APPA Library

"Taking Back Control. . .Using Programmable Logic Controllers (PLCs)"
Author: Hafar, Linda, P.E., CEM, and Daniel A. Leon, P.E.
Published In: Facilities Manager
Date: January/February 2006

Reports on the decision by California State University, Sacramento to switch to programmable logic controller (PLC) technology for HVAC control, lighting control, domestic booster pump monitoring, electric substation moniotring, and sewer flow monitoring. Describes why the university made this decision and the challenges faced in making this switch, including compatability issues, costs, resources, and timing. Includes diagrams.

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