Dupline Hi-Line Irrigation Control Jens Neigaard1

Dupline Hi-Line Irrigation Control Jens Neigaard2 Agriculture Golf Courses Parks, Green Areas Gardening, Green Houses Use of Irrigation Systems

Dupline Hi-Line Irrigation Control Jens Neigaard3 CENTRAL CONTROL Irrigation Controller VALVE Irrigation Controller Irrigation Controller

Dupline Hi-Line Irrigation Control Jens Neigaard4 Reduce Irrigation Controller wiring cost and thereby- Make individual valve control cost-effective Increase Flexibility More signals (flow, tamper switch) Hi-line 2-wire com/power bus for valve control

Dupline Hi-Line Irrigation Control Jens Neigaard5 At the central location Any Dupline Interface Master Module Master Generator Gateway GTI50 Dupline to Hi-Line Booster GH Boosts the Dupline voltage to 28 VDC Connects to any Channel Generator Power and communication for the valves (open valve / close valve)

Dupline Hi-Line Irrigation Control Jens Neigaard6 Valve I/O-module GH Control of 3-wire latching valves (12 VDC) 2 x ”Rising Edge” triggered Outputs (open valve / close valve) Built-in capacitor for energy storage to fire valve Built-in valve power monitoring 2 x Contact Inputs ”IP68” for underground installation All power from ”Hi-line” Built-in lightning protection Coding via GAP1605 (small connector) Also available in H4 housing (G ) At the valve locations

Dupline Hi-Line Irrigation Control Jens Neigaard7 At the valve locations Test Unit GHTU8 Operates on Hi-Line Monitor and control valve operations Power from ”Hi-line”

Dupline Hi-Line Irrigation Control Jens Neigaard8 Cable Specification Min cross-section: 1.5 mm 2 Shield not required Twist not required Free topology Min. 10 s between two valve operations Distance and number of valves Max 64 valves on one line Up to 7 km distance System Characteristics

Dupline Hi-Line Irrigation Control Jens Neigaard9 1 km2 km3 km4 km5 km6 km7 km 1.5 mm mm VDC Latching Valves Number of valves vs. distance and cable