Three I Engineering can develop programs for programmable controllers. We can provide programs only or programs, input/output drawings, wiring layout drawings, sequence of operation and start-up services if desired. Programmable controllers are replacing relay logic as the basic control of equipment and processes. Three I Engineering can provide services to replace existing relay logic or to install new control systems.

Cooling Tower Water Temperature Control
General Electric Plastics
Mt. Vernon, Indiana
Three I Engineering provided the program for a programmable controller to control the temperature of the cooling water from a cooling tower by changing the speeds of various fans on the tower.