Dupline(R) Hi-Line Booster Module for Valve Control Type GH34850000 Du line (R) Fieldbus Installationbus * Generates 28 V Hi-Line signal * Supplies and controls up to 64 valve I/O modules over two wires * Up to 7 km transmission distance * Built-in Gas-arrestor for lightning protection * H4 housing * LED-indications for Dupline carrier, Hi-Line carrier and supply * DC power supplied Ordering Key Product Description GH34850000724 is a converter module for the Dupline(R) irrigation control concept. It converts a standard Dupline(R) signal to a 28V "Hi-Line" signal, which can be used to supply and control up to 64 Valve I/O modules. GH34850000724 can be used with any type of Dupline(R) channel generator, including Modbus interfaces and dedicated interfaces for most PLC brands. The two-wire Hi-Line cable can be up to 7 km long. Type: Dupline H4-Housing DC supply GH34850000724 (R) Type Selection Supply type Ordering no. 20-30 VDC GH34850000724 Input/Output Specifications General Specifications Inputs Terminals 24(+) & 25(-) Current consumption Max. distance between channel generator and GH34850000 Outputs Terminals 27(+) & 28(-) Short-circuit protection Overload protection Max. bus load Power ON delay Dupline(R) Bus 2 mA Indication for Dupline(R) carrier in Hi-Line carrier out 50 m Supply Environment Hi-Line Bus Degree of protection Yes Pollution degree Yes Operating temperature 64 Valve modules Storage temperature (GH64404412 or GH34404412) Humidity (non-condensing) Dimensions Supply Specifications Material Supply Supply must be galvanically Mechanical resistance Shock isolated from mains and PE, Vibration and only connected to the Dupline(R) channel generator Weight and the Dupline(R) booster module. Rated operational voltage through term. 21(+) & 22(-) 20 to 30 VDC (ripple included) Ripple 3V Reverse polarity protection Yes Rated operational current 300 mA Transient protection voltage 800 V Dielectric voltage None Supply - Dupline(R) Supply - Hi-Line None Specifications are subject to change without notice (05.04.2006) Dupline(R) is a registered trademark. A product of the CARLO GAVAZZI Group max. 120 sec. (with 64 modules connected) LED, yellow LED, yellow LED, green IP20 B 3 (IEC 60664) 0 to +50C (+32 to +122F) -20 to +85C (-4 to +185F) 20 to 80% H4- housing Noryl SE1, Grey 15 G (11 ms) 2 G (6 to 55 Hz) 200 g 1 Du line GH34850000 (R) Fieldbus Installationbus Mode of Operation The purpose of the Dupline Irrigation Bus System is to reduce the cost of the wiring in irrigation systems. By connecting the Irrigation Controller with all the valves in the field via a 2-wire bus, a much simpler and more flexible solution is achieved compared to the traditional multicore cable with a hot-wire for each valve. The bus system Irrigation Controller RS232/ RS485 enables the Irrigation Controller to control each individual valve (open/closed) and it also carries the power required to operate the valves, which must be 3-wire 12 VDC latching types. It is also possible to send information from the field to the Irrigation Controller, e.g. pulses from a flow meter. Each valve must be connected to a Dupline Master Module Dupline bus I/O-module with 2 digital outputs (open, close) and 2 digital inputs. The interface between the Irrigation Controller and the Dupline Master Module is achieved via serial communication (RS232 or RS485) between the two devices. The GH34850000724 booster module increases the voltage Dupline Booster I/O-module I/O-module Valve + Flow meter Valve + Flow meter I/O-module I/O-module Valve + Flow meter Valve + Flow meter level of the standard Dupline signal to 28 VDC in order to achieve sufficient voltage level to operate the valves. The diagram below shows the topology of the system. Hi-line I/O-module I/O-module Valve + Flow meter Valve + Flow meter I/O-module Valve + Flow meter 2 Specifications are subject to change without notice (05.04.2006) Dupline(R) is a registered trademark. A product of the CARLO GAVAZZI Group Du line (R) GH34850000 Fieldbus Installationbus System Characteristics when the average distance between the valves and the Hi-Line Booster is below 0.75 of the distance between the Hi-line Booster and the farthest valve. There must be min. 10 s between two valve operations on the line. Cable requirements Min. cable cross-section 1.5 mm2 Shield not required Twist not required Free topology Distance and number of valves Max. 64 valves on one line (128 outputs, 128 inputs) Up to 7 km communication distance The table below shows the max. number of valves on one line as a function of distance and cross-section of the cable. The "shaded" cells are always valid. The unshaded cells are based on a uniform distribution of the valves and are hence valid 12 VDC latching valve 1 km 2 km 3 km 4 km 5 km 6 km 7 km 1.5 sq.mm 64 64 64 64 64 54 44 2.5 sq.mm 64 64 64 64 64 64 64 Loss of bus signal If the valve I/O-module looses the bus signal, it will automatically close the valve. Dimensions (mm) Wiring Diagram H4-housing 1 2 3 4 5 6 7 8 + - + - + - 21 22 23 24 25 26 27 28 20 - 30 V DUP COM BUS+BUS Supply Hi-Line Dupline Input Output Input Specifications are subject to change without notice (05.04.2006) Dupline(R) is a registered trademark. A product of the CARLO GAVAZZI Group 3