Environmental Control System

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Doing preliminary research for replacing a pneumatic control system with an electric actuation system. Does anyone have information on use of digital controllers to control a very large facility with tight environmental control of critical electronic equipment. The pneumatic control valves will be replaced with an electrical interface to the digital controller. I am an electrical engineer with Northrupp Grumman. Thank you in advance.

-- Carlos Martinez (carlos.martinez@siinet.trw.com), January 31, 2003


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-- sinam gazi (sinam_1983_ir@yahoo.com), April 28, 2003.

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-- Mohamed Fahim (cmmfahim@yahoo.com), October 13, 2004.

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