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cajetan259
Active Contributor

Join Date: Jul 2009
Location: india
Posts: 15

Simple Pump Start Stop Logic

07/27/2013 11:47 AM

I would like to know the simple logic for pump start stop which has a level transmitter in a tank in brief and with logic drawing in gas industry.

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lyn
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Join Date: Oct 2008
Posts: 42355
Good Answers: 1693
#1

Re: simple pump start stop logic

07/27/2013 11:52 AM

For once in your life, do your own homework.

Here's a start:

Drum Boiler Feedwater Controls - ISA

Pid diagram of drum level control - free eBooks download

Did you ever figure this out? →"whts the principle for vibration .wht r the types and wht r the units"

From: vibrations
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
Posts: 21017
Good Answers: 795
#2

Re: Simple Pump Start Stop Logic

07/28/2013 1:27 PM

If transmitter reads below value 1, start pump.
If transmitter reads above value 2, stop pump.

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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#3

Re: Simple Pump Start Stop Logic

07/29/2013 3:14 AM

Just follow whatever it says in the Control Philosphy document written by the Process Engineer.

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