We were asked to develop a control system to automate the sequencing of fifteen carbon filters and purifiers in a 12 million gallon per day water plant. Our customer’s outdated control system was unreliable. Their end user was experiencing quality issues and was losing confidence in our customer’s capabilities.

The Solution

McEnery Automation’s engineers developed the complete control system, providing electrical schematics, programming, training and startup support. The system was designed using an Allen-Bradley PLC 5 and Panelview operator interface. Regeneration activity was logged and filters and purifiers automatically rotated off line for regeneration and then back on line. Control devices were added to provide feedback and ensure proper operation.

The Results

The system provided a cost savings to the client by extending the life of the carbon in the filters due to optimizing cycle times. Product quality was increased by assuring that the filters were being regenerated properly and at the proper frequency. Process data reports available to the end user increased their confidence in our customer’s quality.

 
©2001 McEnery Automation