
kind of thing makes me nervous, not only about my system, but about the
company
in general. And now they want to migrate everything to a new
Micro$oft-based
marketecture - one which has been in development for 3 years and is still,
apparently, vapor. (Oh, Microsoft - there's another outfit with a stellar
reputation for quality control).
I will say this: if I were bidding a system on a grass-roots plant,
Invensys
wouldn't even get a call. It's no wonder they are entertaining buyout
offers...
Corey Clingo
Sr. Engineer
BASF Corporation
After some serious heart-to-heart w/ Foxboro tech personnel, they
admitted that the writes never worked properly for them either and
they had no fixes for it.
I do not know if the problem has been fixed since then.
Mike Adams
[EMAIL PROTECTED]
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