Main features - Extremely user friendly - Reduced installation time - Easy to expand or change an installation - Flexible interfacing to irrigation controllers Applications The Dupline irrigation bus reduces installation costs and increases flexibility in agricultural irrigation systems, where the valves are usually distributed over a large area. Any type of Irrigation Controller, whether it is a PLC, PC or Dedicated Controller, can use Dupline as a remote IO system. The module is available in a housing that allows underground installation, and in a DIN-rail mount housing. The wiring topology is completely free with no limitation in number and length of branches. One Hi-Line network can handle up to 64 valves over distances up to 7km, and several networks can be linked together.