LogicPLUS S is the next important advancement in irrigation technology. This evolution represents a significant step forward in providing an easy to install, easy to use and remarkably easy to maintain Two-Wire Control System. We’ve painstakingly incorporated dozens of commonly reported needs and desires that have been expressed by professionals in the field. They’ve asked for a new generation of controllers and we’re delivering them. They are the new LogicPLUS System S, 42 and 128 Controllers.