Low cost radio solutions

December 2008 Data Acquisition & Telemetry

VA Solutions designs and manufactures low-cost radio, SMS communicators and GPRS data loggers. The Wizlink range of products has been designed to monitor, alarm, log and control process inputs and outputs of remote field devices.

Radio telemetry

Wizlink low-cost radio modules are available with three digital and three analog inputs/outputs. Signal ranges are available in 1 km and 10 km packages. They are perfectly suited for basic communication applications where unnecessary functionality and features are needed.

SMS alarming

Alarms can be transmitted via SMS or e-mail to multiple recipients. The module can be programmed to transmit immediately in the event of a programmable analog threshold been reached or contact closure. It is also possible to send a SMS to the module which will reply to the sender’s cellphone with the current status of the inputs. Solid state outputs are available to switch external relays. Outputs can also be switched by sending the module a simple SMS command.

Data-logging

Wizlink modules are available with complete data logging features. Data is captured and transmitted to a dedicated website where customers would log on with their secure username and password. Data can be viewed in trend and tabular formats which can be downloaded for further manipulation. All SMS features are available with these models. GPRS technology allows for large amounts of data to be transferred at high speeds and at cost effective rates. The battery-powered modules are suitable for remote sites where no mains power is available. Solar panels can also be connected to the modules should it be necessary.

For more information contact Warren von Albach, VA Solutions, +27 (0)31 701 7411, [email protected], www.vasolutions.co.za

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