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Forum index » Science and Technology » Engineering » Control
DCS example
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Setanta11
science forum beginner


Joined: 17 Nov 2005
Posts: 45

PostPosted: Thu Jun 29, 2006 2:35 pm    Post subject: Re: DCS example Reply with quote

"behzad" <behzadbayat@gmail.com> wrote in message
news:1151319612.447105.314700@m73g2000cwd.googlegroups.com...
Quote:
hi every body
I'm an student of automation and instrumentation engineering, in MSC,
in a project for dcs i need a sample dcs diagram of a plant with
description and pictures to presenet as a project that acan be done or
has done,
if any can help me to overcome this, I'll be so pleased,
thanks alot,
behzad



Use YOUR head

It would be nice if someone else did the work for you -- no?

If you cannot rationalise where and how to find this information -- you
shouldn't be doing a MSc in anything apart from in being a lazy bastard


Setanta
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Jerry Avins
science forum Guru


Joined: 03 May 2005
Posts: 534

PostPosted: Wed Jun 28, 2006 3:01 pm    Post subject: Re: DCS example Reply with quote

Fulliautomatix wrote:
Quote:
Jerry Avins wrote:

I understand your frustration, but having nothing to contribute, I
didn't respond. Maybe you can enlighten me. What do MSC and dcs mean?

Jerry

Master of Science

Ah! MSc.

Quote:
Distributed control system

I know the paradigm. There was not enough context to lead me to the
acronym. Thanks.

Jerry
--
Engineering is the art of making what you want from things you can get.
ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
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fulliautomatix
science forum beginner


Joined: 01 May 2005
Posts: 34

PostPosted: Wed Jun 28, 2006 1:08 pm    Post subject: Re: DCS example Reply with quote

Jerry Avins wrote:

Quote:
I understand your frustration, but having nothing to contribute, I
didn't respond. Maybe you can enlighten me. What do MSC and dcs mean?

Jerry

Master of Science

Distributed control system

DCS can occur in a single machine...say direct PLC control of heaters
via PID loops with setpoint instructions to motor/servo drives

The individual motor/servo drives are relied on to control speed via
tacho feedback - thus 'distributed' control

Communications may occur between components of a machine, or between
several machines, the important point being that seperate control
systems are doing the communicating

As far as diagrams - I too have nothing to contribute...I'd have to make
one up...and I would think a Masters student should have more time to do
that than I
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Francis
science forum beginner


Joined: 17 May 2005
Posts: 28

PostPosted: Tue Jun 27, 2006 3:20 pm    Post subject: Re: DCS example Reply with quote

Here is a PDF of a Milkshake plant - note ot contains much more than the a
P&ID
http://www.controldraw.co.uk/presentations/Milkshake.pdf
You can download a couple of simple P&ID's here, they are DWG Autocad files
(9 years old)
Milkshake plant P&ID
http://www.controldraw.co.uk/ForumWorkingGroup/pid/ebfdr001.zip
Organic Chemical Pharma plant P&ID
http://www.controldraw.co.uk/ForumWorkingGroup/pid/ebfdr002.zip

Both these plants are mythical they were invented for testing some ideas

You could also download ControlDraw - this includes several models of
plants.
http://www.controldraw.co.uk

Francis

"behzad" <behzadbayat@gmail.com> wrote in message
news:1151319612.447105.314700@m73g2000cwd.googlegroups.com...
Quote:
hi every body
I'm an student of automation and instrumentation engineering, in MSC,
in a project for dcs i need a sample dcs diagram of a plant with
description and pictures to presenet as a project that acan be done or
has done,
if any can help me to overcome this, I'll be so pleased,
thanks alot,
behzad
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Jerry Avins
science forum Guru


Joined: 03 May 2005
Posts: 534

PostPosted: Tue Jun 27, 2006 1:04 pm    Post subject: Re: DCS example Reply with quote

behzad wrote:
Quote:
behzad wrote:
hi every body
I'm an student of automation and instrumentation engineering, in MSC,
in a project for dcs i need a sample dcs diagram of a plant with
description and pictures to presenet as a project that acan be done or
has done,
if any can help me to overcome this, I'll be so pleased,
thanks alot,
behzad

dont anybody want to help me, is it so difficult or you dont want to
help, at least reply to this message,

I understand your frustration, but having nothing to contribute, I
didn't respond. Maybe you can enlighten me. What do MSC and dcs mean?

Jerry
--
Engineering is the art of making what you want from things you can get.
ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
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behzad
science forum beginner


Joined: 26 Jun 2006
Posts: 2

PostPosted: Tue Jun 27, 2006 9:08 am    Post subject: Re: DCS example Reply with quote

behzad wrote:
Quote:
hi every body
I'm an student of automation and instrumentation engineering, in MSC,
in a project for dcs i need a sample dcs diagram of a plant with
description and pictures to presenet as a project that acan be done or
has done,
if any can help me to overcome this, I'll be so pleased,
thanks alot,
behzad

dont anybody want to help me, is it so difficult or you dont want to
help, at least reply to this message,
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behzad
science forum beginner


Joined: 26 Jun 2006
Posts: 2

PostPosted: Mon Jun 26, 2006 11:00 am    Post subject: DCS example Reply with quote

hi every body
I'm an student of automation and instrumentation engineering, in MSC,
in a project for dcs i need a sample dcs diagram of a plant with
description and pictures to presenet as a project that acan be done or
has done,
if any can help me to overcome this, I'll be so pleased,
thanks alot,
behzad
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