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Anonymous Poster

control sequence logic diagram

05/30/2009 5:34 AM

Can any one guide how to read and understand control sequence logic diagram.

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United States - Member - US Citizen - Born & Raised Engineering Fields - Control Engineering - HVAC/R Simplified Using PLC Controls Engineering Fields - Instrumentation Engineering - HVAC/R Simplified Using PLC Controls Engineering Fields - Energy Engineering - HVAC/R Simplified Using PLC Controls

Join Date: Mar 2007
Location: Brick, NJ (USA)
Posts: 110
Good Answers: 5
#1

Re: control sequence logic diagram

06/06/2009 8:58 AM

There are many control companies, each with their own control language. I know six different control languages myself (Carrier CCN, Honeywell Excel, Andover, Siemens-L&G PPCL, Circon & AVG/EZAutomation Ladder Logic).

They all will perform the same sequence of operation if written correctly. If your question is how to interpret a language, please post an example and we will explain what the driven process is and how they are accomplishing that sequence. If you need direction in how to write a control sequence, then be specific in what your process is and the desired result.

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