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From: firstname.lastname@example.org (bob peterson)
Subject: Re: Avoiding PLCs
Date: 16 Oct 2002 08:26:40 -0700
References: <email@example.com> <firstname.lastname@example.org>
NNTP-Posting-Date: 16 Oct 2002 15:26:41 GMT
The real issue is what the end user wants and is willing to accept,
not what the vender wants to supply.
Venders who try to convince end users to accept something non-standard
are unlikely to get much of a hearing, and are almost always doomed
when it comes to getting an order.
Do yourself a favor and give them what they want, or they will go
"Rufus V. Smith" wrote in message news:<email@example.com>...
> "Reed Blake" wrote in message news:firstname.lastname@example.org...
> > "JohnS" wrote in message
> > news:...
> > > We have run into a problem, hope someone here can make a helpful
> > > suggestion! We have a digital control system which is fairly easily built
> > > using a plc. (Lots of interlock logic, timers, 4/20 mA circuits, 4 line
> > > display, etc) Unfortunately every customer then seems to insist that we
> > > build using the make of controller already in use by them. In order to
> > > this I am looking for modular electronic systems that we can program in C
> > > whatever so we can avoid using a PLC, but still have the flexibility to
> > > I/O etc as required.
> > Check out the ICL-4300 from Industrial Control Links. I haven't used it, but
> > researched it for a project a few years ago.
> > http://www.iclinks.com/Products/IntelligentRtu/IntelligentRtu.html
> > You could also use a National Instruments FieldPoint system, with one of
> > their intelligent controllers.
> > http://www.ni.com
> If you want to go SBC (single board computer) you can check out:
> Which is an attempt to create an Open Source PLC-Like system to
> run on Linux.
> One interesting commercial system (which may be overkill):
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