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Remote Monitoring and Control - Wireless Irrigation Control

Alternative for Wireless Irrigation Control

QTech Data Systems Ltd have recently had some success in replacing a wireless irrigation system in Horticulture in Gisborne.
The existing controller was paired with a wireless base unit and wireless RTU network that was not easy to locally configure and maintain. QTech supplied an alternative wireless network to the exiting Base unit and distributed RTU’s for a more robust user friendly solution.

QTech’s solution consisted of:

A Base Unit of:

Two Multipoint Controllers interfacing to a Third Party Irrigation Controller and four Remote Stations.

Two 3dB Whip Antenna - A robust quarter wave omni-directional whip for shorter range applications of all QTech 900MHz products.

Two Plug Pack - 230V AC input - a 13.8V DC output on 2.1mm DC jack for the Multipoint Controllers.

Four Remote Stations each consisting of:

A Remote Solar Station RSS01 - Environmentally protected solar power supply and integral whip antenna for a slave Digital Wireless Point to Point Low Power radio module and a custom-made Solenoid Pulse Interface Module.

The existing system consisted of a Controller/Host + Base unit and four RTU’s as per the diagram below.

Existing Irrigation Control System Horticultre Gisborne

Qtech’s Hybrid System:  Existing Controller + QTech Solar/Multipoint Controller and Slave Modules.
As part of this solution a Solenoid Pulse Controller was designed and built. 
The Solenoid Pulse Controller circuit ensures the correct amount of Energy is applied to the latched DMAG valves used in this application. 
Application example

Recent Site Photo of Qtech’s Solar Wireless Solenoid Pulse Relay Solution:
Wireless Solenoid Pulse Relay Solution

Note: depending on your situation, you may also need some of the following products. Contact our Sales team to discuss your particular circumstances if you would like assistance.
900MHz 6dB 4 Element Yagi Antenna - 5m coax, high gain aerial with SMA connector and pipe clamp.

Digital Wireless Point to Point Low Power Radio System - a pair of 900MHz radios with stub antennas.

Add a Wireless Point to Point (WP2P) Repeater Module and the appropriate antenna if your situation is not line of sight.


Contact Us

12 Midas Place, Christchurch 8024, New Zealand. Phone  +64 (0)3 366 3713
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